Improving patient care along with quality service and at the same time cutting costs might seem totally opposite goals, but that is exactly the promise of telemedicine. The term telemedicine covers an ever increasing number of techniques that put patients in touch with medical expertise over great distances. Techlead Software Engineering Pvt. Ltd. India is coming up with one stop solution for ophthalmologist, the Digitech Ophthalmologist.
Digitech Ophthalmologist
Digital ophthalmologist is a software tool developed by Techlead software Engineering. It has been developed with understanding of the ophthalmologist’s concerns. This smart assistant to doctors will perform many of their routine and time consuming tasks in a much efficient way.
Panorama ConstructionCDR AnalysisGlaucoma DetectionBlood Vessel Analysis3D Retina ReconstructionRetinopathy
Teamed with 2 students to research and implement the automation of diagnosis of Diabetic Retinopathy and co-ordinated with an Ophthalmologist to verify our implementation.
Responsibilities included MATLAB coding, algorithm testing, and product documentation.
• Automation in MATLAB involving retinal image analysis to help
Ophthalmologist increase the productivity and efficiency in a clinical
environment.
• Used Image Processing concepts such as Hough Transform, Bottom Hat
Transform, Edge Detection Technique and Morphological Operators.
Provided our algorithm and documentation to our research faculty advisor to enable him to continue this research to the next phase.
Performance analysis of retinal image blood vessel segmentationacijjournal
The retinal image diagnosis
is an important methodology for diabetic retinopathy detection and analysis. in
this paper, the morphological operations and svm classifier are used to detect and segment the blood
vessels from the retinal image. the proposed system consists of three stage
s
-
first is preprocessing of retinal
image to separate the green channel and second stage is retinal image enhancement and third stage is
blood vessel segmentation using morphological operations and svm classifier. the performance of the
proposed system is
analyzed using publicly available dataset
Detection of Diabetic Retinopathy using Kirsch Edge Detection and Watershed T...IJARIIT
Diabetic retinopathy (DR) is a common retinal complication associated with diabetics. A complication of diabetes is that it can also affect various parts of the body. When the small blood vessels have a high level of glucose in the retina, the vision will be blurred and can cause blindness eventually, which is known as diabetic retinopathy. However, if symptoms are identified in the early stage then proper treatment can be provided to prevent blindness. Usually the retinal images obtained from the fundus camera are examined directly and diagnosed. Due to this certain abnormalities due to diabetic retinopathy are not directly visible through the naked eye .Hence by using the image processing techniques these abnormalities can be extracted accurately and required treatments and precautions can be taken. And this also reduces the time for the ophthalmologists to detect the disease and give accurate treatments.
C LASSIFICATION O F D IABETES R ETINA I MAGES U SING B LOOD V ESSEL A REASIJCI JOURNAL
Retina images are obtained from the fundus camera a
nd graded by skilled professionals. However there i
s
considerable shortage of expert observers has encou
raged computer assisted monitoring. Evaluation of
blood vessels network plays an important task in a
variety of medical diagnosis. Manifestations of
numerous vascular disorders, such as diabetic retin
opathy, depend on detection of the blood vessels
network. In this work the fundus RGB image is used
for obtaining the traces of blood vessels and areas
of
blood vessels are used for detection of Diabetic Re
tinopathy (DR). The algorithm developed uses
morphological operation to extract blood vessels. M
ainly two steps are used: firstly enhancement opera
tion
is applied to original retina image to remove noise
and increase contrast of retinal blood vessels. Se
condly
morphology operations are used to take out blood ve
ssels. Experiments are conducted on publicly availa
ble
DIARETDB1 database. Experimental results obtained b
y using gray-scale images have been presented.
The legal cause of blindness for the workingage
population in western countries is Diabetic Retinopathy - a
complication of diabetes mellitus - is a severe and wide- spread
eye disease. Digital color fundus images are becoming
increasingly important for the diagnosis of Diabetic Retinopathy.
