Influence of flicker on perceived size and depth

Miller, Robert J.; Patterson, Robert

doi:10.3758/bf03213266

Cited by 2 publications

(2 citation statements)

References 39 publications

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“…Although the transience of objects does not seem to interfere with form perception (Dosher, Landy, & Sperling, 1989;Todd, 1985), flickering targets appear to be farther away from the observer than nonflickering ones (Wong & Weisstein, 1984). The flickering targets also appear smaller, which suggests that the visual pathways for both motion and form are affected by flicker (Miller & Patterson, 1995). Transient stimuli also seem to disrupt size and space constancy (Macknik, Fisher, & Bridgeman, 1991;Rogowitz, 1984).…”

Section: A Time-to-contact Paradigm To Study Motion-in-depth Samplingmentioning

confidence: 99%

The impact of spatiotemporal sampling on time-to-contact judgments

Hecht¹,

Kaiser

Savelsbergh

et al. 2002

Perception & Psychophysics

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When motion in the frontoparallel plane is temporally sampled, it is often perceivedto be slower than its continuous counterpart. This finding stands in contrast to humans' ability to extrapolate and anticipate constant-velocitymotion. We investigated whether this sampling bias generalizesto motion in the sagittal plane (i.e., objects approaching the observer).We employed a paradigm in which observers judged the arrival time of an oncoming object. We found detrimental effects of time sampling on both perceived time to contact and time to passage. Observers systematically overestimated the time it would take a frontally approaching object to intersect their eye plane. To rule out artifactsinherent in computer simulation, we replicated the experiment, using real objects. The bias persisted and proved to be robust across a large range of temporal and spatial variations. Energy and pooling mechanisms are discussed in an attempt to understand the effect.

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Section: A Time-to-contact Paradigm To Study Motion-in-depth Samplingmentioning

confidence: 99%

The impact of spatiotemporal sampling on time-to-contact judgments

Hecht¹,

Kaiser

Savelsbergh

et al. 2002

Perception & Psychophysics

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show abstract

“…There are many factors that affect the perceived distance, including the accommodation state of the eyes, perspective field cues, and the stimulus size. [17][18][19][20][21] In the experiments, the moving target was the line shown on the LED panel. The reference was a single LED.…”

Section: Perceived Depth Caused By Binocular Delaymentioning

confidence: 99%

Depth perception for moving images shown on a large LED display with an aperture grille

et al. 2009

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Abstract— A type of depth illusion created by the use of an aperture grille is reported. When viewing a moving target through multiple slits, a movement with depth is perceived, which was originally reported (see Ref. 11). The binocular delay is considered to cause a virtual disparity between both perspective images with apparent movement. By using an LED display with an aperture grille as a stereoscopic display, perceived distance caused by a binocular delay has been measured. The measured distance is compared with the perceived distance for stereoscopic still images shown on a stereoscopic LED panel. The comparison supported that the binocular delay is converted into binocular disparity. Furthermore, pair‐comparison tests were conducted to investigate depth impressions. It was found that use of an aperture grille improves depth impression for a movie that was taken with a laterally moving camera.

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Influence of flicker on perceived size and depth

Cited by 2 publications

References 39 publications

The impact of spatiotemporal sampling on time-to-contact judgments

The impact of spatiotemporal sampling on time-to-contact judgments

Depth perception for moving images shown on a large LED display with an aperture grille

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