Python: PS 滤镜--碎片特效

本文用 Python 实现 PS 滤镜中的碎片特效，这个特效简单来说就是将图像在上，下，左，右四个方向做平移，然后将四个方向的平移的图像叠加起来做平均。具体的效果图可以参考之前的博客

http://blog.csdn.net/matrix_space/article/details/29192819

from skimage import img_as_float

import matplotlib.pyplot as plt

from skimage import io

file_name='D:/Visual Effects/PS Algorithm/4.jpg';

img=io.imread(file_name)

img = img_as_float(img)

img_1 = img.copy()

img_2 = img.copy()

img_3 = img.copy()

img_4 = img.copy()

img_out = img.copy()

Offset = 7

row, col, channel = img.shape

img_1[:, 0 : col-1-Offset, :] = img[:, Offset:col-1, :]

img_2[:, Offset:col-1, :] = img[:, 0 : col-1-Offset, :]

img_3[0:row-1-Offset, :, :] = img[Offset:row-1, :, :]

img_4[Offset:row-1, :, :] = img[0:row-1-Offset, :, :]

img_out = (img_1 + img_2 + img_3 + img_4) / 4.0

plt.figure(1)

plt.imshow(img)

plt.axis('off');

plt.figure(2)

plt.imshow(img_out)

plt.axis('off');

巴特西

Python: PS 滤镜--碎片特效

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