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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0099944 (1993-07-30) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 707 인용 특허 : 0 |
A low-level model-free dynamic and static hand gesture recognition system utilizes either a 1-D histogram of frequency of occurrence vs. spatial orientation angle for static gestures or a 2-D histogram of frequency of occurrence vs. space-time orientation for dynamic gestures. In each case the histo
A low-level model-free dynamic and static hand gesture recognition system utilizes either a 1-D histogram of frequency of occurrence vs. spatial orientation angle for static gestures or a 2-D histogram of frequency of occurrence vs. space-time orientation for dynamic gestures. In each case the histogram constitutes the signature of the gesture which is used for gesture recognition. For moving gesture detection, a 3-D space-time orientation map is merged or converted into the 2-D space-time orientation histogram which graphs frequency of occurrence vs. both orientation and movement. It is against this representation or template that an incoming moving gesture is matched.
A machine for detecting a dynamic gesture comprising: means for providing a training histogram corresponding to a predetermined gesture; means for generating a video image of a gesturing object; means for generating a 3-D dynamic gesturing object map corresponding to said video image, points on said
A machine for detecting a dynamic gesture comprising: means for providing a training histogram corresponding to a predetermined gesture; means for generating a video image of a gesturing object; means for generating a 3-D dynamic gesturing object map corresponding to said video image, points on said image of said dynamic gesturing object each having a local spario-temporal image orientation, said 3-D map including vectors graphing frequency of occurance vs. spatio-temporal orientation; means for converting said 3-D map into a 2-D histogram graphing angular orientation of the vectors of said 3-D map against position: means for comparing said histograms; and, means for indicating a match between said histograms, thereby to detect said gesture.
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