Frasi di David Marr

David Courtnay Marr è stato un neuroscienziato britannico.

Marr ha integrato i risultati di psicologia, intelligenza artificiale e neurofisiologia in nuovi modelli di elaborazione visiva. Il suo lavoro è stato molto influente nelle neuroscienze computazionali e ha portato a un risveglio di interesse per la disciplina. Wikipedia

✵ 19. Gennaio 1945 – 17. Novembre 1980

David Marr: 9 frasi 0 Mi piace

David Marr: Frasi in inglese

“The critical act in formulating computational theories turns out to be the discovery of valid constraints on the way the world is structured -- constraints that provide sufficient information to allow the processing to succeed.”

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David Marr

Representation and recognition of the spatial organization of three-dimensional shapes, 1978

“The abstract properties of this mapping are defined precisely, and its appropriateness and adequacy for the task at hand are demonstrated.”

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David Marr

p, 24
Vision, 1982

“Vision is a process that produces from images of the external world a description that is useful to the viewer and not cluttered with irrelevant information.”

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David Marr

as cited in Steven Yantis (2001) Visual Perception: Essential Readings, p. 117.
Vision, 1982

“A representation is a formal system for making explicit certain entities or types of information, together with a specification of how the system does this. And I shall call the result of using a representation to describe a given entity a description of the entity in that representation.”

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David Marr

Representation and recognition of the spatial organization of three-dimensional shapes, 1978

“The primitives of a representation are the most elementary units of shape information available in a representation.”

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David Marr

Origine: Representation and recognition of the spatial organization of three-dimensional shapes, 1978, p. 274

“In order to understand bird flight, we have to understand aerodynamics; only then does the structure of feathers and the different shapes of bird's wings make sense.”

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David Marr

Origine: Vision, 1982, p. 27

“To understand the relationship between behavior and brain one has to begin by defining the function, or computational goal, of a complete behavior. Only then can a neuroscientist determine how the brain achieves that goal.”

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David Marr

Origine: Paul W. Glimcher (2004). Decisions, Uncertainty, and the Brain.

“Vision is the process of discovering from images what is present in the world, and where it is.”

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David Marr

Origine: Vision, 1982, p. 3, cited in: M. R. Bennett, ‎P. M. S. Hacker (2012). History of Cognitive Neuroscience.

“[If] we can experimentally isolate a process and show that it can still work well, then it cannot require complex interaction with other parts of vision and can therefore be understood relatively well on its own.”

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David Marr

Vision, 1982