Variable-Resolution Displays: A Theoretical, Practical, and Behavioral Evaluation
Variable-Resolution Displays: A Theoretical, Practical, and Behavioral Evaluation
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DOI：
10.1518/0018720024497015
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发表时间：
2002-12
期刊：
影响因子：
--
通讯作者：
Derrick J. Parkhurst;E. Niebur
中科院分区：
文献类型：
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作者：
Derrick J. Parkhurst;E. Niebur
可变分辨率显示技术使用多于一种分辨率在显示器中呈现视觉信息。例如，视线相关的可变分辨率显示器优先将用于图像生成的计算资源分配给凝视中心周围的区域，在那里，视觉对细节的敏感度最高。与传统的统一分辨率显示器相比，使用这种显示器减少了所需的计算资源量。回顾了可变分辨率显示器的理论益处、实施问题和行为后果。对两区变分辨率显示器的计算效率进行了数学分析。结果针对受计算资源限制的应用程序(如虚拟现实)和受带宽限制的应用程序(如互联网图像传输)进行了讨论。讨论了可变分辨率显示技术作为一种可行的未来技术的潜力。
Variable-resolution display techniques present visual information in a display using more than one resolution. For example, gaze-contingent variable-resolution displays allocate computational resources for image generation preferentially to the area around the center of gaze, where visual sensitivity to detail is the greatest. Using such displays reduces the amount of computational resources required as compared with traditional uniform-resolution displays. The theoretical benefits, imple-mentational issues, and behavioral consequences of variable-resolution displays are reviewed. A mathematical analysis of computational efficiency for a two-region variable-resolution display is conducted. The results are discussed in relation to applications that are limited by computational resources, such as virtual reality, and applications that are limited by bandwidth, such as internet image transmission. The potential for variable-resolution display techniques as a viable future technology is discussed.