Java bufferedimage, write to the underlying grid, and the pixels are offset in the final image

Sorry for the thread dead software, I tried to generate a test version, which can be found here

https://www.dropbox.com/sh/y0wtlae37yltfz5/yRDSyKj2NY

The largest part of the download is the three sample images in the SRC folder (two of them are medical grade fundus images, so they are a little large) Sorry, if the overall size of the solution is still a little large, but without serious reflection, I can't remove it (I admit I don't get enough sleep and have to go to work in 20 minutes)

My original question is described below

That's my problem I have a bufferedimage human retina. Now I have successfully extracted the vascular structure from the eye using the adaptive thresholding device. The rest of the software processes to draw the blood vessels and determine their thickness. I believe this is a normal function The final result shows that all coordinates deviate from the actual position to a considerable extent (careful observation, you can see that some seeds have been correctly connected after the blood vessel, and the coordinates follow the rotation of the image. My question is what causes this offset and how can I remedy it?

Solution

The coordinates are not offset, but their scale is wrong: the red pixel coordinates are scaled by 0.75 (approximately) At odinveinthicknessgen Java line 333 attempts to replace

wRast.setPixel(x6,y6,redVal);

adopt

wRast.setPixel(x6 * 4 / 3,y6 * 4 / 3,redVal);

I don't know why, you should find it faster, because you know your code is better than me

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