PT3051461T - Sistema e método implementado por computador para extrair e reconhecer caracteres alfanuméricos de sinais de trânsito - Google Patents
Sistema e método implementado por computador para extrair e reconhecer caracteres alfanuméricos de sinais de trânsitoInfo
- Publication number
- PT3051461T PT3051461T PT151659638T PT15165963T PT3051461T PT 3051461 T PT3051461 T PT 3051461T PT 151659638 T PT151659638 T PT 151659638T PT 15165963 T PT15165963 T PT 15165963T PT 3051461 T PT3051461 T PT 3051461T
- Authority
- PT
- Portugal
- Prior art keywords
- extracting
- computer implemented
- alphanumeric characters
- implemented system
- traffic signs
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/582—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of traffic signs
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformation in the plane of the image
- G06T3/40—Scaling the whole image or part thereof
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/50—Extraction of image or video features by performing operations within image blocks; by using histograms, e.g. histogram of oriented gradients [HoG]; by summing image-intensity values; Projection analysis
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
- G06V30/10—Character recognition
- G06V30/22—Character recognition characterised by the type of writing
- G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/255—Detecting or recognising potential candidate objects based on visual cues, e.g. shapes
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/20—Image preprocessing
- G06V10/34—Smoothing or thinning of the pattern; Morphological operations; Skeletonisation
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V10/00—Arrangements for image or video recognition or understanding
- G06V10/40—Extraction of image or video features
- G06V10/46—Descriptors for shape, contour or point-related descriptors, e.g. scale invariant feature transform [SIFT] or bags of words [BoW]; Salient regional features
- G06V10/467—Encoded features or binary features, e.g. local binary patterns [LBP]
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IN326MU2015 | 2015-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
PT3051461T true PT3051461T (pt) | 2020-07-14 |
Family
ID=53040405
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PT151659638T PT3051461T (pt) | 2015-01-31 | 2015-04-30 | Sistema e método implementado por computador para extrair e reconhecer caracteres alfanuméricos de sinais de trânsito |
Country Status (6)
Country | Link |
---|---|
US (1) | US9569676B2 (pt) |
EP (1) | EP3051461B1 (pt) |
JP (1) | JP6527013B2 (pt) |
DK (1) | DK3051461T3 (pt) |
ES (1) | ES2804586T3 (pt) |
PT (1) | PT3051461T (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6552979B2 (ja) * | 2016-02-16 | 2019-07-31 | 株式会社日立製作所 | 画像処理装置、警告装置、画像処理システム、画像処理方法 |
JP6607139B2 (ja) * | 2016-04-26 | 2019-11-20 | トヨタ自動車株式会社 | 情報収集システム |
CN109472202A (zh) * | 2018-09-29 | 2019-03-15 | 天津大学 | 一种基于车载摄像头的路面标志检测方法 |
JP6929823B2 (ja) * | 2018-11-16 | 2021-09-01 | 株式会社東芝 | 読取システム、読取方法、プログラム、記憶媒体、及び移動体 |
US11436713B2 (en) * | 2020-02-19 | 2022-09-06 | International Business Machines Corporation | Application error analysis from screenshot |
CN113449639A (zh) * | 2021-06-29 | 2021-09-28 | 深圳市海亿达科技股份有限公司 | 一种物联网网关对仪表的无接触数据采集方法 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6266442B1 (en) * | 1998-10-23 | 2001-07-24 | Facet Technology Corp. | Method and apparatus for identifying objects depicted in a videostream |
US20030202683A1 (en) * | 2002-04-30 | 2003-10-30 | Yue Ma | Vehicle navigation system that automatically translates roadside signs and objects |
IL162878A0 (en) | 2004-07-06 | 2005-11-20 | Hi Tech Solutions Ltd | Multi-level neural network based characters identification method and system |
WO2006059246A2 (en) * | 2004-11-08 | 2006-06-08 | Dspv, Ltd. | System and method of enabling a cellular/wireless device with imaging capabilities to decode printed alphanumeric characters |
US7274311B1 (en) * | 2005-04-20 | 2007-09-25 | Navteq North America, Llc | Animated display of traffic information |
US20090017765A1 (en) * | 2005-11-04 | 2009-01-15 | Dspv, Ltd | System and Method of Enabling a Cellular/Wireless Device with Imaging Capabilities to Decode Printed Alphanumeric Characters |
US8233670B2 (en) * | 2007-09-13 | 2012-07-31 | Cognex Corporation | System and method for traffic sign recognition |
JP2010205160A (ja) * | 2009-03-05 | 2010-09-16 | Denso Corp | 速度規制標識認識結果の通知方法 |
TWI416073B (zh) * | 2009-11-16 | 2013-11-21 | Ind Tech Res Inst | 移動攝影機對路景影像的處理方法及系統 |
CN101706873B (zh) | 2009-11-27 | 2012-05-30 | 东软集团股份有限公司 | 数字类限制标志的识别方法和装置 |
-
2015
- 2015-04-30 DK DK15165963.8T patent/DK3051461T3/da active
- 2015-04-30 EP EP15165963.8A patent/EP3051461B1/en active Active
- 2015-04-30 ES ES15165963T patent/ES2804586T3/es active Active
- 2015-04-30 PT PT151659638T patent/PT3051461T/pt unknown
- 2015-05-07 JP JP2015094712A patent/JP6527013B2/ja active Active
- 2015-05-26 US US14/721,385 patent/US9569676B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
ES2804586T3 (es) | 2021-02-08 |
JP2016143408A (ja) | 2016-08-08 |
JP6527013B2 (ja) | 2019-06-05 |
DK3051461T3 (da) | 2020-07-27 |
US9569676B2 (en) | 2017-02-14 |
EP3051461B1 (en) | 2020-04-15 |
EP3051461A1 (en) | 2016-08-03 |
US20160224851A1 (en) | 2016-08-04 |
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