Online video stream abstraction and stylization

Zhang, Song-Hai, Li, Xian-Ying, Hu, Shi-Min ORCID: https://orcid.org/0000-0001-7507-6542 and Martin, Ralph Robert 2011. Online video stream abstraction and stylization. IEEE Transactions on Multimedia 13 (6) , pp. 1286-1294. 10.1109/TMM.2011.2165052

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Abstract

This paper gives an automatic method for online video stream abstraction, producing a temporally coherent output video stream, in a style with large regions of constant color and highlighted bold edges. Our system includes two novel components. Firstly, to provide coherent and simplified output, we segment frames, and use optical flow to propagate segmentation information from frame to frame; an error control strategy is used to help ensure that the propagated information is reliable. Secondly, to achieve coherent and attractive coloring of the output, we use a color scheme replacement algorithm specifically designed for an online video stream. We demonstrate real-time performance for CIF videos, allowing our approach to be used for live communication and other related applications.

Item Type:	Article
Date Type:	Publication
Status:	Published
Schools:	Computer Science & Informatics
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Uncontrolled Keywords:	Abstraction, color scheme replacement, optical flow, segmentation, temporal coherence, video stream
Publisher:	IEEE
ISSN:	1520-9210
Funders:	EPSRC
Last Modified:	18 Oct 2022 13:15
URI:	https://orca.cardiff.ac.uk/id/eprint/13248

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