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Flicker-reduced memory compression for a volume-zone liquid crystal display overdrive
Sasaki, Hisashi,Ishikawa, Tatsuyuki,Ishikawa, Yukio,Ichikawa, Kazuhiro,Saitou, Nobuhiko The Korean Infomation Display Society 2011 Journal of information display Vol.12 No.2
The memory compression algorithm CCC-LCP (color-count-controlled local color palette) reduces flicker in the liquid crystal display (LCD) overdrive. Its compression ratio is 1:5.4 for 10-bit images, with a 33 dB PSNR peak signal-to-noise ratio and with five times flicker reduction compared with the block truncation coding. The authors' two-alternative forced choice subjective tests proposed two new soundness properties, the 'CMP harmlessness' and 'OD non-lost (or OD liveliness)', to clarify the functional interaction between the overdrive functionality OD and the compression functionality CMP. The tests verified that CCC-LCP is practically applicable (at a 1.2H viewing distance threshold) for 42" 37-ppi WXGA TVs.
Flicker-reduced memory compression for a volume-zone liquid crystal display overdrive
Hisashi Sasaki,Tatsuyuki Ishikawa,Yukio Ishikawa,Kazuhiro Ichikawa,Nobuhiko Saitou 한국정보디스플레이학회 2011 Journal of information display Vol.12 No.2
The memory compression algorithm CCC-LCP (color-count-controlled local color palette) reduces flicker in the liquid crystal display (LCD) overdrive. Its compression ratio is 1:5.4 for 10-bit images, with a 33 dB PSNR peak signal-to-noise ratio and with five times flicker reduction compared with the block truncation coding. The authors’ two-alternative forced choice subjective tests proposed two new soundness properties, the ‘CMP harmlessness’ and ‘OD non-lost (or OD liveliness)’, to clarify the functional interaction between the overdrive functionality OD and the compression functionality CMP. The tests verified that CCC-LCP is practically applicable (at a 1.2H viewing distance threshold) for 42” 37-ppi WXGA TVs.