G06V 40/193
Preprocessing
Official title: {Preprocessing; Feature extraction}
G06V40/193 (Preprocessing) appears on 2,131 US grants and 2,707 published applications in this corpus.
Search patents in G06V- Granted patents
- 2,131
- Published applications
- 2,707
- Assignees
- 851
- Inventors
- 4,586
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 0 |
| 2002 | 3 | 10 |
| 2003 | 4 | 17 |
| 2004 | 6 | 13 |
| 2005 | 6 | 32 |
| 2006 | 13 | 35 |
| 2007 | 10 | 32 |
| 2008 | 19 | 42 |
| 2009 | 19 | 23 |
| 2010 | 39 | 37 |
| 2011 | 46 | 50 |
| 2012 | 49 | 33 |
| 2013 | 34 | 41 |
| 2014 | 49 | 62 |
| 2015 | 59 | 196 |
| 2016 | 74 | 153 |
| 2017 | 138 | 204 |
| 2018 | 140 | 203 |
| 2019 | 177 | 218 |
| 2020 | 209 | 219 |
| 2021 | 181 | 201 |
| 2022 | 166 | 227 |
| 2023 | 180 | 231 |
| 2024 | 193 | 185 |
| 2025 | 204 | 149 |
| 2026 | 92 | 94 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems, apparatus, articles of manufacture, and methods for eye gaze correction in camera image streams22 Sep 2026US 12,743,152 B2Intel Corporation
- Device and method for image processing including vascular image processing15 Sep 2026US 12,737,911 B2Nikon Corporation
- Method for operating a microsurgical visualization system, and microsurgical visualization system8 Sep 2026US 12,727,961 B2Carl Zeiss Meditec AG
- Image enhancement devices with gaze tracking8 Sep 2026US 12,731,513 B2
- Neural network based facial analysis using facial landmarks and associated confidence values1 Sep 2026US 12,725,041 B2NVIDIA Corporation
- Information processing system, information processing apparatus, information processing program, and information processing method8 Oct 2026US 2026/0305934 A1Nikon Corporation
- Technology configured to enable determination of sleep apnoea risk factors for subject based on artefacts of time-series eyelid amplitude data collected during conscious state8 Oct 2026US 2026/0305980 A1
- Pupil modulation as a cognitive control signal1 Oct 2026US 2026/0299689 A1Apple Inc.
- Iris recognition1 Oct 2026US 2026/0301465 A1Tencent Technology (Shenzhen) Company Limited
- System24 Sep 2026US 2026/0285330 A1SoftBank Group Corp.
Most cited
By later US patents
- Virtual and augmented reality systems and methods701US 9,791,700 B2Magic Leap, Inc. · 2017
- Apparatus and method for determining eye gaze from stereo-optic views420US 8,824,779 B12014
- Red-eye filter method and apparatus395US 6,407,777 B12002
- Method and apparatus for determining the position of eyes and for correcting eye-defects in a captured frame380US 6,134,339 AEastman Kodak Company · 2000
- Headwear with computer and optical element for use therewith and systems utilizing same333US 10,509,466 B1Snap Inc. · 2019