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Impact of Geometric Features on Color Similarity Perception of Displayed 3D Tablets

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To explore the effects of geometric features on the color similarity perception of displayed three-dimensional (3D) tablets designed by color 3D modeling techniques or printed by color 3D printing techniques, two subjective similarity scaling tasks were conducted for color tablets with four shape features (circular, oval, triangular-columnar, and rounded-cuboid shapes) and four notch features (straight V, straight U, crisscross V, and crisscross U shapes) displayed on a calibrated monitor using the nine-level category judgement method. Invited observers were asked to assort all displayed samples into tablet groups using six surface colors (aqua blue, bright green, pink, orange yellow, bright red, and silvery white), and all perceived similarity values were recorded and compared to original samples successively. The results showed that the similarity perception of tested tablets was inapparently affected by the given shape features and notch features, and it should be judged by a flexible interval rather than by a fixed color difference. This research provides practical insight into the visualization of color similarity perception for displayed personalized tablets to advance precision medicine by 3D printing.
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Document Type: Research Article

Affiliations: 1: State Key Laboratory of Pulp and Paper Engineering, South China University of Technology, Guangzhou, China 2: Department of Applied Chemistry, Yuncheng University, Yuncheng, China 3: Mechanical and Electronic Engineering Department, Yuncheng University, Yuncheng, China

Publication date: September 1, 2020

This article was made available online on October 10, 2020 as a Fast Track article with title: "Impact of Geometric Features on Color Similarity Perception of Displayed 3D Tablets".

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  • The Journal of Imaging Science and Technology (JIST) is dedicated to the advancement of imaging science knowledge, the practical applications of such knowledge, and how imaging science relates to other fields of study. The pages of this journal are open to reports of new theoretical or experimental results, and to comprehensive reviews. Only original manuscripts that have not been previously published, nor currently submitted for publication elsewhere, should be submitted.

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