[scikit-image] the mechanism and implementation of generating a subimage from a large image

[wine lover]

Hi All,

I have a set of image pairs, i.e., {A, A’}, {B, B’}, {C,C’} etc.


Given an image A, for instance, 256*256, are there any sampling mechanisms
to generate a small image, i.e., 128*128, that can capture the global
contexts of original images.  At the same time, I would like to keep track
information of those sampled pixels. For instance, if pixel[I,J] in A is
selected, I need to track it because I need to select the same pixel of A’.


In other words, I need to generate a set of smaller image pairs based on
these large image pairs. The sampling mechanism, however, is based on A, B,
C, etc; and A’, B’,C’ are just sampled accordingly.



Are there any skimage functions that I can use?


Thanks,
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