Subpixel X-Y coordinate encoding

Details Subpixel X-Y coordinate encoding Subpixel X-Y coordinate encoding

1978-03-07

1980-01-15

Smith, Jerry

Boots, shoes, and leggings

358280, 358283, G06F 1520, H04N 718

Patent

active

041842065

ABSTRACT:
A technique of encoding digitized video input signals to an arrayed display memory in a manner to maximize the probability of entering the best picture element (pixel) value into a particular X,Y location by effectively dividing a pixel area into an array of subpixels, and weighting the value of pixel as a function of the position of a display vector through the subpixel array. First the location of a vector to be displayed in an X-Y coordinate system is determined, and then with respect to the subpixel array of each pixel, it is determined whether the vector traverses a core or central area, an edge or a corner. For these respective vector locations, the pixel value is weighted, for example, 100%, 50% and 0%.

REFERENCES:
patent: 3864661 (1975-02-01), Ranalli
patent: 3961132 (1976-06-01), Landsman

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