G06T 2211/421
Filtered back projection [fbp]
Official title: Filtered back projection [FBP]
G06T2211/421 (Filtered back projection [fbp]) appears on 483 US grants and 410 published applications in this corpus.
Search patents in G06T- Granted patents
- 483
- Published applications
- 410
- Assignees
- 182
- Inventors
- 818
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 3 | 0 |
| 1982 | 4 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 0 | 0 |
| 1992 | 5 | 0 |
| 1993 | 4 | 0 |
| 1994 | 12 | 0 |
| 1995 | 15 | 0 |
| 1996 | 5 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 12 | 0 |
| 2000 | 9 | 0 |
| 2001 | 11 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 8 |
| 2004 | 5 | 12 |
| 2005 | 8 | 11 |
| 2006 | 6 | 23 |
| 2007 | 14 | 15 |
| 2008 | 10 | 13 |
| 2009 | 16 | 15 |
| 2010 | 15 | 15 |
| 2011 | 6 | 12 |
| 2012 | 16 | 16 |
| 2013 | 13 | 14 |
| 2014 | 16 | 6 |
| 2015 | 17 | 17 |
| 2016 | 8 | 24 |
| 2017 | 25 | 20 |
| 2018 | 19 | 29 |
| 2019 | 19 | 31 |
| 2020 | 31 | 34 |
| 2021 | 27 | 26 |
| 2022 | 30 | 23 |
| 2023 | 17 | 10 |
| 2024 | 19 | 17 |
| 2025 | 9 | 10 |
| 2026 | 8 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- System and method for cone-beam computed tomography imaging and apparatus for the same22 Sep 2026US 12,743,835 B2Electronics and Telecommunications Research Institute
- SPECT imaging prediction model creation method and apparatus, and device and storage medium25 Aug 2026US 12,718,445 B2Shanghai Radiodynamic Healthcare Technology
- Method of generating image data for dangerous object detection and imaging system using the same21 Jul 2026US 12,688,636 B2Electronics and Telecommunications Research Institute
- Method and apparatus for reconstructing image acquisitions for extended fields-of-view30 Jun 2026US 12,670,646 B2Medtronic Navigation, Inc.
- Pixel-based number of energy bin material decomposition for reducing data requirements16 Jun 2026US 12,653,470 B2Canon Kabushiki Kaisha
- Medical image processing method, neural network model training method and medical imaging system1 Oct 2026US 2026/0301276 A1GE Precision Healthcare LLC
- Reconstructing image data6 Aug 2026US 2026/0228949 A1NVIDIA Corporation
- Image reconstruction using multiple reconstruction chains for radiation therapy2 Jul 2026US 2026/0187908 A1Siemens Healthineers International AG
- Information processing apparatus, information processing method, and information processing program25 Jun 2026US 2026/0179289 A1FUJIFILM Corporation
- Image Processing Method and System Neural Network Model Training Method and Medical Imaging System28 May 2026US 2026/0148456 A1GE Precision Healthcare LLC
Most cited
By later US patents
- Computer tomography imaging device and method307US 9,380,984 B2Nuctech Company Limited · 2016
- Method for reconstructing a three-dimensional image of an object scanned in the context of a tomosynthesis, and apparatus for tomosynthesis165US 6,442,288 B1Siemens Aktiengesellschaft · 2002
- Method and apparatus for 3-D computer tomography153US 5,375,156 ASiemens Medical Systems, Inc. · 1994
- Diffraction tomography systems and methods with fixed detector arrays138US 4,594,662 ASchlumberger Technology Corporation · 1986
- Method and apparatus for pseudo-projection formation for optical tomography138US 7,738,945 B2University of Washington · 2010