一、opencv 读取jpeg2000 图片使报错：
_jpeg2000.cpp:104: error: (-213:The function/feature is not implemented) imgcodecs: Jasper (JPEG-2000) codec is disabled. You can enable it via 'OPENCV_IO_ENABLE_JASPER' option
二、解决办法：
os.environ['OPENCV_IO_ENABLE_JASPER']= 'true'
参考链接：https://github.com/opencv/opencv/issues/14058