Dynamic Backlight Adaptation Based on Local Mean and Standard Deviation for LCD
| Autor: | 吴华夏 Wu Hua-xia, 董戴 Dong Dai, 王茹 Wang Ru, 章小兵 Zhang Xiao-bing, 韩江洪 Han Jiang-hong |
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| Rok vydání: | 2011 |
| Předmět: |
Liquid-crystal display
Computer science business.industry Image quality Adaptation (eye) Backlight Luminance Standard deviation Electronic Optical and Magnetic Materials law.invention Optics Power consumption law Modulation Signal Processing Computer vision Artificial intelligence business Instrumentation |
| Zdroj: | Chinese Journal of Liquid Crystals and Displays. 26:698-701 |
| ISSN: | 1007-2780 |
| DOI: | 10.3788/yjyxs20112605.0698 |
| Popis: | In order to cut down the power consumption of LCD backlight and maintain the image quality,a modulation algorithm based on Local Mean(LM) and Local Standard Deviation(LSD) is proposed.The algorithm can dim the luminance of backlight effectively in dark and low contrast blocks and maintain the image quality in the bright and high contrast blocks.Meanwhile,backlight signals are smoothed to ensure smooth transition between each region and its surrounding regions,which makes images downy on the vision. |
| Databáze: | OpenAIRE |
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