H04N 19/647
Using significance based coding
Official title: {using significance based coding, e.g. Embedded Zerotrees of Wavelets [EZW] or Set Partitioning in Hierarchical Trees [SPIHT]}
H04N19/647 (Using significance based coding) appears on 461 US grants and 423 published applications in this corpus.
Search patents in H04N- Granted patents
- 461
- Published applications
- 423
- Assignees
- 175
- Inventors
- 545
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 12 | 0 |
| 2000 | 7 | 0 |
| 2001 | 14 | 4 |
| 2002 | 13 | 17 |
| 2003 | 18 | 33 |
| 2004 | 16 | 35 |
| 2005 | 26 | 39 |
| 2006 | 27 | 32 |
| 2007 | 21 | 25 |
| 2008 | 26 | 18 |
| 2009 | 33 | 17 |
| 2010 | 15 | 15 |
| 2011 | 19 | 17 |
| 2012 | 21 | 15 |
| 2013 | 23 | 6 |
| 2014 | 13 | 5 |
| 2015 | 10 | 7 |
| 2016 | 10 | 13 |
| 2017 | 13 | 10 |
| 2018 | 10 | 13 |
| 2019 | 7 | 9 |
| 2020 | 10 | 22 |
| 2021 | 19 | 25 |
| 2022 | 20 | 8 |
| 2023 | 17 | 12 |
| 2024 | 17 | 15 |
| 2025 | 8 | 6 |
| 2026 | 8 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Progressive encoding and adaptive reconstruction of dynamic meshes using zerotree coding15 Sep 2026US 12,739,375 B2InterDigital CE Patent Holdings, SAS
- JVET coding block structure with asymmetrical partitioning18 Aug 2026US 12,713,068 B2ARRIS Enterprises LLC
- Weighted angular prediction for intra coding7 Jul 2026US 12,676,990 B2ARRIS Enterprises LLC
- Constrained position dependent intra prediction combination (PDPC)9 Jun 2026US 12,652,402 B2ARRIS Enterprises LLC
- Image decoding method and device in accordance with block split structure in image coding system19 May 2026US 12,634,520 B2LG Electronics Inc.
- Weighted angular prediction for intra coding1 Oct 2026US 2026/0303834 A1ARRIS Enterprises LLC
- Image decoding method and device in accordance with block split structure in image coding system10 Sep 2026US 2026/0270481 A1LG Electronics Inc.
- Constrained position dependent intra prediction combination (pdpc)25 Jun 2026US 2026/0181166 A1ARRIS Enterprises LLC
- Progressive encoding and adaptive reconstruction of dynamic meshes using zerotree coding23 Apr 2026US 2026/0113444 A1InterDigital CE Patent Holdings, SAS
- Template matching for jvet intra prediction19 Mar 2026US 2026/0082035 A1ARRIS Enterprises LLC
Most cited
By later US patents
- Synchronous network for digital media streams2,236US 6,611,537 B1Centillium Communications, Inc. · 2003
- System and method for transmitting a digital image over a communication network277US 6,314,452 B1RTImage, Ltd. · 2001
- Data compression system including successive approximation quantizer240US 5,321,776 AGeneral Electric Company · 1994
- Apparatus and method for compressing information234US 5,412,741 ADavid Sarnoff Research Center, Inc. · 1995
- Content-based video compression216US 5,896,176 ATexas Instruments Incorporated · 1999