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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0174491 (1998-10-15) |
| 발명자 / 주소 |
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| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 411 인용 특허 : 15 |
A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge processor for processing the edge
A background subtraction apparatus of the present invention includes a key point locator for locating key points on a known object type, a boundary point locator for locating boundary points of the known object that make up the edges of the known object, and an edge processor for processing the edges to provide a clean-edged extraction of the known object from a background image. Preferably, the key point locator includes an alignment detector for detecting alignment of an image of the known object type with a skeleton image. Still more preferably, the skeleton image is an exoskeleton image and the known object type is a human being.
1. A background subtraction apparatus comprising:key point location means for locating key points on a known object type, wherein said key point location means includes an alignment detector for detecting alignment of an image of said known object type with a skeleton image; repeat keypoint location
1. A background subtraction apparatus comprising:key point location means for locating key points on a known object type, wherein said key point location means includes an alignment detector for detecting alignment of an image of said known object type with a skeleton image; repeat keypoint location means if said alignment detector fails to align said image with said skeleton image; boundary point location means for, after locating key points on a known object type, locating boundary points of said known object that comprise edges of said known object; repeat keypoint location means and boundary point location means if locating boundary points fails; and edge processing means for, after locating key points on a known object type, processing said edges to provide a clean-edged extraction of said known object from a background image.
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