Combining video mosaic and edge overlap techniques for condensing information in a video clip to a single frame

Yujin Zhang; Tianli Yu

doi:10.1117/12.477074

31 July 2002 Combining video mosaic and edge overlap techniques for condensing information in a video clip to a single frame

Yujin Zhang, Tianli Yu

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Proceedings Volume 4875, Second International Conference on Image and Graphics; (2002) https://doi.org/10.1117/12.477074
Event: Second International Conference on Image and Graphics, 2002, Hefei, China

Abstract

A method for summarizing the information of a video clip into a single image is proposed. Two kinds of information in video clips can be distinguished, one is related to background contents and other is related to foreground object motion. For condensing foreground object motion information, a new technique based on edge overlap is described. The edges of moving objects in a set of consecutive frames are detected and then suitably overlapped on the composite background to show the movement of objects along time axis. The background variation caused by camera motion is captured and different scenes are connected using video mosaic technique. By combined use of video mosaic and edge overlap techniques, a VM&EO frame is generated, which sums up both the background contents and object motion information. Thus, such a frame can be used to represent the video clip in a compact and meaningful way. This will greatly save people's time for viewing the whole video clip to capture the necessary motion information in the video browsing and retrieval systems as well as other applications.

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Yujin Zhang and Tianli Yu "Combining video mosaic and edge overlap techniques for condensing information in a video clip to a single frame", Proc. SPIE 4875, Second International Conference on Image and Graphics, (31 July 2002); https://doi.org/10.1117/12.477074

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KEYWORDS

Video

Cameras

Motion estimation

Distortion

Edge detection

Motion models

Sensors

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