H04N 19/55
Motion estimation with spatial constraints
Official title: Motion estimation with spatial constraints, e.g. at image or region borders
H04N19/55 (Motion estimation with spatial constraints) appears on 573 US grants and 834 published applications in this corpus.
Search patents in H04N- Granted patents
- 573
- Published applications
- 834
- Assignees
- 153
- Inventors
- 643
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 2 |
| 2003 | 4 | 4 |
| 2004 | 3 | 7 |
| 2005 | 5 | 6 |
| 2006 | 1 | 7 |
| 2007 | 3 | 6 |
| 2008 | 3 | 13 |
| 2009 | 2 | 9 |
| 2010 | 5 | 14 |
| 2011 | 6 | 6 |
| 2012 | 13 | 10 |
| 2013 | 7 | 16 |
| 2014 | 19 | 24 |
| 2015 | 19 | 36 |
| 2016 | 26 | 19 |
| 2017 | 21 | 20 |
| 2018 | 26 | 30 |
| 2019 | 16 | 29 |
| 2020 | 35 | 36 |
| 2021 | 33 | 52 |
| 2022 | 53 | 72 |
| 2023 | 76 | 73 |
| 2024 | 66 | 129 |
| 2025 | 78 | 105 |
| 2026 | 40 | 108 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Local motion extension in video coding25 Aug 2026US 12,720,065 B2Google Inc.
- Method and device for processing video signal on basis of inter prediction25 Aug 2026US 12,720,100 B2LG Electronics Inc.
- Apparatus for performing image coding on basis of ATMVP candidate25 Aug 2026US 12,720,104 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Rules for intra-picture prediction modes when wavefront parallel processing is enabled4 Aug 2026US 12,701,249 B2Microsoft Technology Licensing, LLC
- Rules for intra-picture prediction modes when wavefront parallel processing is enabled28 Jul 2026US 12,695,895 B2Microsoft Technology Licensing, LLC
- Rules for intra-picture prediction modes when wavefront parallel processing is enabled1 Oct 2026US 2026/0303845 A1Microsoft Technology Licensing, LLC
- Method and device for processing video signal on basis of inter prediction1 Oct 2026US 2026/0303854 A1LG Elecronics Inc.
- Methods for temporal motion vector prediction24 Sep 2026US 2026/0292237 A1Alibaba (China) Co., Ltd.
- Method and apparatus for video compression using skip modes17 Sep 2026US 2026/0281324 A1Huawei Technologies Co., Ltd.
- Systems, apparatus and methods for inter prediction refinement with optical flow17 Sep 2026US 2026/0281423 A1InterDigital VC Holdings, Inc.
Most cited
By later US patents
- Moving image compression quality enhancement using displacement filters with negative lobes497US 6,728,317 B1Dolby Laboratories Licensing Corporation · 2004
- Encrypted and watermarked temporal and resolution layering in advanced television201US 6,957,350 B1Dolby Laboratories Licensing Corporation · 2005
- Method and device for motion estimation and compensation for panorama image157US 7,623,682 B2Industry Academic Cooperation Foundation Kyunghee University · 2009
- Trick play reproduction of MPEG encoded signals154US 6,201,927 B12001
- Method and apparatus for block classification and adaptive bit allocation134US 6,275,614 B1LG Electronics Inc. · 2001