Fast image colourisation based on twin-codebook vector quantisation

被引：2
|
作者：
Yu, F. -X. [1 ]
Liu, B. -B. [2 ]
Lu, Z. -M. [1 ]
机构：
[1] Zhejiang Univ, Sch Aeronaut & Astronaut, Hangzhou 310027, Peoples R China
[2] Sun Yat Sen Univ, Sch Informat Sci & Technol, Guangzhou 510275, Guangdong, Peoples R China
来源：
ELECTRONICS LETTERS | 2010年 / 46卷 / 02期
关键词：
COLOR;
D O I：
10.1049/el.2010.1657
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A novel colourisation scheme for grey-level images based on twin-codebook vector quantisation (TBVQ) is presented. Different from the traditional vector quantiser with the same codebook in the encoding and decoding processes, the proposed TBVQ adopts two different but related codebooks in the encoder and decoder, respectively. During the colourisation process, the target image is first encoded by the greyscale codebook and then decoded by the related chromatic codebook. Experimental results demonstrate the effectiveness and efficiency of the proposed algorithm.
引用
收藏
页码：132 / 133
页数：2
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