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pro vyhledávání: '"Marr, D."'
Superparamagnetic colloidal particles can be reversibly assembled into wheel-like structures called microwheels ($\mu$wheels) which roll on surfaces due to friction and can be driven at user-controlled speeds and directions using rotating magnetic fi
Externí odkaz:
http://arxiv.org/abs/2006.02524
Akademický článek
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Akademický článek
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Publikováno v:
Proceedings of the National Academy of Sciences of the United States of America, 2008 Dec . 105(51), 20141-20145.
Externí odkaz:
https://www.jstor.org/stable/25465792
Recent studies in psychophysics and neurophysiology suggest that the human visual system utilizes a range of different size or spatial frequency tuned mechanisms in its processing of visual information. It has been proposed that there exist four such
Externí odkaz:
http://hdl.handle.net/1721.1/6320
A recent advance by B.F. Logan in the theory of one octave bandpass signals may throw new light on spatial-frequency-tuned channels in early visual information processing.
Externí odkaz:
http://hdl.handle.net/1721.1/6305
Autor:
Marr, D., Nishihara, H.K.
The human visual process can be studied by examining the computational problems associated with deriving useful information from retinal images. In this paper, we apply this approach to the problem of representing three-dimensional shapes for the pur
Externí odkaz:
http://hdl.handle.net/1721.1/6276
Autor:
Marr, D.
Vision is the construction of efficient symbolic descriptions from images of the world. An important aspect of vision is the choice of representations for the different kinds of information in a visual scene. In the early stages of the analysis of an
Externí odkaz:
http://hdl.handle.net/1721.1/6275
Autor:
Marr, D., Nishihara, H.K.
A method is given for representing 3-D shapes. It is based on a hierarchy of stick figures (called 3-D models), where each stick corresponds to an axis in the shape's generalized cone representation. Although the representation of a complete shape ma
Externí odkaz:
http://hdl.handle.net/1721.1/6254
Autor:
Marr, D.
Almost nothing can be deduced about a general 3-D surface given only its occluding contours in an image, yet contour information is easily and effectively used by us to infer the shape of a surface. Therefore, implicit in the perceptual analysis of o
Externí odkaz:
http://hdl.handle.net/1721.1/6249