H04N 1/32187
With selective or adaptive application of the additional information
Official title: {with selective or adaptive application of the additional information, e.g. in selected frequency coefficients}
H04N1/32187 (With selective or adaptive application of the additional information) appears on 210 US grants and 185 published applications in this corpus.
Search patents in H04N- Granted patents
- 210
- Published applications
- 185
- Assignees
- 80
- Inventors
- 254
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 13 | 7 |
| 2002 | 5 | 9 |
| 2003 | 11 | 13 |
| 2004 | 19 | 15 |
| 2005 | 7 | 25 |
| 2006 | 20 | 18 |
| 2007 | 8 | 14 |
| 2008 | 16 | 13 |
| 2009 | 14 | 16 |
| 2010 | 18 | 10 |
| 2011 | 14 | 13 |
| 2012 | 19 | 4 |
| 2013 | 13 | 4 |
| 2014 | 2 | 4 |
| 2015 | 3 | 4 |
| 2016 | 3 | 5 |
| 2017 | 2 | 5 |
| 2018 | 8 | 3 |
| 2019 | 3 | 2 |
| 2020 | 1 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Determine whether OCR is to be performed for optimizing optical character recognition process1 Jul 2025US 12,348,691 B2FUJIFILM Business Innovation Corp.
- Methods and systems for securing confidential content of a document while printing and/or generating a copy of the document16 May 2023US 11,652,941 B1Xerox Corporation
- Method for determining whether printed encoding information is not falsified4 Feb 2020US 10,554,851 B2Dande Image Master Co., Ltd., Zhuhai
- Feature-based signal localization in digital capture systems29 Oct 2019US 10,460,413 B2Digimarc Corporation
- Sparse modulation for robust signaling and synchronization1 Oct 2019US 10,432,818 B2Digimarc Corporation
- Information processing apparatus, non-transitory computer readable medium storing program, and information processing method30 Mar 2023US 2023/0102476 A1FUJIFILM Business Innovation Corp.
- Feature-based signal localization in digital capture systems9 May 2019US 2019/0139175 A1Digimarc Corporation
- Display content currentness validation18 Apr 2019US 2019/0114733 A1Red Hat, Inc.
- Method and system for embedding information into encoding information20 Sep 2018US 2018/0268271 A1Dande Image Master Co., Ltd., Zhuhai
- Document printing using hardware-independent pattern ink cells26 Jul 2018US 2018/0213112 A1Xerox Corporation
Most cited
By later US patents
- Watermark embedder and reader942US 6,614,914 B1Digimarc Corporation · 2003
- Steganographic method and device844US 5,613,004 ADice Corporation · 1997
- Secure spread spectrum watermarking for multimedia data664US 5,930,369 ANEC Research Institute, Inc. · 1999
- Steganographic method and device605US 5,687,236 ADice Corporation · 1997
- Spread spectrum watermark for embedded signalling442US 5,848,155 ANEC Research Institute, Inc. · 1998