image_pyramid.py 文件源码

def createImagePyramid(im, scale, minHeight, minWidth):
    yield im
    while (True):
        reducedWidth = int(round(im.shape[1] / scale))
        reducedHeight = int(round(im.shape[0] / scale))
        im = imutils.resize(im, width=reducedWidth, height=reducedHeight)
        if ((im.shape[0] >= minHeight) and (im.shape[1] >= minWidth)):
            yield im
        else:
            break