How to create heat maps from an image?

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DK
DK 2017-12-14
评论： Image Analyst 2021-8-2
Can anyone guide me how to create color-coded heatmaps based on the method below? I have been able to create a logical image and need help in creating the heat maps:
A map was generated by computing area within each 16x16 pixel sampling window over the logical image. In the map, bright red indicates a higher values, dark blue indicates lower values, and intermediate values are represented in a spectrum of yellow to green.

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Image Analyst
Image Analyst 2017-12-14
Sounds like they're simply computing the local average, something you can do with conv2()
windowSize = 17;
kernel = ones(windowSize) / windowSize^2;
out = conv(double(grayImage), kernel, 'same');
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Image Analyst
Image Analyst 2021-8-2
@Elif, I posted an answer to your new question in that thread.

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