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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Qin Zhongyuan Mou Xuanqin Wang Ping Cai Yuanlong |
| Copyright Year | 2002 |
| Description | Author affiliation: Inst. of Image Process., Xi'an Jiaotong Univ., China (Qin Zhongyuan; Mou Xuanqin; Wang Ping; Cai Yuanlong) |
| Abstract | Contour based techniques have proved to be an effective approach in object recognition. Active contour models (also called snakes), which optimize/minimize an energy function, have become popular for boundary detection. A snake is confused by a highly convex boundary. We present a novel adaptive algorithm to solve this problem. For every point in the initial position, the energy of its neighboring points is calculated by a greedy algorithm. If the target contour is not included in its neighbors, we can increase the radius of its neighbors and calculate the energy of all the points again until the target contour is included. The target contour can be obtained by iterating once. In addition, the convergent radius is increased. It can be applied to objects of high convexity. Comparative experiments indicate the validity of this method. |
| Sponsorship | Chinese Inst. Electron. IEEE Signal Process. Soc. IEEE URSI IEEE Beijing Sect. Nat. Natural Sci. Found. China China Committee for URSI IEEE Comput. Soc. Beijing Chapter IEEE SP Soc. Beijing Chapter |
| Starting Page | 628 |
| Ending Page | 631 |
| File Size | 210858 |
| Page Count | 4 |
| File Format | |
| ISBN | 0780374886 |
| DOI | 10.1109/ICOSP.2002.1181134 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2002-08-26 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Active contours Greedy algorithms Object detection Shape Image processing Object recognition Image edge detection Computational complexity Adaptive algorithm Elasticity |
| Content Type | Text |
| Resource Type | Article |
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