This document presents a technique for detecting malignancy in digital mammograms using morphological operations. The proposed method involves noise removal using Gaussian filtering, image enhancement, removing background information through thresholding and morphological operations, performing image subtraction on the segmented image and converted RGB image to obtain tumors, and applying erosion to reduce small scale details and region sizes. The method was tested on images from a cancer hospital and implemented in Matlab. Experimental results show the technique can effectively preprocess images and segment regions to identify malignant data for assessment. Future work may focus on improving edge detection, segmentation algorithms, and producing more accurate cancer detection results.
DETERMINATION OF BREAST CANCER AREA FROM MAMMOGRAPHY IMAGES USING THRESHOLDIN...AM Publications
Calculation of breast cancer areaby an image analysis on mammography using thresholding method has been done.The mammography images ware taken from three sides of projection which include oblique (mlo), lateral (ml) and cranial caudal (cc).The results achieved were expected to facilitate in calculating the area of breast cancer for the next stage examination.The thresholding method used was based on the pixel separation in different classes, depending on each grey levels of pixel.The area calculation has been performed by summing the number of pixels that build up the object in the image.The calculation results of the object’s wide obtained from three sides, i.e. mlo, ml, and cc, are 4.49 cm2, 3.03 cm2, and2.58 cm2, respectively.These values indicate that the image processing techniques developed can be implemented to calculate the area of breast cancer.
Image processing techniques play a significant role in many areas in life, especially
in medical images, where they play a prominent role in diagnosing many diseases such
as detection of the brain tumor, breast cancer, kidney cancer, and the fractions.
Breast cancer is a common disease, regardless of the type of this disease, whether
it is benign or malignant, it is very dangerous and early detection may reduce the risk
of the disease spreading in the body leading to death. This work presents an approach
to detect breast cancer based on image processing algorithms, including image
preprocessing, enhancement, segmentation, Morphological operations, and feature
extraction to detect and extract the breast cancer region
In recent days, skin cancer is seen as one of the most Hazardous form of the cancer found in Humans. Skin Cancer is a malignant tumor that grows in the skin cells. It can be affected mostly by the reason of skin burn caused by sunlight. Early detection and treatment of Skin cancer can significantly improve patient outcome. Automatic detection is one of the most challenging research areas that can be used for early detection of such vital cancer. A person’s in which they have inadequate amount of melanoma will be exposed to the risk of sun burns and the ultra violet rays from the sun will be affected that body. Malignant melanomas is a type of melanoma that has irregular borders, color variations so analyze the shape, color and texture of the skin lesion is important for the early detection. It can have the components of an automated image analysis module, which contains image acquisition, hair detection and exclusion, lesion segmentation, feature extraction and finally classification. Finally the result show that the system is efficient achieving classification of the lesion as either melanoma or Non melanoma causes.
DETERMINATION OF BREAST CANCER AREA FROM MAMMOGRAPHY IMAGES USING THRESHOLDIN...AM Publications
Calculation of breast cancer areaby an image analysis on mammography using thresholding method has been done.The mammography images ware taken from three sides of projection which include oblique (mlo), lateral (ml) and cranial caudal (cc).The results achieved were expected to facilitate in calculating the area of breast cancer for the next stage examination.The thresholding method used was based on the pixel separation in different classes, depending on each grey levels of pixel.The area calculation has been performed by summing the number of pixels that build up the object in the image.The calculation results of the object’s wide obtained from three sides, i.e. mlo, ml, and cc, are 4.49 cm2, 3.03 cm2, and2.58 cm2, respectively.These values indicate that the image processing techniques developed can be implemented to calculate the area of breast cancer.
Image processing techniques play a significant role in many areas in life, especially
in medical images, where they play a prominent role in diagnosing many diseases such
as detection of the brain tumor, breast cancer, kidney cancer, and the fractions.
