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mouse_event
- This program creates a rectangle when you click the mouse on the window, and stretches the rectangle until you release the mouse. This requires the creation of a mouse callback. For the main function we use a while loop that keeps redrawing each box
opencv-callback-draw-rectangle
- 基于Opencv，使用回调函数绘制矩形框。-Based on Opencv, using a callback function to draw a rectangle.
HK_SDK_CAM_STREAM_CHANGE
- 海康网络相机截取视频流并解压简易DEMO 调用NET_DVR_RealPlay_V30()播放函数,启用回调PlayM4_SetDecCallBack()分析回调流,使用回调函数DecCBFun()截取视频流,分析并解压,等到char * pbuf图像,用于处理-Hikvision network camera capture video stream and extracting a simple DEMO,Call (NET_DVR_RealPlay_V30())playback fun
OpenCVTest_Callback
- it s callback procedure for OpenCV
on_mouse
- openCV 中鼠标的操作，使用回调函数获取鼠标的点击动作，例子很简单，有学习价值。-openCV mouse operation, use the callback function to get the mouse click action, for example, is very simple, the value of learning.
edge
- 主要是采用Canny算法进行边缘检测，有一个个跟踪条，涉及到callback函数，对灰度图像进行边缘检测，将彩色图像转换为灰度图像-Using Canny algorithm for edge detection, a track bar relates to the callback function, for edge detection of gray image, the color image is converted to grayscale images
Multi-Camera-opencv-library
- opencv多摄象头库:支持dshow的视频采集设备，最多10个，通过回调产生24b的RGB位图。使用前请注册HYSnapshot,关于有些记录avi文件的参数，请忽略。使用方法请看demo 如果要挂接到opencv请创建一个24位的image,请一定注意将数据按行字节拷贝，-Multi-Camera opencv library: dshow video capture device supports up to 10, 24b of RGB bitmap generated by cal