Image-based detection and tracking system and processing method employing clutter measurements and signal-to-clutter ratios
US5602760A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Feb 2, 1994 |
| Grant date | Feb 11, 1997 |
| Priority date | — |
| Expiry date | Feb 2, 2014 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V10/255
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method for measuring and quantifying clutter, and target detection and tracking systems that employs wavelet-based clutter quantification to generate a clutter number and a signal-to-clutter ratio derived therefrom to achieve improved target detection performance. The method processes video signals representative of an image scene containing a target and background clutter to provide for more accurate tracking of the target by a tracker(s). The method comprises processing the video signals to compute a wavelet clutter number, processing the video signals to compute a signal-to clutter ratio using the wavelet clutter number, and generating a pointer to a lookup table that sets parameters and selects the tracker that is to be used to track the target based upon the computed signal-to clutter ratio.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.