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Vector Quantizer based Block Truncation Coding for Color Image Compression in LCD Overdrive

Authors
Han, Jong-WooHwang, Min-CheolKim, Seong-GyunYou, Tae-HoKo, Sung-Jea
Issue Date
11월-2008
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Keywords
Liquid-crystal display (LCD); overdrive technique; color image compression; block truncation coding (BTC); vector quantization; human vision system (HVS)
Citation
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS, v.54, no.4, pp.1839 - 1845
Indexed
SCIE
SCOPUS
Journal Title
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS
Volume
54
Number
4
Start Page
1839
End Page
1845
URI
https://scholar.korea.ac.kr/handle/2021.sw.korea/122461
DOI
10.1109/TCE.2008.4711243
ISSN
0098-3063
Abstract
The overdrive technique has been popularly used to alleviate the motion blur on liquid-crystal display (LCD) by shortening the response time of the liquid crystal. However, this technique requires a large frame buffer to store the previous frame as a reference. In this paper, we propose a novel block truncation coding based on the vector quantizer for the color image compression in LCD overdrive. Due to the constant output bit-rate and the low computational complexity, the proposed method is suitable for the hardware implementation in LCD overdrive. Experimental results show that the proposed method achieves higher compression ratio as well as better visual quality as compared with the conventional methods.
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