Presentation file for "Unsupervised Deformable Image Registration Using Cycle-Consistent CNN" presented at the International Conference on Medical Image Computing and Computer Assisted Intervention, MICCAI 2019.
DiffuseMorph: Unsupervised Deformable Image Registration Using Diffusion ModelBoahKim2
Presentation file for "DiffuseMorph: Unsupervised Deformable Image Registration Using Diffusion Model" presented at European Conference on Computer Vision, ECCV 2022.
BRAIN TUMOR MRI IMAGE SEGMENTATION AND DETECTION IN IMAGE PROCESSINGDharshika Shreeganesh
Image processing is an active research area in which medical image processing is a highly challenging field. Medical imaging
techniques are used to image the inner portions of the human body for medical diagnosis. Brain tumor is a serious life altering
disease condition. Image segmentation plays a significant role in image processing as it helps in the extraction of suspicious regions
from the medical images. In this paper we have proposed segmentation of brain MRI image using K-means clustering algorithm
followed by morphological filtering which avoids the misclustered regions that can inevitably be formed after segmentation of the brain MRI image for detection of tumor location.
DiffuseMorph: Unsupervised Deformable Image Registration Using Diffusion ModelBoahKim2
Presentation file for "DiffuseMorph: Unsupervised Deformable Image Registration Using Diffusion Model" presented at European Conference on Computer Vision, ECCV 2022.
BRAIN TUMOR MRI IMAGE SEGMENTATION AND DETECTION IN IMAGE PROCESSINGDharshika Shreeganesh
Image processing is an active research area in which medical image processing is a highly challenging field. Medical imaging
techniques are used to image the inner portions of the human body for medical diagnosis. Brain tumor is a serious life altering
disease condition. Image segmentation plays a significant role in image processing as it helps in the extraction of suspicious regions
from the medical images. In this paper we have proposed segmentation of brain MRI image using K-means clustering algorithm
followed by morphological filtering which avoids the misclustered regions that can inevitably be formed after segmentation of the brain MRI image for detection of tumor location.
details about brain tumor
literature survey on many reference papers related to brain tumor detection using various techniques
our proposed novel methodology for brain tumor detection
Image registraion is vital component in modern radiotherpay. Accuracy is important as output of image registraion process is input of another process in radiation therapy
Brain Tumor Segmentation using Enhanced U-Net Model with Empirical AnalysisMD Abdullah Al Nasim
Cancer of the brain is deadly and requires careful surgical segmentation. The brain tumors were segmented using U-Net using a Convolutional Neural Network (CNN). When looking for overlaps of necrotic, edematous, growing, and healthy tissue, it might be hard to get relevant information from the images. The 2D U-Net network was improved and trained with the BraTS datasets to find these four areas. U-Net can set up many encoder and decoder routes that can be used to get information from images that can be used in different ways. To reduce computational time, we use image segmentation to exclude insignificant background details. Experiments on the BraTS datasets show that our proposed model for segmenting brain tumors from MRI (MRI) works well. In this study, we demonstrate that the BraTS datasets for 2017, 2018, 2019, and 2020 do not significantly differ from the BraTS 2019 dataset's attained dice scores of 0.8717 (necrotic), 0.9506 (edema), and 0.9427 (enhancing).
This talk will cover various medical applications of deep learning including tumor segmentation in histology slides, MRI, CT, and X-Ray data. Also, more complicated tasks such as cell counting where the challenge is to count how many objects are in an image. It will also cover generative adversarial networks and how they can be used for medical applications. This presentation is accessible to non-doctors and non-computer scientists.
Adaptive K-Means Clustering Algorithm for MR Breast Image Segmentation
3D Brain Tumor Segmentation Scheme using K-mean Clustering and Connected Component Labeling Algorithms
Volume Identification and Estimation of MRI Brain Tumor
MRI Breast cancer diagnosis hybrid approach using adaptive Ant-based segmentation and Multilayer Perceptron NN classifier
Computer vision has received great attention over the last two decades.
This research field is important not only in security-related software but also in the advanced interface between people and computers, advanced control methods, and many other areas.
