Fast Segmentation-Based Backlight Dimming

Title
Fast Segmentation-Based Backlight Dimming
Author(s)
배성우강석주[강석주]
Keywords
ERROR CONTROL; ALGORITHM
Issue Date
201505
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Citation
JOURNAL OF DISPLAY TECHNOLOGY, v.11, no.5, pp.399 - 402
Abstract
A fast segmentation-based backlight dimming is proposed using a human perception-based three dimensional (3D) histogram. The conventional segmentation-based backlight-dimming technique requires high computation time, and cannot change the number of segments, which in turn degrades the image quality. The proposed method significantly reduces the computation time using a histogram-based segmentation approach and dynamically changes the number of segments using the peak extraction. Moreover, it uses the RGB-combined histogram for calculating the acceptable candidate error to further reduce the computation time. It can select the most suitable trade-off point between the image quality and power consumption while requiring low computation time. Based on the experimental results, the proposed method appropriately selected the trade-off point between the image quality and power consumption in images with full high-definition resolution and reduced the computation complexity by up to 43.551 s (75.73%) compared with the benchmark method.
URI
http://hdl.handle.net/YU.REPOSITORY/32439http://dx.doi.org/10.1109/JDT.2015.2416171
ISSN
1551-319X
Appears in Collections:
공과대학 > 전기공학과 > Articles
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