11# OpenCV 4.0 Tutorial
22[ ![ ] ( https://img.shields.io/badge/opencv-v4.0.0-orange.svg )] ( https://opencv.org/ ) [ ![ ] ( https://img.shields.io/badge/opencv-tutorial-brightgreen.svg )] ( https://docs.opencv.org/4.0.0/d9/df8/tutorial_root.html )
3+
4+ ✒️ [ 中文版本] ( ./README_CN.md )
35## Introduction
46
57This repository contains source code of OpenCV Tutorial application, the environment is python3.0 and opencv4.0.
@@ -15,82 +17,88 @@ cv2.imshow("input", src)
1517cv2.waitKey(0 )
1618cv2.destroyAllWindows()
1719```
20+ <div align =center ><img src =" https://i.loli.net/2019/05/22/5ce4b40258c9155103.jpg " width =200 ></div >
21+
1822- Gray Image
1923``` python
2024gray = cv2.cvtColor(src, cv.COLOR_BGR2GRAY )
2125```
26+
27+ <div align =center ><img src =https://i.loli.net/2019/05/22/5ce4b2ae1e7ce86434.png width =100 > <img src =https://i.loli.net/2019/05/22/5ce4b2ae220a248459.png width =100 ></div >
2228---
23- ** More opencv4.0 tutorials plese follow the learning road as below** 👇👇👇
29+ *** More opencv4.0 tutorials plese follow the learning road as below* **
2430
2531## Learning Road ⛳️
26- - ✔️ : ** Basic**
27- - ✏️ : ** Attention**
28- - ❣️ : ** Important**
32+
33+ *** Annotation:***
34+ - ✔️ ** : Basic**
35+ - ✏️ ** : Attention**
36+ - ❣️ ** : Important**
2937
3038No | Description | Annotation
3139:--------: | :--------: | :--------:
32- code_001 | [ 图片读取与显示 ] ( python/code_001/opencv_001.py ) | ✔️
33- code_002 | [ 图片灰度化 ] ( python/code_002/opencv_002.py ) | ✔️
34- code_003 | [ 图像创建与赋值 ] ( python/code_003/opencv_003.py ) | ✔️
35- code_004 | [ 图像像素读写 ] ( python/code_004/opencv_004.py ) | ✔️
36- code_005 | [ 图像像素算术操作(加减乘除) ] ( python/code_005/opencv_005.py ) | ✔️
37- code_006 | [ 图像伪彩色增强 ] ( python/code_006/opencv_006.py ) | ✔️
38- code_007 | [ 图像像素操作(逻辑操作 )] ( python/code_007/opencv_007.py ) | ✔️
39- code_008 | [ 图像通道分离合并 ] ( python/code_008/opencv_008.py ) | ✔️
40- code_009 | [ 色彩空间与色彩空间转换 ] ( python/code_009/opencv_009.py ) | ✏️
41- code_010 | [ 图像像素值统计 ] ( python/code_010/opencv_010.py ) | ✔️
42- code_011 | [ 图像像素归一化 ] ( python/code_011/opencv_011.py ) | ✔️
43- code_012 | [ 视频读写 ] ( python/code_012/opencv_012.py ) | ✔️
44- code_013 | [ 图像翻转 ] ( python/code_013/opencv_013.py ) | ✔️
45- code_014 | [ 图像插值 ] ( python/code_014/opencv_014.py ) | ✔️
46- code_015 | [ 绘制几何形状 ] ( python/code_015/opencv_015.py ) | ✔️
47- code_016 | [ 图像ROI与ROI操作 ] ( python/code_016/opencv_016.py ) | ✔️
48- code_017 | [ 图像直方图 ] ( python/code_017/opencv_017.py ) | ✔️
49- code_018 | [ 图像直方图均衡化 ] ( python/code_018/opencv_018.py ) | ✏️
50- code_019 | [ 图像直方图比较 ] ( python/code_019/opencv_019.py ) | ✔️
51- code_020 | [ 图像直方图反向投影 ] ( python/code_020/opencv_020.py ) | ✔️
52- code_021 | [ 图像卷积操作 ] ( python/code_021/opencv_021.py ) | ✔️