2017 Spring, UCF Medical Image Computing
CAVA: Computer Aided Visualization and Analysis
• CAD: Computer Aided Diagnosis
• Definitions and Terminologies
• Coordinate Systems
• Pre-Processing Images – Volume of Interest
– RegionofInterest
– IntensityofInterest – ImageEnhancement
• Filtering
• Smoothing
• Introduction to Medical Image Computing and Toolkits • Image Filtering, Enhancement, Noise Reduction, and Signal Processing • MedicalImageRegistration • MedicalImageSegmentation • MedicalImageVisualization • Machine Learning in Medical Imaging • Shape Modeling/Analysis of Medical Images Deep Learning in Radiology
Object classification using CNN & VGG16 Model (Keras and Tensorflow) Lalit Jain
Using CNN with Keras and Tensorflow, we have a deployed a solution which can train any image on the fly. Code uses Google Api to fetch new images, VGG16 model to train the model and is deployed using Python Django framework
Lec10: Medical Image Segmentation as an Energy Minimization ProblemUlaş Bağcı
Enhancement, Noise Reduction, and Signal Processing • MedicalImageRegistration • MedicalImageSegmentation • MedicalImageVisualization • Machine Learning in Medical Imaging • Shape Modeling/Analysis of Medical Images Deep Learning in Radiology Fuzzy Connectivity (FC) – Affinity functions • Absolute FC • Relative FC (and Iterative Relative FC) • Successful example applications of FC in medical imaging • Segmentation of Airway and Airway Walls using RFC based method
Energyfunctional
– Data and Smoothness terms
• GraphCut – Min cut
– Max Flow
• ApplicationsinRadiologyImages
Image restoration techniques covered such as denoising, deblurring and super-resolution for 3D images and models.
From classical computer vision techniques to contemporary deep learning based processing for both ordered and unordered point clouds, depth maps and meshes.
Medical Image Synthesis with Improved Cycle-GAN: CT from CECT BoahKim2
Presentation file for "Medical Image Synthesis with Improved Cycle-GAN: CT from CECT" presented at the Workshop on Deep Learning for Biomedical Image Reconstruction of IEEE Internetional Symposium on Biomedical Imaging, ISBI 2020.
The implementation of MDCT in urological imaging has solved much of the diagnostic dilemma. Thanks to its multiplanar capabilities and post processing techniques.
details about brain tumor
literature survey on many reference papers related to brain tumor detection using various techniques
our proposed novel methodology for brain tumor detection
Image registraion is vital component in modern radiotherpay. Accuracy is important as output of image registraion process is input of another process in radiation therapy
Brain Tumor Segmentation using Enhanced U-Net Model with Empirical AnalysisMD Abdullah Al Nasim
Cancer of the brain is deadly and requires careful surgical segmentation. The brain tumors were segmented using U-Net using a Convolutional Neural Network (CNN). When looking for overlaps of necrotic, edematous, growing, and healthy tissue, it might be hard to get relevant information from the images. The 2D U-Net network was improved and trained with the BraTS datasets to find these four areas. U-Net can set up many encoder and decoder routes that can be used to get information from images that can be used in different ways. To reduce computational time, we use image segmentation to exclude insignificant background details. Experiments on the BraTS datasets show that our proposed model for segmenting brain tumors from MRI (MRI) works well. In this study, we demonstrate that the BraTS datasets for 2017, 2018, 2019, and 2020 do not significantly differ from the BraTS 2019 dataset's attained dice scores of 0.8717 (necrotic), 0.9506 (edema), and 0.9427 (enhancing).
This talk will cover various medical applications of deep learning including tumor segmentation in histology slides, MRI, CT, and X-Ray data. Also, more complicated tasks such as cell counting where the challenge is to count how many objects are in an image. It will also cover generative adversarial networks and how they can be used for medical applications. This presentation is accessible to non-doctors and non-computer scientists.
Adaptive K-Means Clustering Algorithm for MR Breast Image Segmentation
3D Brain Tumor Segmentation Scheme using K-mean Clustering and Connected Component Labeling Algorithms
Volume Identification and Estimation of MRI Brain Tumor
MRI Breast cancer diagnosis hybrid approach using adaptive Ant-based segmentation and Multilayer Perceptron NN classifier
Computer vision has received great attention over the last two decades.
This research field is important not only in security-related software but also in the advanced interface between people and computers, advanced control methods, and many other areas.
