S&P 070122 - Nature and Study of Perception Q1. How do...

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Nature and Study of Perception Q1. How do you see? A1. I open my eyes and see what’s around Q2. How do you make a cup of coffee? A1. Grind coffee beans, place filter, add water, etc… For Q2 we can provide a list of steps, an algorithm , but this is not so for Q2 because it appears both easy and immediate. Despite appearances, vision and perception generally is, in reality, deceptively hard. We have programs that can defeat chess masters at chess, but nothing that can replicate human perception accurately. Over half of the cerebral cortex in primates is involved in visual perception. What problem must vision solve? Analogy to artificial intelligence: 1. What is the input to an artificial vision system? A digital photograph is an array/matrix of light intensities which may be represented in the computer by numbers. The darker the image, the lower the array value. Key properties: (1) 2-dimensional (2) unstructured; nothing in the array parcels directly the boundaries of objects. 2.
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This note was uploaded on 04/05/2008 for the course PSYCH 301 taught by Professor Singh,m. during the Spring '07 term at Rutgers.

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S&P 070122 - Nature and Study of Perception Q1. How do...

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