Distance perception across spatial discontinuities
نویسندگان
چکیده
منابع مشابه
Distance perception across spatial discontinuities
Our previous studies in depth perception (Meng & Sedgwick, 2001) have supported a surface representation of 3-D layout. In such a representation, space is defined by surfaces, and distance is specified along those surfaces rather than through empty space (Alhazen, 1989, p. 155; Gibson, 1950, p. 6; Sinai, Ooi, & He, 1998; reviewed in Sedgwick, 2001). There is increasing evidence that visible sur...
متن کاملJudging distance across texture discontinuities.
Sinai et al (1998 Nature 395 497-500) showed that less distance is perceived along a ground surface that spans two differently textured regions than along a surface that is uniformly textured. We examined the effect of texture continuity on judged distance using computer-generated displays of simulated surfaces in five experiments. Discontinuities were produced by using different textures, the ...
متن کاملSpatial Discounting versus Transport: A Trade-Off Changing across Distance
Human preferences are found to be characterized by a neglect of impacts occuring in the future or at a distance. Concerning the spatial dimension, diffusion of pollution may justify this reduced concern. There are many cases, however, where spatial discounting is not justified. Such cases increase in importance with eased world trade, when consumers become responsible for impact increasingly lo...
متن کاملExperiments in Fingertip Perception of Surface Discontinuities
In this paper we present the results of experiments that explore the ability of the human fingertip to detect haptically simulated first-order and second-order surface discontinuities. A single finger, planar motion fingertip haptic display (FHD) developed at the University of Washington (UW) was used by multiple test operators under a variety of treatment conditions. Experiment variables inclu...
متن کاملContrast perception across changes in luminance and spatial frequency.
The interaction of the effects of luminance and spatial frequency on perception of suprathreshold contrast was studied with use of a contrast-matching paradigm. Four subjects matched the appearance of Gabor patches at different luminances and spatial frequencies. The contrast of a 1-octave Gabor test patch at one of five frequencies [1-16 cycles/degree (c/deg) in 1-octave steps] and at one of s...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
ژورنال
عنوان ژورنال: Perception & Psychophysics
سال: 2002
ISSN: 0031-5117,1532-5962
DOI: 10.3758/bf03194553