한국정보디스플레이학회:학술대회논문집
- 2005.07b
- /
- Pages.863-864
- /
- 2005
A New Controller for Improvement of Response Time by Data Compression Using Color Space Conversion
- Koo, Sung-Jo (Platform Design 3, LG.PHILIPS LCD) ;
- Kim, Chang-Gon (Platform Design 3, LG.PHILIPS LCD) ;
- An, Jong-Ki (Platform Design 3, LG.PHILIPS LCD) ;
- Park, Man-Hyo (Platform Design 3, LG.PHILIPS LCD) ;
- Yeo, Sang-Deog (Platform Design 3, LG.PHILIPS LCD)
- Published : 2005.07.19
Abstract
In recent years, we use overdriving scheme to improve the response time of the liquid crystal. Since conventional overdriving scheme uses memory to perform ideal processing, it is desired to reduce system cost by decreasing the data stored in these SDRAMs. As a general compression method, quantization, sub-sampling and Block Truncation Coding ( BTC ) are used, which process data in block base and cause block effect. So we proposed new data compression method by color space conversion. Because this method compresses luminance and chrominance signal by different ratio, it can efficiently reduce error of block effect in decompression image.
Keywords