Image analysis – Histogram processing – For setting a threshold
Patent
1992-12-07
1995-04-18
Powell, Mark R.
Image analysis
Histogram processing
For setting a threshold
382 44, G06F 1520
Patent
active
054086043
ABSTRACT:
An input panel interface section is responsive to an input signal from an input panel to provide input coordinate data indicating an input position in a coordinate system used in the input panel. A converter converts the input coordinate data provided by the input panel interface section into display coordinate data. The display coordinate data is data in a coordinate system used for a display controller to determine a display position on a display. The display controller controls display output to the display by using the display coordinate data output by the coordinate converter. A CPU interface section controls access of a processor to the display controller, the input panel interface section, and the coordinate converter.
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patent: 4680804 (1987-07-01), Kuzunuki et al.
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patent: 5179638 (1993-01-01), Dawson et al.
"Hitachi Microcomputer System," User's Manual for HD46505S, CRT Controller (CRTC), published by Hitachi, pp. 7 and 43-45. (Provided in Japanese with explanation of relevance in English).
"Hitachi Microcomputer System," User's Manual for HD63484 ACRTC, Advanced CRT Controller, published by Hitachi, Oct. 1984, p. 46. (Provided in Japanese with explanation of relevance in English).
Abei Hiroshi
Kamimura Toshio
Nishiyama Kazuhide
Oeda Shigeto
Hitachi , Ltd.
Powell Mark R.
Tung Kee M.
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