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首页> 外文期刊>Journal of Imaging Science and Technology >Analysis of observer and cultural variability while generating 'preferred' color reproductions of pictorial images
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Analysis of observer and cultural variability while generating 'preferred' color reproductions of pictorial images

机译：分析观察者和文化变异性，同时生成图形图像的“首选”色彩复制

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The goal of color reproduction is generally to maximize the accuracy between an original scene or image and a reproduction. The focus of this paper is to better understand color preference reproduction where the original image is the cognitive representation of the reproduced image rather than a physical original. In order to quantify the degree of accuracy when measuring cognition, the implementation of psychophysical techniques is required. This paper outlines two psychophysical experiments, a ranked-order design utilizing hard-copy reproduction, and the method of adjustments utilizing soft-copy reproduction. Both experiments depend on the application of five independent colorimetric adjustment dimensions to manipulate a set of scenic images so that observers could generate their preferred version of the given image. Sources of preference variability such as observers' cultural background, image content, and inter- and intra-observer variability were evaluated from the observations made in the experiments. The experiments yielded that inter-observer variability is approximately twice the magnitude of intra-observer variability. When analyzing the data set for image content variability, images that contained people (faces) were routinely less variable than images without people (faces). Furthermore, despite the fact that preference variability due to observers' cultural background was found to be statistically significant, it was also demonstrated not to be visually significant. Finally, variability in preference due to image content and differences among observers were visually more significant than the variability due to cultural background. In order to demonstrate the amount of variability experienced in these experiments, comparison image sets were generated and simulated sets are included in the analysis in this article.
机译：颜色再现的目标通常是使原始场景或图像与再现之间的精度最大化。本文的重点是更好地理解色彩偏爱的再现，其中原始图像是复制图像的认知表示，而不是物理原始图像。为了量化测量认知时的准确性，需要实施心理物理技术。本文概述了两个心理物理实验，一种采用硬拷贝复制的排序设计，以及一种采用软拷贝复制的调整方法。这两个实验都依赖于五个独立的比色调整尺寸的应用来处理一组风景图像，以便观察者可以生成给定图像的首选版本。根据实验观察，评估了偏好变异性的来源，例如观察者的文化背景，图像内容以及观察者之间和观察者内部的变异性。实验得出，观察者间的变异性大约是观察者内变异性的两倍。在分析数据集的图像内容可变性时，包含人（脸）的图像的可变性通常要比没有人（脸）的图像少。此外，尽管发现由于观察者的文化背景引起的偏好差异在统计学上是显着的，但事实也证明它在视觉上没有显着意义。最后，由于图像内容和观察者之间的差异而导致的偏好变化在视觉上比由于文化背景而引起的变化更为显着。为了证明在这些实验中经历的可变性的数量，生成了比较图像集，并将模拟集包括在本文的分析中。

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