2017 Spring, UCF Medical Image Computing
CAVA: Computer Aided Visualization and Analysis
• CAD: Computer Aided Diagnosis
• Definitions and Terminologies
• Coordinate Systems
• Pre-Processing Images – Volume of Interest
– RegionofInterest
– IntensityofInterest – ImageEnhancement
• Filtering
• Smoothing
• Introduction to Medical Image Computing and Toolkits • Image Filtering, Enhancement, Noise Reduction, and Signal Processing • MedicalImageRegistration • MedicalImageSegmentation • MedicalImageVisualization • Machine Learning in Medical Imaging • Shape Modeling/Analysis of Medical Images Deep Learning in Radiology
Object classification using CNN & VGG16 Model (Keras and Tensorflow) Lalit Jain
Using CNN with Keras and Tensorflow, we have a deployed a solution which can train any image on the fly. Code uses Google Api to fetch new images, VGG16 model to train the model and is deployed using Python Django framework
Lec10: Medical Image Segmentation as an Energy Minimization ProblemUlaş Bağcı
Enhancement, Noise Reduction, and Signal Processing • MedicalImageRegistration • MedicalImageSegmentation • MedicalImageVisualization • Machine Learning in Medical Imaging • Shape Modeling/Analysis of Medical Images Deep Learning in Radiology Fuzzy Connectivity (FC) – Affinity functions • Absolute FC • Relative FC (and Iterative Relative FC) • Successful example applications of FC in medical imaging • Segmentation of Airway and Airway Walls using RFC based method
Energyfunctional
– Data and Smoothness terms
• GraphCut – Min cut
– Max Flow
• ApplicationsinRadiologyImages
Image restoration techniques covered such as denoising, deblurring and super-resolution for 3D images and models.
From classical computer vision techniques to contemporary deep learning based processing for both ordered and unordered point clouds, depth maps and meshes.
Medical Image Synthesis with Improved Cycle-GAN: CT from CECT BoahKim2
Presentation file for "Medical Image Synthesis with Improved Cycle-GAN: CT from CECT" presented at the Workshop on Deep Learning for Biomedical Image Reconstruction of IEEE Internetional Symposium on Biomedical Imaging, ISBI 2020.
The implementation of MDCT in urological imaging has solved much of the diagnostic dilemma. Thanks to its multiplanar capabilities and post processing techniques.
Talk by Dr. Nikita Morikiakov on inverse problems in medical imaging with deep learning.
Inverse problem is the type of problems in natural sciences when one has to infer from a set of observations the causal factors that produced them. In medical imaging, important examples of inverse problems would be recontruction in CT and MRI, where the volumetric representation of an object is computed from the projection and Fourier space data respectively. In a classical approach, one relies on domain specific knowledge contained in physical-analytical models to develop a reconstruction algorithm, which is often given by a certain iterative refinement procedure. Recent research in inverse problems seeks to develop a mathematically coherent foundation for combining data driven models, based on deep learning, with the analytical knowledge contained in the classical reconstruction procedures. In this talk we will give a brief overview of these developments and then focus on particular applications in Digital Breast Tomosynthesis and MRI reconstruction.
Enlarge Medical Image using Line-Column Interpolation (LCI) Method IJECEIAES
Quality of medical image has an important role in constructing right medical diagnosis. This paper recommends a method to improve the quality of medical images by increasing the size of the image pixels. By increasing the size of pixels, the size of the objects contained therein is also greater, making it easier to observe. In this study medical images of Brain CT-Scan, Chest X-Ray and Panoramic X-Ray were processed using Line-Column Interpolation (LCI) Method. The results of the treatment are then compared to Nearest Neighbor Interpolation (NNI), Bilinear Interpolation (BLI) and Bicubic Interpolation (BCI) processing results. The experiment shows that Line-Column Interpolation Method produces a larger image with details of the objects in it are not blurred and has equal visual effects. Thus, this method is expected to be a reference material in enlarging the size of the medical image for ease in clinical analysis.
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.
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.
Water scarcity is the lack of fresh water resources to meet the standard water demand. There are two type of water scarcity. One is physical. The other is economic water scarcity.
Overview of the fundamental roles in Hydropower generation and the components involved in wider Electrical Engineering.
This paper presents the design and construction of hydroelectric dams from the hydrologist’s survey of the valley before construction, all aspects and involved disciplines, fluid dynamics, structural engineering, generation and mains frequency regulation to the very transmission of power through the network in the United Kingdom.
Author: Robbie Edward Sayers
Collaborators and co editors: Charlie Sims and Connor Healey.
(C) 2024 Robbie E. Sayers
About
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Technical Specifications
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
Key Features
Indigenized remote control interface card suitable for MAFI system CCR equipment. Compatible for IDM8000 CCR. Backplane mounted serial and TCP/Ethernet communication module for CCR remote access. IDM 8000 CCR remote control on serial and TCP protocol.
• Remote control: Parallel or serial interface
• Compatible with MAFI CCR system
• Copatiable with IDM8000 CCR
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
Application
• Remote control: Parallel or serial interface.
