H04N 19/13
Adaptive entropy coding
Official title: Adaptive entropy coding, e.g. adaptive variable length coding [AVLC] or context adaptive binary arithmetic coding [CABAC]
H04N19/13 (Adaptive entropy coding) appears on 4,792 US grants and 5,391 published applications in this corpus.
Search patents in H04N- Granted patents
- 4,792
- Published applications
- 5,391
- Assignees
- 636
- Inventors
- 3,276
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 17 | 0 |
| 1992 | 17 | 0 |
| 1993 | 26 | 0 |
| 1994 | 43 | 0 |
| 1995 | 50 | 0 |
| 1996 | 62 | 0 |
| 1997 | 79 | 0 |
| 1998 | 99 | 0 |
| 1999 | 68 | 0 |
| 2000 | 35 | 0 |
| 2001 | 33 | 22 |
| 2002 | 27 | 44 |
| 2003 | 44 | 71 |
| 2004 | 38 | 67 |
| 2005 | 49 | 124 |
| 2006 | 62 | 145 |
| 2007 | 55 | 123 |
| 2008 | 63 | 92 |
| 2009 | 65 | 105 |
| 2010 | 85 | 87 |
| 2011 | 83 | 110 |
| 2012 | 126 | 159 |
| 2013 | 118 | 200 |
| 2014 | 146 | 185 |
| 2015 | 149 | 283 |
| 2016 | 265 | 229 |
| 2017 | 296 | 262 |
| 2018 | 272 | 253 |
| 2019 | 249 | 246 |
| 2020 | 290 | 269 |
| 2021 | 217 | 291 |
| 2022 | 285 | 361 |
| 2023 | 267 | 331 |
| 2024 | 357 | 473 |
| 2025 | 368 | 456 |
| 2026 | 261 | 403 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Arithmetic encoder for arithmetically encoding and arithmetic decoder for arithmetically decoding a sequence of information values, methods for arithmetically encoding and decoding a sequence of information values and computer program for implementing these methods6 Oct 2026US 12,756,405 B2Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e. V.
- Method and apparatus for reconstructing image using image partitioning with rotation information6 Oct 2026US 12,756,821 B2B1 Institute of Image Technology, Inc.
- Method for decoding video from video bitstream, method for encoding video, video decoder, and video encoder6 Oct 2026US 12,756,847 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Video pixel throughput scalability architecture based on bitrate6 Oct 2026US 12,756,866 B2QUALCOMM Incorporated
- Image data encoding/decoding method and apparatus6 Oct 2026US 12,756,935 B2B1 Insitute of Image Technology, Inc.
- Image data encoding/decoding method and apparatus8 Oct 2026US 2026/0313083 A1B1 Institute of Image Technology, Inc.
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313107 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313108 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313109 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313110 A1Industry Academy Cooperation Foundation of Sejong University
Most cited
By later US patents
- Moving image compression quality enhancement using displacement filters with negative lobes497US 6,728,317 B1Dolby Laboratories Licensing Corporation · 2004
- Adaptive coding and decoding of frames and fields of video387US 5,227,878 AAT&T Bell Laboratories · 1993
- Digital signal encoding and decoding apparatus334US 4,939,515 AGeneral Electric Company · 1990
- An HDTV compression system289US 5,122,875 AGeneral Electric Company · 1992
- System for compression and decompression of video data using discrete cosine transform and coding techniques285US 5,253,078 AC-Cube Microsystems, Inc. · 1993