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Primary colors' coordinates calibration in multi-DLP projection display wall
Author(s): 
Pages: 18-22
Year: Issue:  5
Journal: OPTICAL INSTRUMENTS

Keyword:  投影显示颜色均匀性基色坐标校正;
Abstract: 从色度学原理出发分析了多台DLP投影机拼接显示的颜色再现原理,其均匀性是由基色坐标和亮度共同决定的.传统颜色均匀性调节中只通过调节基色亮度的方法不能从根本上消除色差.提出了一种新的校正颜色均匀性的方法,即采取缩小色空间的方法得到公共的色三角形,作为校正的目标色空间,并建立了每台投影机到新的颜色空间的转换矩阵,从而实现基色调整的目的.再结合基色亮度的调节,可以从理论上完全消除色差.
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