getFrame: Grab a specific frame from a video
In swarm-lab/videoplayR: Functions to process video and image files with R

Description Usage Arguments Details Value See Also Examples

This function grabs a specific frame from a vpVideo object and returns a vpImage object that can be manipulated using the videoplayR image and video manipulation toolbox.

1	getFrame(video, frame)

`video`	The vpVideo object from which the frame should be grabbed.
`frame`	The position in the video of the frame to be grabbed.

The vpImage object created by the grabFrame function is not a persistent object, but a pointer to a C++ object that cannot be saved for reuse in a different session.

This function returns a vpImage object.

readVid, vpVideo, vpImage

1 2 3 4	filename <- system.file("sample_vid/SampleVideo_1080x720_5mb.mp4", package = "videoplayR") vid <- readVid(filename) frame <- getFrame(vid, 1) imshow(frame)