采集摄像头V7620数据提取灰度值在串口上显示-Collecting data extraction V7620 camera gray value displayed on the serial port

用LLE算法对视频帧进行降维处理，然后用FCM算法对其进行视频摘要关键帧提取-LLE algorithm to reduce the dimension of the video frame data dimensionality reduction, and then use the FCM algorithm for key frame extraction