H04N 19/21
With binary alpha-plane coding for video objects
Official title: with binary alpha-plane coding for video objects, e.g. context-based arithmetic encoding [CAE]
H04N19/21 (With binary alpha-plane coding for video objects) appears on 155 US grants and 139 published applications in this corpus.
Search patents in H04N- Granted patents
- 155
- Published applications
- 139
- Assignees
- 83
- Inventors
- 277
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 10 | 3 |
| 2002 | 5 | 3 |
| 2003 | 7 | 2 |
| 2004 | 4 | 0 |
| 2005 | 1 | 3 |
| 2006 | 3 | 6 |
| 2007 | 2 | 8 |
| 2008 | 5 | 4 |
| 2009 | 2 | 4 |
| 2010 | 4 | 2 |
| 2011 | 6 | 2 |
| 2012 | 9 | 7 |
| 2013 | 1 | 9 |
| 2014 | 8 | 5 |
| 2015 | 8 | 7 |
| 2016 | 9 | 11 |
| 2017 | 11 | 6 |
| 2018 | 6 | 7 |
| 2019 | 6 | 10 |
| 2020 | 6 | 5 |
| 2021 | 4 | 3 |
| 2022 | 12 | 10 |
| 2023 | 6 | 7 |
| 2024 | 6 | 9 |
| 2025 | 6 | 4 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Coding method and coding apparatus18 Aug 2026US 12,713,039 B2Sun Patent Trust
- Image decoding method, image coding method, image decoding apparatus, image coding apparatus, and image coding and decoding apparatus21 Apr 2026US 12,610,069 B2Sun Patent Trust
- Image encoding based on alpha channel20 Jan 2026US 12,532,005 B2Varjo Technologies Oy
- Mesh optimization using novel segmentation16 Dec 2025US 12,499,624 B2Tencent America LLC
- Method and apparatus for generating compact multiplane images11 Nov 2025US 12,470,681 B2InterDigital CE Patent Holdings, SAS
- Decoding method, encoding method, decoding device, encoding device and display device for displaying an image on a transparent screen12 Mar 2026US 2026/0075260 A1Beijing Xiaomi Mobile Software Co., Ltd.
- Decoder, encoder, bitstream generator, decoding method, and encoding method12 Feb 2026US 2026/0045014 A1Panasonic Intellectual Property Corporation of America
- 3d scene transmission with alpha layers11 Dec 2025US 2025/0378586 A1InterDigital CE Patent Holdings, SAS
- Volumetric immersive experience with multiple views8 May 2025US 2025/0148699 A1Dolby Laboratories Licensing Corporation
- Coding method and coding apparatus8 May 2025US 2025/0150602 A1Sun Patent Trust
Most cited
By later US patents
- Method and apparatus for block classification and adaptive bit allocation134US 6,275,614 B1LG Electronics Inc. · 2001
- Shaped information coding device for interlaced scanning video and method therefor91US 6,381,277 B1Hyundai Electronics Ind. Co., Ltd. · 2002
- Mode coding method and apparatus for use in an interlaced shape coder71US 5,973,743 ADaewoo Electronics Co., Ltd. · 1999
- Method for encoding and transcoding multiple video objects with variable temporal resolution65US 6,650,705 B1Mitsubishi Electric Research Laboratories, Inc. · 2003
- Video coding and video decoding apparatus62US 6,292,585 B1Kabushiki Kaisha Toshiba · 2001