H04N 19/126
Details of normalisation or weighting functions
Official title: Details of normalisation or weighting functions, e.g. normalisation matrices or variable uniform quantisers
H04N19/126 (Details of normalisation or weighting functions) appears on 2,913 US grants and 2,898 published applications in this corpus.
Search patents in H04N- Granted patents
- 2,913
- Published applications
- 2,898
- Assignees
- 517
- Inventors
- 2,732
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 8 | 0 |
| 1991 | 8 | 0 |
| 1992 | 29 | 0 |
| 1993 | 28 | 0 |
| 1994 | 42 | 0 |
| 1995 | 41 | 0 |
| 1996 | 69 | 0 |
| 1997 | 63 | 0 |
| 1998 | 89 | 0 |
| 1999 | 58 | 0 |
| 2000 | 59 | 0 |
| 2001 | 51 | 18 |
| 2002 | 51 | 71 |
| 2003 | 64 | 99 |
| 2004 | 42 | 68 |
| 2005 | 60 | 95 |
| 2006 | 77 | 89 |
| 2007 | 55 | 98 |
| 2008 | 68 | 78 |
| 2009 | 52 | 191 |
| 2010 | 139 | 316 |
| 2011 | 138 | 89 |
| 2012 | 76 | 66 |
| 2013 | 83 | 107 |
| 2014 | 101 | 109 |
| 2015 | 85 | 132 |
| 2016 | 88 | 97 |
| 2017 | 118 | 101 |
| 2018 | 112 | 122 |
| 2019 | 125 | 111 |
| 2020 | 125 | 125 |
| 2021 | 115 | 123 |
| 2022 | 121 | 157 |
| 2023 | 112 | 109 |
| 2024 | 138 | 141 |
| 2025 | 140 | 128 |
| 2026 | 69 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for encoding/decoding a video using a motion compensation based on motion vector resolution information29 Sep 2026US 12,750,498 B2Lx Semicon Co., Ltd.
- Features of base color index map mode for video and image coding and decoding29 Sep 2026US 12,750,522 B2Microsoft Technology Licensing, LLC
- Intra prediction method and apparatus22 Sep 2026US 12,744,913 B2Electronics and Telecommunications Research Institute
- Image decoding method and image encoding method using motion compensation, and transmission method for image data15 Sep 2026US 12,739,402 B2Lx Semicon Co., Ltd.
- Method and apparatus for encoding/decoding a video using a motion compensation based on motion vector resolution information15 Sep 2026US 12,739,404 B2Lx Semicon Co., Ltd.
- Enhanced video coding using region-based adaptive quality tuning8 Oct 2026US 2026/0313122 A1Intel Corporation
- Weighted angular prediction for intra coding1 Oct 2026US 2026/0303834 A1ARRIS Enterprises LLC
- Systems and methods for signaling and derivation of quantization parameters for a frame-level interpolation prediction mode3 Sep 2026US 2026/0261714 A1Tencent America LLC
- Methods and apparatus for determining quantization parameter predictors from a plurality of neighboring quantization parameters27 Aug 2026US 2026/0254960 A1InterDigital VC Holdings, Inc.
- Video encoding using inference of quantization matrix20 Aug 2026US 2026/0246935 A1Mellanox Technologies, Ltd.
Most cited
By later US patents
- Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback444US 4,302,775 ACompression Labs, Inc. · 1981
- Method for configuring a statistical multiplexer to dynamically allocate communication channel bandwidth403US 5,506,844 ACompression Labs, Inc. · 1996
- Motion video compression system with adaptive bit allocation and quantization401US 5,231,484 AInternational Business Machines Corporation · 1993
- Portable compact imaging and displaying apparatus305US 5,825,408 ACasio Computer Co., Ltd. · 1998
- Adaptive block transform image coding method and apparatus291US 4,774,574 AEastman Kodak Company · 1988