한국정보디스플레이학회:학술대회논문집
- 2004.08a
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- Pages.149-152
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- 2004
Multi-Valued Image Entropy Coding for input-width reduction of LCD source drivers
- Sasaki, Hisashi (Toshiba Corporation, Semiconductor Company) ;
- Arai, Tooru (Toshiba Corporation, Semiconductor Company) ;
- Hachiuma, Masayuki (Toshiba Corporation, Semiconductor Company) ;
- Masuko, Akira (Toshiba Corporation, Semiconductor Company) ;
- Taguchi, Takashi (Toshiba Corporation, Semiconductor Company)
- Published : 2004.08.23
Abstract
A new joint source channel coding reduces both input-width and average current consumption to transmit image data to LCD source drivers. As a source coding, it is based on entropy coding of differential pulse code modulation scheme, especially using median edge detector of image predictor. As a channel coding, it is not a simple pulse amplitude modulation, but linked by source entropy to reduce average amplitude. Simulation results show 1/4 width is achievable by 16-valued transmission with keeping conventional current consumption (0.36 to 1.3).
Keywords