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2014-04-18 02:34:39 -0500 | commented answer | Cannot extract image from *.bag OK. I have figured it out.Thanks again!! ;) |
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2014-04-18 02:25:09 -0500 | commented answer | Cannot extract image from *.bag Thanks a lot! It worked! But as for other 2 compressed image topic (IMAGE_COLOR,DEPTHCOMPRESSED), what correlations do they have with the image_raw/compressed? |
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2014-04-17 14:08:42 -0500 | asked a question | Cannot extract image from *.bag I am using Fuerte to extract images from my bag file, here's my bag file info: I followed the tutorial and wrote my launch file as following: When I run my launch file, I get I searched on internet and they say it's about image_transport, but I am quite new to ROS, so there are some questions I did not understand: 1. I should extract image sequences from the bag file, but I do not know which topic I should extract, as you can see, there are RAW,COLOR,DEPTH 3 types of compressed images, should I export them all? 2. My launch file is to extract RAW image from bagfile and I do not know how to fix the error, it's about conversion between compressed image and image, so how should I revise my launch file? Thank you guys! |