Reads an image from the infrared video stream image , uses the iterative thresholding algorithm binarize the image , uses the method of region mark to remove inface region .
从红外视频流图像中读取一帧图像,采用迭代式阈值分割的方法,对图像进行二值化处理,利用区域标记的方法去除非人脸区域。