Video Labeler change time between frames

Question

Hannah Rebecca 2024-5-14

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https://ww2.mathworks.cn/matlabcentral/answers/2118706-video-labeler-change-time-between-frames

回答： Cris LaPierre 2024-5-15

I am using the videolabeler to annotate timelapse videos taken with a microscope, is there any where I can change the start and end time, as well as the time between frames?

It seems like this is preset and I could not find anywhere to change it.

Thanks!

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Answer 1

Cris LaPierre 2024-5-15

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https://ww2.mathworks.cn/matlabcentral/answers/2118706-video-labeler-change-time-between-frames#answer_1458241

I imagine the times come from the video object created to load the video (see here). There isn't a way to change this in the app, as the information is encoded into the video file. Can you change how the video is written?

Rather than a timelapsed video, if you load the folder of images, you can manually set the timestamps of your video using the following syntax when launching the app:

videoLabeler(imageSeqFolder,timestamps)

Ref: https://www.mathworks.com/help/vision/ref/videolabeler-app.html#mw_f0ae9c07-beb6-4127-9fac-032cbd5a4abc