色弁別閾値を基準とした色弱の補正法に関する考察 : その2(コミュニケーション支援及び一般)

概要

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There are two major open problems in correction of color-weakness. The first one is that no objective criterion of correction is available since color perception of an individual is not observable or measurable. The second problem is that the degree and properties of color-weakness vary widely among individuals and different color stimulations. As to the first problem, these authors proposed a new criterion for color-weakness correction of matching between the discrimination thresholds of color-weaks and of color-normals. In this paper, we generalize the concept and method proposed in our previous works. First we show 1D correction along the confusion line direction, based on the color-blind degree defined as the ratio of lengths of discrimination thresholds and then extend to 2D, 3D color space. Next, to model more complicated color-abnomality, we define a color-weak-map in 2D and 3D spaces and show algorithms to estimate such a map using measured data and correction methods. Performance of proposed methods are evalulated by psychological experiments.
社団法人電子情報通信学会の論文
2007-05-17