Breast cancer is a common disease, regardless of the type of this disease, whether
it is benign or malignant, it is very dangerous and early detection may reduce the risk
of the disease spreading in the body leading to death. This work presents an approach
to detect breast cancer based on image processing algorithms, including image
preprocessing, enhancement, segmentation, Morphological operations, and feature
extraction to detect and extract the breast cancer region
In recent days, skin cancer is seen as one of the most Hazardous form of the cancer found in Humans. Skin Cancer is a malignant tumor that grows in the skin cells. It can be affected mostly by the reason of skin burn caused by sunlight. Early detection and treatment of Skin cancer can significantly improve patient outcome. Automatic detection is one of the most challenging research areas that can be used for early detection of such vital cancer. A person’s in which they have inadequate amount of melanoma will be exposed to the risk of sun burns and the ultra violet rays from the sun will be affected that body. Malignant melanomas is a type of melanoma that has irregular borders, color variations so analyze the shape, color and texture of the skin lesion is important for the early detection. It can have the components of an automated image analysis module, which contains image acquisition, hair detection and exclusion, lesion segmentation, feature extraction and finally classification. Finally the result show that the system is efficient achieving classification of the lesion as either melanoma or Non melanoma causes.
Skin Cancer Recognition Using SVM Image Processing TechniqueIJBNT Journal
Skin cancer is considered as commonest cause of death among humans in today’s world. This type of cancer shows non uniform or patchy growth of skin cells that most commonly occurs on of the certain parts of body which are more likely exposed to the light, but it can occur anywhere on the body. The majority of skin cancers can be treated if detected early. As a result, finding skin cancer early and easily will save a patient’s life. Early detection of skin cancer at an early stage is now possible thanks to modern technologies. Biopsy procedure [1] is a systematic method for diagnosis skin cancer. It is achieved by extracting skin cells, after which the sample is sent to different laboratories for examination. It’s a very long (in terms of time) and painful process. For primitive detection of skin cancer disease, we proposed a skin cancer detection system based on svm. It is more helpful to patients. Various methods of image processing and the supervised learning algorithm called Support Vector Machine (SVM) are used in the identification process. Epiluminescence microscopy is taken using an image and particular to several pre processing techniques which are used in the reduction of sound artifacts and improvise quality of images. Segmentation is done by using certain thresholding techniques like OTSU. The GLCM technique must be used to remove certain image features. These characteristics are fed into the classifier as input. The Supervised learning model called (SVM) is used to distinguish data sets. It determines whether a picture is cancerous or not.
A Survey on Segmentation Techniques Used For Brain Tumor DetectionEditor IJMTER
In recent years Brain tumor is one of the most commonly found causes for death among
children and adults. Early detection of tumor is a must in order to reduce the death rate. For tumor
detection various image techniques can be used. In this paper we mainly concentrate on the images
obtained from MRI scans. In MRI images, the tumor may appear clearly, but for further treatment
the physician need to be a qualified and well experienced person. In order to help the radiologist in
detection computer-aided diagnosis was developed. The generation of a CAD system consists of
several processes and among them segmentation is considered to the most important process. Image
Segmentation is a process of partitioning an image into multiple segments. The main objective of
segmentation is to represent the image into a simplified form so as to increase the efficiency and
accuracy of the system. Therefore the segmentation of brain tumor can be considered as an important
role in the medical image process. Hence in this paper we concentrate on the recently used
segmentation techniques for the detection of tumor using MRI images.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Comparison of Feature selection methods for diagnosis of cervical cancer usin...IJERA Editor
Even though a great attention has been given on the cervical cancer diagnosis, it is a tuff task to observe the
pap smear slide through microscope. Image Processing and Machine learning techniques helps the pathologist
to take proper decision. In this paper, we presented the diagnosis method using cervical cell image which is
obtained by Pap smear test. Image segmentation performed by multi-thresholding method and texture and shape
features are extracted related to cervical cancer. Feature selection is achieved using Mutual Information(MI),
Sequential Forward Search (SFS), Sequential Floating Forward Search (SFFS) and Random Subset Feature
Selection(RSFS) methods.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
IOSR Journal of Applied Physics (IOSR-JAP) is an open access international journal that provides rapid publication (within a month) of articles in all areas of physics and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in applied physics. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
Skin Cancer Recognition Using SVM Image Processing TechniqueIJBNT Journal
Skin cancer is considered as commonest cause of death among humans in today’s world. This type of cancer shows non uniform or patchy growth of skin cells that most commonly occurs on of the certain parts of body which are more likely exposed to the light, but it can occur anywhere on the body. The majority of skin cancers can be treated if detected early. As a result, finding skin cancer early and easily will save a patient’s life. Early detection of skin cancer at an early stage is now possible thanks to modern technologies. Biopsy procedure [1] is a systematic method for diagnosis skin cancer. It is achieved by extracting skin cells, after which the sample is sent to different laboratories for examination. It’s a very long (in terms of time) and painful process. For primitive detection of skin cancer disease, we proposed a skin cancer detection system based on svm. It is more helpful to patients. Various methods of image processing and the supervised learning algorithm called Support Vector Machine (SVM) are used in the identification process. Epiluminescence microscopy is taken using an image and particular to several pre processing techniques which are used in the reduction of sound artifacts and improvise quality of images. Segmentation is done by using certain thresholding techniques like OTSU. The GLCM technique must be used to remove certain image features. These characteristics are fed into the classifier as input. The Supervised learning model called (SVM) is used to distinguish data sets. It determines whether a picture is cancerous or not.
