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| Lucas-Kanaden optinen virtaus× | Scale-Space Theory× | |
|---|---|---|
| Tieteenala | Konenäkö | Konenäkö |
| Menetelmäperhe | Machine learning | Machine learning |
| Syntyvuosi≠ | 1981 | 1983 |
| Kehittäjä≠ | Bruce Lucas and Takeo Kanade | Andrew Witkin and Tony Lindeberg |
| Tyyppi≠ | Optical flow and tracking | Theoretical framework for multi-scale processing |
| Alkuperäislähde≠ | Lucas, B. D., & Kanade, T. (1981). An iterative image registration technique with an application to stereo vision. Proceedings of the Seventh International Joint Conference on Artificial Intelligence (IJCAI), 674–679. link ↗ | Lindeberg, T. (1994). Scale-space theory: A basic tool for analyzing structures at different scales. Journal of Applied Statistics, 21(2), 225–270. DOI ↗ |
| Rinnakkaisnimet | Lucas-Kanade method, Sparse optical flow | Multi-scale analysis, Gaussian scale-space |
| Liittyvät | 5 | 5 |
| Tiivistelmä≠ | The Lucas-Kanade method, introduced by Bruce Lucas and Takeo Kanade in 1981, is a foundational technique for estimating optical flow—the apparent motion of objects in image sequences. By computing pixel-level motion vectors, the Lucas-Kanade algorithm tracks feature displacements between consecutive frames, enabling object tracking, motion estimation, and video analysis. | Scale-space theory, developed by Witkin and Lindeberg, provides a principled mathematical framework for analyzing images at multiple scales simultaneously. By treating scale as an explicit dimension and using Gaussian blurring, scale-space theory enables detection and analysis of features at appropriate scales, solving the fundamental problem of 'which scale should I analyze at?' |
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