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首页> 外文期刊>Journal of Imaging Science and Technology >Capturing the Added Value of Three-Dimensional Television: Viewing Experience and Naturalness of Stereoscopic Images
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Capturing the Added Value of Three-Dimensional Television: Viewing Experience and Naturalness of Stereoscopic Images

机译：捕捉三维电视的附加值：观看体验和立体图像的自然性

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摘要

The term "image quality" is often used to describe the performance of an imaging system. Recent research showed however that image quality may not be the most appropriate term to capture the evaluative processes associated with experiencing three-dimensional (3D) images. The added value of depth in 3D images is clearly recognized when viewers judge image quality of unimpaired 3D images against their two-dimensional (2D) counterparts. However, when viewers are asked to rate image quality of impaired 2D and 3D images, the image quality results for both 2D and 3D images are mainly determined by the introduced artifacts, and the addition of depth in the 3D images is hardly accounted for. In this article we describe an experiment where we applied and tested two alternative evaluative concepts: naturalness and viewing experience. It was hypothesized that these concepts would be more sensitive to the added value of depth in 3D images. Four scenes were used, varying in dimension (2D and 3D) and noise level (six levels of white Gaussian noise). Results showed that both viewing experience and naturalness were rated higher in 3D than in 2D when the same noise level was applied. Thus, the added value of depth is clearly demonstrated when the concepts of viewing experience and naturalness are being evaluated in contrast to earlier results found using image quality. The added value of 3D over 2D, expressed in noise level, was 2 dB for viewing experience and 4 dB for naturalness, indicating that naturalness appears the more sensitive evaluative concept for demonstrating the psychological impact of 3D displays.
机译：术语“图像质量”通常用于描述成像系统的性能。但是，最近的研究表明，图像质量可能不是捕捉与体验3D图像相关的评估过程的最合适的术语。当观看者对照其二维（2D）对应物判断未受损的3D图像的图像质量时，可以清楚地识别3D图像中的深度附加值。然而，当要求观看者对受损的2D和3D图像的图像质量进行评级时，2D和3D图像的图像质量结果主要由引入的伪影确定，并且几乎不考虑3D图像中深度的增加。在本文中，我们描述了一个实验，在该实验中我们应用并测试了两个替代评估概念：自然度和观看体验。假设这些概念对3D图像中的深度附加值更加敏感。使用了四个场景，它们的尺寸（2D和3D）和噪声级别（六个高斯白噪声）有所不同。结果表明，当应用相同的噪声水平时，在3D中的观看体验和自然度都比在2D中更高。因此，与使用图像质量发现的早期结果相比，评估观看体验和自然性的概念时，可以清楚地证明深度的附加值。 3D高于2D的附加值（以噪声水平表示）对于观看体验而言为2 dB，对于自然感而言为4 dB，这表明自然界对于显示3D显示器的心理影响而言是更为敏感的评估概念。

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