[ros-users] getting images from a bag
Victor Eruhimov
relrotciv at googlemail.com
Mon May 31 11:37:12 UTC 2010
There is extract_images node in image_view that does exactly the same as image_view node, but instead of showing an image it saves it to a jpg file. I believe Patrick wrote image_saver (also in image_view) that does something similar. I suggest this functionality should reside somewhere in rxbag.
Best Regards, Victor
On May 31, 2010, at 10:05 AM, Kurt Konolige wrote:
> Hmm, that's a little old, and only works for the old topic "raw_stereo",
> which doesn't exist in current ROS. I can probably munge it to work
> with new topics, though.
>
> Cheers --Kurt
>
> On 5/30/2010 9:09 PM, Jeremy Leibs wrote:
>> I have not used it, but there is a script called "bag2png.py" in
>> rosrecord. I expect it will do what you want.
>>
>> On Sun, May 30, 2010 at 9:06 PM, Kurt Konolige
>> <konolige at willowgarage.com> wrote:
>>> Sorry if this has already been covered -
>>>
>>> Any way to take the images from a bag file and put them into normal
>>> PNG-type files in a directory?
>>>
>>> Cheers --Kurt
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