H04N 19/45
Performing compensation of the inverse transform mismatch
Official title: {performing compensation of the inverse transform mismatch, e.g. Inverse Discrete Cosine Transform [IDCT] mismatch}
H04N19/45 (Performing compensation of the inverse transform mismatch) appears on 361 US grants and 396 published applications in this corpus.
Search patents in H04N- Granted patents
- 361
- Published applications
- 396
- Assignees
- 79
- Inventors
- 286
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 5 |
| 2002 | 3 | 3 |
| 2003 | 10 | 10 |
| 2004 | 1 | 8 |
| 2005 | 12 | 8 |
| 2006 | 11 | 1 |
| 2007 | 8 | 10 |
| 2008 | 6 | 4 |
| 2009 | 1 | 9 |
| 2010 | 24 | 18 |
| 2011 | 16 | 18 |
| 2012 | 2 | 1 |
| 2013 | 14 | 14 |
| 2014 | 7 | 18 |
| 2015 | 25 | 25 |
| 2016 | 11 | 16 |
| 2017 | 9 | 11 |
| 2018 | 8 | 17 |
| 2019 | 15 | 25 |
| 2020 | 25 | 38 |
| 2021 | 24 | 14 |
| 2022 | 28 | 25 |
| 2023 | 20 | 14 |
| 2024 | 23 | 19 |
| 2025 | 17 | 36 |
| 2026 | 15 | 29 |
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.
- Prediction image generation device, moving image decoding device, and moving image coding device6 Oct 2026US 12,756,861 B2Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Image encoding device, image decoding device, and program thereof19 May 2026US 12,634,444 B2Nippon Hoso Kyokai
- Image encoding device, image decoding device, and program thereof19 May 2026US 12,634,446 B2Nippon Hoso Kyokai
- Method and device for encoding or decoding image19 May 2026US 12,634,461 B2Samsung Electronics Co., Ltd.
- Prediction image generation device, moving image decoding device, and moving image coding device8 Oct 2026US 2026/0313160 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Prediction image generation device, moving image decoding device, and moving image coding device8 Oct 2026US 2026/0313161 A1Guangdong Oppo Mobile Telecommunications Corp., Ltd.
- Method and apparatus for reconstructing 360-degree image according to projection format24 Sep 2026US 2026/0292129 A1B1 Institute of Image Technology, Inc.
- Method and apparatus for reconstructing 360-degree image according to projection format24 Sep 2026US 2026/0292130 A1B1 Institute of Image Technology, Inc.
- Method and apparatus for reconstructing 360-degree image according to projection format24 Sep 2026US 2026/0292131 A1B1 Institute of Image Technology, Inc.
Most cited
By later US patents
- Methods and apparatus for preventing rounding errors when transform coefficients representing a motion picture signal are inversely transformed240US 5,481,553 ASony Corporation · 1996
- Image sequence coding method and decoding method180US 6,295,376 B1Hitachi, Ltd. · 2001
- Efficient encoding/decoding apparatus112US 5,604,494 ASony Corporation · 1997
- Digital image signal recording apparatus97US 5,585,963 ASony Corporation · 1996
- Selection of quantization step size in accordance with predicted quantization noise83US 5,654,760 ASony Corporation · 1997