extracting frames from video

HiCan anyone say me how to extract disismlar frames from a videoThanks in advancekokila

[115 byte] By [kokilaaa] at [2007-11-27 5:13:12]

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# 1

what do u mean by dissimilareach frame in video is disimilarexplain

it_shailua at 2007-7-12 10:34:39 >

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# 2

by dissimlar frames i mean those frames that r not from the same scene.Message was edited by: kokilaa

kokilaaa at 2007-7-12 10:34:39 >

# 3

What is your definition of a scene ?

If a camera is not moving, you can probably do some vague matching of the background...... say if a certain percentage of pixels match up from one frame to the next.

But if the camera is moving, then every single frame will be different.

When you buy a commercial DVD, it is broken up into chapters / scenes.... but I assume that is a manual process performed by film editors.

Some DVD players have "auto-chapter", which just means that they create a chapter every X minutes regardless of the "scene".

regards,

Owen

omcgoverna at 2007-7-12 10:34:39 >

# 4

I have posted some code that goes some way towards illustrating scene change detection for video or a webcam, and it may be a useful introduction including a simplified implementation. See http://www.exactfutures.com/index02.htm to download source and examples via the scenechange2jpg.zip link.

andyblea at 2007-7-12 10:34:39 >

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extracting frames from video

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