Sorted Sector Covering Combined with Image Condensation - An Efficient Method for Local Dimming of Direct-Lit and Edge-Lit LCDs

@article{Albrecht2010SortedSC,
  title={Sorted Sector Covering Combined with Image Condensation - An Efficient Method for Local Dimming of Direct-Lit and Edge-Lit LCDs},
  author={Marc Albrecht and Andreas Karrenbauer and Tobias Jung and Chihao Xu},
  journal={IEICE Transactions},
  year={2010},
  volume={93-C},
  pages={1556-1563}
}
We consider the backlight calculation of local dimming as an optimization problem. The luminance produced by many LEDs at each pixel considered is calculated which should cover the gray value of each pixel, while the sum of LED currents is to be minimized. For this purpose a specific approach called as “Sorted Sector Covering” (SSC) was developed and is described in this paper. In our pre-processing unit called condenser the source image is reduced to a matrix of much lower resolution so that… CONTINUE READING
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A video-capable algorithm for efficient calculation of local dimming RGB-backlight

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Sorted sector covering algorithm with condensed image data and soft clipping extension for low-cost local dimming processor and high power saving

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