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首页> 外文期刊>Journal of Imaging Science and Technology >An Interactive Gloss Visualization Environment - For Measured or Simulated Surface Data
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An Interactive Gloss Visualization Environment - For Measured or Simulated Surface Data

机译：交互式光泽度可视化环境-用于测量或模拟的表面数据

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摘要

Gloss, as has long been known, is a visual concept far more complex than the present methods of instrumental gloss evaluation are able to characterize. A newly developed measurement principle for gloss characterization gives perceptually relevant gloss information. The characterization results in a "Reflectance Vector Map" (RVM) which simultaneously contains spatially resolved information about directed reflectance and apparent inclination. The experimental phase of the present study uses the RVM and a rudimentary model of a virtual optical environment to interactively visualize a simulated surface. The performance of the visualization environment has been evaluated by comparing results from two visual assessments of perceived gloss homogeneity for a limited but demanding set of black printed paper surfaces. Assessments were performed both on the physical surfaces, and on the computer generated visualizations of the same surfaces, reconstructed from the corresponding RVM's. The results correlate well, with a less inter-judge variance in the visualization environment than with the physical surfaces. It is suggested that this visualization environment may be a powerful tool for gloss assessment, able to mediate perceptually important characteristics of gloss.
机译：众所周知，光泽度是一种视觉概念，它远比目前的仪器光泽度评估方法所能表征的方法复杂。新开发的光泽度表征测量原理可提供在视觉上相关的光泽度信息。表征产生“反射向量图”（RVM），该图同时包含有关定向反射率和表观倾斜度的空间分辨信息。本研究的实验阶段使用RVM和虚拟光学环境的基本模型来交互式地可视化模拟表面。可视化环境的性能已通过比较针对有限但要求严格的一组黑色打印纸表面的两次感知到的光泽均匀性的视觉评估结果进行了评估。评估是在物理表面上进行的，也是在计算机生成的相同表面的可视化图上进行的，这些可视化是从相应的RVM重建的。结果具有很好的相关性，与物理表面相比，可视化环境中的判断间差异较小。建议该可视化环境可能是用于光泽度评估的强大工具，能够调解在视觉上重要的光泽度特征。

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