A Survey on Segmentation Techniques Used For Brain Tumor DetectionEditor IJMTER
In recent years Brain tumor is one of the most commonly found causes for death among
children and adults. Early detection of tumor is a must in order to reduce the death rate. For tumor
detection various image techniques can be used. In this paper we mainly concentrate on the images
obtained from MRI scans. In MRI images, the tumor may appear clearly, but for further treatment
the physician need to be a qualified and well experienced person. In order to help the radiologist in
detection computer-aided diagnosis was developed. The generation of a CAD system consists of
several processes and among them segmentation is considered to the most important process. Image
Segmentation is a process of partitioning an image into multiple segments. The main objective of
segmentation is to represent the image into a simplified form so as to increase the efficiency and
accuracy of the system. Therefore the segmentation of brain tumor can be considered as an important
role in the medical image process. Hence in this paper we concentrate on the recently used
segmentation techniques for the detection of tumor using MRI images.
IJRET : International Journal of Research in Engineering and Technology is an international peer reviewed, online journal published by eSAT Publishing House for the enhancement of research in various disciplines of Engineering and Technology. The aim and scope of the journal is to provide an academic medium and an important reference for the advancement and dissemination of research results that support high-level learning, teaching and research in the fields of Engineering and Technology. We bring together Scientists, Academician, Field Engineers, Scholars and Students of related fields of Engineering and Technology.
Comparison of Feature selection methods for diagnosis of cervical cancer usin...IJERA Editor
Even though a great attention has been given on the cervical cancer diagnosis, it is a tuff task to observe the
pap smear slide through microscope. Image Processing and Machine learning techniques helps the pathologist
to take proper decision. In this paper, we presented the diagnosis method using cervical cell image which is
obtained by Pap smear test. Image segmentation performed by multi-thresholding method and texture and shape
features are extracted related to cervical cancer. Feature selection is achieved using Mutual Information(MI),
Sequential Forward Search (SFS), Sequential Floating Forward Search (SFFS) and Random Subset Feature
Selection(RSFS) methods.
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
International Journal of Engineering Research and Development (IJERD)IJERD Editor
journal publishing, how to publish research paper, Call For research paper, international journal, publishing a paper, IJERD, journal of science and technology, how to get a research paper published, publishing a paper, publishing of journal, publishing of research paper, reserach and review articles, IJERD Journal, How to publish your research paper, publish research paper, open access engineering journal, Engineering journal, Mathemetics journal, Physics journal, Chemistry journal, Computer Engineering, Computer Science journal, how to submit your paper, peer reviw journal, indexed journal, reserach and review articles, engineering journal, www.ijerd.com, research journals,
yahoo journals, bing journals, International Journal of Engineering Research and Development, google journals, hard copy of journal
IOSR Journal of Applied Physics (IOSR-JAP) is an open access international journal that provides rapid publication (within a month) of articles in all areas of physics and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in applied physics. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
IOSR Journal of Applied Chemistry (IOSR-JAC) is an open access international journal that provides rapid publication (within a month) of articles in all areas of applied chemistry and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in Chemical Science. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
IOSR Journal of Electrical and Electronics Engineering(IOSR-JEEE) is an open access international journal that provides rapid publication (within a month) of articles in all areas of electrical and electronics engineering and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in electrical and electronics engineering. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
IOSR Journal of Mathematics(IOSR-JM) is an open access international journal that provides rapid publication (within a month) of articles in all areas of mathemetics and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in mathematics. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
13 червня у пришкільному таборі "Соколята" (на базі ЗОШ № 16 м. Вінниці) було проведено день Енергозбереження від Проекту ЄС/ПРООН "Місцевий розвиток орієнтований на громаду - ІІІ". Біля 200 дітей прийняли участь у цьому заході - вони малювали, дивились мультики, проходили тест - квест та багато чого іншого.
