图像拼接，先把RGB转化为HSL,然后拼接，再调整重叠区域亮度-Image stitching, first converted to RGB HSL, then stitching, and then adjust the brightness of the overlap region

分析图片的主色调程序 通过HSL色彩模型进行分析-Pictures of the main colors of program analysis and analyzed by HSL color model