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ACM Transactions on Applied Perception (TAP), Volume 6 Issue 3, August 2009

Guest editorial
Sarah Creem-Regehr, Karol Myszkowski
Article No.: 13
DOI: 10.1145/1577755.1577756

Investigating the role of body shape on the perception of emotion
Rachel McDonnell, Sophie Jörg, Joanna McHugh, Fiona N. Newell, Carol O'Sullivan
Article No.: 14
DOI: 10.1145/1577755.1577757

In order to analyze the emotional content of motions portrayed by different characters, we created real and virtual replicas of an actor exhibiting six basic emotions: sadness, happiness, surprise, fear, anger, and disgust. In addition to the...

Effect of scenario on perceptual sensitivity to errors in animation
Paul S. A. Reitsma, Carol O'Sullivan
Article No.: 15
DOI: 10.1145/1577755.1577758

A deeper understanding of what makes animation perceptually plausible would benefit a number of applications, such as approximate collision detection and goal-directed animation. In a series of psychophysical experiments, we examine how...

FixTag: An algorithm for identifying and tagging fixations to simplify the analysis of data collected by portable eye trackers
Susan M. Munn, Jeff B. Pelz
Article No.: 16
DOI: 10.1145/1577755.1577759

Video-based eye trackers produce an output video showing where a subject is looking, the subject's Point-of-Regard (POR), for each frame of a video of the scene. This information can be extremely valuable, but its analysis can be overwhelming....

Search task performance using subtle gaze direction with the presence of distractions
Ann McNamara, Reynold Bailey, Cindy Grimm
Article No.: 17
DOI: 10.1145/1577755.1577760

A new experiment is presented that demonstrates the usefulness of an image space modulation technique called subtle gaze direction (SGD) for guiding the user in a simple searching task. SGD uses image space modulations in the luminance channel to...

On uniform resampling and gaze analysis of bidirectional texture functions
Jiří Filip, Michael J. Chantler, Michal Haindl
Article No.: 18
DOI: 10.1145/1577755.1577761

The use of illumination and view-dependent texture information is recently the best way to capture the appearance of real-world materials accurately. One example is the Bidirectional Texture Function. The main disadvantage of these data is their...

HMD calibration and its effects on distance judgments
Scott A. Kuhl, William B. Thompson, Sarah H. Creem-Regehr
Article No.: 19
DOI: 10.1145/1577755.1577762

Most head-mounted displays (HMDs) suffer from substantial optical distortion, and vendor-supplied specifications for field-of-view often are at variance with reality. Unless corrected, such displays do not present perspective-related visual cues...

Auditory self-motion simulation is facilitated by haptic and vibrational cues suggesting the possibility of actual motion
Bernhard E. Riecke, Daniel Feuereissen, John J. Rieser
Article No.: 20
DOI: 10.1145/1577755.1577763

Sound fields rotating around stationary blindfolded listeners sometimes elicit auditory circular vection, the illusion that the listener is physically rotating. Experiment 1 investigated whether auditory circular vection depends on participants'...