In order to facilitate and improve diagnosis in different ways, this
fact opens the possibility of applying image processing techniques
.Microaneurysms is the earliest sign of DR, therefore an
algorithm able to automatically detect the microaneurysms in
fundus image captured. Since microaneurysms is a necessary
preprocessing step for a correct diagnosis. Some methods that
address this problem can be found in the literature but they have
some drawbacks like accuracy or speed. The aim of this thesis is
to develop and test a new method for detecting the
microaneurysms in retina images. To do so preprocessing, gray
level 2D feature based vessel extraction is done using neural
network by using extra neurons which is evaluated on DRIVE
database which is superior than rulebased methods. To identify
microaneurysms in an image morphological opening and image
enhancement is performed. The complete algorithm is developed
by using a MATLAB implementation and the diagnosis in an
image can be estimated with the better accuracy and in shorter
time than previous techniques
Teamed with 2 students to research and implement the automation of diagnosis of Diabetic Retinopathy and co-ordinated with an Ophthalmologist to verify our implementation.
Responsibilities included MATLAB coding, algorithm testing, and product documentation.
• Automation in MATLAB involving retinal image analysis to help
Ophthalmologist increase the productivity and efficiency in a clinical
environment.
• Used Image Processing concepts such as Hough Transform, Bottom Hat
Transform, Edge Detection Technique and Morphological Operators.
Provided our algorithm and documentation to our research faculty advisor to enable him to continue this research to the next phase.
Performance analysis of retinal image blood vessel segmentationacijjournal
The retinal image diagnosis
is an important methodology for diabetic retinopathy detection and analysis. in
this paper, the morphological operations and svm classifier are used to detect and segment the blood
vessels from the retinal image. the proposed system consists of three stage
s
-
first is preprocessing of retinal
image to separate the green channel and second stage is retinal image enhancement and third stage is
blood vessel segmentation using morphological operations and svm classifier. the performance of the
proposed system is
analyzed using publicly available dataset
Detection of Diabetic Retinopathy using Kirsch Edge Detection and Watershed T...IJARIIT
Diabetic retinopathy (DR) is a common retinal complication associated with diabetics. A complication of diabetes is that it can also affect various parts of the body. When the small blood vessels have a high level of glucose in the retina, the vision will be blurred and can cause blindness eventually, which is known as diabetic retinopathy. However, if symptoms are identified in the early stage then proper treatment can be provided to prevent blindness. Usually the retinal images obtained from the fundus camera are examined directly and diagnosed. Due to this certain abnormalities due to diabetic retinopathy are not directly visible through the naked eye .Hence by using the image processing techniques these abnormalities can be extracted accurately and required treatments and precautions can be taken. And this also reduces the time for the ophthalmologists to detect the disease and give accurate treatments.
C LASSIFICATION O F D IABETES R ETINA I MAGES U SING B LOOD V ESSEL A REASIJCI JOURNAL
Retina images are obtained from the fundus camera a
nd graded by skilled professionals. However there i
s
considerable shortage of expert observers has encou
raged computer assisted monitoring. Evaluation of
blood vessels network plays an important task in a
variety of medical diagnosis. Manifestations of
numerous vascular disorders, such as diabetic retin
opathy, depend on detection of the blood vessels
network. In this work the fundus RGB image is used
for obtaining the traces of blood vessels and areas
of
blood vessels are used for detection of Diabetic Re
tinopathy (DR). The algorithm developed uses
morphological operation to extract blood vessels. M
ainly two steps are used: firstly enhancement opera
tion
is applied to original retina image to remove noise
and increase contrast of retinal blood vessels. Se
condly
morphology operations are used to take out blood ve
ssels. Experiments are conducted on publicly availa
ble
DIARETDB1 database. Experimental results obtained b
y using gray-scale images have been presented.
The legal cause of blindness for the workingage
population in western countries is Diabetic Retinopathy - a
complication of diabetes mellitus - is a severe and wide- spread
eye disease. Digital color fundus images are becoming
increasingly important for the diagnosis of Diabetic Retinopathy.
In order to facilitate and improve diagnosis in different ways, this
fact opens the possibility of applying image processing techniques
.Microaneurysms is the earliest sign of DR, therefore an
algorithm able to automatically detect the microaneurysms in
fundus image captured. Since microaneurysms is a necessary
preprocessing step for a correct diagnosis. Some methods that
address this problem can be found in the literature but they have
some drawbacks like accuracy or speed. The aim of this thesis is
to develop and test a new method for detecting the
microaneurysms in retina images. To do so preprocessing, gray
level 2D feature based vessel extraction is done using neural
network by using extra neurons which is evaluated on DRIVE
database which is superior than rulebased methods. To identify
microaneurysms in an image morphological opening and image
enhancement is performed. The complete algorithm is developed
by using a MATLAB implementation and the diagnosis in an
image can be estimated with the better accuracy and in shorter
time than previous techniques
Automatic detection of optic disc and blood vessels from retinal images using...eSAT Publishing House
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
Magnetic resonance imaging /certified fixed orthodontic courses by Indian de...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
Faster and more confident diagnosis:
• True anatomical details
• Distortion free images, 1:1 anatomical accuracy • Eliminate doubts from 2D exams
Predictability in surgery, improved treatment quality Increased productivity and autonomy
• In-office 3D exams– limit patient visits Improved communication
• Show patients images that are easier to understand Increased treatment plan acceptance.
