Im2col
4D image/filter tensor -> 2d matrix
Install / Use
/learn @rioyokotalab/Im2colREADME
im2col.py
filter_to_2d
filter matrix -> 2d matrix
data_to_2d
NCHW image matrix -> 2d matrix
filter2d_to_orig
filter (2d matrix) -> original filter
data2d_to_orig
image (2d matrix) -> NCHW image matrix
to perform convolution: filter2d * data2d
Test
$ python im2col.py -v
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