IOSR Journal of Applied Chemistry (IOSR-JAC) is an open access international journal that provides rapid publication (within a month) of articles in all areas of applied chemistry and its applications. The journal welcomes publications of high quality papers on theoretical developments and practical applications in Chemical Science. Original research papers, state-of-the-art reviews, and high quality technical notes are invited for publications.
Breast Tissue Identification in Digital Mammogram Using Edge Detection Techni...IIRindia
Breast tissue identification is the task of finding and identifying breast tissues in digital mammograms. This paper presents a different type of edge detection methods that use digital image processing techniques, which is to detect and identifies the breast tissue from digital mammograms. Basically to identify and detect the tissue here we use two important steps are image enhancement and edge detection. To identify a breast tissue from digital image is a major task in digital image processing.
Breast Tissue Identification in Digital Mammogram Using Edge Detection Techni...IIRindia
Breast tissue identification is the task of finding and identifying breast tissues in digital mammograms. This paper presents a different type of edge detection methods that use digital image processing techniques, which is to detect and identifies the breast tissue from digital mammograms. Basically to identify and detect the tissue here we use two important steps are image enhancement and edge detection. To identify a breast tissue from digital image is a major task in digital image processing.
An Efficient Brain Tumor Detection Algorithm based on Segmentation for MRI Sy...ijtsrd
A collection, or mass, of abnormal cells in the brain is called as Brain Tumor . The skull, which encloses your brain, is very rigid. Growth inside such a restricted space can cause problems. Brain tumors can be malignant or benign. Segmentation in magnetic resonance imaging (MRI) was an emergent research area in the field of medical imaging system. In this an efficient algorithm is proposed for tumor detection based on segmentation and morphological operators. Quality of scanned image is enhanced and then morphological operators are applied to detect the tumor in the scanned image. Merlin Asha. M | G. Naveen Balaji | S. Mythili | A. Karthikeyan | N. Thillaiarasu"An Efficient Brain Tumor Detection Algorithm based on Segmentation for MRI System" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-2 | Issue-2 , February 2018, URL: http://www.ijtsrd.com/papers/ijtsrd9667.pdf http://www.ijtsrd.com/engineering/electronics-and-communication-engineering/9667/an-efficient-brain-tumor-detection-algorithm-based-on-segmentation-for-mri-system/merlin-asha-m
Comparison of Feature selection methods for diagnosis of cervical cancer usin...IJERA Editor
Even though a great attention has been given on the cervical cancer diagnosis, it is a tuff task to observe the
pap smear slide through microscope. Image Processing and Machine learning techniques helps the pathologist
to take proper decision. In this paper, we presented the diagnosis method using cervical cell image which is
obtained by Pap smear test. Image segmentation performed by multi-thresholding method and texture and shape
features are extracted related to cervical cancer. Feature selection is achieved using Mutual Information(MI),
Sequential Forward Search (SFS), Sequential Floating Forward Search (SFFS) and Random Subset Feature
Selection(RSFS) methods
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
https://jst.org.in/index.html
Our journal has dynamic landscape of academia and industry, the pursuit of knowledge extends across multiple domains, creating a tapestry where engineering, management, science, and mathematics converge. Welcome to our international journal, where we embark on a journey through the realms of cutting-edge technologies and innovative marketing strategies.
Computer Aided System for Detection and Classification of Breast CancerIJITCA Journal
Breast cancer is one of the most important causes of death among all type of cancers for grown-up and
older women, mainly in developed countries, and its rate is rising. Since the cause of this disease is not yet
known, early detection is the best way to decrease the breast cancer mortality. At present, early detection of
breast cancer is attained by means of mammography. An intelligent computer-aided diagnosis system can
be very helpful for radiologist in detecting and diagnosing cancerous cell patterns earlier and faster than
typical screening programs. This paper proposes a computer aided system for automatic detection and
classification of breast cancer in mammogram images. Intuitionistic Fuzzy C-Means clustering technique
has been used to identify the suspicious region or the Region of Interest automatically. Then, the feature
data base is designed using histogram features, Gray Level Concurrence wavelet features and wavelet
energy features. Finally, the feature database is submitted to self-adaptive resource allocation network
classifier for classification of mammogram image as normal, benign or malignant. The proposed system is
verified with 322 mammograms from the Mammographic Image Analysis Society Database. The results
show that the proposed system produces better results.
