Add track_id to CVAT for Images, correct importing tracks from CVAT for Images

[jeethesh-pai]

          Was this problem solved ? I am facing the same problem with CVAT 2.3 version. I would like to get the filename of the frame instead of frame numbers.

Inclusion of image name/path would be helpful because, we dont know how the images are stored in ascending or descending order in cvat folder. We just receive frame numbers from export, which is unclear and non-descriptive.

Thanks

Originally posted by @jeethesh-pai in #4502 (comment)

[bsekachev]

Please, use CVAT for Images.
CVAT for Video is supposed to be used for .. videos.

[jeethesh-pai]

But i need track id also. As far as I saw, CVAT for images do not support Track ID feature

[bsekachev]

There were request to add track_id attribute to CVAT for Images format. Would it be a solution?

[jeethesh-pai]

I think it might. I tried exporting annotations using COCO format, i got track_id in the attributes section of the annotation like this.

But if try uploading the same back to CVAT using COCO format. Each Box is considered as a different track. I am afraid the same might happen with CVAT for images too.

[bsekachev]

For now you may try Datumaro format.

[jeethesh-pai]

Can you otherwise tell me in what order are the frames numbered, if we export it using the CVAT for Videos format. Is it sorted based on filename? or can we give a sort function for it?

[jeethesh-pai]

For now you may try Datumaro format.

Datumaro also has the same problem as importing COCO with track attributes. Each box is considered as a new track, even though there is a track attribute in annotation section.

[bsekachev]

Just tried, it restored tracks on current develop branch.

[jeethesh-pai]

Oh I forgot to mention I was using CVAT 2.3 version. Which format worked Datumaro or COCO? Also, does the current master branch have the same feature?

[jeethesh-pai]

@bsekachev
Seems like we can change the sorting of images during task upload. There were options like Lexicological etc.
When I chose Natural, My images seems to be sorted as the way i wanted. If the sorting is correct then, the trackID frame numbers behave just like what I want.

[bsekachev]

Oh I forgot to mention I was using CVAT 2.3 version. Which format worked Datumaro or COCO? Also, does the current master branch have the same feature?

Probably, yes. Anyway we will make new release these days.

[jeethesh-pai]

That would be helpful. Thanks

[zhiltsov-max]

Hi,

This wasn't supposed to work with this format, as there is the CVAT for video, designed to support tracks specifically. However, as we added this in other image-based formats, such as VOC as COCO, and supported track import in those cases, we can align behavior here as well, and include track_id attributes in CVAT for images, when tracks are exported.