otsu算法确定二值化阀值，最大类间方差是由日本学者大津(OTSU)于1979年提出的,是一种自适应的阈值确定的方法,又叫大津法,简称OTSU。 -In computer vision and image processing, Otsu s method is used to automatically perform histogram shape-based image thresholding,[1] or, the reduction of a graylevel image t

背景图片与前景图的相结合，使其不突兀。需要与实际相结合来实践。-Background image and foreground figure combined, so that it does not look. Need to practice with the actual combination.

最大类间法进行图像的前景和背景的分割，并进行二值化处理-Most kinds of method between the foreground and background of the image segmentation, and binarization processing

图像合成代码，将两幅图像合成为一幅图像，一张图像为前景，另一张图像为背景-Image synthesis code, the two images combined into one image, an image for the foreground, another image as the background