Name
Abstract | ||
|---|---|---|
The vast majority of approaches make use of features to track objects. In this paper, we address the tracking problem with a tracking-by-registration strategy based on direct methods. We propose a hierarchical strategy in terms of image resolution and number of parameters estimated in each resolution, that allows direct methods to be applied in demanding real-time visual-tracking applications. We have called this strategy the Hierarchical Multi-Parametric and Multi-Resolution strategy (HMPMR). The Inverse Composition Image Alignment Algorithm (ICIA) is used as an image registration technique and is extended to an HMPMR-ICIA. The proposed strategy is tested with different datasets and also with image data from real flight tests using an Unmanned Aerial Vehicle, where the requirements of direct methods are easily unsatisfied (e.g. vehicle vibrations). Results show that using an HMPMR approach, it is possible to cope with the efficiency problem and with the small motion constraint of direct methods, conducting the tracking task at real-time frame rates and obtaining a performance that is comparable to, or even better than, the one obtained with the other algorithms that were analyzed. |
Year | DOI | Venue |
|---|---|---|
2014 | 10.1007/s00138-014-0617-2 | Machine Vision and Applications |
Keywords | Field | DocType |
Visual tracking,Image registration,Hierarchical methods,UAVs,Parametric motion | Image alignment,Inverse,Computer vision,Pattern recognition,Computer science,Direct methods,Eye tracking,Frame rate,Artificial intelligence,Image resolution,Image registration | Journal |
Volume | Issue | ISSN |
25 | 5 | 0932-8092 |
Citations | PageRank | References |
4 | 0.46 | 35 |
Authors | ||
5 | ||
Name | Order | Citations | PageRank |
|---|---|---|---|
| Carol Martínez | 1 | 49 | 3.19 |
| Pascual Campoy | 2 | 436 | 46.75 |
| Iván Fernando Mondragón | 3 | 174 | 16.03 |
| Jose Luis Sanchez-Lopez | 4 | 105 | 10.32 |
| Miguel Olivares | 5 | 131 | 11.35 |