img2bag 1.img转bag，单topic 指定image路径, 生成的bag名,时间戳路径, 然后运行. python img2bag.py /your_directory/images/ output.bag /your_directory/times.txt 2.img转bag，俩topic 指定image路径, 生成的bag名,时间戳路径, 然后运行. python img2bag_Stereo.py /your_directory/images/ output.bag /your_directory/times.txt