منابع مشابه
Compression of space in visual memory
Human observers had to point to the location of a briefly presented target by means of a mouse after a brief delay following target offset. It was found that observers systematically mislocalized the target closer to the center of gaze, and to visually salient markers in the visual display. A perceptual judgment task revealed that these errors in localization were independent of whether or not ...
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We present the first algorithm that performs the LZ78 compression of a text of length n over alphabet [1..σ], whose output is z integers, using only O(z lg σ) bits of main memory. The algorithm reads the input text from disk in a single pass, and writes the compressed output to disk. The text can also be decompressed within the same main memory usage, which is unprecedented too. The algorithm i...
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15 صفحه اولAn explanation of perisaccadic compression of visual space
A large number of experiments show that perisaccadic flash mislocalization can vary according to the spatial location of the flash relative to the saccade, especially in the presence of background stimuli. The temporal attributes of this mislocalization suggest that, around the time of a saccade, a transient compression of visual space occurs. The present study offers a model to account for suc...
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The present study examined whether the compression of perceived visual space varies according to the type of environmental surface being viewed. To examine this issue, observers made exocentric distance judgments when viewing simulated 3D scenes. In 4 experiments, observers viewed ground and ceiling surfaces and performed either an L-shaped matching task (Experiments 1, 3, and 4) or a bisection...
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ژورنال
عنوان ژورنال: Vision Research
سال: 2001
ISSN: 0042-6989
DOI: 10.1016/s0042-6989(00)00230-3