53- code_022 | [ 图像均值与高斯模糊 ] ( python/code_022/opencv_022.py ) | ❣️
54- code_023 | [ 中值模糊 ] ( python/code_023/opencv_023.py ) | ✔️
55- code_024 | [ 图像噪声 ] ( python/code_024/opencv_024.py ) | ✔️
56- code_025 | [ 图像去噪声 ] ( python/code_025/opencv_025.py ) | ✔️
57- code_026 | [ 高斯双边模糊 ] ( python/code_026/opencv_026.py ) | ✔️
58- code_027 | [ 均值迁移模糊(mean -shift blur )] ( python/code_027/opencv_027.py ) | ✔️
59- code_028 | [ 图像积分图算法 ] ( python/code_028/opencv_028.py ) | ✔️
60- code_029 | [ 快速的图像边缘滤波算法 ] ( python/code_029/opencv_029.py ) | ✔️
61- code_030 | [ 自定义滤波器 ] ( python/code_030/opencv_030.py ) | ✔️
62- code_031 | [ Sobel算子 ] ( python/code_031/opencv_031.py ) | ✔️
63- code_032 | [ 更多梯度算子 ] ( python/code_032/opencv_032.py ) | ✔️
64- code_033 | [ 拉普拉斯算子(二阶导数算子) ] ( python/code_033/opencv_033.py ) | ✔️
65- code_034 | [ 图像锐化 ] ( python/code_034/opencv_034.py ) | ✔️
66- code_035 | [ USM 锐化增强算法 ] ( python/code_035/opencv_035.py ) | ✔️
67- code_036 | [ Canny边缘检测器 ] ( python/code_036/opencv_036.py ) | ❣️
68- code_037 | [ 图像金字塔 ] ( python/code_037/opencv_037.py ) | ✔️
69- code_038 | [ 拉普拉斯金字塔 ] ( python/code_038/opencv_038.py ) | ✔️
70- code_039 | [ 图像模板匹配 ] ( python/code_039/opencv_039.py ) | ✔️
71- code_040 | [ 二值图像介绍 ] ( python/code_040/opencv_040.py ) | ✔️
72- code_041 | [ 基本阈值操作 ] ( python/code_041/opencv_041.py ) | ✔️
73- code_042 | [ 图像二值寻找法OTSU ] ( python/code_042/opencv_042.py ) | ✏️
74- code_043 | [ 图像二值寻找法TRIANGLE ] ( python/code_043/opencv_043.py ) | ✔️
75- code_044 | [ 图像自适应阈值算法 ] ( python/code_044/opencv_044.py ) | ✏️
76- code_045 | [ 图像二值与去噪 ] ( python/code_045/opencv_045.py ) | ✏️
77- code_046 | [ 图像连通组件寻找 ] ( python/code_046/opencv_046.py ) | ✔️
78- code_047 | [ 图像连通组件状态统计 ] ( python/code_047/opencv_047.py ) | ✔️
79- code_048 | [ 轮廓寻找 ] ( python/code_048/opencv_048.py ) | ❣️
80- code_049 | [ 轮廓外接矩形 ] ( python/code_049/opencv_049.py ) | ❣️
81- code_050 | [ 轮廓矩形面积与弧长 ] ( python/code_050/opencv_050.py ) | ✏️
82- code_051 | [ 轮廓逼近 ] ( python/code_051/opencv_051.py ) | ✔️
83- code_052 | [ 几何矩计算中心 ] ( python/code_052/opencv_052.py ) | ✔️
84- code_053 | [ 使用Hu矩阵实现轮廓匹配 ] ( python/code_053/opencv_053.py ) | ✔️
85- code_054 | [ 轮廓圆与椭圆拟合 ] ( python/code_054/opencv_054.py ) | ✔️
86- code_055 | [ 凸包检测 ] ( python/code_055/opencv_055.py ) | ✏️
87- code_056 | [ 直线拟合与极值点寻找 ] ( python/code_056/opencv_056.py ) | ✔️
88- code_057 | [ 点多边形测试 ] ( python/code_057/opencv_057.py ) | ✔️
89- code_058 | [ 寻找最大内接圆 ] ( python/code_058/opencv_058.py ) | ✔️
90- code_059 | [ 霍夫曼直线检测 ] ( python/code_059/opencv_059.py ) | ✔️
91- code_060 | [ 概率霍夫曼直线检测 ] ( python/code_060/opencv_060.py ) | ❣️
92- code_061 | [ 霍夫曼圆检测 ] ( python/code_061/opencv_061.py ) | ❣️
93- code_062 | [ 膨胀和腐蚀 ] ( python/code_062/opencv_062.py ) | ❣️