NO1 Uk best vashikaran specialist in delhi vashikaran baba near me online vas...Amil Baba Dawood bangali
Contact with Dawood Bhai Just call on +92322-6382012 and we'll help you. We'll solve all your problems within 12 to 24 hours and with 101% guarantee and with astrology systematic. If you want to take any personal or professional advice then also you can call us on +92322-6382012 , ONLINE LOVE PROBLEM & Other all types of Daily Life Problem's.Then CALL or WHATSAPP us on +92322-6382012 and Get all these problems solutions here by Amil Baba DAWOOD BANGALI
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Hybrid optimization of pumped hydro system and solar- Engr. Abdul-Azeez.pdffxintegritypublishin
Advancements in technology unveil a myriad of electrical and electronic breakthroughs geared towards efficiently harnessing limited resources to meet human energy demands. The optimization of hybrid solar PV panels and pumped hydro energy supply systems plays a pivotal role in utilizing natural resources effectively. This initiative not only benefits humanity but also fosters environmental sustainability. The study investigated the design optimization of these hybrid systems, focusing on understanding solar radiation patterns, identifying geographical influences on solar radiation, formulating a mathematical model for system optimization, and determining the optimal configuration of PV panels and pumped hydro storage. Through a comparative analysis approach and eight weeks of data collection, the study addressed key research questions related to solar radiation patterns and optimal system design. The findings highlighted regions with heightened solar radiation levels, showcasing substantial potential for power generation and emphasizing the system's efficiency. Optimizing system design significantly boosted power generation, promoted renewable energy utilization, and enhanced energy storage capacity. The study underscored the benefits of optimizing hybrid solar PV panels and pumped hydro energy supply systems for sustainable energy usage. Optimizing the design of solar PV panels and pumped hydro energy supply systems as examined across diverse climatic conditions in a developing country, not only enhances power generation but also improves the integration of renewable energy sources and boosts energy storage capacities, particularly beneficial for less economically prosperous regions. Additionally, the study provides valuable insights for advancing energy research in economically viable areas. Recommendations included conducting site-specific assessments, utilizing advanced modeling tools, implementing regular maintenance protocols, and enhancing communication among system components.
Immunizing Image Classifiers Against Localized Adversary Attacksgerogepatton
This paper addresses the vulnerability of deep learning models, particularly convolutional neural networks
(CNN)s, to adversarial attacks and presents a proactive training technique designed to counter them. We
introduce a novel volumization algorithm, which transforms 2D images into 3D volumetric representations.
When combined with 3D convolution and deep curriculum learning optimization (CLO), itsignificantly improves
the immunity of models against localized universal attacks by up to 40%. We evaluate our proposed approach
using contemporary CNN architectures and the modified Canadian Institute for Advanced Research (CIFAR-10
and CIFAR-100) and ImageNet Large Scale Visual Recognition Challenge (ILSVRC12) datasets, showcasing
accuracy improvements over previous techniques. The results indicate that the combination of the volumetric
input and curriculum learning holds significant promise for mitigating adversarial attacks without necessitating
adversary training.
Saudi Arabia stands as a titan in the global energy landscape, renowned for its abundant oil and gas resources. It's the largest exporter of petroleum and holds some of the world's most significant reserves. Let's delve into the top 10 oil and gas projects shaping Saudi Arabia's energy future in 2024.
Sachpazis:Terzaghi Bearing Capacity Estimation in simple terms with Calculati...Dr.Costas Sachpazis
Terzaghi's soil bearing capacity theory, developed by Karl Terzaghi, is a fundamental principle in geotechnical engineering used to determine the bearing capacity of shallow foundations. This theory provides a method to calculate the ultimate bearing capacity of soil, which is the maximum load per unit area that the soil can support without undergoing shear failure. The Calculation HTML Code included.
Student information management system project report ii.pdfKamal Acharya
Our project explains about the student management. This project mainly explains the various actions related to student details. This project shows some ease in adding, editing and deleting the student details. It also provides a less time consuming process for viewing, adding, editing and deleting the marks of the students.
CFD Simulation of By-pass Flow in a HRSG module by R&R Consult.pptxR&R Consult
CFD analysis is incredibly effective at solving mysteries and improving the performance of complex systems!
Here's a great example: At a large natural gas-fired power plant, where they use waste heat to generate steam and energy, they were puzzled that their boiler wasn't producing as much steam as expected.
R&R and Tetra Engineering Group Inc. were asked to solve the issue with reduced steam production.
