Automated Hepatitis-C Nodule Detection
description
Transcript of Automated Hepatitis-C Nodule Detection
![Page 1: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/1.jpg)
Automated Hepatitis-CNodule Detection
MOHAMMAD HARIS BAIG
![Page 2: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/2.jpg)
The Problem
- Identification of Hepatitis C Nodules from a sequence of such Images of Slices of Lungs
![Page 3: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/3.jpg)
Approach
- Denoising of Images for increasing Accuracy- Lung Detection from Denoised Images- Enhancing Features Inside the Lungs- Iteratively Segmenting More Detailed Features- 3D Display of Features
![Page 4: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/4.jpg)
Overview
• Image Normalization• Denoising• Segmentation• Feature Enhancement• Iterative Segmentation• Automatic Lung Detection• 3D Reconstruction
![Page 5: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/5.jpg)
Image Normalization
The Problem:
![Page 6: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/6.jpg)
Image Normalization
Solutions
Histogram Equalization Histogram Matching
X
![Page 7: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/7.jpg)
Denoising - 1
Median FilteringOriginal Image
![Page 8: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/8.jpg)
Denoising - 2
Mean FilteringOriginal Image
![Page 9: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/9.jpg)
Denoising - 3
Original Image
Fourier Transform
Low Pass Filter
Final Image
![Page 10: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/10.jpg)
Denoising - 4
Non Orthogonal Wavelet Based Noise Reduction
Original Image
![Page 11: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/11.jpg)
Segmentation
Original Image K Means Based Clustering
![Page 12: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/12.jpg)
Segmentation - 1
Original Image Trachea
![Page 13: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/13.jpg)
Segmentation - 2
Original Image Lungs
![Page 14: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/14.jpg)
Segmentation - 3
Original Image Bones
![Page 15: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/15.jpg)
Segmentation - 4
Original Image Muscles?
![Page 16: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/16.jpg)
Segmentation - 5
Original Image Muscles?
![Page 17: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/17.jpg)
Automatic Lung Detection
Rows Contain Means for different Bins from K MeansCols Contain all the Bins for a Slice
Results after Segmentation Sorted By Mean across each slice
Lungs = Min (Mean)RIBS = Max(Mean)
![Page 18: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/18.jpg)
Feature Enhancement - 1
Adaptive Histogram Equalization
Original Image
![Page 19: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/19.jpg)
Feature Enhancement - 2
Saturation Based EnhancementOriginal Image
![Page 20: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/20.jpg)
Feature Enhancement - 3
CombinationSaturation Based &
Adaptive Histogram Equalization
Original Image
![Page 21: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/21.jpg)
Iterative Segmentation
Original Image Binary Mask Extracted Lungs
And then Re-apply K Means Clustering
![Page 22: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/22.jpg)
Iterative Segmentation - 1
Extracted Lungs Background
![Page 23: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/23.jpg)
Iterative Segmentation - 2
Extracted Lungs Inner Lung Major Structures
![Page 24: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/24.jpg)
Iterative Segmentation - 3
Extracted Lungs Lung Boundary Structures
![Page 25: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/25.jpg)
Iterative Segmentation - 4
Extracted Lungs Lung Internal Bacground
![Page 26: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/26.jpg)
3D Reconstruction
3D Reconstructions are done by Stacking Contours of Segmented Regions
![Page 27: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/27.jpg)
3D Reconstruction- RIBS
![Page 28: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/28.jpg)
3D Reconstruction- LUNGS
![Page 29: Automated Hepatitis-C Nodule Detection](https://reader036.fdocuments.us/reader036/viewer/2022081517/56815c61550346895dca6a1c/html5/thumbnails/29.jpg)
Final Output