94- code_063 | [ 结构元素 ] ( python/code_063/opencv_063.py ) | ✔️
95- code_064 | [ 开运算 ] ( python/code_064/opencv_064.py ) | ✏️
96- code_065 | [ 闭运算 ] ( python/code_065/opencv_065.py ) | ✏️
40+ code_001 | [ Load Image ] ( python/code_001/opencv_001.py ) | ✔️
41+ code_002 | [ Gray Image ] ( python/code_002/opencv_002.py ) | ✔️
42+ code_003 | [ Image Create ] ( python/code_003/opencv_003.py ) | ✔️
43+ code_004 | [ Pixel Read and Write ] ( python/code_004/opencv_004.py ) | ✔️
44+ code_005 | [ Image Pixel Arithmetic Operations ] ( python/code_005/opencv_005.py ) | ✔️
45+ code_006 | [ Image Pseudo-Color Enhancement ] ( python/code_006/opencv_006.py ) | ✔️
46+ code_007 | [ Image Pixel Operation (Logical Operation )] ( python/code_007/opencv_007.py ) | ✔️
47+ code_008 | [ Image Channel Separation and Merging ] ( python/code_008/opencv_008.py ) | ✔️
48+ code_009 | [ Color Space Conversion ] ( python/code_009/opencv_009.py ) | ✏️
49+ code_010 | [ Image Pixel Value Statistics ] ( python/code_010/opencv_010.py ) | ✔️
50+ code_011 | [ Image Pixel Normalization ] ( python/code_011/opencv_011.py ) | ✔️
51+ code_012 | [ Video Read and Write ] ( python/code_012/opencv_012.py ) | ✔️
52+ code_013 | [ Image Flip ] ( python/code_013/opencv_013.py ) | ✔️
53+ code_014 | [ Image Interpolation ] ( python/code_014/opencv_014.py ) | ✔️
54+ code_015 | [ Draw Geometry ] ( python/code_015/opencv_015.py ) | ✔️
55+ code_016 | [ ROI of Image ] ( python/code_016/opencv_016.py ) | ✔️
56+ code_017 | [ Image Histogram ] ( python/code_017/opencv_017.py ) | ✔️
57+ code_018 | [ Histogram Dqualization ] ( python/code_018/opencv_018.py ) | ✏️
58+ code_019 | [ Histogram Comparison ] ( python/code_019/opencv_019.py ) | ✔️
59+ code_020 | [ Histogram Backprojection ] ( python/code_020/opencv_020.py ) | ✔️
60+ code_021 | [ Image Convolution ] ( python/code_021/opencv_021.py ) | ✔️
61+ code_022 | [ Averaging and Gaussian Blur ] ( python/code_022/opencv_022.py ) | ❣️
62+ code_023 | [ Median Blur ] ( python/code_023/opencv_023.py ) | ✔️
63+ code_024 | [ Image Noise ] ( python/code_024/opencv_024.py ) | ✔️
64+ code_025 | [ Smoothing Images ] ( python/code_025/opencv_025.py ) | ✔️
65+ code_026 | [ Gaussian Bilateral Blur ] ( python/code_026/opencv_026.py ) | ✔️
66+ code_027 | [ Mean -shift Blur )] ( python/code_027/opencv_027.py ) | ✔️
67+ code_028 | [ Image Integral Algorithm ] ( python/code_028/opencv_028.py ) | ✔️
68+ code_029 | [ Fast Image Edge Filtering Algorithm ] ( python/code_029/opencv_029.py ) | ✔️
69+ code_030 | [ Custom Filter ] ( python/code_030/opencv_030.py ) | ✔️
70+ code_031 | [ Sobel Operator ] ( python/code_031/opencv_031.py ) | ✔️
71+ code_032 | [ More Gradient Operators ] ( python/code_032/opencv_032.py ) | ✔️
