Rendering the Bluish Appearance of Snow: When Light Transmission Matters.

IF 1.7 4区计算机科学 Q3 COMPUTER SCIENCE, SOFTWARE ENGINEERING IEEE Computer Graphics and Applications Pub Date : 2024-01-01 Epub Date: 2024-01-25 DOI:10.1109/MCG.2023.3307517

Petri M Varsa, Gladimir V G Baranoski

引用次数: 0

Abstract

Material appearance is largely determined by complex light attenuation processes. The distinct bluish colorations that can be observed when light is transmitted through snow are among the most striking outcomes of these processes. In this article, we present a method for the predictive rendering of this phenomenon taking into account the variability of snow's physical and morphological characteristics. To achieve that, we employ an approach centered on the effective use of spectral transmittance data obtained using a first-principles light transport model for snow. The suitability of the proposed method to rendering applications is illustrated through the synthesis of images depicting the bluish appearance of snow under different illumination conditions.

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渲染雪的蓝色外观：当透光率很重要时

材料的外观主要由复杂的光衰减过程决定。当光线透过积雪时，可以观察到明显的淡蓝色，这就是这些过程最显著的结果之一。在本文中，我们介绍了一种预测渲染这种现象的方法，其中考虑到了雪的物理和形态特征的可变性。为此，我们采用了一种方法，其核心是有效利用利用第一原理雪光传输模型获得的光谱透射率数据。通过合成描述不同光照条件下雪的蓝色外观的图像，说明了所提出的方法在渲染应用中的适用性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Computer Graphics and Applications 工程技术-计算机：软件工程

CiteScore

3.20

自引率

5.60%

发文量

160

审稿时长

>12 weeks

期刊介绍： IEEE Computer Graphics and Applications (CG&A) bridges the theory and practice of computer graphics, visualization, virtual and augmented reality, and HCI. From specific algorithms to full system implementations, CG&A offers a unique combination of peer-reviewed feature articles and informal departments. Theme issues guest edited by leading researchers in their fields track the latest developments and trends in computer-generated graphical content, while tutorials and surveys provide a broad overview of interesting and timely topics. Regular departments further explore the core areas of graphics as well as extend into topics such as usability, education, history, and opinion. Each issue, the story of our cover focuses on creative applications of the technology by an artist or designer. Published six times a year, CG&A is indispensable reading for people working at the leading edge of computer-generated graphics technology and its applications in everything from business to the arts.

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