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  Coordinate transformations in object recognition

Graf, M. (2006). Coordinate transformations in object recognition. Psychological Bulletin, 132(6), 920-945. doi:10.1037/0033-2909.132.6.920.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-0010-A661-3 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002C-333F-3
Genre: Journal Article

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 Creators:
Graf, Markus1, Author              
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1External Organizations, ou_persistent22              

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 Abstract: A basic problem of visual perception is how human beings recognize objects after spatial transformations. Three central classes of findings have to be accounted for: (a) Recognition performance varies systematically with orientation, size, and position; (b) recognition latencies are sequentially additive, suggesting analogue transformation processes; and (c) orientation and size congruency effects indicate that recognition involves the adjustment of a reference frame. All 3 classes of findings can be explained by a transformational framework of recognition: Recognition is achieved by an analogue transformation of a perceptual coordinate system that aligns memory and input representations. Coordinate transformations can be implemented neurocomputationally by gain (amplitude) modulation and may be regarded as a general processing principle of the visual cortex.

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Language(s): eng - English
 Dates: 2006
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Method: -
 Identifiers: eDoc: 311879
Other: P5842
DOI: 10.1037/0033-2909.132.6.920
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Title: Psychological Bulletin
Source Genre: Journal
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Publ. Info: Washington [etc.] : American Psychological Association (PsycARTICLES)
Pages: - Volume / Issue: 132 (6) Sequence Number: - Start / End Page: 920 - 945 Identifier: ISSN: 0033-2909
CoNE: https://pure.mpg.de/cone/journals/resource/954921357405