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I have a folder of greyscale images that are of random objects on a white background.
Essentially I need to reduce the size of every image - pixel-wise - by a factor of 1.51. Specifically, I need to reduce the number of non-white pixels by a factor of 1.51. Is there a way to do this without having to go in and change the number of pixels individually - as each of the images has a different number of non-white pixels (i.e. are of difference sizes and shapes)? Thank you!
Alternative suggestion, again you should record this as an action then use it in a batch on copies of your originals.
Image menu > Image size. Set to 66.22%
Image menu > Canvas Size, set to 151% both ways, using the centre of the canvas & setting Canvas extension colour to White.
Open a copy of one image, and record an action as follows
Stop recording.
Apply the action to an entire folder full of images using File > Automate > Batch. Obviously work on a copy of the folder so you don't overwrite the originals.
