Graphic conversion system for electronic data processing

Details Graphic conversion system for electronic data processing Graphic conversion system for electronic data processing

1974-07-19

1979-12-18

Boudreau, Leo H.

Communications: electrical

Digital comparator systems

3401463H, 358260, 364515, G06K 900

Patent

active

041796845

ABSTRACT:
An apparatus and method for graphic conversion for electronic data processing wherein an image is converted to an electrical analog signal which is converted to digital data representing discrete segments of the image containing color value data. The digital data is converted to an analog signal by a curve fitting technique responsive to adjacent discrete segments and the analog signal drives a visual display means which recreates the original image. Means are provided to store and/or modify the digital data to effect predetermined changes in the recreated images.

REFERENCES:
patent: 3757038 (1973-09-01), Jannery et al.
patent: 3813646 (1974-05-01), Quarmby
patent: 3818475 (1974-06-01), Hussey
patent: 3830965 (1974-08-01), Beaudette
Chow et al. "Boundary Extraction Method and Algorithm," IBM Tech. Disclosure Bulletin, vol. 14, No. 4, Sep. 1971, pp. 1301-1304.
Sidhu et al. "Property Encoding:(etc.)"IEEE Transactions on Computers, vol. C-21, No. 11, Nov. 1972, pp. 1206-1216.

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