An inspection had shown that a significant amount of hot flue gas was bypassing the boiler tubes, where the heat was supposed to be transferred.
R&R Consult conducted a CFD analysis, which revealed that 6.3% of the flue gas was bypassing the boiler tubes without transferring heat. The analysis also showed that the flue gas was instead being directed along the sides of the boiler and between the modules that were supposed to capture the heat. This was the cause of the reduced performance.
Based on our results, Tetra Engineering installed covering plates to reduce the bypass flow. This improved the boiler's performance and increased electricity production.
It is always satisfying when we can help solve complex challenges like this. Do your systems also need a check-up or optimization? Give us a call!
Work done in cooperation with James Malloy and David Moelling from Tetra Engineering.
More examples of our work https://www.r-r-consult.dk/en/cases-en/
Hierarchical Digital Twin of a Naval Power SystemKerry Sado
A hierarchical digital twin of a Naval DC power system has been developed and experimentally verified. Similar to other state-of-the-art digital twins, this technology creates a digital replica of the physical system executed in real-time or faster, which can modify hardware controls. However, its advantage stems from distributing computational efforts by utilizing a hierarchical structure composed of lower-level digital twin blocks and a higher-level system digital twin. Each digital twin block is associated with a physical subsystem of the hardware and communicates with a singular system digital twin, which creates a system-level response. By extracting information from each level of the hierarchy, power system controls of the hardware were reconfigured autonomously. This hierarchical digital twin development offers several advantages over other digital twins, particularly in the field of naval power systems. The hierarchical structure allows for greater computational efficiency and scalability while the ability to autonomously reconfigure hardware controls offers increased flexibility and responsiveness. The hierarchical decomposition and models utilized were well aligned with the physical twin, as indicated by the maximum deviations between the developed digital twin hierarchy and the hardware.
Detection of Malignancy in Digital Mammograms from Segmented Breast Region Using Morphological Techniques
1. IOSR Journal of Electrical and Electronics Engineering (IOSR-JEEE)
e-ISSN: 2278-1676,p-ISSN: 2320-3331, Volume 5, Issue 4 (May. - Jun. 2013), PP 09-12
www.iosrjournals.org
www.iosrjournals.org 9 | Page
Detection of Malignancy in Digital Mammograms from
Segmented Breast Region Using Morphological Techniques
Prakash Bethapudi Member IEEE ¹, Dr. E. Srinivasa Reddy , Dr.Madhuri.P ³
1
(Assistant Professor, Computer Science and Engineering, GIT, GITAM UNIVERSITY, INDIA)
2
(Professor, Computer Science and Engineering, ACHARYA NAGARJUNA UNIVERSITY, INDIA)
³ (Consultant Radiologist, Mahatma Gandhi Cancer Hospital, Visakhapatnam, A.P, INDIA)
Abstract : Mammography is an efficient and contemporary option in diagnosing breast cancer among all ages
of women. Nevertheless, the radiologist’s has remarkable influence on revelation of the mammogram. It is a
difficult and challenging task in identifying the masses in the breast region of a digital mammography. The
proposed research intends to develop an image processing algorithm in identifying malignancy by using an
automated segmentation technique for mammogram. The proposed work deals with an approach for extracting
the malignant masses in mammograms for detection of breast cancer. The work proposed is based on the
following procedure: (a)Removing the noise and the background information. (b)Applying thresholding and
retrieving the largest region of interest (ROI). (c)Performing the morphological operations and extracting the
ROI and identifying the malignant mass from the screened images of the breast. This method was tested over
several images of various patients taken from a cancer hospital and implemented using Matlab code. Thus,
capable in executing the pre-processed image effectively and detected the segmentation region and identified
the malignant data for assessment.
Keywords - Malignancy , Mammogram, Morphological, ROI, Segmentation, Thresholding.
I. INTRODUCTION
Breast cancer is the most common form of cancer identified often in most of the women and is the major
cause of women mortality [1]. The Mortality rate can be decreased by increasing the number of cancers being
diagnosed. The mortality rate has been reduced remarkably in the past decade due increase in screening
programs [2]. Detection of breast cancer increase the survival rate whereas delayed diagnosis frequently brazen
out the patient to an unrecoverable stage and hence results in death [3]. Mammography is most efficient, effective
and reliable technique currently being used by most of the radiologist’s to detect breast cancer at various stages.
