Image describing apparatus

Details Image describing apparatus Image describing apparatus

1986-03-11

1989-02-14

Harkcom, Gary V.

Boots, shoes, and leggings

340723, 364518, 364522, G06F 15626

Patent

active

048051276

ABSTRACT:
An image describing apparatus for describing a coupling area for forming an image via a graphic command of polygonal shape or a circular arc. The apparatus includes a device for extracting area data of boundary point row in the coupling area, a device for approximating the boundary point row in a linear primitive or curve primitive of a circular arc, a device for dividing the curve primitive so that other area does not exist in the area of the graphic command corresponding to the curve primitive if other area exists in the area of the graphic command corresponding to the approximated curve primitive, and a device for coverting the approximate boundary into a graphic command of polygonal shape or circular arc and setting a preferential sequence to the command to form encoded data.

REFERENCES:
patent: 4561061 (1985-12-01), Sakamoto et al.
patent: 4601002 (1986-07-01), Rosenthal
patent: 4607340 (1986-08-01), Nagai
patent: 4620287 (1986-10-01), Yam
"Curve Fitting as a Pattern Recognition Problem", Theo Pavlidis, 1982 IEEE.
"Some Experiments in Image Vectorization", Jimenez et al., IBM J. Res. Develop., vol. 26, No. 6, Nov. 1982.
"An Improved Segmentation and Coding Algorithm for Binary and Nonbinary Images", Per-Erik Danielsson, IBM J. Res. Devel., vol. 26, No. 6, Nov. 1982.

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