Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11048926 | Adaptive hand tracking and gesture recognition using face-shoulder feature coordinate transforms | Jingfeng Li, Wei Chen | 2021-06-29 |
| 10298570 | Optoelectronic systems and method for operating the same | Hendrik J Volkerink | 2019-05-21 |
| 10037708 | Method and system for analyzing exam-taking behavior and improving exam-taking skills | Wei Ming | 2018-07-31 |
| 10013889 | Method and system for enhancing interactions between teachers and students | Wei Ming | 2018-07-03 |
| 9924866 | Compact remote eye tracking system including depth sensing capacity | — | 2018-03-27 |
| 9542752 | Document image compression method and its application in document authentication | Wei Ming | 2017-01-10 |
| 9349237 | Method of authenticating a printed document | Wei Ming | 2016-05-24 |
| 9251568 | Pseudo-skeleton based image enhancement for document image reproduction | — | 2016-02-02 |
| 9251614 | Background removal for document images | — | 2016-02-02 |
| 9230383 | Document image compression method and its application in document authentication | Wei Ming | 2016-01-05 |
| 9111161 | Four dimensional (4D) color barcode for high capacity data encoding and decoding | Wei Ming | 2015-08-18 |
| 9053359 | Method and system for document authentication using Krawtchouk decomposition of image patches for image comparison | Wei Ming | 2015-06-09 |
| 9042649 | Color document image segmentation and binarization using automatic inpainting | — | 2015-05-26 |
| 8942491 | Topology-preserving downsampling of binary images | — | 2015-01-27 |
| 8931700 | Four dimensional (4D) color barcode for high capacity data encoding and decoding | Wei Ming | 2015-01-13 |
| 8915440 | Four dimensional (4D) color barcode for high capacity data encoding and decoding | Wei Ming | 2014-12-23 |
| 8864033 | Robust decoding of color barcode printed with extremely small data cells | Xiaonong Zhan, Wei Ming | 2014-10-21 |
| 8818099 | Document image binarization and segmentation using image phase congruency | — | 2014-08-26 |
| 8687886 | Method and apparatus for document image indexing and retrieval using multi-level document image structure and local features | — | 2014-04-01 |
| 8628193 | Automatic accommodative spectacles using a scene analyzer and focusing elements | Thang Duong | 2014-01-14 |
| 8576446 | Deblurring and supervised adaptive thresholding for print-and-scan document image evaluation | Wei Ming | 2013-11-05 |
| 8474976 | Automatic accommodative spectacles using sensors and focusing elements | Thang Duong | 2013-07-02 |
| 8430301 | Document authentication using hierarchical barcode stamps to detect alterations of barcode | Wei Ming | 2013-04-30 |
| 7999657 | Image registration method for image comparison and document authentication | Wei Ming | 2011-08-16 |
| 8000528 | Method and apparatus for authenticating printed documents using multi-level image comparison based on document characteristics | Wei Ming | 2011-08-16 |