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Minimizing eyestrain on LCD TV based on edge difference and scene change

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4 Author(s)
Eui Chul Lee ; Dept. of Comput. Sci., Sangmyung Univ., Seoul, South Korea ; Si Mong Lee ; Chee Sun Won ; Kang Ryoung Park

Evaluations on the quality of liquid crystal display (LCD) reveal that human factors yield more accurate results than conventional measurements such as image resolution and response speed. In this paper, as a measurement for the human factor, eyestrains on LCD TV are evaluated and analyzed in terms of video features such as edge difference and scene change. Our study is novel in the following three aspects. First, two measures such as the average blinking rate and the average pupil accommodation speed provide more reliable measurements on eyestrains. Second, video based features such as edge difference and scene change are used to examine the relation between eyestrain and video on LCD TV. Third, the guidelines for LCD TV manufacturer in terms of minimizing eyestrain are suggested. Experimental results show that more edge differences and scene changes induce the decrement of eyestrain. Thus, to boost edge difference and scene change, the amplification method of high frequency component on successive images in uncompressed or compressed domain is presented in order to manufacture the LCD TV with low eyestrains.

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:55 ,  Issue: 4 )