Abstract The contrast‐sensitivity function (CSF) is a measure of fundamental spatiochromatic properties of the human visual system. It is typically measured at the detection threshold for the psychophysically defined cardinal channels: luminance, red–green, and yellow–blue. Recent measurements of luminance contrast sensitivity show that the sensitivity of the luminance channel is less for chromatic stimuli than for achromatic stimuli. This chromatic effect has important implications for both human and machine vision. The chromatic effect on luminance contrast sensitivity has been modeled in this work based upon an existing model published by Barten. Barten's model was chosen as the starting point for this work because it is analytical, relatively simple, and can predict those effects that are important for image analysis. © 2006 Wiley Periodicals, Inc. Col Res Appl, 31, 315–319, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/col.20230.

Stephen Westland

Huw Owens

Vien Cheung

Iain Paterson-Stephens

Color Research & Application

Color Research and Application provides a forum for the publication of peer-reviewed research reviews, original research articles, and editorials of the highest quality on the science, technology, and application of color in multiple disciplines. Due to the highly interdisciplinary influence of color, the readership of the journal is similarly widespread and includes those in business, art, design, education, as well as various industries.

Color Research and Application is a forum for publishing high-quality peer-reviewed research reviews, original research articles, and editorials focused on the science, technology, and application of color across multiple disciplines. Given the highly interdisciplinary nature of color, the journal's readership is equally diverse, encompassing professionals in business, art, design, education, and various industries.

《Color Research and Application》是一个提供高质量同行评审研究综述、原创研究文章和社论的论坛，专注于颜色科学、技术及其在多个学科中的应用。由于颜色的高度跨学科影响，该期刊的读者群体也非常广泛，包括商业、艺术、设计、教育以及各个行业的专业人士。

Color Research and Application

Model of luminance contrast‐sensitivity function for application to image assessment

The chromatic effect on luminance contrast sensitivity has been modeled in this work based upon an existing model published by Barten, chosen as the starting point for this work because it is analytical, relatively simple, and can predict those effects that are important for image analysis.

Category	Quartile
工程技术	3
工程技术, 应用化学	3
工程技术, 成像科学与照相技术	4
工程技术, 光学	4

Model of luminance contrast‐sensitivity function for application to image assessment

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