Computer aided detection and diagnosis are being used by most of the radiologists in detection of breast cancer
[4]. Digital mammography uses the DICOM data which is an image where all details of the patient such as Name,
Age, Gender, Address, Patient-ID, Date, Size(WL,WW) and frame are present on the image and are included in
the object classes. The DICOM formatted images which contains the details of the patient are more important for
the radiologists in performing their diagnosis. The features of masses in mammograms greatly vary in their size
and shapes. Based on these sizes and shapes the type of cancer Benign or Malignant is identified. The present
study is focused on image processing for segmentation of breast and detecting the type of cancer i.e., malignant
based on image Enhancement techniques and few morphological operations performed on the screened images.
This paper is organized as follows. Section II provides some information about mammogram segmentation.
Section III involves the techniques being used in this paper to identify the malignancy in the breast. Section IV
contains the experimental results of the techniques that are described in this paper. And the final section V
consists of conclusion and the further work information.
II. IMAGE SEGMENTATION
Segmentation is an Image Processing technique that is used in classifying the image into various
distinct regions which includes breast border [5], the nipple [6] and the pectoral muscle. Mammographic
segmentation is the process of dividing an image into multiple parts. This is typically used to identify objects or
other relevant information in digital images. A great variety of segmentation methods has been proposed. There
have been various approaches proposed to the task of segmenting the breast profile region in mammograms.
Some of these have focused on using threshold [7], gradients [8], modeling of the non-breast region of a
mammogram using a polynomial or active contours [9]. The following are few categories from available
techniques.
Threshold based segmentation: Here Histogram thresholding and slicing techniques are used to segment
the image. They may be applied directly to an image, but can also be combined with pre- and post-processing
techniques.
2. Detection of Malignancy in Digital Mammograms from Segmented Breast Region Using
Morphological Techniques
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• Edge based segmentation: With this technique, detected edges in an image are assumed to represent object
boundaries, and are used to identify these objects.
• Region based segmentation: An edge based technique may attempt to find the object boundaries and then
locate the object itself by filling them in, But a region based technique takes the opposite approach, by (e.g.)
starting in the middle of an object and then “growing” outward until it meets the object boundaries.
• Clustering techniques: Although clustering is sometimes used as a synonym for (agglomerative)
segmentation techniques, we use it here to denote techniques that are primarily used in exploratory data analysis
of high-dimensional measurement patterns. In this context, clustering methods attempt to group together patterns
that are similar in some sense. This goal is very similar to what we are attempting to do when we segment an
image, and indeed some clustering techniques can readily be applied for image segmentation.
• Matching: When we know what an object we wish to identify in an image (approximately) looks like, we
can use this knowledge to locate the object in an image. This approach to segmentation is called matching.
The image segmentation technique that is used in this paper is Threshold based image segmentation.
Thresholding is probably the most frequently used technique to segment an image. The thresholding operation is
a grey value remapping operation g defined by:
0 if v < t
g(v) =
1 if v ≥ t
Where v represents a grey value and t is the threshold value. Thresholding maps a grey-valued image to a binary
image. After the thresholding operation, the image has been segmented into two segments, identified by the pixel
values 0 and 1 respectively. Before starting the actual process, first convert the DICOM imageFig.1 (a) to “.jpg”
image Fig.1 (b). Remove the details such as name, age, gender, address, size, frame etc,. Those are available on
the screened image Fig.1 (a) and then start implementation on the image Fig.1 (b).
(a) (b)
Fig1. Converting DICOM image (a) to .jpg image (b) by removing all the details that are available on the image
III. TECHNIQUES USED
Noise Removal
Majority of acquired mammogram images consisting of noise which are visible and invisible are
filtered by using Gaussian Filtering approach. Gaussian filters are a class of linear smoothing filters with the
weights chosen according to the shape of a Gaussian function. The Gaussian smoothing filter is a very good
filter for removing noise drawn from a normal distribution! Gaussian functions have five properties that make
them particularly useful in early vision processing. These properties indicate that the Gaussian smoothing filters
are effective low-pass filters from the perspective of both the spatial and frequency domains, are efficient to
implement, and can be used effectively in practical vision applications.
Image Enhancement
Image enhancement is the process of adjusting digital images so that the results are more suitable for display
or further analysis. We remove noise or brighten an image, making it easier to identify key features. During
image acquisition such as scanner-induced artifacts, excessive background noise, scratches and dust artifacts
could influence the reliability of this algorithm. The mammogram presented in Fig.2 (a) has a highly non-uniform
background and very little contrast in the area above the core breast tissue region. So image enhancement is
required before segmentation and brightness is added to the image Fig.2 (b).
