Error: (-215:Assertion failed) !dsize.empty() in function 'resize'

[berak]

@Phoenix_Arielle

thresholded = np.reshape(thresholded,
(1,thresholded.shape[0],thresholded.shape[1],3))

throw it out. blobFromImage() expects [HWC] input, that’s why the (internal) resize() goes wrong