修改标注信息，添加README 2018年11月15日

ex2tron · ex2tron · commit 042a1ec521c4 · 2018-11-15T09:16:54.000+08:00
diff --git a/.gitignore b/.gitignore
diff --git a/01. 简介与安装/cv2_contrast_brightness_time.cpp b/01. 简介与安装/cv2_contrast_brightness_time.cpp
@@ -1,4 +1,5 @@
-// More: http://ex2tron.top
+// ex2tron's blog:
+// http://ex2tron.wang
 
 #include "stdafx.h"
 #include <opencv2\opencv.hpp>
diff --git a/01. 简介与安装/cv2_contrast_brightness_time.py b/01. 简介与安装/cv2_contrast_brightness_time.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/01. 简介与安装/cv2_read_image_time.cpp b/01. 简介与安装/cv2_read_image_time.cpp
@@ -1,4 +1,5 @@
-// More: http://ex2tron.top
+// ex2tron's blog:
+// http://ex2tron.wang
 
 #include "stdafx.h"
 #include <opencv2\opencv.hpp>
diff --git a/01. 简介与安装/cv2_read_image_time.py b/01. 简介与安装/cv2_read_image_time.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
diff --git a/02. 基本元素-图片/cv2_excises1.py b/02. 基本元素-图片/cv2_excises1.py
@@ -1,11 +1,12 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
 img = cv2.imread('lena.jpg')
 cv2.imshow('lena', img)
 
 k = cv2.waitKey(0)
-# ord用来获取某个字符的编码
+# ord()用来获取某个字符的编码
 if k == ord('s'):
     cv2.imwrite('lena_save.bmp', img)
diff --git a/02. 基本元素-图片/cv2_getting_start_with_images.py b/02. 基本元素-图片/cv2_getting_start_with_images.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
diff --git a/03. 打开摄像头/cv2_capture_live_video_from_camera.py b/03. 打开摄像头/cv2_capture_live_video_from_camera.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
diff --git a/03. 打开摄像头/cv2_exercise1.py b/03. 打开摄像头/cv2_exercise1.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
diff --git a/03. 打开摄像头/cv2_play_video_from_file.py b/03. 打开摄像头/cv2_play_video_from_file.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
diff --git a/03. 打开摄像头/cv2_save_video_to_file.py b/03. 打开摄像头/cv2_save_video_to_file.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 
diff --git a/04. 图像基本操作/cv2_basic_operations.py b/04. 图像基本操作/cv2_basic_operations.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 
diff --git a/04. 图像基本操作/cv2_exercise1.py b/04. 图像基本操作/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 
diff --git a/05. 颜色空间转换/cv2_changing_color_space.py b/05. 颜色空间转换/cv2_changing_color_space.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/05. 颜色空间转换/cv2_exercises1.py b/05. 颜色空间转换/cv2_exercises1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/06. 阈值分割/cv2_thresholding.py b/06. 阈值分割/cv2_thresholding.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import matplotlib.pyplot as plt
diff --git a/07. 图像几何变换/cv2_geometric_transformations.py b/07. 图像几何变换/cv2_geometric_transformations.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/07. 图像几何变换/cv2_perspective_transformation.py b/07. 图像几何变换/cv2_perspective_transformation.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/08. 绘图功能/cv2_drawing_functions.py b/08. 绘图功能/cv2_drawing_functions.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/08. 绘图功能/cv2_exercise1.py b/08. 绘图功能/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/09. 图像混合/cv2_image_blending.py b/09. 图像混合/cv2_image_blending.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/10. 平滑图像/cv2_extra_exercise1.py b/10. 平滑图像/cv2_extra_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/10. 平滑图像/cv2_source_code_getGaussianKernel.cpp b/10. 平滑图像/cv2_source_code_getGaussianKernel.cpp
@@ -1,4 +1,4 @@
-// More: http://ex2tron.top
+// More: http://ex2tron.wang
 
