How do you shrink multiple images without using imresize or imcrop?

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MK
MK il 19 Nov 2018
Commentato: Image Analyst il 20 Nov 2018
I have to shrink 20 images to 129 x 120 without cutting off any of the image and without using imresize or imcrop.

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Image Analyst
Image Analyst il 19 Nov 2018
You could use interp2() or else just write your own code to do the same things as the functions you (for some reason) don't want to use.
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MK
MK il 19 Nov 2018
I am not allowed to use those functions on my homework assignment. Could you show me how to start the code for them?
Image Analyst
Image Analyst il 20 Nov 2018
You could first figure out what coordinates in the input image the value should come from. Chances are it will land between 4 input pixels. So you can use bilinear interpolation.
See Wikipedia's page on bilinear interpolation

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