G06F 18/213
Feature extraction
Official title: Feature extraction, e.g. by transforming the feature space; Summarisation; Mappings, e.g. subspace methods
G06F18/213 (Feature extraction) appears on 2,428 US grants and 3,014 published applications in this corpus.
Search patents in G06F- Granted patents
- 2,428
- Published applications
- 3,014
- Assignees
- 1,184
- Inventors
- 7,204
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 2 | 0 |
| 1995 | 4 | 0 |
| 1996 | 7 | 0 |
| 1997 | 4 | 0 |
| 1998 | 8 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 8 | 1 |
| 2002 | 11 | 16 |
| 2003 | 25 | 36 |
| 2004 | 16 | 26 |
| 2005 | 25 | 39 |
| 2006 | 16 | 41 |
| 2007 | 25 | 36 |
| 2008 | 25 | 45 |
| 2009 | 31 | 48 |
| 2010 | 48 | 69 |
| 2011 | 38 | 50 |
| 2012 | 61 | 62 |
| 2013 | 74 | 71 |
| 2014 | 59 | 65 |
| 2015 | 60 | 68 |
| 2016 | 72 | 71 |
| 2017 | 69 | 101 |
| 2018 | 73 | 150 |
| 2019 | 152 | 214 |
| 2020 | 155 | 282 |
| 2021 | 188 | 393 |
| 2022 | 221 | 295 |
| 2023 | 261 | 310 |
| 2024 | 267 | 164 |
| 2025 | 240 | 189 |
| 2026 | 156 | 172 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- G06F 18/2135Based on approximation criteria710
- G06F 18/2134Based on separation criteria344
- G06F 18/2137Based on criteria of topology preservation323
- G06F 18/2132Based on discrimination criteria291
- G06F 18/2136Based on sparsity criteria153
- G06F 18/2133Based on naturality criteria49
- G06F 18/2131Based on a transform domain processing20
Recent patents
- Systems and methods of sensor data fusion6 Oct 2026US 12,754,977 B2Digital Global Systems, Inc.
- Knowledge expansion for improving machine learning6 Oct 2026US 12,755,148 B2International Business Machines Corporation
- System and method for experiential manifold cognition in persistent cognitive machines6 Oct 2026US 12,755,210 B2Atom Beam Technologies Inc.
- Anomaly detection and anomalous patterns identification29 Sep 2026US 12,748,821 B2International Business Machines Corporation
- Systems and methods of sensor data fusion29 Sep 2026US 12,748,823 B2Digital Global Systems, Inc.
- Techniques to embed a data object into a multidimensional frame8 Oct 2026US 2026/0310752 A1Capital One Services, LLC
- Identifier velocity anomaly detection1 Oct 2026US 2026/0300434 A1AT&T Intellectual Property I, L. P.
- Method and device for event-processing1 Oct 2026US 2026/0300683 A1
- Apparatus, systems, and methods for store-level analysis using artificial intelligence1 Oct 2026US 2026/0300833 A1Nielsen Consumer LLC
- Algorithmic Suggestions Based on a Universal Data Scaffold24 Sep 2026US 2026/0288695 A1Thinkspan, LLC
Most cited
By later US patents
- Face recognition system439US 5,164,992 AMassachusetts Institute of Technology · 1992
- Detecting and tracking objects in images423US 7,574,020 B2GestureTek, Inc. · 2009
- Monocular tracking of 3D human motion with a coordinated mixture of factor analyzers387US 7,450,736 B2Honda Motor Co., Ltd. · 2008
- Probabilistic information retrieval based on differential latent semantic space320US 6,654,740 B2Sunflare Co., Ltd. · 2003
- Apparatus and method for selecting a working data set for model development236US 5,809,490 AAspen Technology, Inc. · 1998