G06V 30/182
By coding the contour of the pattern
Official title: by coding the contour of the pattern
G06V30/182 (By coding the contour of the pattern) appears on 116 US grants and 84 published applications in this corpus.
Search patents in G06V- Granted patents
- 116
- Published applications
- 84
- Assignees
- 82
- Inventors
- 286
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 4 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 7 | 0 |
| 1992 | 1 | 0 |
| 1993 | 6 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 2 | 3 |
| 2003 | 2 | 1 |
| 2004 | 0 | 0 |
| 2005 | 1 | 4 |
| 2006 | 1 | 1 |
| 2007 | 1 | 3 |
| 2008 | 1 | 3 |
| 2009 | 1 | 4 |
| 2010 | 3 | 6 |
| 2011 | 2 | 12 |
| 2012 | 6 | 1 |
| 2013 | 5 | 1 |
| 2014 | 5 | 2 |
| 2015 | 2 | 2 |
| 2016 | 3 | 3 |
| 2017 | 2 | 3 |
| 2018 | 1 | 1 |
| 2019 | 1 | 2 |
| 2020 | 1 | 0 |
| 2021 | 2 | 3 |
| 2022 | 2 | 3 |
| 2023 | 4 | 9 |
| 2024 | 7 | 8 |
| 2025 | 8 | 3 |
| 2026 | 1 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Signature verification based on topological stochastic models4 Aug 2026US 12,700,253 B2The Bank of New York Mellon
- Training and using a vector encoder to determine vectors for sub-images of text in an image subject to optical character recognition11 Nov 2025US 12,469,318 B2International Business Machines Corporation
- Character segmentation method and device based on edge detection and contour detection14 Oct 2025US 12,444,220 B2Canaan Bright Sight Co., Ltd
- Method for generating objective function, apparatus, electronic device and computer readable medium7 Oct 2025US 12,437,502 B2
- Image based assessment for dental treatment monitoring2 Sep 2025US 12,402,983 B2Align Technology, Inc.
- Adaptive optical character recognition system using facial feature analysis for identification document processing3 Sep 2026US 2026/0260511 A1TGrid Technologies Pty Ltd
- Line location and character identification techniques for optical character recognition9 Apr 2026US 2026/0100067 A1Capital One Financial Corporation
- Image Recognition Model Training Method and System, and Cluster2 Apr 2026US 2026/0094430 A1Huawei Cloud Computing Technologies Co., Ltd.
- Video summary system capable of detecting specific object through text26 Mar 2026US 2026/0087811 A1ZIOVISION Co., Ltd.
- Gesture stroke recognition in touch-based user interface input19 Feb 2026US 2026/0051188 A1
Most cited
By later US patents
- Method for omnidirectional processing of 2D images including recognizable characters582US 8,682,077 B1Hand Held Products, Inc. · 2014
- Method and apparatus for recognition of discontinuous text169US 4,680,805 ATexas Instruments Incorporated · 1987
- Photograph-based assessment of dental treatments and procedures144US 10,248,883 B2Align Technology, Inc. · 2019
- Alphanumeric handprint recognition100US 4,628,532 AScan-Optics, Inc. · 1986
- Character recognition with variable subdivisions of a character region90US 4,903,312 ARicoh Company, Ltd. · 1990