isp 图像算法(三)之anti-aliasing filter抗混滤波

p6p7p8p4p0p5p1p2p3抗混滤波就是加大中心点p0的权重的一个加权平均而已for y in range(img_pad.shape[0] - 4):for x in range(img_pad.shape[1] - 4):p0 = img_pad[y + 2, x + 2]p1 = img_pad[y, x]...

luoganttcc

3130人浏览 · 2021-12-05 10:56:19

luoganttcc · 2021-12-05 10:56:19 发布


p6	p7	p8
p4	p0	p5
p1	p2	p3

抗混滤波就是加大中心点p0的权重的一个加权平均而已


        for y in range(img_pad.shape[0] - 4):
            for x in range(img_pad.shape[1] - 4):
                p0 = img_pad[y + 2, x + 2]
                p1 = img_pad[y, x]
                p2 = img_pad[y, x + 2]
                p3 = img_pad[y, x + 4]
                p4 = img_pad[y + 2, x]
                p5 = img_pad[y + 2, x + 4]
                p6 = img_pad[y + 4, x]
                p7 = img_pad[y + 4, x + 2]
                p8 = img_pad[y + 4, x + 4]
                aaf_img[y, x] = (p0 * 8 + p1 + p2 + p3 + p4 + p5 + p6 + p7 + p8) / 16