H04N 19/117
Filters
Official title: Filters, e.g. for pre-processing or post-processing (sub-band filter banks H04N19/635)
H04N19/117 (Filters) appears on 6,057 US grants and 7,874 published applications in this corpus.
Search patents in H04N- Granted patents
- 6,057
- Published applications
- 7,874
- Assignees
- 715
- Inventors
- 4,111
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 9 | 0 |
| 1997 | 12 | 0 |
| 1998 | 15 | 0 |
| 1999 | 12 | 0 |
| 2000 | 16 | 0 |
| 2001 | 20 | 9 |
| 2002 | 12 | 21 |
| 2003 | 26 | 50 |
| 2004 | 17 | 73 |
| 2005 | 27 | 124 |
| 2006 | 42 | 146 |
| 2007 | 46 | 142 |
| 2008 | 64 | 209 |
| 2009 | 62 | 158 |
| 2010 | 139 | 169 |
| 2011 | 128 | 165 |
| 2012 | 206 | 225 |
| 2013 | 165 | 288 |
| 2014 | 225 | 314 |
| 2015 | 258 | 389 |
| 2016 | 299 | 277 |
| 2017 | 296 | 256 |
| 2018 | 286 | 308 |
| 2019 | 308 | 335 |
| 2020 | 386 | 442 |
| 2021 | 366 | 532 |
| 2022 | 484 | 674 |
| 2023 | 473 | 539 |
| 2024 | 618 | 655 |
| 2025 | 619 | 764 |
| 2026 | 403 | 610 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for reconstructing image using image partitioning with rotation information6 Oct 2026US 12,756,821 B2B1 Institute of Image Technology, Inc.
- Systems and methods for applying deblocking filters to reconstructed video data6 Oct 2026US 12,756,823 B2Sharp Kabushiki Kaisha
- Video or image coding based on mapping of luma samples and scaling of chroma samples6 Oct 2026US 12,756,846 B2LG Electronics Inc.
- Image encoding/decoding method and apparatus using inter prediction6 Oct 2026US 12,756,851 B2B1 Institute of Image Technology, Inc.
- Video pixel throughput scalability architecture based on bitrate6 Oct 2026US 12,756,866 B2QUALCOMM Incorporated
- Method and device for processing video signal8 Oct 2026US 2026/0313097 A1Kt Corporation
- Method for extrapolation-based intra prediction8 Oct 2026US 2026/0313103 A1Hyundai Motor Company
- Adaptive wiener deblocking filter8 Oct 2026US 2026/0313106 A1InterDigital CE Patent Holdings, SAS
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313107 A1Industry Academy Cooperation Foundation of Sejong University
- Image encoding method/device, image decoding method/device and recording medium having bitstream stored thereon8 Oct 2026US 2026/0313108 A1Industry Academy Cooperation Foundation of Sejong University
Most cited
By later US patents
- Motion video compression system with adaptive bit allocation and quantization401US 5,231,484 AInternational Business Machines Corporation · 1993
- Digital video compression system utilizing vector adaptive transform278US 5,367,629 AShareVision Technology, Inc. · 1994
- Interpolation of video compression frames264US 7,266,150 B2Dolby Laboratories, Inc. · 2007
- Image data post-processing method for reducing quantization effect, apparatus therefor199US 6,539,060 B1Korea Advanced Institute of Science and Technology · 2003
- Loop-filtering method for image data and apparatus therefor196US 6,665,346 B1Korea Advanced Institiute of Science and Technology · 2003