3. Detection of Malignancy in Digital Mammograms from Segmented Breast Region Using
Morphological Techniques
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Remove Background information
In order to remove the background information such as wedges and labels in the mammogram images, first
convert the grayscale or colour image to binary image by using threshold technique and morphological
operations. Thresholding is the simplest method of image segmentation. From a grayscale image, thresholding
can be used to create binary images. Fig. 2(c) shows a mammogram image after apply simple thresholding at
level 0. After the gray scale mammogram images are converted into binary, remove the noise or background
information from the binary image by removing all the smaller objects except the largest mammography part
Fig.2 (d). The algorithm steps to find artefacts and labels and to separate breast profile are as follows:
Convert the mammogram into binary using threshold technique.
Binary image objects are labelled and number of pixels in all objects is counted.
All binary objects are cleaned except the largest one: breast profile (Fig. 2(d)). After which the
morphological operation to remove isolated pixels is applied.
The resulting binary image is multiplied with the original mammogram image to get the final image without
artefacts.
a b c d
Fig.2 Image after applying Gaussian filter (a) and after adding brightness (b) image after applying
thresholding(c) and image after eliminating noise and selecting the largest mammographic region (d)
Perform Subtraction
Image subtraction or pixel subtraction is a process whereby the digital numeric value of one pixel or
whole image is subtracted from another image which makes the background disappear leaving only the target. It
simply compares the previous frame image with the current one. Image subtraction [10], is a tool for transient
object discovery and characterization, Z = imsubtract(X,Y) subtracts each element in array Y from the
corresponding element in array X and returns the difference in the corresponding element of the output
array Z. X and Y are real, non sparse numeric arrays of the same size and class, or Y is a double scalar. The
array returned, Z, has the same size and class as X unless X is logical, in which case Z is double. If X is an
integer array, elements of the output that exceed the range of the integer type are truncated, and fractional values
are rounded. In this paper I implemented subtraction on two images, the segmented image Fig.2 (d) and the
converted RGB image Fig.3 (a) and finally obtained the tumor that is present in the screened mammographic
image.
Perform Erosion
Erosion is one of two fundamental operations in morphological image processing from which all other
morphological operations are based. It was originally defined for binary images, later being extended
to grayscale images, and subsequently to complete lattices. The erosion [11], of f by a flat structuring element b
at any location (x, y) is defined as the minimum value of the image in the region coincident with b when the
origin of b is at (x, y). Therefore, the erosion at (x, y) of an image f by a structuring element b is given by:
f b(x,y) = min{f|(x+s,y+t)}
where, similarly to the correlation, x and y are incremented through all values required so that the origin of b
visits every pixel in f. That is, to find the erosion of f by b, we place the origin of the structuring element at
every pixel location in the image. The erosion is the minimum value of f from all values of f in the region of f
coincident with b. Erosion of a binary image f by a structuring element s (denoted f s) produces a new binary
image g = f s with ones in all locations (x,y) of a structuring element's origin at which that structuring
element s fits the input image f, i.e. g(x,y) = 1 is s fits f and 0 otherwise, repeating for all pixel coordinates (x,y).
4. Detection of Malignancy in Digital Mammograms from Segmented Breast Region Using
Morphological Techniques
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Erosion removes small-scale details from a binary image but simultaneously reduces the size of regions of
interest, too.
IV. EXPERIMENTAL RESULTS
Malignancy in image
(a) (b) (c) (d)
Fig.3 The Resultant mammogram without any artifacts (a) and the result after performing image subtraction (b)
Original Image(c) , The resultant image after applying Erosion (d)
V. CONCLUSION AND FUTURE WORKS
Identifying the breast cancer is a challenging problem in medical image processing and medical field.
Digital mammograms on a particular segmentation algorithm make it difficult to identify breast cancer
accurately. The acquisition parameters also influence the quality of the image. Mammography segmentation
using techniques presented in this paper is efficient in getting the malignant breast cancer region, which help the
doctors to concentrate more on that particular region for examination and treatment. For the future work it may
be planned to develop an algorithm to acquire a smoother breast region for image pre-processing, study the
behavior of the breast, improve the edge detection and region segmentation algorithms which detect the
abnormalities in segmented images and produce more accurate results than existing methods for the detection of
breast cancer.
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