The advantages at a glance
• Affordable three-in-one solution– 3D, 2D panoramic and optional cephalometric imaging
• Highest resolution (76 μm), low dose 3D images
• Flexible 3D programs– from local exams to full-arch exams
• Compatible with guided surgery systems
IMAGE PROCESSING Projects for M. Tech, IMAGE PROCESSING Projects in Vijayanagar, IMAGE PROCESSING Projects in Bangalore, M. Tech Projects in Vijayanagar, M. Tech Projects in Bangalore, IMAGE PROCESSING IEEE projects in Bangalore, IEEE 2015 IMAGE PROCESSING Projects, MATLAB Image Processing Projects, MATLAB Image Processing Projects in Bangalore, MATLAB Image Processing Projects in Vijayangar
Vessels delineation in retinal images using COSFIRE filtersNicola Strisciuglio
George Azzopardi, Nicola Strisciuglio, Mario Vento, Nicolai Petkov - "Trainable COSFIRE filters for vessel delineation with application to retinal images”, Medical Image Analysis, Available Online 3 September 2014, DOI: 10.1016/j.media.2014.08.002
The source code of the B-COSFIRE filters is available at:
http://www.mathworks.com/matlabcentral/fileexchange/49172-trainable-cosfire-filters-for-vessel-delineation-with-application-to-retinal-images
It’s that time again—imaging professionals from around the globe are descending upon Chicago’s McCormick Place for the 104th Scientific Assembly and Annual Meeting of the Radiological Society of North America. With 680 vendors scheduled to exhibit, there’s no way you can hit them all.
EOS in MEDIC presented in Thailand, Dr NGUYEN VAN CONG, MEDIC MEDICAL CENTERhungnguyenthien
advantages from using EOS system at Medic Center Vietnam in comparison to older method of film stitching in cases of scoliosis, inferior extremity disorders, 3D view of vertebral column, hip joint, knee joint.
Recent advances in diagnosis & treatment plsning /certified fixed orthodonti...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
Automatic detection of optic disc and blood vessels from retinal images using...eSAT Publishing House
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
Magnetic resonance imaging /certified fixed orthodontic courses by Indian de...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
00919248678078
Faster and more confident diagnosis:
• True anatomical details
• Distortion free images, 1:1 anatomical accuracy • Eliminate doubts from 2D exams
Predictability in surgery, improved treatment quality Increased productivity and autonomy
• In-office 3D exams– limit patient visits Improved communication
• Show patients images that are easier to understand Increased treatment plan acceptance.
The advantages at a glance
• Affordable three-in-one solution– 3D, 2D panoramic and optional cephalometric imaging
• Highest resolution (76 μm), low dose 3D images
• Flexible 3D programs– from local exams to full-arch exams
• Compatible with guided surgery systems
IMAGE PROCESSING Projects for M. Tech, IMAGE PROCESSING Projects in Vijayanagar, IMAGE PROCESSING Projects in Bangalore, M. Tech Projects in Vijayanagar, M. Tech Projects in Bangalore, IMAGE PROCESSING IEEE projects in Bangalore, IEEE 2015 IMAGE PROCESSING Projects, MATLAB Image Processing Projects, MATLAB Image Processing Projects in Bangalore, MATLAB Image Processing Projects in Vijayangar
Vessels delineation in retinal images using COSFIRE filtersNicola Strisciuglio
George Azzopardi, Nicola Strisciuglio, Mario Vento, Nicolai Petkov - "Trainable COSFIRE filters for vessel delineation with application to retinal images”, Medical Image Analysis, Available Online 3 September 2014, DOI: 10.1016/j.media.2014.08.002
The source code of the B-COSFIRE filters is available at:
http://www.mathworks.com/matlabcentral/fileexchange/49172-trainable-cosfire-filters-for-vessel-delineation-with-application-to-retinal-images
It’s that time again—imaging professionals from around the globe are descending upon Chicago’s McCormick Place for the 104th Scientific Assembly and Annual Meeting of the Radiological Society of North America. With 680 vendors scheduled to exhibit, there’s no way you can hit them all.
