Variable-resolution displays: A theoretical, practical, and behavioral evaluation

被引：42

作者：

Parkhurst, DJ ^{[1
]}

Niebur, E ^{[1
]}

机构：

[1] Johns Hopkins Univ, Zanvyl Krieger Mind Brain Inst, Baltimore, MD 21218 USA

来源：

HUMAN FACTORS | 2002年 / 44卷 / 04期

关键词：

D O I：

10.1518/0018720024497015

中图分类号：

B84 [心理学]; C [社会科学总论]; Q98 [人类学];

学科分类号：

03 ; 0303 ; 030303 ; 04 ; 0402 ;

摘要：

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, implementational 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.

引用

页码：611 / 629

页数：19

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