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- W4309875101 abstract "An adaptive local backlight dimming algorithm is proposed considering human visual sensitivities under various viewing conditions. Local dimming amount is maximized based on contrast sensitivity function and local image characteristics to minimize perceived luminance and contrast losses maintaining image qualities. Average luminance, contrast and spatial frequency are evaluated as local image characteristics. As dimming based on local characteristics has blocking artifacts, a compensation method using edge luminance difference is proposed considering human responses. The proposed algorithms reduce backlight power consumption by 39.69% on average, with an average SSIM of 0.995. It can be increased by 5.66% with varying viewing conditions, resulting in a 45.35% power consumption reduction on average. The outperformances of the proposed algorithm in power consumption reduction and maintaining image quality are verified with various image quality metrics compared to recent dimming algorithms." @default.
- W4309875101 created "2022-11-29" @default.
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- W4309875101 date "2023-01-01" @default.
- W4309875101 modified "2023-10-09" @default.
- W4309875101 title "Human visual sensitivity based optimal local backlight dimming methodologies under different viewing conditions" @default.
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- W4309875101 doi "https://doi.org/10.1016/j.displa.2022.102338" @default.
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