Image processing module ndimage

an original image 

1 code

1. from scipy import misc
2. from scipy import ndimage
3. import matplotlib.pyplot as plt
4. face = misc.face()#face是测试图像之一
5. plt.figure()#创建图形
6. plt.imshow(face)#绘制测试图像
7. plt.show()#原始图像

2 Running results

 

 

Two Gaussian filter

1 code

1. from scipy import misc
2. from scipy import ndimage
3. import matplotlib.pyplot as plt
4. face = misc.face()#face是测试图像之一
5. plt.figure()#创建图形
6. blurred_face = ndimage.gaussian_filter(face, sigma=7)#高斯滤波
7. plt.imshow(blurred_face)
8. plt.show()

2 Running results

 

 

Three edge sharpening

1 code

1. from scipy import misc
2. from scipy import ndimage
3. import matplotlib.pyplot as plt
4. face = misc.face()#face是测试图像之一
5. plt.figure()#创建图形
6. blurred_face1 = ndimage.gaussian_filter(face, sigma=1)#边缘锐化
7. blurred_face3 = ndimage.gaussian_filter(face, sigma=3)
8. sharp_face = blurred_face3 +6*(blurred_face3-blurred_face1)
9. plt.imshow(sharp_face)
10. plt.show()

2 Running results

 

 

Four median filter 

1 code

1. from scipy import misc
2. from scipy import ndimage
3. import matplotlib.pyplot as plt
4. face = misc.face()#face是测试图像之一
5. plt.figure()#创建图形
6. median_face = ndimage.median_filter(face,7)#中值滤波
7. plt.imshow(median_face)
8. plt.show()

2 Running results