Quad-phase correlation filters for pattern recognition
A quad-phase-only filter (QPOF) is introduced. It is shown that the QPOF can have improved correlation response and signal-to-noise ratio with respect to the Hartley binary phase-only filter for some objects.
Saved in:
| Published in | Applied optics (2004) Vol. 28; no. 9; p. 1611 |
|---|---|
| Main Authors | , |
| Format | Journal Article |
| Language | English |
| Published |
United States
01.05.1989
|
| Online Access | Get more information |
Cover
Loading…
| Summary: | A quad-phase-only filter (QPOF) is introduced. It is shown that the QPOF can have improved correlation response and signal-to-noise ratio with respect to the Hartley binary phase-only filter for some objects. |
|---|---|
| ISSN: | 1559-128X |
| DOI: | 10.1364/AO.28.001611 |