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We proposed a novel chroma upsampling scheme for YCbCr 420 videos. In a state-of-the-art work, the upsampling is performed by simply duplicating the stored U and V values in YCbCr 420 for 4 copies and saving to the corresponding locations in YCbCr 444. In the proposed method, instead of directly copying the current values, we consider their neighboring chroma values as the weights to redistribute...
In this paper, a novel hardware-oriented local dimming content adaptive backlight control (CABC) algorithm is proposed for liquid crystal displays (LCDs). It utilizes an efficient backlight dimming algorithm to reduce the power consumption of the backlight module in LCD and uses a contrast compensation algorithm to compensate the brightness distortion. In order to dim the backlight power and compensate...
CFA (Color Filter Array) image and video compressions are discussed in this paper. Traditionally, the CFA image is demosaicked before compression. In a state-of-the-art method, the CFA is compressed before the demosaicking processed in RGB domain. In this paper, we proposed to compress the CFA video in YCbCr domain with the same amount of data as in CFA before compression. Compared with the state-of-the-art...
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