G06T 2207/20056
Discrete and fast fourier transform, [dft, fft]
Official title: Discrete and fast Fourier transform, [DFT, FFT]
G06T2207/20056 (Discrete and fast fourier transform, [dft, fft]) appears on 1,073 US grants and 1,177 published applications in this corpus.
Search patents in G06T- Granted patents
- 1,073
- Published applications
- 1,177
- Assignees
- 654
- Inventors
- 2,712
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 3 | 0 |
| 1991 | 5 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 8 | 0 |
| 1997 | 7 | 0 |
| 1998 | 8 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 6 |
| 2003 | 10 | 9 |
| 2004 | 6 | 18 |
| 2005 | 7 | 17 |
| 2006 | 18 | 22 |
| 2007 | 16 | 19 |
| 2008 | 8 | 14 |
| 2009 | 14 | 21 |
| 2010 | 15 | 26 |
| 2011 | 14 | 22 |
| 2012 | 27 | 24 |
| 2013 | 33 | 45 |
| 2014 | 30 | 31 |
| 2015 | 52 | 53 |
| 2016 | 42 | 64 |
| 2017 | 48 | 62 |
| 2018 | 56 | 66 |
| 2019 | 77 | 77 |
| 2020 | 76 | 80 |
| 2021 | 62 | 78 |
| 2022 | 84 | 100 |
| 2023 | 88 | 90 |
| 2024 | 77 | 94 |
| 2025 | 81 | 87 |
| 2026 | 53 | 50 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image analyzer for material structure using Fourier transform and principal component analysis6 Oct 2026US 12,755,511 B2Toyota Jidosha Kabushiki Kaisha
- Imaging methods for dispersion energy spectrums of surface waves, electronic devices, and storage media29 Sep 2026US 12,748,230 B2Southwest Petroleum University
- Method of generating a de-interlacing filter and image processing apparatus29 Sep 2026US 12,749,164 B2Melexis Technologies SA
- Color angle scanning in crop row detection22 Sep 2026US 12,744,870 B2Raven Industries, Inc.
- System and method for measuring water depth using radar image processing15 Sep 2026US 12,737,901 B2Korea Institute of Ocean Science & Technology
- Method and apparatus for imaging of cells for the quantitative phase imaging of cells8 Oct 2026US 2026/0311327 A1Thrive Bioscience, Inc.
- Method of generating image and device for performing the same24 Sep 2026US 2026/0289732 A1Electronics and Telecommunications Research Institute
- State detection apparatus24 Sep 2026US 2026/0289968 A1Hitachi, Ltd.
- State detection apparatus24 Sep 2026US 2026/0289969 A1Hitachi, Ltd.
- Radar-Based Perception for Autonomous Vehicles Using End-to-End (E2E) Machine Learning3 Sep 2026US 2026/0259319 A1Motional AD LLC
Most cited
By later US patents
- Moisture sensor and windshield fog detector using an image sensor789US 5,923,027 AGentex Corporation · 1999
- Moisture sensor and windshield fog detector490US 6,097,024 AGentex Corporation · 2000
- Method and system for enhancing digital images222US 6,771,833 B1Eastman Kodak Company · 2004
- Method and apparatus for managing artifacts in frequency domain processing of light-field images180US 8,244,058 B1Adobe Systems Incorporated · 2012
- Autosegmentation/autocontouring system and method for use with three-dimensional radiation therapy treatment planning170US 5,859,891 A1999