Solution to spatial inhomogeneity on video monitors

Solution to spatial inhomogeneity on video monitors
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DOI:
10.1002/col.5080180507
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发表时间:
1993-10
影响因子:
1.4
通讯作者:
James N. Cook;P. Sample;R. Weinreb
James N. Cook;P. Sample;R. Weinreb
中科院分区:
工程技术4区
文献类型:
--
作者:
James N. Cook;P. Sample;R. Weinreb

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在视觉实验中使用计算机图形显示器的一个问题是空间不均匀性:荧光粉输出强度在屏幕位置之间可能会有所不同。该功能使刺激的准确显示变得复杂-要么输出必须限制在屏幕的一小部分,要么必须接受可变性。我们已经开发了一个平台无关的空间补偿算法,以纠正在屏幕的表面上的输出亮度的变化。我们已经实现并测试了这个算法在我们自己的图形系统。John Wiley & Sons,Inc.
One problem with the use of computer graphics monitors in vision experiments is spatial inhomogeneity: phosphor output intensity can vary between screen locations. This feature complicates accurate display of stimuli—either output must be confined to a small portion of the screen or variability must be accepted. We have developed a platform-independent spatial compensation algorithm to correct for variance in output luminances over the surface of the screen. We have implemented and tested this algorithm on our own graphics system. © 1993 John Wiley & Sons, Inc.