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A Colorimetric Study of Spatial Uniformity in Projection Displays

机译:投影显示中空间均匀性的比色研究

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In this paper we investigate and study the color spatial uniformity of projectors. A common assumption is to consider that only the luminance is varying along the spatial dimension. We show that the chromaticity plays a significant role in the spatial color shift, and should not be disregarded, depending on the application. We base our conclusions on the measurements obtained from three projectors. Two methods are used to analyze the data, a conventional approach, and a new one which considers 3D gamut differences. The results show that the color gamut difference between two spatial coordinates within the same display can be larger than the difference observed between two projectors.
机译:在本文中,我们研究和研究了投影仪的色彩空间均匀性。通常的假设是认为只有亮度沿空间维度变化。我们表明,色度在空间色移中起着重要作用,并且不应该忽略,具体取决于应用程序。我们的结论基于从三台投影机获得的测量结果。两种方法用于分析数据,一种是常规方法,另一种是考虑3D色域差异的新方法。结果表明,同一显示器内两个空间坐标之间的色域差异可能大于两台投影仪之间所观察到的差异。

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