EOS in MEDIC presented in Thailand, Dr NGUYEN VAN CONG, MEDIC MEDICAL CENTERhungnguyenthien
advantages from using EOS system at Medic Center Vietnam in comparison to older method of film stitching in cases of scoliosis, inferior extremity disorders, 3D view of vertebral column, hip joint, knee joint.
Recent advances in diagnosis & treatment plsning /certified fixed orthodonti...Indian dental academy
The Indian Dental Academy is the Leader in continuing dental education , training dentists in all aspects of dentistry and offering a wide range of dental certified courses in different formats.
Indian dental academy provides dental crown & Bridge,rotary endodontics,fixed orthodontics,
Dental implants courses.for details pls visit www.indiandentalacademy.com ,or call
0091-9248678078
AUTOMATED SEGMENTATION OF FLUORESCENT AND FUNDS IMAGES BASED ON RETINAL BLOOD...acijjournal
ABSTRACT
Measurements of retinal blood vessel morphology have been shown to be related to the risk of cardiovascular diseases. The wrong identification of vessels may result in a large variation of these measurements, leading to a wrong clinical diagnosis. In this paper, we address the problem of automatically identifying true vessels as a post processing step to vascular structure segmentation. We model the segmented vascular structure as a vessel segment graph and formulate the problem of identifying vessels as one of finding the optimal forest in the graph given a set of constraints. We design a method to solve this optimization problem and evaluate it on a large real-world dataset of 2,446 retinal images. Experiment results are analyzed with respect to actual measurements of vessel morphology. The results show that the proposed approach is able to achieve 98.9% pixel precision and 98.7% recall of the true vessels for clean segmented retinal images, and remains robust even when the segmented image is noisy.
AUTOMATED SEGMENTATION OF FLUORESCENT AND FUNDS IMAGES BASED ON RETINAL BLOOD...acijjournal
Measurements of retinal blood vessel morphology have been shown to be related to the risk of
cardiovascular diseases. The wrong identification of vessels may result in a large variation of these
measurements, leading to a wrong clinical diagnosis. In this paper, we address the problem of
automatically identifying true vessels as a post processing step to vascular structure segmentation. We
model the segmented vascular structure as a vessel segment graph and formulate the problem of identifying
vessels as one of finding the optimal forest in the graph given a set of constraints. We design a method to
solve this optimization problem and evaluate it on a large real-world dataset of 2,446 retinal images.
Experiment results are analyzed with respect to actual measurements of vessel morphology. The results
show that the proposed approach is able to achieve 98.9% pixel precision and 98.7% recall of the true
vessels for clean segmented retinal images, and remains robust even when the segmented image is noisy.
International Journal of Computational Engineering Research(IJCER) is an intentional online Journal in English monthly publishing journal. This Journal publish original research work that contributes significantly to further the scientific knowledge in engineering and Technology.
SOLIX Essential is a technology built upon a proven foundation of high-speed Spectral Domain OCT. The SOLIX Essential offers state-of-the-art imaging from the cornea to the choroid with exclusive technology that will change your approach to disease diagnosis and management.
The main cause of eye diseases in the working human is Diabetic retinopathy. Eye disease can
be prevented if detects early. The extraction of blood vessels from retinal images is an essential and challenging
task in medical diagnosis and analysis. This paper describes the effective and efficient extraction of blood
vessels from retinal image by using Kirsch’s templates. The Kirsch’s edge operators detect the edges using eight
filters, generated by the compass rotation mechanism. The method is used to automatic detection of landmark
features of the fundus, such as the optic disc, fovea and blood vessels.
Abstract:—The main cause of eye diseases in the working human is Diabetic retinopathy. Eye disease can
be prevented if detects early. The extraction of blood vessels from retinal images is an essential and challenging
task in medical diagnosis and analysis. This paper describes the effective and efficient extraction of blood
vessels from retinal image by using Kirsch’s templates. The Kirsch’s edge operators detect the edges using eight
filters, generated by the compass rotation mechanism. The method is used to automatic detection of landmark
features of the fundus, such as the optic disc, fovea and blood vessels.
