images from camera trap videos

[julia salvador]

Hello, does somebody know or have used any program or software that can create images from the camera trap videos videos?

Thanks

[jorge]

Hello Julia,

You can use package av in R and the function av_video_images() in that package. The easiest thing to di is to set the frame rate = 1 so you get one image per second.

One issue is that the resulting images are missing the original timestamp from the video. However, the creation date/time of the video can be extracted from the original video using the exif_read()  function from the exiftoolr package (tag = "CreateDate"). Then it would be relatively easy to add that information to each image generated from the video using exif_call and a simple script in R.

Ideally, we would have an application to do all this for people's videos, so we might develop something in the near future.

Best,

Jorge