A fuzzy-control processor for automatic focusing

A fuzzy-control processor for automatic focusing

An fuzzy-control IC for the function of auto-focusing of a video camera is developed. This fuzzy processor determines the location and the motion of the object by evaluating the focus value and luminance value, which are stored in two dimensional field array. Experiments of scene-dependent fuzzy inf...

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Veröffentlicht in:IEEE transactions on consumer electronics 1994-05, Vol.40 (2), p.138-144
Hauptverfasser: Lee, Yongman, Jang, Seong-Ik, Chung, Keewook, Lee, Dongyun, Kim, Wonchan, Lee, Choong-Woong
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Cameras
CMOS technology
Electronics
EPROM
Exact sciences and technology
Eyes
Fuzzy control
Humans
Inference algorithms
Integrated circuits
Integrated circuits by function (including memories and processors)
Intelligent control
Layout
Microprocessors
Semiconductor electronics. Microelectronics. Optoelectronics. Solid state devices
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Zusammenfassung:An fuzzy-control IC for the function of auto-focusing of a video camera is developed. This fuzzy processor determines the location and the motion of the object by evaluating the focus value and luminance value, which are stored in two dimensional field array. Experiments of scene-dependent fuzzy inference were made intensively on auto-focusing for various objects in various situations with this IC. It revealed that fuzzy control performs an intelligent control in auto-focusing under the difficult situations.< >
ISSN:0098-3063
1558-4127
DOI:10.1109/30.286408