G06T 2207/20052
Discrete cosine transform [dct]
Official title: Discrete cosine transform [DCT]
G06T2207/20052 (Discrete cosine transform [dct]) appears on 202 US grants and 221 published applications in this corpus.
Search patents in G06T- Granted patents
- 202
- Published applications
- 221
- Assignees
- 143
- Inventors
- 483
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 2 |
| 2002 | 3 | 3 |
| 2003 | 6 | 3 |
| 2004 | 0 | 9 |
| 2005 | 1 | 10 |
| 2006 | 4 | 5 |
| 2007 | 6 | 8 |
| 2008 | 11 | 6 |
| 2009 | 2 | 8 |
| 2010 | 3 | 7 |
| 2011 | 9 | 4 |
| 2012 | 6 | 2 |
| 2013 | 7 | 7 |
| 2014 | 7 | 11 |
| 2015 | 11 | 10 |
| 2016 | 7 | 6 |
| 2017 | 8 | 12 |
| 2018 | 10 | 5 |
| 2019 | 4 | 15 |
| 2020 | 12 | 8 |
| 2021 | 6 | 16 |
| 2022 | 20 | 12 |
| 2023 | 7 | 16 |
| 2024 | 12 | 13 |
| 2025 | 12 | 14 |
| 2026 | 13 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Evaluation method, semiconductor device manufacturing method, and evaluation system6 Oct 2026US 12,755,375 B2Kioxia Corporation
- Discrete cosine hyperprior in neural image coding25 Aug 2026US 12,719,943 B2QUALCOMM Incorporated
- Referenceless image evaluation method for capsule endoscope, electronic device, and medium18 Aug 2026US 12,711,611 B2Ankon Technologies Co., Ltd
- State detection apparatus28 Jul 2026US 12,694,646 B2Hitachi, Ltd.
- Generating images using sparse representations30 Jun 2026US 12,670,627 B2GDM Holding LLC
- State detection apparatus24 Sep 2026US 2026/0289968 A1Hitachi, Ltd.
- State detection apparatus24 Sep 2026US 2026/0289969 A1Hitachi, Ltd.
- Generative video artifact removal27 Aug 2026US 2026/0253182 A1Sima Labs, Inc.
- Image processing noise reduction6 Aug 2026US 2026/0228864 A1Contrast, Inc.
- Logo Recognition In Images And Videos7 May 2026US 2026/0127871 A1Gracenote, Inc.
Most cited
By later US patents
- Channel scanning and channel change latency reduction in an ATSC television receiver190US 6,118,498 ASarnoff Corporation · 2000
- Using encoding cost data for segmentation of compressed image sequences119US 6,058,210 AXerox Corporation · 2000
- Method and apparatus for selectively adjusting the brightness of large regions of an image111US 5,235,434 APolaroid Corporation · 1993
- System and method for automatically processing image data to provide images of optimal perceptual quality79US 5,694,484 APolaroid Corporation · 1997
- Logo recognition in images and videos77US 10,007,863 B1Gracenote, Inc. · 2018