There are many approaches for motion detection in continuous video streams. All of them are based on comparison of current video frame with one from the previous frames or with something that we ll call background. In this article I ll try to describ

建立CDib和CDdb类处理设备无关位图，设备相关位图，支持1、4、8、24、32位等位图的转换和显示，有详细解释-Establish CDib and CDdb class handling device-independent bitmap, device-dependent bitmap, bitmap, etc. to support 1,4,8,24,32-bit conversion and display, with detailed explanations