72+ code_033 | [ Laplace Operator ] ( python/code_033/opencv_033.py ) | ✔️
73+ code_034 | [ Image Sharpening ] ( python/code_034/opencv_034.py ) | ✔️
74+ code_035 | [ USM Sharpen Algorithm ] ( python/code_035/opencv_035.py ) | ✔️
75+ code_036 | [ Canny Edge Detection ] ( python/code_036/opencv_036.py ) | ❣️
76+ code_037 | [ Image Pyramid ] ( python/code_037/opencv_037.py ) | ✔️
77+ code_038 | [ Laplace Pyramid ] ( python/code_038/opencv_038.py ) | ✔️
78+ code_039 | [ Image Template Matching ] ( python/code_039/opencv_039.py ) | ✔️
79+ code_040 | [ Binary introduction ] ( python/code_040/opencv_040.py ) | ✔️
80+ code_041 | [ Basic Thresholding ] ( python/code_041/opencv_041.py ) | ✔️
81+ code_042 | [ OTSU Thresholding ] ( python/code_042/opencv_042.py ) | ✏️
82+ code_043 | [ TRIANGLE Thresholding ] ( python/code_043/opencv_043.py ) | ✔️
83+ code_044 | [ Adaptive Thresholding ] ( python/code_044/opencv_044.py ) | ✏️
84+ code_045 | [ Binary and Smoothing ] ( python/code_045/opencv_045.py ) | ✏️
85+ code_046 | [ Image Connectivity component ] ( python/code_046/opencv_046.py ) | ✔️
86+ code_047 | [ Image Connected component state statistics ] ( python/code_047/opencv_047.py ) | ✔️
87+ code_048 | [ Image Contours ] ( python/code_048/opencv_048.py ) | ❣️
88+ code_049 | [ Bounding Rectangle ] ( python/code_049/opencv_049.py ) | ❣️
89+ code_050 | [ Contour Area and Perimeter ] ( python/code_050/opencv_050.py ) | ✏️
90+ code_051 | [ Contour Approximation ] ( python/code_051/opencv_051.py ) | ✔️
91+ code_052 | [ Contour Centroid Calculate ] ( python/code_052/opencv_052.py ) | ✔️
92+ code_053 | [ HuMoment for Contour Matching ] ( python/code_053/opencv_053.py ) | ✔️
93+ code_054 | [ Contour Cricle and Ellipse fitting ] ( python/code_054/opencv_054.py ) | ✔️
94+ code_055 | [ Convex Hull ] ( python/code_055/opencv_055.py ) | ✏️
95+ code_056 | [ Fitting a Line ] ( python/code_056/opencv_056.py ) | ✔️
96+ code_057 | [ Point Polygon Test ] ( python/code_057/opencv_057.py ) | ✔️
97+ code_058 | [ The Largest Inner Circle ] ( python/code_058/opencv_058.py ) | ✔️
98+ code_059 | [ Hoffman Line Detection ] ( python/code_059/opencv_059.py ) | ✔️
99+ code_060 | [ Probability Hoffman Line Detection ] ( python/code_060/opencv_060.py ) | ❣️
100+ code_061 | [ Hoffman Cricle Detection ] ( python/code_061/opencv_061.py ) | ❣️
101+ code_062 | [ Dilation and Erosion ] ( python/code_062/opencv_062.py ) | ❣️
102+ code_063 | [ Structuring Element ] ( python/code_063/opencv_063.py ) | ✔️
103+ code_064 | [ Opening Transformation ] ( python/code_064/opencv_064.py ) | ✏️
104+ code_065 | [ Closing Transformation ] ( python/code_065/opencv_065.py ) | ✏️
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