VideoFrameList

VideoFrameList[video,n]

gives a list of n images extracted from video.

Details and Options

  • VideoFrameList can be used for sampling video frames and can be used as video summarization or for inspection.
  • The following options can be specified:
  • MethodAutomaticthe method to use
  • Possible settings for Method include:
  • "Random"randomly chosen frames
    "Uniform"uniformly spaced frames

Examples

open allclose all

Basic Examples  (1)

Extract four frames from a video:

Scope  (2)

Extract frames from a local video object:

Extract frames from a remote video file:

Options  (1)

Method  (1)

By default, uniformly sampled frames are returned from the video:

Use Method"Random" to extract frames randomly:

Applications  (1)

Create a thumbnail grid from a video:

Properties & Relations  (2)

VideoFrameList partitions the video into equal partitions and extracts the middle frame of each partition:

Use VideoExtractFrames to extract frames at specific times:

Generate a Video object with multiple video tracks:

VideoFrameList extracts frames from the first video track:

Extract frames from the second video track by selecting the track in the Video object:

Wolfram Research (2020), VideoFrameList, Wolfram Language function, https://reference.wolfram.com/language/ref/VideoFrameList.html.

Text

Wolfram Research (2020), VideoFrameList, Wolfram Language function, https://reference.wolfram.com/language/ref/VideoFrameList.html.

BibTeX

@misc{reference.wolfram_2020_videoframelist, author="Wolfram Research", title="{VideoFrameList}", year="2020", howpublished="\url{https://reference.wolfram.com/language/ref/VideoFrameList.html}", note=[Accessed: 23-January-2021 ]}

BibLaTeX

@online{reference.wolfram_2020_videoframelist, organization={Wolfram Research}, title={VideoFrameList}, year={2020}, url={https://reference.wolfram.com/language/ref/VideoFrameList.html}, note=[Accessed: 23-January-2021 ]}

CMS

Wolfram Language. 2020. "VideoFrameList." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/ref/VideoFrameList.html.

APA

Wolfram Language. (2020). VideoFrameList. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/ref/VideoFrameList.html