Matrox Electronics Systems, Ltd.
56Patents
40Active
56Granted
49Portfolio score
Filing activity: Apr 29, 1987 → May 25, 2023 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4802170A | Error disbursing format for digital information and method for organizing same | Electricity | 89 | Expired |
| US6940505B1 | Dynamic tessellation of a base mesh | Physics | 74 | Expired |
| US6763175B1 | Flexible video editing architecture with software video effect filter components | Electricity | 58 | Expired |
| US8971637B1 | Method and system for identifying an edge in an image | Physics | 50 | Active |
| US8620078B1 | Determining a class associated with an image | Physics | 32 | Active |
| US8326037B1 | Methods and apparatus for locating an object in an image | Physics | 31 | Active |
| US6763176B1 | Method and apparatus for real-time video editing using a graphics processor | Physics | 28 | Expired |
| US8385687B1 | Methods for determining a transformation between images | Physics | 19 | Active |
| US7123248B1 | Analog multi-display using digital visual interface | Physics | 18 | Expired |
| US7671873B1 | Systems for and methods of processing signals in a graphics format | Physics | 18 | Active |
| US8306399B1 | Real-time video editing architecture | Electricity | 15 | Active |
| US8600161B2 | Efficient model-based recognition of objects using a calibrated image system | Physics | 15 | Active |
| US7372472B1 | Method and apparatus for graphically defining a video particle explosion effect | Physics | 15 | Expired |
| US7574045B2 | Model-based recognition of objects using a calibrated image system | Physics | 10 | Expired |
| US7379599B1 | Model based object recognition method using a texture engine | Physics | 10 | Expired |
| US7756391B1 | Real-time video editing architecture | Electricity | 10 | Expired |
| US7903864B1 | System and methods for the detection of irregularities in objects based on an image of the object | Physics | 9 | Active |
| US9727804B1 | Method of correcting strings | Physics | 8 | Active |
| US7027651B2 | Geometric hashing method for model-based recognition of an object | Physics | 8 | Expired |
| US10438083B1 | Method and system for processing candidate strings generated by an optical character recognition process | Physics | 7 | Active |
| US8873856B1 | Determining a class associated with an image | Physics | 6 | Active |
| US10176400B1 | Method and apparatus for locating dot text in an image | Physics | 6 | Active |
| US8879895B1 | System and method for processing ancillary data associated with a video stream | Electricity | 6 | Active |
| US9548082B1 | System and method for processing ancillary data associated with a video stream | Electricity | 6 | Active |
| US9185321B1 | Apparatus, system and method for processing video data, audio data and ancillary data | Electricity | 5 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.