H04N 19/85
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
Official title: using pre-processing or post-processing specially adapted for video compression
H04N19/85 (Methods or arrangements for coding, decoding, compressing or decompressing digital video signals) appears on 8,317 US grants and 9,251 published applications in this corpus.
Search patents in H04N- Granted patents
- 8,317
- Published applications
- 9,251
- Assignees
- 1,373
- Inventors
- 8,960
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 11 | 0 |
| 1988 | 4 | 0 |
| 1989 | 13 | 0 |
| 1990 | 13 | 0 |
| 1991 | 8 | 0 |
| 1992 | 20 | 0 |
| 1993 | 39 | 0 |
| 1994 | 53 | 0 |
| 1995 | 76 | 0 |
| 1996 | 109 | 0 |
| 1997 | 82 | 0 |
| 1998 | 139 | 0 |
| 1999 | 94 | 0 |
| 2000 | 103 | 0 |
| 2001 | 107 | 49 |
| 2002 | 109 | 140 |
| 2003 | 109 | 185 |
| 2004 | 86 | 184 |
| 2005 | 122 | 287 |
| 2006 | 153 | 363 |
| 2007 | 127 | 344 |
| 2008 | 166 | 372 |
| 2009 | 170 | 362 |
| 2010 | 229 | 367 |
| 2011 | 239 | 258 |
| 2012 | 400 | 322 |
| 2013 | 368 | 400 |
| 2014 | 429 | 453 |
| 2015 | 354 | 471 |
| 2016 | 408 | 354 |
| 2017 | 409 | 350 |
| 2018 | 368 | 359 |
| 2019 | 393 | 407 |
| 2020 | 454 | 413 |
| 2021 | 381 | 452 |
| 2022 | 394 | 480 |
| 2023 | 386 | 447 |
| 2024 | 458 | 519 |
| 2025 | 442 | 492 |
| 2026 | 276 | 421 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H04N 19/86Involving reduction of coding artifacts3,463
- H04N 19/89Involving methods or arrangements for detection of transmission errors at the decoder1,780
- H04N 19/88Involving rearrangement of data among different coding units565
- H04N 19/87Involving scene cut or scene change detection in combination with video compression555
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.
- Systems and methods for applying deblocking filters to reconstructed video data6 Oct 2026US 12,756,823 B2Sharp Kabushiki Kaisha
- Method and apparatus for cross-component prediction for video coding6 Oct 2026US 12,756,856 B2Beijing Dajia Internet Information Technology Co., Ltd.
- Image processing device and method for performing quality optimized deblocking6 Oct 2026US 12,756,871 B2Huawei Technologies Co., Ltd.
- Receiver side prediction of encoding selection data for video encoding6 Oct 2026US 12,756,872 B2QUALCOMM Incorporated
- Dashboard for Providing Per-Frame Telemetry Data8 Oct 2026US 2026/0313166 A1Apple Inc.
- Systems and methods of addressing compression artifacts in video streams1 Oct 2026US 2026/0295407 A1Nintendo Co., Ltd.
- Systems and methods for cross-component sample offset filter information signaling1 Oct 2026US 2026/0303798 A1Tencent America LLC
- Method and apparatus of unified classification in in-loop filtering in video coding1 Oct 2026US 2026/0303875 A1Mediatek Inc.
- Method and device for encoding and decoding attenuation map based on green mpeg for energy aware images1 Oct 2026US 2026/0303876 A1InterDigital CE Patent Holdings, SAS
Most cited
By later US patents
- Digital video recorder compatible receiver with trick play image enhancement527US 5,377,051 AHitachi America, Ltd. · 1994
- Motion based event detection system and method509US 5,969,755 ATexas Instruments Incorporated · 1999
- Moving image compression quality enhancement using displacement filters with negative lobes497US 6,728,317 B1Dolby Laboratories Licensing Corporation · 2004
- Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback444US 4,302,775 ACompression Labs, Inc. · 1981
- Combined MPEG-4 FGS and modulation algorithm for wireless video transmission443US 6,909,753 B2Koninklijke Philips Electronics N. V. · 2005