H04N 19/124
Quantisation
H04N19/124 (Quantisation) appears on 8,861 US grants and 9,854 published applications in this corpus.
Search patents in H04N- Granted patents
- 8,861
- Published applications
- 9,854
- Assignees
- 1,148
- Inventors
- 7,292
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 5 | 0 |
| 1981 | 4 | 0 |
| 1982 | 0 | 0 |
| 1983 | 6 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 10 | 0 |
| 1988 | 10 | 0 |
| 1989 | 14 | 0 |
| 1990 | 21 | 0 |
| 1991 | 15 | 0 |
| 1992 | 41 | 0 |
| 1993 | 48 | 0 |
| 1994 | 66 | 0 |
| 1995 | 65 | 0 |
| 1996 | 88 | 0 |
| 1997 | 112 | 0 |
| 1998 | 135 | 0 |
| 1999 | 108 | 0 |
| 2000 | 110 | 0 |
| 2001 | 102 | 53 |
| 2002 | 107 | 145 |
| 2003 | 129 | 171 |
| 2004 | 95 | 165 |
| 2005 | 117 | 225 |
| 2006 | 148 | 224 |
| 2007 | 115 | 260 |
| 2008 | 148 | 254 |
| 2009 | 117 | 333 |
| 2010 | 222 | 433 |
| 2011 | 233 | 240 |
| 2012 | 302 | 203 |
| 2013 | 236 | 319 |
| 2014 | 282 | 340 |
| 2015 | 278 | 487 |
| 2016 | 373 | 447 |
| 2017 | 466 | 490 |
| 2018 | 426 | 461 |
| 2019 | 488 | 505 |
| 2020 | 570 | 517 |
| 2021 | 423 | 550 |
| 2022 | 552 | 640 |
| 2023 | 474 | 512 |
| 2024 | 583 | 730 |
| 2025 | 615 | 663 |
| 2026 | 390 | 487 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and apparatus for reconstructing image using image partitioning with rotation information6 Oct 2026US 12,756,821 B2B1 Institute of Image Technology, Inc.
- Image coding method, image decoding method, image coding apparatus, image decoding apparatus, and image coding and decoding apparatus6 Oct 2026US 12,756,822 B2Sun Patent Trust
- Systems and methods for applying deblocking filters to reconstructed video data6 Oct 2026US 12,756,823 B2Sharp Kabushiki Kaisha
- Encoding and decoding methods and apparatuses with multiple image block division manners6 Oct 2026US 12,756,825 B2Huawei Technologies Co., Ltd.
- Method and apparatus for chrominance quantization parameters signalling6 Oct 2026US 12,756,831 B2Huawei Technologies Co., Ltd.
- Image data encoding/decoding method and apparatus8 Oct 2026US 2026/0313083 A1B1 Institute of Image Technology, Inc.
- Encoder, decoder, encoding method, and decoding method8 Oct 2026US 2026/0313120 A1Panasonic Intellectual Property Corporation of America
- Enhanced video coding using region-based adaptive quality tuning8 Oct 2026US 2026/0313122 A1Intel Corporation
- Time-Variant Multi-Hypothesis Probability Model Update For Entropy Coding8 Oct 2026US 2026/0313123 A1Google Inc.
- Video signal processing method and device8 Oct 2026US 2026/0313137 A1Kt Corporation
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
- Encoding/decoding moving images with forward and backward keyframes for forward and reverse display409US 5,267,334 AApple Computer, Inc. · 1993
- 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
- Adaptive coding and decoding of frames and fields of video387US 5,227,878 AAT&T Bell Laboratories · 1993