 cv::Mat cv::getGaussianKernel( int n, double sigma, int ktype )
 {
diff --git a/11. 边缘检测/cv2_canny_edge_detection.py b/11. 边缘检测/cv2_canny_edge_detection.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/11. 边缘检测/cv2_exercise1.py b/11. 边缘检测/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/12. 腐蚀与膨胀/cv2_erosion_dilation.py b/12. 腐蚀与膨胀/cv2_erosion_dilation.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/13. 轮廓/cv2_find_contours.py b/13. 轮廓/cv2_find_contours.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 
diff --git a/14. 轮廓特征/cv2_contours_features.py b/14. 轮廓特征/cv2_contours_features.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/14. 轮廓特征/cv2_exercise1.py b/14. 轮廓特征/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/14. 轮廓特征/cv2_exercise2.py b/14. 轮廓特征/cv2_exercise2.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 
diff --git a/15. 直方图/cv2_exercise1.py b/15. 直方图/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/15. 直方图/cv2_histogram.py b/15. 直方图/cv2_histogram.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/16. 模板匹配/cv2_template_matching.py b/16. 模板匹配/cv2_template_matching.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/17. 霍夫变换/cv2_hough_transform.py b/17. 霍夫变换/cv2_hough_transform.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/19. Harris角点检测/cv2_harris_corner_detector.py b/19. Harris角点检测/cv2_harris_corner_detector.py
@@ -1,3 +1,5 @@
+# More: http://ex2tron.wang
+
 import cv2
 import numpy as np
 
diff --git a/20. Shi-Tomasi角点检测/cv2_shi_tomasi_corner_detector.py b/20. Shi-Tomasi角点检测/cv2_shi_tomasi_corner_detector.py
@@ -1,3 +1,5 @@
+# More: http://ex2tron.wang
+
 import cv2
 import numpy as np
 
diff --git a/20. Shi-Tomasi角点检测/cv_exercise1.py b/20. Shi-Tomasi角点检测/cv_exercise1.py
@@ -1,3 +1,5 @@
+# More: http://ex2tron.wang
+
 import cv2
 import numpy as np
 
diff --git a/21. SIFT/cv2_sift_sample.py b/21. SIFT/cv2_sift_sample.py
@@ -1,3 +1,5 @@
+# More: http://ex2tron.wang
+
 import cv2
 import numpy as np
 
diff --git a/README.md b/README.md
@@ -0,0 +1,3 @@
+# OpenCV-Python图像处理教程
+
+> 教程地址：[ex2tron's Blog](http://ex2tron.wang)
diff --git a/番外篇01. 代码性能优化/cv2_optimization.py b/番外篇01. 代码性能优化/cv2_optimization.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇02. Matplotlib显示图像/cv2_using_matplotlib_show_image.py b/番外篇02. Matplotlib显示图像/cv2_using_matplotlib_show_image.py
@@ -1,4 +1,5 @@
-# More: http://ex2tron.top
+# ex2tron's blog:
+# http://ex2tron.wang
 
 import cv2
 import matplotlib.pyplot as plt
@@ -23,3 +24,14 @@
 plt.imshow(img2)
 
 plt.show()
+
+
+# 3.加载和保存图片
+import matplotlib.image as pli
+
+img = pli.imread('lena.jpg')
+plt.imshow(img)
+
+# 保存图片，需放在show()函数之前
+plt.savefig('lena2.jpg')
+plt.show()
diff --git a/番外篇03. 滑动条/cv2_trackbar.py b/番外篇03. 滑动条/cv2_trackbar.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇04. Otsu阈值法/cv2_otsu_thresholding.py b/番外篇04. Otsu阈值法/cv2_otsu_thresholding.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 from matplotlib import pyplot as plt
diff --git a/番外篇05. 鼠标绘图/cv2_mouse_drawing.py b/番外篇05. 鼠标绘图/cv2_mouse_drawing.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇05. 鼠标绘图/cv2_mouse_drawing_example.py b/番外篇05. 鼠标绘图/cv2_mouse_drawing_example.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇05. 鼠标绘图/cv2_mouse_drawing_exercise1.py b/番外篇05. 鼠标绘图/cv2_mouse_drawing_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇05. 鼠标绘图/cv2_mouse_drawing_exercise2.py b/番外篇05. 鼠标绘图/cv2_mouse_drawing_exercise2.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇06. 亮度与对比度/cv2_contrast_brightness.py b/番外篇06. 亮度与对比度/cv2_contrast_brightness.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇06. 亮度与对比度/cv2_exercise1.py b/番外篇06. 亮度与对比度/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇07. 卷积基础(图片边框)/cv2_border_convolution.py b/番外篇07. 卷积基础(图片边框)/cv2_border_convolution.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇08. 图像梯度/cv2_image_gradient.py b/番外篇08. 图像梯度/cv2_image_gradient.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇09. 轮廓层级/cv2_exercise1.py b/番外篇09. 轮廓层级/cv2_exercise1.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 import numpy as np
diff --git a/番外篇09. 轮廓层级/cv2_understand_hierarchy.py b/番外篇09. 轮廓层级/cv2_understand_hierarchy.py
@@ -1,4 +1,4 @@
-# More: http://ex2tron.top
+# More: http://ex2tron.wang
 
 import cv2
 
