Crop Photo Alters Pixel color value data - is there a work around?

Hi all

So basically, I'm batch cropping of the thousands of images at once. Here are the multispectral images - so that they have 5 channels. I crop in chimneys-5 layers by highlighting the layers and cropping the same dimensions for thousands of these (automated as a batch) multi-layer images.

The problem I have is that when I crop a picture, it alters the colors very slightly compared to the battery under cover; Each layer in the stack is modified slightly in color. I need to keep the same values of color for pixels after cropping.

Does anyone know a way I can crop an image while maintaining the same values of color/DN for the pixels, as the original game? I use Photoshop CS6.

Thank you!

How are these images saved - file format? PS open them in the same color space as the original files and saving them in the same color space?

Tags: Photoshop

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