Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9036044 | Adjusting camera parameters associated with a plurality of images | Soohyun Bae | 2015-05-19 |
| 8189861 | Watermarking digital documents | — | 2012-05-29 |
| 8189863 | Watermarking digital documents | — | 2012-05-29 |
| 7656559 | System and method for generating a signed hardcopy document and authentication thereof | David Goldberg, James D. Thornton | 2010-02-02 |
| 7394573 | System for authenticating hardcopy documents | David Goldberg, James D. Thornton | 2008-07-01 |
| 6665841 | Transmission of subsets of layout objects at different resolutions | James V. Mahoney, Daniel G. Bobrow | 2003-12-16 |
| 6562077 | Sorting image segments into clusters based on a distance measurement | Daniel G. Bobrow, James V. Mahoney | 2003-05-13 |
| 6529285 | Relabelling of tokenized symbols in fontless structured document image representations | Daniel G. Bobrow, Daniel P. Huttenlocher, John Seely Brown | 2003-03-04 |
| 6449718 | Methods and apparatus for partial encryption of tokenized documents | Daniel P. Huttenlocher | 2002-09-10 |
| 6310983 | Efficient search for a gray-level pattern in an image using ranges of sums | — | 2001-10-30 |
| 6295371 | Method and apparatus for image processing employing image segmentation using tokenization | Daniel P. Huttenlocher, Pedro Felzenswalb | 2001-09-25 |
| 6275301 | Relabeling of tokenized symbols in fontless structured document image representations | Daniel G. Bobrow, Daniel P. Huttenlocher, John Seely Brown | 2001-08-14 |
| 6249603 | Efficient search for a gray-level pattern in an image | — | 2001-06-19 |
| 6020972 | System for performing collective symbol-based compression of a corpus of document images | James V. Mahoney | 2000-02-01 |
| 6011905 | Using fontless structured document image representations to render displayed and printed documents at preferred resolutions | Daniel P. Huttenlocher, John Seely Brown | 2000-01-04 |
| 5999653 | Fast techniques for searching images using the Hausdorff distance | Eric W. Jaquith | 1999-12-07 |
| 5884014 | Fontless structured document image representations for efficient rendering | Daniel P. Huttenlocher | 1999-03-16 |
| 5835638 | Method and apparatus for comparing symbols extracted from binary images of text using topology preserved dilated representations of the symbols | Daniel P. Huttenlocher, Eric W. Jaquith | 1998-11-10 |