Keywords: —Diabetic retinopathy, Retinal image, Oculist
GLAUCOMA is a chronic eye disease that can damage optic nerve. According to WHO It
is the second leading cause of blindness, and is predicted to affect around 80 million people by 2020.
Development of the disease leads to loss of vision, which occurs increasingly over a long period of
time. As the symptoms only occur when the disease is quite advanced so that glaucoma is called the
silent thief of sight. Glaucoma cannot be cured, but its development can be slowed down by
treatment. Therefore, detecting glaucoma in time is critical. However, many glaucoma patients are
unaware of the disease until it has reached its advanced stage. In this paper, some manual and
automatic methods are discussed to detect glaucoma. Manual analysis of the eye is time consuming
and the accuracy of the parameter measurements also varies with different clinicians. To overcome
these problems with manual analysis, the objective of this survey is to introduce a method to
automatically analyze the ultrasound images of the eye. Automatic analysis of this disease is much
more effective than manual analysis.
An Approach for the Detection of Vascular Abnormalities in Diabetic Retinopathyijdmtaiir
Diabetic Retinopathy is a common complication of
diabetes that is caused by changes in the blood vessels of the
retina. The blood vessels in the retina get altered. Exudates are
secreted, micro-aneurysms and hemorrhages occur in the
retina. The appearance of these features represents the degree
of severity of the disease. In this paper the proposed approach
detects the presence of abnormalities in the retina using image
processing techniques by applying morphological processing
techniques to the fundus images to extract features such as
blood vessels, micro aneurysms and exudates. These features
are used for the detection of severity of Diabetic Retinopathy.
It can quickly process a large number of fundus images
obtained from mass screening to help reduce the cost, increase
productivity and efficiency for ophthalmologists.
Similar to Digitech Ophthalmologist (Techlead Image Processing) (20)
Gps Tracker with RFID | School Security | techlead-india
eTechSchoolBus is complete school bus security solution. According to a survey, it has been found that parents are extremely worried about their children when they are on the way to school in school bus. The key reason of worrying is increase in crime; rush driving of school bus driver etc. Hence the tracking of school bus is ultimate solution. eTechSchool Bus provides RFID based location updates of your children whether your child has reached school or not. GPS device installed in vehicle gives current location of school bus. eTechSchool Bus product is designed specifically for the real time movement tracking, knowing when students got picked or dropped from the bus. SMS alerts are sent to parents on the arrival of the bus as well as when a student is picked or dropped.
How it works?
Download Presentation
A smart card (nametag) is provided to each student. Smart Card contains student information. At the entrance of the bus, RFID card reader will be provided (Internally its connected with GPS Device). Students need to flash the smart card (nametag),
while entering into the bus at pick-up point (Pickup)
while leaving from bus at a school (Pickup)
while entering into the bus after school (Drop)
while leaving bus at drop point (Drop)
A sms will be sent in each of the above cases. Parents can check exact location of bus on online software of eTechSchool Bus. Individual UserID and password will be provided to parents. Parents will be able to check the bus location of their child only. User Id and password will also be provided to school administrators, so that they will be able to check location of all buses.
Features:
Live tracking ie. the system provides real-time location data that displays the movement of the bus along with the date and time stamp, direction, speed and number of students in the bus on a map.
For Parents: Track the child getting in/out of the bus and entering or leaving the School.
Many more alerts can be configured with the system in cases such as:
If their child/employee does not board the bus when it leaves from the school/office
If bus takes a halt between school and home
If the bus breaks down
If bus is deviated from it’s path
Emergency (Panic) Button
Supports multiusers
GPS device with internal battery back – up
Stores data upto 120 days
Regular and up-to-date reports of vehicles
Benefits:
Parents become aware on the whereabouts of the school bus
School management remains informed about location, speed of school bus with information of students travelling in bus
Parents remain informed about real time location of bus and pick – up and drop updates of their child via sms on mobile phones
Availability of Panic button to inform school administrators/bus controllers in case of emergency
Reporting on vehicle performance over user specified time interval
Remote Immobilization : Remotely stop your vehicle
Real time, multiple vehicle tracking for schools
Contact: Sagar
School Smart Analytics by eTechSchool.
