Journal Article10.1109/TIT.1962.1057698
Visual Pattern Discrimination
989
TL;DR: The condition for discrimination was found to be based primarily on clusters or lines formed by proximate points of uniform brightness, and a similar rule of connectivity with hue replacing brightness was obtained by using varicolored dots of equal subjective brightness.
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Abstract: Visual discrimination experiments were conducted using unfamiliar displays generated by a digital computer. The displays contained two side-by-side fields with different statistical, topological or heuristic properties. Discrimination was defined as that spontaneous visual process which gives the immediate impression of two distinct fields. The condition for such discrimination was found to be based primarily on clusters or lines formed by proximate points of uniform brightness. A similar rule of connectivity with hue replacing brightness was obtained by using varicolored dots of equal subjective brightness. The limitations in discriminating complex line structures were also investigated.
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Citations
Statistical and structural approaches to texture
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References
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David H. Hubel,Torsten N. Wiesel +1 more
TL;DR: The present investigation, made in acute preparations, includes a study of receptive fields of cells in the cat's striate cortex, which resembled retinal ganglion-cell receptive fields, but the shape and arrangement of excitatory and inhibitory areas differed strikingly from the concentric pattern found in retinalganglion cells.
4.9K
What the Frog's Eye Tells the Frog's Brain
J. Y. Lettvin,Humberto R. Maturana,Warren S. McCulloch,Walter Pitts +3 more
- 01 Nov 1959
TL;DR: The results show that for the most part within that area of the optic nerve of a frog, it is not the light intensity itself but rather the pattern of local variation of intensity that is the exciting factor.
Binocular depth perception of computer-generated patterns
TL;DR: In this paper, the problem of finding binocular parallax matching patterns of the left and right visual fields was investigated using stereo image pairs generated on a digital computer, and it was shown that pattern-matching can be achieved by first combining the two fields and then searching for patterns in the fused field.
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A method of coding television signals based on edge detection
TL;DR: A method is described for transmitting digitalized video signals to reduce channel capacity front that needed for standard PCM by taking advantage of the inability of the human eye to notice the exact amplitude and shape of short brightness transients.
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