G06V 30/18038
Biologically-inspired filters
Official title: {Biologically-inspired filters, e.g. difference of Gaussians [DoG], Gabor filters}
G06V30/18038 (Biologically-inspired filters) appears on 225 US grants and 249 published applications in this corpus.
Search patents in G06V- Granted patents
- 225
- Published applications
- 249
- Assignees
- 151
- Inventors
- 610
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 2 |
| 2008 | 0 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 1 | 4 |
| 2018 | 4 | 29 |
| 2019 | 15 | 18 |
| 2020 | 22 | 24 |
| 2021 | 26 | 44 |
| 2022 | 31 | 46 |
| 2023 | 35 | 31 |
| 2024 | 28 | 14 |
| 2025 | 27 | 25 |
| 2026 | 11 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Variance aware techniques to prune neural networks14 Jul 2026US 12,682,240 B1NVIDIA Corporation
- Method of operating image processor generating top-down heat map and electronic device having the image processor30 Jun 2026US 12,670,599 B2Electronics and Telecommunications Research Institute
- Methods and systems for testing an optical character recognition model26 May 2026US 12,639,969 B2The Boeing Company
- Data extraction service21 Apr 2026US 12,608,537 B2Target Brands, Inc.
- Methods and systems for graph-inference-based text extraction from unstructured documents7 Apr 2026US 12,597,283 B2Sciome, LLC
- Variance aware techniques to prune neural networks8 Oct 2026US 2026/0310965 A1NVIDIA Corporation
- Method and system for single pass optical character recognition24 Sep 2026US 2026/0289995 A1
- Unsupervised text region identification24 Sep 2026US 2026/0290058 A1Open Text Holdings, Inc.
- Surface-based user input for extended reality6 Aug 2026US 2026/0227844 A1Snap Inc.
- Methods and apparatus for extracting data from a document by encoding it with textual and visual features and using machine learning16 Jul 2026US 2026/0203717 A1Greenhouse Software, Inc.
Most cited
By later US patents
- Hierarchical constrained automatic learning neural network for character recognition134US 5,067,164 AAT&T Bell Laboratories · 1991
- Training convolutional neural networks on graphics processing units102US 7,747,070 B2Microsoft Corporation · 2010
- Self organizing neural network method and system for general classification of patterns96US 5,048,100 A1991
- Object/anti-object neural network segmentation96US 5,245,672 AThe United States of America as represented by the Secretary of Commerce · 1993
- Systems and methods for recognizing characters in digitized documents86US 10,354,168 B2A2iA S.A. · 2019