Techlead has come up with the innovative solutions for the schools names as eTechSchool - School Analytics. Its now being widely used by schools across India to monitor the performance of the school with few clicks. Being informed all the time, reduces the time for admin work, hence more focus can be given to ClassRoom Teaching.
Hence, Smart Analytics is equivalent to Improved Teaching !!
Visit us @ www.etechschoolonline.com
Techlead Video Analytics (Image Processing)techlead-india
Presentation On
Face Detection
People Counting
Crowd Management
People Loitering
Object Recognition
Abandoned Object Detection
Missing Object Detection
Color Based Object Detection
Directional Movement
(Techlead Image Processing)
Ozempic: Preoperative Management of Patients on GLP-1 Receptor Agonists Saeid Safari
Preoperative Management of Patients on GLP-1 Receptor Agonists like Ozempic and Semiglutide
ASA GUIDELINE
NYSORA Guideline
2 Case Reports of Gastric Ultrasound
Flu Vaccine Alert in Bangalore Karnatakaaddon Scans
As flu season approaches, health officials in Bangalore, Karnataka, are urging residents to get their flu vaccinations. The seasonal flu, while common, can lead to severe health complications, particularly for vulnerable populations such as young children, the elderly, and those with underlying health conditions.
Dr. Vidisha Kumari, a leading epidemiologist in Bangalore, emphasizes the importance of getting vaccinated. "The flu vaccine is our best defense against the influenza virus. It not only protects individuals but also helps prevent the spread of the virus in our communities," he says.
This year, the flu season is expected to coincide with a potential increase in other respiratory illnesses. The Karnataka Health Department has launched an awareness campaign highlighting the significance of flu vaccinations. They have set up multiple vaccination centers across Bangalore, making it convenient for residents to receive their shots.
To encourage widespread vaccination, the government is also collaborating with local schools, workplaces, and community centers to facilitate vaccination drives. Special attention is being given to ensuring that the vaccine is accessible to all, including marginalized communities who may have limited access to healthcare.
Residents are reminded that the flu vaccine is safe and effective. Common side effects are mild and may include soreness at the injection site, mild fever, or muscle aches. These side effects are generally short-lived and far less severe than the flu itself.
Healthcare providers are also stressing the importance of continuing COVID-19 precautions. Wearing masks, practicing good hand hygiene, and maintaining social distancing are still crucial, especially in crowded places.
Protect yourself and your loved ones by getting vaccinated. Together, we can help keep Bangalore healthy and safe this flu season. For more information on vaccination centers and schedules, residents can visit the Karnataka Health Department’s official website or follow their social media pages.
Stay informed, stay safe, and get your flu shot today!
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The "New Drug Discovery and Development" process involves the identification, design, testing, and manufacturing of novel pharmaceutical compounds with the aim of introducing new and improved treatments for various medical conditions. This comprehensive endeavor encompasses various stages, including target identification, preclinical studies, clinical trials, regulatory approval, and post-market surveillance. It involves multidisciplinary collaboration among scientists, researchers, clinicians, regulatory experts, and pharmaceutical companies to bring innovative therapies to market and address unmet medical needs.
Knee anatomy and clinical tests 2024.pdfvimalpl1234
This includes all relevant anatomy and clinical tests compiled from standard textbooks, Campbell,netter etc..It is comprehensive and best suited for orthopaedicians and orthopaedic residents.
These simplified slides by Dr. Sidra Arshad present an overview of the non-respiratory functions of the respiratory tract.
Learning objectives:
1. Enlist the non-respiratory functions of the respiratory tract
2. Briefly explain how these functions are carried out
3. Discuss the significance of dead space
4. Differentiate between minute ventilation and alveolar ventilation
5. Describe the cough and sneeze reflexes
Study Resources:
1. Chapter 39, Guyton and Hall Textbook of Medical Physiology, 14th edition
2. Chapter 34, Ganong’s Review of Medical Physiology, 26th edition
3. Chapter 17, Human Physiology by Lauralee Sherwood, 9th edition
4. Non-respiratory functions of the lungs https://academic.oup.com/bjaed/article/13/3/98/278874
2. Digitech Ophthalmologist
What is Digitech Ophthalmologist ?
Software tool for Ophthalmologist
Its like a smart assistance who will carry out the routine tasks with
ease freeing more time for the important work.
