New video object segmentation technique based on flow-thread features for MPEG-4 and multimedia systems

Ho-Chao Huang; Yung-Chieh Lin; Yi-Ping Hung; Chiou-Shann Fuh

doi:10.1117/12.382953

19 April 2000 New video object segmentation technique based on flow-thread features for MPEG-4 and multimedia systems

Ho-Chao Huang, Yung-Chieh Lin, Yi-Ping Hung, Chiou-Shann Fuh

Proceedings Volume 3974, Image and Video Communications and Processing 2000; (2000) https://doi.org/10.1117/12.382953
Event: Electronic Imaging, 2000, San Jose, CA, United States

Abstract

In this paper, we present a novel technique for video object (VO) segmentation. Compared to the existing VO segmentation methods, our method has the advantage that it does not decompose the VO segmentation problem into an initial image segmentation problem (segmenting a single image frame) followed by a temporal tracking problem. Instead, motion information contained in a finite duration of the image sequence is considered simultaneously. Given a video sequence, our method first estimates motion vectors between consecutive images, and then constructs the flow-thread for each pixel based on the estimated motion vectors. Here, a flow-thread is a series of pixels obtained by tracing the motion vectors along the image sequence. Next, we extract a set of flow- thread features (ft-features) from each flow-thread, which is then used to classify the associated pixel into the VO it belongs to. The segmentation results obtained by our unsupervised method look promising and the processing speed is fast enough for practical uses.

Citation Download Citation

Ho-Chao Huang, Yung-Chieh Lin, Yi-Ping Hung, and Chiou-Shann Fuh "New video object segmentation technique based on flow-thread features for MPEG-4 and multimedia systems", Proc. SPIE 3974, Image and Video Communications and Processing 2000, (19 April 2000); https://doi.org/10.1117/12.382953

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