High-speed automatic multi-object tracking method and system with kernelized correlation filters
US9898827B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 28, 2015 |
| Grant date | Feb 20, 2018 |
| Priority date | — |
| Expiry date | Sep 17, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30241
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A high-speed automatic multi-object tracking method with kernelized correlation filters is provided. The method includes obtaining an image frame from a plurality of image frames in a video, extracting a foreground object sequence from the obtained image frame, and determining similarity between each foreground object of the extracted foreground object sequence and a tracked object. The method also includes calculating HOG features of the foreground objects with a lower similarity, obtaining training samples for each of the foreground objects with the lower similarity using a circular matrix, obtaining a classifier via a kernel method accelerated by FFTW, and obtaining tracking points using a sparse optical flow. Further, the method includes detecting object matching responses using a detection response function, performing multi-scale analysis for the object based on an optical flow method, and processing a next image frame of the plurality of image frames in the video until the video ends.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.