H04N 1/32203
Spatial or amplitude domain methods
Official title: {Spatial or amplitude domain methods (H04N1/32309 takes precedence)}
H04N1/32203 (Spatial or amplitude domain methods) appears on 1,180 US grants and 1,067 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,180
- Published applications
- 1,067
- Assignees
- 286
- Inventors
- 1,239
- Latest grant
- 8 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 | 11 | 0 |
| 1998 | 20 | 0 |
| 1999 | 16 | 0 |
| 2000 | 18 | 0 |
| 2001 | 33 | 26 |
| 2002 | 33 | 83 |
| 2003 | 55 | 66 |
| 2004 | 64 | 50 |
| 2005 | 33 | 59 |
| 2006 | 63 | 74 |
| 2007 | 47 | 80 |
| 2008 | 67 | 92 |
| 2009 | 58 | 89 |
| 2010 | 74 | 76 |
| 2011 | 91 | 60 |
| 2012 | 103 | 32 |
| 2013 | 61 | 26 |
| 2014 | 34 | 18 |
| 2015 | 32 | 21 |
| 2016 | 28 | 34 |
| 2017 | 32 | 34 |
| 2018 | 34 | 20 |
| 2019 | 31 | 22 |
| 2020 | 24 | 28 |
| 2021 | 28 | 22 |
| 2022 | 24 | 24 |
| 2023 | 20 | 12 |
| 2024 | 16 | 12 |
| 2025 | 16 | 4 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 1/32208Involving changing the magnitude of selected pixels622
- H04N 1/32229With selective or adaptive application of the additional information487
- H04N 1/32251In multilevel data447
- H04N 1/32219Involving changing the position of selected pixels150
- H04N 1/32256In halftone data128
- H04N 1/32261In binary data114
- H04N 1/32224Replacing pixels of an image with other pixels from the same image28
Recent patents
- Method of generating multiplexed image for printing based on color values gamut-mapped to inside maximum volume hyperrectangle8 Sep 2026US 12,732,586 B2Centre National De La Recherche Scientifique
- Anti-leak digital document marking system and method using distributed ledger25 Aug 2026US 12,718,311 B1Equity Shift, Inc.
- Halftone screens encoding signatures21 Apr 2026US 12,610,019 B2Hewlett-Packard Development Company, L. P.
- Halftone screen tiles9 Dec 2025US 12,495,118 B2Hewlett-Packard Development Company, L. P.
- Anti-leak digital document marking system and method using distributed ledger4 Nov 2025US 12,462,321 B1Equity Shift, Inc.
- Method of generating a secured colour image, and method of detecting tampering6 Aug 2026US 2026/0228850 A1Sicpa Holding SA
- Systems and methods for encoding information in documents18 Jun 2026US 2026/0172522 A1Xerox Corporation
- Method for building a blockchain15 Jan 2026US 2026/0017653 A1BASF SE
- Image processing apparatus, image processing method, and storage medium14 Aug 2025US 2025/0260776 A1Canon Kabushiki Kaisha
- Digital (on screen) monochromatic watermark3 Jul 2025US 2025/0217919 A1Xerox Corporation
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