G06T 5/40
Image enhancement or restoration: using histogram techniques
Official title: using histogram techniques
G06T5/40 (Image enhancement or restoration: using histogram techniques) appears on 2,079 US grants and 2,216 published applications in this corpus.
Search patents in G06T- Granted patents
- 2,079
- Published applications
- 2,216
- Assignees
- 937
- Inventors
- 4,304
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 4 | 0 |
| 1989 | 3 | 0 |
| 1990 | 7 | 0 |
| 1991 | 13 | 0 |
| 1992 | 6 | 0 |
| 1993 | 7 | 0 |
| 1994 | 8 | 0 |
| 1995 | 9 | 0 |
| 1996 | 10 | 0 |
| 1997 | 14 | 0 |
| 1998 | 20 | 0 |
| 1999 | 20 | 0 |
| 2000 | 23 | 0 |
| 2001 | 14 | 8 |
| 2002 | 15 | 22 |
| 2003 | 24 | 51 |
| 2004 | 25 | 49 |
| 2005 | 21 | 67 |
| 2006 | 45 | 62 |
| 2007 | 42 | 77 |
| 2008 | 56 | 89 |
| 2009 | 52 | 96 |
| 2010 | 60 | 73 |
| 2011 | 70 | 64 |
| 2012 | 105 | 50 |
| 2013 | 70 | 75 |
| 2014 | 77 | 78 |
| 2015 | 90 | 112 |
| 2016 | 106 | 112 |
| 2017 | 106 | 80 |
| 2018 | 85 | 123 |
| 2019 | 112 | 107 |
| 2020 | 120 | 135 |
| 2021 | 134 | 122 |
| 2022 | 99 | 112 |
| 2023 | 104 | 130 |
| 2024 | 102 | 128 |
| 2025 | 102 | 105 |
| 2026 | 93 | 89 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Tone mapping via dynamic histogram matching6 Oct 2026US 12,755,340 B2Microsoft Technology Licensing, LLC
- Dynamic edge enhancement in video6 Oct 2026US 12,755,666 B2Visteon Global Technologies, Inc.
- Digital rear mirror control apparatus of a vehicle and control method thereof29 Sep 2026US 12,746,878 B2Thinkware Corporation
- Identifying noise in image data29 Sep 2026US 12,749,163 B1NVIDIA Corporation
- Virtual clothing try-on29 Sep 2026US 12,749,230 B2Snap Inc.
- Automatically authenticating and inputting object information8 Oct 2026US 2026/0311340 A1Versant Media, LLC
- Image processing apparatus, image processing method, and non-transitory computer-readable medium8 Oct 2026US 2026/0313066 A1Sharp Kabushiki Kaisha
- Image processing apparatus, image processing method, and non-transitory computer-readable medium8 Oct 2026US 2026/0313067 A1Sharp Kabushiki Kaisha
- Image acquisition and decoding processes for data reading systems1 Oct 2026US 2026/0300949 A1Datalogic IP Tech S.R.L.
- Cross-camera color constancy using calibrated color correction matrices1 Oct 2026US 2026/0301226 A1Samsung Electronics Co., Ltd.
Most cited
By later US patents
- Methods for differential image quality enhancement for a multiple detector system, systems and use thereof1,019US 9,471,969 B2ExxonMobil Upstream Research Company · 2016
- Radiographic image enhancement comparison and storage requirement reduction system679US 5,740,267 A1998
- Brightness adjustment of images using digital scene analysis306US 5,724,456 APolaroid Corporation · 1998
- Method and apparatus for producing digital images having extended dynamic ranges246US 5,828,793 AMassachusetts Institute of Technology · 1998
- Method and apparatus for automatic detection of image target gamma194US 6,192,149 B1Xerox Corporation · 2001