• Compatible with MAFI CCR system.
• Compatible with IDM8000 CCR.
• Compatible with Backplane mount serial communication.
• Compatible with commercial and Defence aviation CCR system.
• Remote control system for accessing CCR and allied system over serial or TCP.
• Indigenized local Support/presence in India.
• Easy in configuration using DIP switches.
Unsupervised Deformable Image Registration Using Cycle-Consistent CNN
1. Unsupervised Deformable Image Registration
Using Cycle-Consistent CNN
MICCAI 2019
Boah Kim, Jieun Kim, June-Goo Lee, Dong
Hwan Kim, Seong Ho Park, and Jong Chul Ye
2. Image registration 2
Introduction
Medical Image Registration
MRI
Abdominal CT
Deforming data into one coordinate system
• subjects / time / modalities / ...
Du, Juan, et al. "Intensity-based robust similarity for multimodal image registration."
International Journal of Computer Mathematics 83.1 (2006): 49-57.
Fundamental task to analyze data
• Tumor volumetry studies
• Multimodal information fusion
• Therapy planning
PET
4. Image registration 4
• Deformation field
A vector field of all displacement vectors for all coordinate in images
Background
Classical Iterative Method Deep-learning-based method
• Transformer
Grid sampling to warp moving image into fixed image
𝑥𝑥 𝑦𝑦
Floating image Fixed image
𝜙𝜙
Deformation field
𝑇𝑇(𝑥𝑥; 𝜙𝜙)
Deformed image
𝑇𝑇
Transformer
8. Image registration 8
Background
Require the ground-truth registration fields
Cao. et al. “Non-rigid Brain MRI Registration Using Two-Stage
Deep Perceptive Networks.” ISMRM 2018
Supervised learning Unsupervised learning
Classical iterative method Deep-learning-based Method
9. Image registration 9
Background
Limitation
• Difficult to obtain the real ground-truth in practice
• Depend on the quality of the ground-truth registration fields
Advantages
• No parameter tuning for the inference
• Applicable to various image domains
Supervised learning Unsupervised learning
Classical iterative method Deep-learning-based Method
10. Image registration 10
Background
Does not require any ground-truth label
Balakrishnan. et al. “An
unsupervised learning model for
deformable medical image
registration,.” CVPR 2018l
• Spatial transformer network = Deformation field generator + Transformer
• To provide deformable registration without labels for registration fields
• Pitfalls: Potential for the degeneracy of mapping on large deformable volumes
ex) liver CT scans
Supervised learning Unsupervised learning
Classical iterative method Deep-learning-based Method
11. Image registration 11
Proposed Method
Cycle Consistency
Zhu, Jun-Yan, et al. "Unpaired image-to-image translation using
cycle-consistent adversarial networks." arXiv preprint (2017).
Motivation model: cycleGAN
Horse
𝑭𝑭
𝑹𝑹
Zebra
• To adopt cyclic constraint in network training
→ Improve topology preservation (less degeneracy)
16. Image registration 16
Proposed Method
𝑳𝑳𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖𝑖 𝑥𝑥, 𝑦𝑦, 𝑇𝑇, 𝐺𝐺𝐴𝐴, 𝐺𝐺𝐵𝐵 = − 𝑇𝑇(𝐴𝐴, 𝐺𝐺𝐴𝐴𝐴𝐴(𝐴𝐴, 𝐴𝐴) ⨂𝐴𝐴 − 𝑇𝑇(𝐵𝐵, 𝐺𝐺𝐵𝐵𝐵𝐵(𝐵𝐵, 𝐵𝐵) ⨂𝐵𝐵
Loss Function
𝒚𝒚
𝒙𝒙
• Identity loss
17. Image registration 17
Experiment
Application to Liver CT Registration (3D)
Dataset
• Multiphase abdominal CT images (from Asan Medical Center)
• Does not have ground-truth registration fields
22. Image registration 22
Artery phase → Portal phase
Original
artery phase
Moved
artery phase
Fixed
portal phase
Experiment
Application to Liver CT Registration (3D)
23. Image registration 23
Tumor size measurement & Target registration error
Experiment
Application to Liver CT Registration (3D)
Effect of cycle consistency : less folding problem
24. Image registration 24
Conclusion
Advantages of Proposed Method
• Does not require the ground-truth of deformation fields
• Faster time for image registration
• Topology preservation for forward and backward mapping
• 3D image registration for any pair of images from a single network
• Applicable to challenging tasks
Unsupervised learning
Cycle consistency