H04N 19/1883
The unit relating to sub-band structure
Official title: {the unit relating to sub-band structure, e.g. hierarchical level, directional tree, e.g. low-high [LH], high-low [HL], high-high [HH]}
H04N19/1883 (The unit relating to sub-band structure) appears on 740 US grants and 878 published applications in this corpus.
Search patents in H04N- Granted patents
- 740
- Published applications
- 878
- Assignees
- 204
- Inventors
- 779
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 7 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 4 |
| 2002 | 2 | 13 |
| 2003 | 5 | 25 |
| 2004 | 10 | 9 |
| 2005 | 11 | 15 |
| 2006 | 15 | 20 |
| 2007 | 14 | 13 |
| 2008 | 11 | 5 |
| 2009 | 14 | 7 |
| 2010 | 8 | 6 |
| 2011 | 7 | 9 |
| 2012 | 9 | 7 |
| 2013 | 7 | 8 |
| 2014 | 7 | 10 |
| 2015 | 4 | 16 |
| 2016 | 21 | 20 |
| 2017 | 24 | 25 |
| 2018 | 9 | 15 |
| 2019 | 14 | 20 |
| 2020 | 33 | 32 |
| 2021 | 36 | 108 |
| 2022 | 71 | 143 |
| 2023 | 93 | 85 |
| 2024 | 124 | 97 |
| 2025 | 104 | 91 |
| 2026 | 50 | 75 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method, apparatus and system for encoding and decoding a transformed block of video samples6 Oct 2026US 12,756,826 B2Canon Kabushiki Kaisha
- Gradual decoding refresh in video coding29 Sep 2026US 12,750,530 B2Huawei Technologies Co., Ltd.
- Significance map encoding and decoding using partition selection22 Sep 2026US 12,744,937 B2Velos Media, LLC
- Image encoding/decoding method and device employing in-loop filtering8 Sep 2026US 12,732,607 B2Intellectual Discovery Co., Ltd.
- Methods, apparatuses, computer programs and computer-readable media for scalable image coding25 Aug 2026US 12,720,090 B2V-Nova International Limited
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313129 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313130 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313131 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313132 A1Canon Kabushiki Kaisha
- Method, apparatus and system for encoding and decoding a coding tree unit8 Oct 2026US 2026/0313133 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- System and method for transmitting a digital image over a communication network277US 6,314,452 B1RTImage, Ltd. · 2001
- Storage and retrieval of large digital images196US 5,710,835 AThe Regents of the University of California Office of Technology Transfer · 1998
- Reversible wavelet transform and embedded codestream manipulation194US 5,867,602 ARicoh Company, Ltd. · 1999
- Compression/decompression using reversible embedded wavelets164US 5,966,465 ARicoh Company, Ltd. · 1999
- Compression of video signals160US 5,223,926 ASony Broadcast & Communications Limited · 1993