H04N 1/32149
Methods relating to embedding, encoding, decoding, detection or retrieval operations
Official title: {Methods relating to embedding, encoding, decoding, detection or retrieval operations}
H04N1/32149 (Methods relating to embedding, encoding, decoding, detection or retrieval operations) appears on 2,245 US grants and 2,160 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,245
- Published applications
- 2,160
- Assignees
- 570
- Inventors
- 2,610
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 6 | 0 |
| 1997 | 15 | 0 |
| 1998 | 24 | 0 |
| 1999 | 21 | 0 |
| 2000 | 33 | 0 |
| 2001 | 54 | 47 |
| 2002 | 45 | 132 |
| 2003 | 81 | 119 |
| 2004 | 105 | 94 |
| 2005 | 61 | 128 |
| 2006 | 112 | 119 |
| 2007 | 95 | 139 |
| 2008 | 99 | 137 |
| 2009 | 98 | 132 |
| 2010 | 116 | 121 |
| 2011 | 138 | 93 |
| 2012 | 157 | 70 |
| 2013 | 113 | 55 |
| 2014 | 75 | 55 |
| 2015 | 80 | 84 |
| 2016 | 76 | 101 |
| 2017 | 99 | 100 |
| 2018 | 90 | 70 |
| 2019 | 90 | 66 |
| 2020 | 72 | 73 |
| 2021 | 67 | 53 |
| 2022 | 67 | 62 |
| 2023 | 59 | 41 |
| 2024 | 44 | 34 |
| 2025 | 38 | 21 |
| 2026 | 10 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 1/32203Spatial or amplitude domain methods1,180
- H04N 1/32288Multiple embedding626
- H04N 1/32154Transform domain methods559
- H04N 1/32267Combined with processing of the image487
- H04N 1/32309In colour image data444
- H04N 1/3232Robust embedding or watermarking263
- H04N 1/32315Selecting a particular method from amongst a plurality of methods53
- H04N 1/32331Fragile embedding or watermarking51
All 11 subgroupsShow fewer
Recent patents
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- Robust vision transformers10 Sep 2026US 2026/0268649 A1NVIDIA Corporation
- Information processing system and method and non-transitory computer readable medium10 Sep 2026US 2026/0270359 A1FUJIFILM Business Innovation Corp.
- Information processing device, print method, and computer-readable medium20 Aug 2026US 2026/0246885 A1Etria Co., Ltd.
- Method of generating a secured colour image, and method of detecting tampering6 Aug 2026US 2026/0228850 A1Sicpa Holding SA
- Information processing apparatus, method, and program30 Jul 2026US 2026/0220308 A1Le-Techs Inc.
Most cited
By later US patents
- Methods for surveying dissemination of proprietary empirical data1,132US 5,862,260 ADigimarc Corporation · 1999
- Computer system linked by using information in data objects1,131US 6,122,403 ADigimarc Corporation · 2000
- Linking of computers based on optical sensing of digital data942US 6,311,214 B1Digimarc Corporation · 2001
- Watermark embedder and reader942US 6,614,914 B1Digimarc Corporation · 2003
- Connected audio and other media objects859US 6,505,160 B1Digimarc Corporation · 2003