Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1994-05-31
1997-11-04
Hjerpe, Richard
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345136, 382256, 382283, 395141, G09G 528
Patent
active
056845090
ABSTRACT:
A read image is displayed and a specific point is set to a desired point to be subjected to an image processing. A first specific region is set within the range of a circle whose center is the specific point. A boundary of the first specific region is then expanded or contracted, thereby obtaining a boundary. A second specific region is set between the so-obtained boundary and the boundary of the first specific region. A predetermined image processing is effected on the first and second specific regions.
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patent: 5168529 (1992-12-01), Peregrim et al.
patent: 5181261 (1993-01-01), Negao
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patent: 5390291 (1995-02-01), Ohashi
Hatanaka Isamu
Saotome Atsushi
Takimoto Masaaki
Fuji Photo Film Co. , Ltd.
Hjerpe Richard
Lao Lun-Yi
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