Video segmentation based on adaptive combination of multiple features according to MPEG-4

Datchakorn Tancharoen; Somchai Jitapunkul; Panachit Kittipanya-ngam; Narin Siritaranukul

doi:10.1117/12.386608

30 May 2000 Video segmentation based on adaptive combination of multiple features according to MPEG-4

Datchakorn Tancharoen, Somchai Jitapunkul, Panachit Kittipanya-ngam, Narin Siritaranukul

Proceedings Volume 4067, Visual Communications and Image Processing 2000; (2000) https://doi.org/10.1117/12.386608
Event: Visual Communications and Image Processing 2000, 2000, Perth, Australia

Abstract

Video segmentation for object based video coding according to MPEG-4 should be able to segment interested objects in video sequence clearly. This paper presents the object segmentation algorithm which image features are combined to use in segmentation process following to characteristic of video signal. Because the combination of many features in video sequence is a method that can achieve high quality object segmentation. In addition, this algorithm is an adaptive method that many parameters can be adjusted in order to give clearly segmentation. The significant features are used in segmentation process including color, motion vector and change information. A fast shortest spanning tree algorithm is adapted to use for fast segmenting image boundary. Motion vectors are estimated and searched by thresholding hierarchical block matching which want quite low computation and give a few groups of motion vectors. The change information is used to detect moving objects that can separate between moving objects and static background. After that, each feature will be considered in segmentation decision process to segment interested objects. Then the post processing refines the final segmentation. The results from many test sequences have good quality and show object boundary clearly.

Citation Download Citation

Datchakorn Tancharoen, Somchai Jitapunkul, Panachit Kittipanya-ngam, and Narin Siritaranukul "Video segmentation based on adaptive combination of multiple features according to MPEG-4", Proc. SPIE 4067, Visual Communications and Image Processing 2000, (30 May 2000); https://doi.org/10.1117/12.386608

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KEYWORDS

Image segmentation

Video

Video coding

Image processing algorithms and systems

Image processing

Convolution

Image compression

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