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ACM Transactions on Applied Perception (TAP), Volume 5 Issue 2, May 2008

Editorial
Erik Reinhard, Heinrich Bülthoff
Article No.: 6
DOI: 10.1145/1279920.1361703

Tactile synthesis and perceptual inverse problems seen from the viewpoint of contact mechanics
Qi Wang, Vincent Hayward
Article No.: 7
DOI: 10.1145/1279920.1279921

A contact-mechanics analysis was used to explain a tactile illusion engendered by straining the fingertip skin tangentially in a progressive wave pattern resulting in the perception of a moving undulating surface. We derived the strain tensor...

Using haptic cues to aid nonvisual structure recognition
Caroline Jay, Robert Stevens, Roger Hubbold, Mashhuda Glencross
Article No.: 8
DOI: 10.1145/1279920.1279922

Retrieving information presented visually is difficult for visually disabled users. Current accessibility technologies, such as screen readers, fail to convey presentational layout or structure. Information presented in graphs or images is almost...

Applying computational tools to predict gaze direction in interactive visual environments
Robert J. Peters, Laurent Itti
Article No.: 9
DOI: 10.1145/1279920.1279923

Future interactive virtual environments will be “attention-aware,” capable of predicting, reacting to, and ultimately influencing the visual attention of their human operators. Before such environments can be realized, it is necessary...

Identifying faces across variations in lighting: Psychophysics and computation
Michael J. Tarr, Athinodoros S. Georghiades, Cullen D. Jackson
Article No.: 10
DOI: 10.1145/1279920.1279924

Humans have the ability to identify objects under varying lighting conditions with extraordinary accuracy. We investigated the behavioral aspects of this ability and compared it to the performance of the illumination cones (IC) model of Belhumeur...

Distinctiveness of faces: A computational approach
Manuele Bicego, Enrico Grosso, Andrea Lagorio, Gavin Brelstaff, Linda Brodo, Massimo Tistarelli
Article No.: 11
DOI: 10.1145/1279920.1279925

This paper develops and demonstrates an original approach to face-image analysis based on identifying distinctive areas of each individual's face by its comparison to others in the population. The method differs from most others—that we...

A tone-mapping operator for road visibility experiments
Justine Grave, Roland Bremond
Article No.: 12
DOI: 10.1145/1279920.1361704

One may wish to use computer graphic images to carry out road visibility studies. Unfortunately, most display devices still have a limited luminance dynamic range, especially in driving simulators. In this paper, we propose a tone-mapping operator...