Advantages
This software operates on the images taken by Fundus Camera
Leaves more time for the doctor to actually focus on the important
diagnostic part rather than menial work.
Presents information and statistics in such a way to help doctor take
the best decision
Improves patient care at reduced prices as telemedicine is possible
due to this innovation
3. Digitech Ophthalmologist
Features: The major features are illustrated as below.
Patient Database Management
Distortion Correction
Panorama Image Construction
Cup to Disk Ration (CDR ) Analysis
Retina 3D Reconstruction
Blood Vessel Analysis
Glaucoma Detection
Retinopathy
Each Feature is discussed at a greater length in the following slides.
5. Patient Database Management
Archiving and maintaining the medical data is one of the
most important tasks
A tool for sophisticated archival and easy retrieval of the
data is necessary when dealing with the large databases
Techlead Patient Database system avails doctors the
following facilities
Store the database per patient basis for keeping track of history
Access the database for a particular clinical manifestation
Allow Multiple doctors to comment on the single case and all visible
to the user
A portable format of database which can be shared among doctors
with simpler means such as cell phones
Simple User Interface
8. Distortion Correction
Images are distorted due to the deviation of the light from direct
Path. The distortion is induced by
EYE Lens
Camera Lens
Figure shows example
of Camera Lens Distortion
Distortion Correction
Achieved by applying Polynomial Correction on the input image
Correction is applied on radial axis with the coefficients based on
camera lens
Complete removal is impossible as eye lens characteristics of
individual are not known
9. Panorama Construction
Complete retina surface is segmented in 7-9 virtual
overlapping parts and individually photographed
Retina is photographed in such a way to compensate the
distortion caused by the Eye lens and the curvature of
retina.
Figure shows the method of photography of retina
10. Panorama Construction Cntd..
Panorama Construction Features
Image Distortion is not 100% correctable
making the alignment difficult
Manually Stitching Images is a tedious Job
Panorama construction utility performs this
operation in no time
Testing
Tested on more than 100 datasets
Stitching time is < 40 seconds for 7
images (Each Image 9MPixel)
Time varies depending on the features in
a image.
Panorama Image is constructed from the 7
images 6 out of which are shown in the
above slide taken at different positions (as
shown with purple circles)
11. CDR Analysis
What is CDR ?
It’s the ratio between surface area occupied by Optic Cup to Surface area
occupied by Optic Disc.
What’s its Clinical Significance
When Cup surface area increases, CDR increases.
This is indication of variation of intra ocular pressure and sometimes
can indicate progress of glaucoma
Current Method
Manual marking – Ambiguous
Optic Cup Contour
Optic Disc Contour
12. CDR Analysis Cntd…
Accurate Extraction of the contours will result in the accurate
prediction of clinical manifestation
How to increase the accuracy of detected contours
Active Contours or SNAKE algorithm
Like the snake , when put near the object, it fits the object contour with
minimum error distance i.e. maximally touches the actual boundary
Example Video of Snake
Operation
13. CDR Analysis Reports
CDR Analysis is used to monitor the intra ocular and
dilation of Cup surface area
CDR is measured from the centre of the optic disk and
traversing axially at a particular angle towards the disc
contour. The distance where it cuts cup contour is marked as
CUP while the distance at which it cuts the disc contour is
marked as disc.
Centre point
Cup Intercept
Distance @ 0
Degree
This procedure is repeated for
0 -360 degrees and is plot
Angle 0 Degree
as a graph
Disc Intercept
Distance @ 0
Degree
15. Blood Vessel Analysis
Tracing the blood vessels accurately is the backbone of the
entire application
Blood vessels are used as the markers of information for panorama
Image construction
AV Ratio gives vital information about Arterial narrowing and hence
the systemic hypertension as well as Diabetics and optic atrophy
ALR or arterial reflex is a measure of thinning of the artery walls
which in turn alarm about arteriosclerosis and atherosclerosis
AV Ratio, Artery width to Vain Width
16. Development of the Blood Vessel Analysis Algorithm
• Development of a robust algorithm for vessel tracing (Vessel
Strokes algorithm )
• Development of Adaptive Vessel tracing algorithm
(Accurate boundary detection for exact calculation of AV
ratio and ALR are essential for Clinical manifestation)
• Vessel classification and Tree formation (with some
domain knowledge and fine tuning)
• Fine tuning of the algorithm is required so that the best
results are obtained for most of the images
– The most important challenge still remains is to identify the
algorithm which works for almost all the input images. Even the best
algorithm needs to be fine tuned for the performance on a given
dataset.
