A Study On Correction Systemic Algorithm For Lcd Projection Display Color Uniformity
2012 INTERNATIONAL CONFERENCE ON MEDICAL PHYSICS AND BIOMEDICAL ENGINEERING (ICMPBE2012)(2012)
摘要
According to the application of two-dimensional CCD camera and the computer composing principles and characteristics of uniformity correction system of LCD projection display color, this paper experiments, analyzes and compares the process of seeking color correction value between improved binary algorithm and traditional stepping technique. The experimental results indicate that, compared with traditional stepping technique, the advantage of improved binary algorithm lies in the fact that it has universal adaptability and can be applied to the color uniformity correction of LCD projection system with various optical properties; besides, it has uniform convergence as to the search of correction value in different areas in the process of correction, which enables the correction time of the projection system to be a constant; what's more, in comparison with stepping technique, improved binary algorithm has a higher algorithmic efficiency with the same precision and its correction time reduces to 60% of the stepping technique. The related experiment shows that improved binary algorithm is the ideal algorithm that appropriate to be applied in the display color uniformity correction of LCD projection system. (C) 2012 Published by Elsevier B. V. Selection and/or peer review under responsibility of ICMPBE International Committee.
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关键词
Color uniformity correction,LCD projection system,improved dichotomy,stepping technique
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