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-rw-r--r--zh-cn/opencv-cn.html.markdown88
1 files changed, 44 insertions, 44 deletions
diff --git a/zh-cn/opencv-cn.html.markdown b/zh-cn/opencv-cn.html.markdown
index 2932e586..596430f6 100644
--- a/zh-cn/opencv-cn.html.markdown
+++ b/zh-cn/opencv-cn.html.markdown
@@ -8,18 +8,18 @@ translators:
- ["GengchenXU", "https://github.com/GengchenXU"]
lang: zh-cn
---
-### Opencv
-Opencv(开源计算机视觉)是一个编程功能库,主要面向实时计算机视觉。最初由英特尔开发,后来由Willow Garage,然后Itseez(后来被英特尔收购)支持。Opencv 目前支持多种语言,如C++、Python、Java 等
+OpenCV(开源计算机视觉)是一个编程功能库,主要面向实时计算机视觉。最初由英特尔开发,后来由Willow Garage,然后Itseez(后来被英特尔收购)支持。OpenCV 目前支持多种语言,如C++、Python、Java 等
#### 安装
+
有关在计算机上安装 OpenCV,请参阅这些文章。
-* Windows 安装说明: [https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_setup/py_setup_in_windows/py_setup_in_windows.html#install-opencv-python-in-windows]()
-* Mac 安装说明 (High Sierra): [https://medium.com/@nuwanprabhath/installing-opencv-in-macos-high-sierra-for-python-3-89c79f0a246a]()
-* Linux 安装说明 (Ubuntu 18.04): [https://www.pyimagesearch.com/2018/05/28/ubuntu-18-04-how-to-install-opencv]()
+* [Windows 安装说明](https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_setup/py_setup_in_windows/py_setup_in_windows.html#install-opencv-python-in-windows)
+* [Mac 安装说明](https://medium.com/@nuwanprabhath/installing-opencv-in-macos-high-sierra-for-python-3-89c79f0a246a) (High Sierra)
+* [Linux 安装说明](https://www.pyimagesearch.com/2018/05/28/ubuntu-18-04-how-to-install-opencv) (Ubuntu 18.04)
-### 在这里,我们将专注于 OpenCV 的 python 实现
+### 在这里,我们将专注于 OpenCV 的 Python 实现
```python
# OpenCV读取图片
@@ -28,14 +28,14 @@ img = cv2.imread('cat.jpg')
# 显示图片
# imshow() 函数被用来显示图片
-cv2.imshow('Image',img)
+cv2.imshow('Image', img)
# 第一个参数是窗口的标题,第二个参数是image
# 如果你得到错误,对象类型为None,你的图像路径可能是错误的。请重新检查图像包
cv2.waitKey(0)
# waitKey() 是一个键盘绑定函数,参数以毫秒为单位。对于GUI事件,必须使用waitKey()函数。
# 保存图片
-cv2.imwrite('catgray.png',img)
+cv2.imwrite('catgray.png', img)
# 第一个参数是文件名,第二个参数是图像
# 转换图像灰度
@@ -43,11 +43,11 @@ gray_image = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
# 从摄像头捕捉视频
cap = cv2.VideoCapture(0)
-#0 是你的相机,如果你有多台相机,你需要输入他们的id
-while(True):
+# 0 是你的相机,如果你有多台相机,你需要输入他们的id
+while True:
# 一帧一帧地获取
_, frame = cap.read()
- cv2.imshow('Frame',frame)
+ cv2.imshow('Frame', frame)
# 当用户按下q ->退出
if cv2.waitKey(1) & 0xFF == ord('q'):
break
@@ -56,54 +56,54 @@ cap.release()
# 在文件中播放视频
cap = cv2.VideoCapture('movie.mp4')
-while(cap.isOpened()):
+while cap.isOpened():
_, frame = cap.read()
# 灰度播放视频
gray = cv2.cvtColor(frame, cv2.COLOR_BGR2GRAY)
- cv2.imshow('frame',gray)
+ cv2.imshow('frame', gray)
if cv2.waitKey(1) & 0xFF == ord('q'):
break
cap.release()
# 在OpenCV中画线
-# cv2.line(img,(x,y),(x1,y1),(color->r,g,b->0 to 255),thickness)(注 color颜色rgb参数 thickness粗细)
-cv2.line(img,(0,0),(511,511),(255,0,0),5)
+# cv2.line(img, (x,y), (x1,y1), (color->r,g,b->0 to 255), thickness)(注 color颜色rgb参数 thickness粗细)
+cv2.line(img, (0, 0), (511, 511), (255, 0, 0), 5)
# 画矩形
-# cv2.rectangle(img,(x,y),(x1,y1),(color->r,g,b->0 to 255),thickness)
+# cv2.rectangle(img, (x,y), (x1,y1), (color->r,g,b->0 to 255), thickness)
# 粗细= -1用于填充矩形
-cv2.rectangle(img,(384,0),(510,128),(0,255,0),3)
+cv2.rectangle(img, (384, 0), (510, 128), (0, 255, 0), 3)
# 画圆
-cv2.circle(img,(xCenter,yCenter), radius, (color->r,g,b->0 to 255), thickness)
-cv2.circle(img,(200,90), 100, (0,0,255), -1)
+# cv2.circle(img, (xCenter,yCenter), radius, (color->r,g,b->0 to 255), thickness)
+cv2.circle(img, (200, 90), 100, (0, 0, 255), -1)
