Image coding using a colored pattern appearance model

Guoping Qiu

doi:10.1117/12.411868

29 December 2000 Image coding using a colored pattern appearance model

Guoping Qiu

Proceedings Volume 4310, Visual Communications and Image Processing 2001; (2000) https://doi.org/10.1117/12.411868
Event: Photonics West 2001 - Electronic Imaging, 2001, San Jose, CA, United States

Abstract

With desktop imaging devices becoming ubiquitous, effectively managing the images in large collections has become a challenge. The requirements for a modern imaging system now demand not only efficient storage (low bit rate coding), but also easy manipulation, indexing and retrieval of images. In this paper, we introduce a new method for color image coding based on a visual appearance model of local color image patterns. The visual appearance of small image patterns is characterized by their spatial pattern, color direction and local energy strength. To encode the local visual appearance, an approach based on vector quantization (VQ) is introduced. A separate VQ is designed for the spatial pattern and color direction respectively. It is shown that the method not only achieves good image coding results in terms of rate distortion criterion, it also enables content-based retrieval to be performed in the compressed domain easily and conveniently.

Citation Download Citation

Guoping Qiu "Image coding using a colored pattern appearance model", Proc. SPIE 4310, Visual Communications and Image Processing 2001, (29 December 2000); https://doi.org/10.1117/12.411868

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