G06V 30/187
Frequency domain transformation
Official title: {Frequency domain transformation; Autocorrelation}
G06V30/187 (Frequency domain transformation) appears on 16 US grants and 13 published applications in this corpus.
Search patents in G06V- Granted patents
- 16
- Published applications
- 13
- Assignees
- 13
- Inventors
- 38
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 2 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 1 |
| 2009 | 1 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 2 | 1 |
| 2020 | 1 | 0 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 0 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Connecting vision and language using fourier transform19 May 2026US 12,633,146 B2Sap SE
- Systems and methods for identifying and correcting blurred components within images6 Jan 2026US 12,518,347 B2Capital One Services, LLC
- Scalable structure learning via context-free recursive document decomposition30 Nov 2021US 11,188,748 B2International Business Machines Corporation
- Methods and apparatus for imaging of layers6 Oct 2020US 10,796,190 B2Georgia Tech Research Corporation
- Method and apparatus for transformation of dot text in an image into stroked characters based on dot pitches5 Mar 2019US 10,223,618 B1Matrox Electronic Systems, Ltd.
- Systems and methods for identifying and correcting blurred components within images26 Mar 2026US 2026/0087595 A1Capital One Services, LLC
- Curve retraining decision system5 Mar 2026US 2026/0065658 A1Schlumberger Technology Corporation
- Connecting vision and language using fourier transform18 Apr 2024US 2024/0127616 A1Sap SE
- Systems and methods for blur identification and correction22 Feb 2024US 2024/0062338 A1Capital One Services, LLC
- Method and system for frequency coding image data14 Apr 2022US 2022/0114386 A1
Most cited
By later US patents
- Method and apparatus for pattern recognition183US 4,817,176 A1989
- Method and system for extracting features in a pattern recognition system113US 6,178,261 B1The Regents of the University of Michigan · 2001
- Apparatus including a pair of neural networks having disparate functions cooperating to perform instruction recognition91US 5,426,745 AHitachi, Ltd. · 1995
- Authentication of identification documents and banknotes83US 7,239,734 B2Digimarc Corporation · 2007
- Tamper-resistant authentication techniques for identification documents80US 6,978,036 B2Digimarc Corporation · 2005