H04N 21/4545
Input to filtering algorithms
Official title: Input to filtering algorithms, e.g. filtering a region of the image
H04N21/4545 (Input to filtering algorithms) appears on 363 US grants and 460 published applications in this corpus.
Search patents in H04N- Granted patents
- 363
- Published applications
- 460
- Assignees
- 188
- Inventors
- 865
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 3 |
| 2002 | 5 | 6 |
| 2003 | 4 | 7 |
| 2004 | 5 | 11 |
| 2005 | 4 | 9 |
| 2006 | 4 | 9 |
| 2007 | 3 | 14 |
| 2008 | 3 | 4 |
| 2009 | 3 | 23 |
| 2010 | 3 | 16 |
| 2011 | 8 | 7 |
| 2012 | 12 | 20 |
| 2013 | 13 | 13 |
| 2014 | 16 | 17 |
| 2015 | 20 | 29 |
| 2016 | 22 | 26 |
| 2017 | 18 | 22 |
| 2018 | 22 | 20 |
| 2019 | 30 | 36 |
| 2020 | 31 | 33 |
| 2021 | 27 | 28 |
| 2022 | 27 | 27 |
| 2023 | 27 | 28 |
| 2024 | 18 | 18 |
| 2025 | 24 | 18 |
| 2026 | 10 | 16 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Systems and methods for classification and delivery of content22 Sep 2026US 12,744,962 B2Comcast Cable Communications, LLC
- Content filter for information handling systems8 Sep 2026US 12,732,661 B2Dell Products L. P.
- Electronic device, operating method and computer readable storage medium for providing post masking within image when shooting video18 Aug 2026US 12,711,726 B2Samsung Electronics Co., Ltd.
- Realtime wireless synchronization of live event audio stream with a video recording16 Jun 2026US 12,660,290 B2Bygge Technologies Inc.
- Sensitivity assessment for media production using artificial intelligence21 Apr 2026US 12,610,106 B2Warner Bros. Entertainment Inc.
- Technique for handling filtering-related information in a core network domain of a wireless communication network8 Oct 2026US 2026/0313180 A1Telefonaktiebolaget LM Ericsson (publ)
- Realtime wireless synchronization of live event audio stream with a video recording8 Oct 2026US 2026/0314022 A1Bygge Technologies Inc.
- Systems and methods for notifying a user when activity exceeds an authorization level17 Sep 2026US 2026/0281500 A1Adeia Guides Inc.
- Method and apparatus for encapsulating and parsing a media file comprising neural network based post filter information17 Sep 2026US 2026/0281518 A1
- Systems and methods for scene change recommendations10 Sep 2026US 2026/0270512 A1Adeia Guides Inc.
Most cited
By later US patents
- Parental control for CATV converters401US 4,718,107 ARCA Corporation · 1988
- Dynamic modification of multimedia content224US 6,317,795 B1International Business Machines Corporation · 2001
- Viewer customization of displayed programming based on transmitted URLs173US 6,792,618 B1Lucent Technologies Inc. · 2004
- Method and system for interactively capturing organizing and presenting information generated from television programs to viewers130US 6,564,383 B1International Business Machines Corporation · 2003
- Automated cinematic decisions based on descriptive models106US 10,511,808 B2Facebook, Inc. · 2019