17. Robust Algorithm Development
• Many algorithms were tried and tested for reliable extraction of the
blood vessels from background in variety of images
• Vessel Stroke algorithm performed the best in all kinds of input image
conditions
• Following figure shows example of vessel extraction
18. Adaptive Vessel Tracing Algorithm
Adaptive Vessel Tracing Algorithm
Drawing the centre line of the vessel
Drawing the boundaries of the vessel
Identifying the branch points
Identifying the crossover points
Identifying the end of the vessel
Accurately adjusting the boundaries as per local statistics
Identify and Join the broken vessels without addition of errors
Identify Blood vessel type: Artery / Vein
Build the Vessel Tree Data structure
For each of the above parameters, the algorithm has been tested for
more than 300 images at a time. This dataset consists of input
images of various kinds.
19. Blood Vessel tracing Utility
The blood vessel tracing utility allows user to calculate the
following
Traced Vessels
Vessel Classification- Artery and Veins Tree
Vessel Tree – Connected tree starts from Optic Disc
AV ratio at the selected region
ALR Ratio at the selected region
Following figure shows the snapshot of the utility
21. 3D Retina Reconstruction
3D analysis is a powerful tool for in biomedical applications
and already popular in radiology
Retina Can be viewed as a 2D image as well as a 3D
structure
3D visualization is possible if the stereo view of the Retina
is available
Once the stereo imaging data is in hand getting the 3D
output is a two step job
Generation of 3D data from 2D Images using stereo algorithms
Visualizing the 3D data with some viewer
22. Generation of 3D Data from 2D images
Stereo imaging takes 2 images with a lateral shift, preferably from two
different cameras.
The two images are processed to identify the disparity between the
matching structures to calculate the depth of the feature.
Figure below shows one such example
23. Features of Techlead Stereo Algorithm
• Robust algorithm even works for images taken by single
camera. Ideal if the input is provided from a standard stereo
imaging setup with 2 cameras
• Automatic Y shift correction
• Automatic Disparity range calculation
• Automatic Cropping of the Area of Interest
• Automatic correction of rotation
• Auto Identification of left and right images
• Facility to fine tune parameters (defaults are stored)
• View the output in a interactive 3D viewer
25. Glaucoma Detection
What is Glaucoma?
Glaucoma is a disease which can result in loss of vision.
It’s early detection and treatment is of prime importance.
Physiological Appearance:
Fan-like pattern
near Optic Cup
Extended Optic
Cup
26. Glaucoma Detection (Contd..)
Evaluation of Nerve Fiber layer(NFL) is essential for early
detection of Glaucoma.
Physiological Appearance of NFL:
Striated Parabolic Arcs
Methods of Glaucoma Detection
Median Radial Transform
Fourier Series Descriptors
Hough Transform
28. Retinopathy
Retinopathy refers to a group of diseases which can cause
severe vision loss or blindness.
This retinal damage can be a result of ruptured blood
vessels, swelling in optic nerve etc.
Digital Retinopathy identifies these symptoms by the
abnormal coloring as shown below:
30. Retinopathy : Screening
Screening
If the input image is
normal or abnormal
User can train the
software with
Selecting and deleting the
reference Images.
Accepting / rejecting the
outcome of the software
Adjusting thresholds
Internal Algorithm will
tune itself to give best
results
32. Retinopathy (Contd..)
Salient Features:
Intelligent Disease Locator
Uses biological domain knowledge to extract the diseased areas
Train the algorithm to separate a particular pattern of data
Use this knowledge for future reference with systematic classification
34. Retinopathy (Contd..)
Retinopathy Disease Tracker Tool(Contd..)
Shows statistics along with data sets.
Finds similar patient history.
Software will present analysis and hypothesis to doctors to be
accepted or rejected.
Content based image retrieval used to identify similar cases.
Doctor can share the data of a particular patient case with another in
a standard format like DICOM including all the analysis and expert
comments.
35. Retinopathy (Contd..)
Multiple Examinations
When one patient comes more than one time
The current analysis is checked with history and the results are
shown under multiple examinations
Newly identified area
Marked with Blue Circle