H04N 19/48
Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
Official title: using compressed domain processing techniques other than decoding, e.g. modification of transform coefficients, variable length coding [VLC] data or run-length data (motion estimation in a transform domain H04N19/547; processing of decoded motion vectors H04N19/513)
H04N19/48 (Methods or arrangements for coding, decoding, compressing or decompressing digital video signals) appears on 1,196 US grants and 1,194 published applications in this corpus.
Search patents in H04N- Granted patents
- 1,196
- Published applications
- 1,194
- Assignees
- 403
- Inventors
- 1,881
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 6 | 0 |
| 1995 | 7 | 0 |
| 1996 | 15 | 0 |
| 1997 | 13 | 0 |
| 1998 | 21 | 0 |
| 1999 | 16 | 0 |
| 2000 | 24 | 0 |
| 2001 | 19 | 13 |
| 2002 | 23 | 29 |
| 2003 | 30 | 30 |
| 2004 | 24 | 35 |
| 2005 | 20 | 60 |
| 2006 | 32 | 61 |
| 2007 | 46 | 79 |
| 2008 | 48 | 74 |
| 2009 | 36 | 54 |
| 2010 | 43 | 62 |
| 2011 | 49 | 68 |
| 2012 | 86 | 60 |
| 2013 | 65 | 47 |
| 2014 | 71 | 41 |
| 2015 | 52 | 54 |
| 2016 | 52 | 47 |
| 2017 | 51 | 37 |
| 2018 | 30 | 36 |
| 2019 | 40 | 46 |
| 2020 | 58 | 48 |
| 2021 | 41 | 34 |
| 2022 | 34 | 53 |
| 2023 | 37 | 35 |
| 2024 | 38 | 35 |
| 2025 | 38 | 35 |
| 2026 | 21 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Image processing device, image display system, image processing method, and recording medium25 Aug 2026US 12,720,096 B2NEC Corporation
- Multi-modal federated encoding framework for encrypted video stream data compaction25 Aug 2026US 12,720,099 B2Atombeam Technologies Inc.
- Computer software module, a device and a method for accelerating inference for compressed videos2 Jun 2026US 12,647,585 B2Telefonaktiebolaget LM Ericsson (publ)
- Block-based predictive coding and decoding of a picture12 May 2026US 12,627,838 B2Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Low frequency non-separable transform signaling in video coding28 Apr 2026US 12,615,366 B2Bytedance Inc.
- Substream multiplexing approach for learning-based point cloud compression24 Sep 2026US 2026/0292230 A1
- Scalable video coding using base-layer hints for enhancement layer motion parameters3 Sep 2026US 2026/0261713 A1Dolby Video Compression, LLC
- Bitstream merging27 Aug 2026US 2026/0254986 A1Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e. V.
- Image encoding/decoding method and apparatus, and recording medium having bitstream stored thereon30 Jul 2026US 2026/0222622 A1LG Electronics Inc.
- Method of coding and decoding images, coding and decoding device and computer programs corresponding thereto23 Jul 2026US 2026/0214255 A1Dolby International AB
Most cited
By later US patents
- System for distributing customized commercials to television viewers638US 5,319,455 AICTV, Inc. · 1994
- Digital watermarking618US 5,915,027 ANEC Corporation · 1999
- Carousel display596US 5,485,197 AICTV, Inc. · 1996
- Electronic still camera providing multi-format storage of full and reduced resolution images544US 5,164,831 AEastman Kodak Company · 1992
- Interactive home information system527US 5,093,718 AInteletext Systems, Inc. · 1992