# 画椭圆
-cv2.ellipse(img,(256,256),(100,50),0,0,180,255,-1)
+cv2.ellipse(img, (256, 256), (100, 50), 0, 0, 180, 255, -1)
# 在图像上增加文字
-cv2.putText(img,"Hello World!!!", (x,y), cv2.FONT_HERSHEY_SIMPLEX, 2, 255)
+cv2.putText(img, "Hello World!!!", (x, y), cv2.FONT_HERSHEY_SIMPLEX, 2, 255)
# 合成图像
img1 = cv2.imread('cat.png')
img2 = cv2.imread('openCV.jpg')
-dst = cv2.addWeighted(img1,0.5,img2,0.5,0)
+dst = cv2.addWeighted(img1, 0.5, img2, 0.5, 0)
# 阈值图像
# 二进制阈值
-_,thresImg = cv2.threshold(img,127,255,cv2.THRESH_BINARY)
+_, thresImg = cv2.threshold(img, 127, 255, cv2.THRESH_BINARY)
# Adaptive Thresholding
-adapThres = cv2.adaptiveThreshold(img,255,cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY,11,2)
+adapThres = cv2.adaptiveThreshold(img, 255, cv2.ADAPTIVE_THRESH_GAUSSIAN_C, cv2.THRESH_BINARY, 11, 2)
# 模糊的形象
# 高斯模糊
-blur = cv2.GaussianBlur(img,(5,5),0)
+blur = cv2.GaussianBlur(img, (5, 5), 0)
# 模糊中值
-medianBlur = cv2.medianBlur(img,5)
+medianBlur = cv2.medianBlur(img, 5)
# Canny 边缘检测
-img = cv2.imread('cat.jpg',0)
-edges = cv2.Canny(img,100,200)
+img = cv2.imread('cat.jpg', 0)
+edges = cv2.Canny(img, 100, 200)
# 用Haar Cascades进行人脸检测
# 下载 Haar Cascades 在 https://github.com/opencv/opencv/blob/master/data/haarcascades/
@@ -116,30 +116,30 @@ img = cv2.imread('human.jpg')
gray = cv2.cvtColor(img, cv2.COLOR_BGR2GRAY)
aces = face_cascade.detectMultiScale(gray, 1.3, 5)
-for (x,y,w,h) in faces:
- cv2.rectangle(img,(x,y),(x+w,y+h),(255,0,0),2)
- roi_gray = gray[y:y+h, x:x+w]
- roi_color = img[y:y+h, x:x+w]
+for x, y, w, h in faces:
+ cv2.rectangle(img, (x, y), (x + w, y + h), (255, 0, 0), 2)
+ roi_gray = gray[y : y + h, x : x + w]
+ roi_color = img[y : y + h, x : x + w]
eyes = eye_cascade.detectMultiScale(roi_gray)
- for (ex,ey,ew,eh) in eyes:
- cv2.rectangle(roi_color,(ex,ey),(ex+ew,ey+eh),(0,255,0),2)
+ for ex, ey, ew, eh in eyes:
+ cv2.rectangle(roi_color, (ex, ey), (ex + ew, ey + eh), (0, 255, 0), 2)
-cv2.imshow('img',img)
+cv2.imshow('img', img)
cv2.waitKey(0)
cv2.destroyAllWindows()
-# destroyAllWindows() destroys all windows.
+# destroyAllWindows() destroys all windows.
# 如果您希望销毁特定窗口,请传递您创建的窗口的确切名称。
```
### 进一步阅读:
-* Download Cascade from [https://github.com/opencv/opencv/blob/master/data/haarcascades]()
-* OpenCV 绘图函数 [https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html]()
-* 最新的语言参考 [https://opencv.org]()
-* 更多的资源 [https://en.wikipedia.org/wiki/OpenCV]()
+* Download Cascade from [https://github.com/opencv/opencv/blob/master/data/haarcascades](https://github.com/opencv/opencv/blob/master/data/haarcascades)
+* OpenCV 绘图函数 [https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html](https://docs.opencv.org/2.4/modules/core/doc/drawing_functions.html)
+* 最新的语言参考 [https://opencv.org](https://opencv.org)
+* 更多的资源 [https://en.wikipedia.org/wiki/OpenCV](https://en.wikipedia.org/wiki/OpenCV)
* 优秀的的 OpenCV 教程
- * [https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_tutorials.html]()
- * [https://realpython.com/python-opencv-color-spaces]()
- * [https://pyimagesearch.com]()
- * [https://www.learnopencv.com]()
+ * [https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_tutorials.html](https://opencv-python-tutroals.readthedocs.io/en/latest/py_tutorials/py_tutorials.html)
+ * [https://realpython.com/python-opencv-color-spaces](https://realpython.com/python-opencv-color-spaces)
+ * [https://pyimagesearch.com](https://pyimagesearch.com)
+ * [https://www.learnopencv.com](https://www.learnopencv.com)