منابع مشابه
Contour adaptation.
It is known that adaptation to a disk that flickers between black and white at 3-8 Hz on a gray surround renders invisible a congruent gray test disk viewed afterwards. This is contrast adaptation. We now report that adapting simply to the flickering circular outline of the disk can have the same effect. We call this "contour adaptation." This adaptation does not transfer interocularly, and app...
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In this paper, we explore the possibility of applying concepts from general curve evolution theory to the decentralized control of contour-shaped formations of autonomous mobile underwater vehicles commissioned with the task of adapting to certain level sets of environmental fields created by diffusion or similar processes. The robots are assumed to be capable of measuring local gradients on th...
متن کاملWavelet-based adaptation of pitch contour to Lombard speech
Increase in fundamental frequency (f0) is one of the most robust and best-studied phenomena characterizing Lombard speech. In this work, three types of global transformation of f0 contours from normal speech to Lombard condition are investigated: (1) a linear re-scaling of the quiet condition contour to match the mean and standard deviation of f0 in Lombard speech, (2) a non-linear regression b...
متن کاملRadial frequency adaptation reveals interacting contour shape channels
Combinations of radial frequency (RF) patterns may be used to represent the contours of complex shapes. Previous work has shown that many radial frequency patterns are processed globally and multiple curvature mechanisms have been proposed to account for human performance in detecting these patterns. The current paper provides a direct test of this proposal and also, investigates how different ...
متن کاملSpecific and general contour adaptation effects found using a selective adaptation paradigm.
There is evidence for discrete property analyzers in mammalian visual systems. Research has indicated that prolonged stimulation of such units reduces their sensitivity to subsequent stimulation. Psychophysical studies have employed this effect, terned selective adaptation, to study feature extractors in the human visual system. The purpose of this study was to determine the role of density and...
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ژورنال
عنوان ژورنال: Journal of Vision
سال: 2013
ISSN: 1534-7362
DOI: 10.1167/13.2.25