Underwater Image Enhancement using Contrast Limited Adaptive Histogram Equalization (CLAHE) and Sharpening Techniques [MATLAB]
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File contents: test images, m file, paper,
File size: 5.1 MB
Title: Underwater Image Enhancement using CLAHE and Sharpening MATLAB Code
Explanation: The provided code performs enhancement on an underwater image using the following steps:
1. Read and display the original image.
2. Separate the image into its red, green, and blue channels.
3. Compute and display the histograms of each channel.
4. Apply Contrast Limited Adaptive Histogram Equalization (CLAHE) on each channel separately.
5. Combine the enhanced channels to form the enhanced image using the `cat` function.
6. Display the enhanced image.
7. Apply sharpening to the enhanced image using the `imsharpen` function.
8. Display the sharpened image.
9. Obtain and display the histograms of the three channels in the sharpened image.
10. Display the original image and the sharpened image side by side.
Overall, the code combines CLAHE and sharpening techniques to improve the visibility and quality of an underwater image.
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