Issued Patents All Time
Showing 26–42 of 42 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212630 | Method and apparatus for encryption using partial information | — | 2007-05-01 |
| 7095540 | Optical security system using fourier plane encoding | Ahouzi Esmail, Guanshen (Eric) Zhang | 2006-08-22 |
| 7088480 | Distortion-tolerant 3-D object recognition by using single exposure on-axis digital holography | Daesuk Kim | 2006-08-08 |
| 7068844 | Method and system for image processing for automatic road sign recognition | Elisabet Perez | 2006-06-27 |
| 7050635 | Multi-dimensional pattern recognition by use of digital holography | Enrique Tajahuerce | 2006-05-23 |
| 6814291 | Robust barcode reader | Robert A. Cordery, Wallace Kirschner | 2004-11-09 |
| 6519340 | Method and apparatus for encryption using partial information | — | 2003-02-11 |
| 6002773 | Method and apparatus for encryption | — | 1999-12-14 |
| 5903648 | Method and apparatus for encryption | — | 1999-05-11 |
| 5841907 | Spatial integrating optical correlator for verifying the authenticity of a person, product or thing | Fai Mok, Demetri Psaltis | 1998-11-24 |
| 5815597 | Binary encoding of gray scale nonlinear joint transform correlators | Joseph L. Horner | 1998-09-29 |
| 5699449 | Method and apparatus for implementation of neural networks for face recognition | — | 1997-12-16 |
| 5485312 | Optical pattern recognition system and method for verifying the authenticity of a person, product or thing | Joseph L. Horner, John F. Walkup | 1996-01-16 |
| 5367579 | Method of removing spurious responses from optical joint transform correlators | Qing Tang | 1994-11-22 |
| 5119443 | Nonlinear joint transform optical correlator having varying degrees of nonlinearity | Joseph L. Horner | 1992-06-02 |
| 5111515 | Image deconvolution by a logarithmic exponential nonlinear joint transform process | — | 1992-05-05 |
| 4832447 | Joint transform image correlation using a nonlinear spatial light modulator at the fourier plane | — | 1989-05-23 |