imgOp.py 文件源码

def applyPadding(inputImg, sampleSizes, receptiveField) : 
    receptiveField_arr = np.asarray(receptiveField, dtype="int16")
    inputImg_arr = np.asarray(inputImg.shape,dtype="int16")

    receptiveField = np.array(receptiveField, dtype="int16")

    left_padding = (receptiveField - 1) / 2
    right_padding = receptiveField - 1 - left_padding

    extra_padding = np.maximum(0, np.asarray(sampleSizes,dtype="int16")-(inputImg_arr+left_padding+right_padding))
    right_padding += extra_padding  

    paddingValues = ( (left_padding[0],right_padding[0]),
                      (left_padding[1],right_padding[1]),
                      (left_padding[2],right_padding[2]))

    paddedImage = lib.pad(inputImg, paddingValues, mode='reflect' )
    return [paddedImage, paddingValues]

# ----- Apply unpadding ---------