BR112017027101B1 - Método para detectar defeitos na superfície de um pneu, e, aparelho para analisar pneus. - Google Patents

Método para detectar defeitos na superfície de um pneu, e, aparelho para analisar pneus. Download PDF

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Publication number
BR112017027101B1
BR112017027101B1 BR112017027101-0A BR112017027101A BR112017027101B1 BR 112017027101 B1 BR112017027101 B1 BR 112017027101B1 BR 112017027101 A BR112017027101 A BR 112017027101A BR 112017027101 B1 BR112017027101 B1 BR 112017027101B1
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BR
Brazil
Prior art keywords
pixel
tire
image
parameter
pattern
Prior art date
Application number
BR112017027101-0A
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English (en)
Portuguese (pt)
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BR112017027101A2 (https=
Inventor
Lara Vandini
Valeriano BALLARDINI
Alessandro GHIDOTTI PIOVAN
Fabio REGOLI
Original Assignee
Pirelli Tyre S.P.A.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Pirelli Tyre S.P.A. filed Critical Pirelli Tyre S.P.A.
Publication of BR112017027101A2 publication Critical patent/BR112017027101A2/pt
Publication of BR112017027101B1 publication Critical patent/BR112017027101B1/pt

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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/0002—Inspection of images, e.g. flaw detection
    • G06T7/0004—Industrial image inspection
    • G06T7/001—Industrial image inspection using an image reference approach
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M17/00—Testing of vehicles
    • G01M17/007—Wheeled or endless-tracked vehicles
    • G01M17/02—Tyres
    • G01M17/027—Tyres using light, e.g. infrared, ultraviolet or holographic techniques
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/12—Edge-based segmentation
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/136—Segmentation; Edge detection involving thresholding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20021—Dividing image into blocks, subimages or windows
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20216—Image averaging
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20212—Image combination
    • G06T2207/20224—Image subtraction
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/30—Subject of image; Context of image processing
    • G06T2207/30108—Industrial image inspection
    • G06T2207/30164—Workpiece; Machine component

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Theoretical Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
  • Length Measuring Devices By Optical Means (AREA)
BR112017027101-0A 2015-06-30 2016-06-21 Método para detectar defeitos na superfície de um pneu, e, aparelho para analisar pneus. BR112017027101B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
ITUB20151872 2015-06-30
IT102015000028923 2015-06-30
PCT/IB2016/053678 WO2017001968A1 (en) 2015-06-30 2016-06-21 Method and apparatus for detecting defects on the surface of tyres

Publications (2)

Publication Number Publication Date
BR112017027101A2 BR112017027101A2 (https=) 2018-08-21
BR112017027101B1 true BR112017027101B1 (pt) 2022-08-09

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BR112017027101-0A BR112017027101B1 (pt) 2015-06-30 2016-06-21 Método para detectar defeitos na superfície de um pneu, e, aparelho para analisar pneus.

Country Status (4)

Country Link
EP (1) EP3317635B1 (https=)
CN (1) CN107750371B (https=)
BR (1) BR112017027101B1 (https=)
WO (1) WO2017001968A1 (https=)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180374022A1 (en) * 2017-06-26 2018-12-27 Midea Group Co., Ltd. Methods and systems for improved quality inspection
CN110646201B (zh) * 2018-06-08 2021-10-01 西门子股份公司 轴承缺陷检测系统和方法
CN109166109A (zh) * 2018-08-14 2019-01-08 珠海格力智能装备有限公司 缺陷检测方法、装置、存储介质及处理器
CN109377482A (zh) * 2018-09-29 2019-02-22 中国石油大学(华东) 一种基于点云数据的轮胎胎角性质检测方法
EP3899483B1 (en) * 2018-12-21 2024-04-17 Pirelli Tyre S.p.A. Method and station for checking tyres
CN110827272B (zh) * 2019-11-13 2022-09-02 中国科学技术大学 一种基于图像处理的轮胎x光图像缺陷检测方法
CN111879791B (zh) * 2020-07-30 2023-06-20 西湖大学 一种图案表面凸起特征增强的机器视觉系统及方法
CN112734756B (zh) * 2021-03-29 2021-08-06 高视科技(苏州)有限公司 基于光度立体视觉的检测方法及系统
CN118411342B (zh) * 2024-04-28 2025-01-14 昆山睿恩新机电有限公司 基于机器视觉的助力自行车电池盒表面成型精度检测方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4514007B2 (ja) * 1999-12-28 2010-07-28 株式会社ブリヂストン 被検体の外観形状検査方法及び装置
DE102005031490A1 (de) * 2005-07-04 2007-02-01 Massen Machine Vision Systems Gmbh Kostengünstige multi-sensorielle Oberflächeninspektion
FR2925687B1 (fr) * 2007-12-19 2010-02-12 Soc Tech Michelin Methode d'evaluation par comparaison d'une image acquise avec une image de reference.
CN102616421B (zh) * 2011-01-27 2016-10-26 环宇制罐株式会社 瓶罐的制造方法和制造装置以及瓶罐
CN103364408B (zh) * 2013-07-10 2015-09-09 三峡大学 一种采用水下机器人系统对水工混凝土结构水下表面裂缝检测的方法
CN103413314A (zh) * 2013-08-19 2013-11-27 合肥师范学院 基于纹理梯度的纺织品缺陷检测算法
CN103453892B (zh) * 2013-09-24 2015-11-25 广东工业大学 一种桥梁裂缝实时监测及快速预警装置
CN104005325B (zh) * 2014-06-17 2016-01-20 武汉武大卓越科技有限责任公司 基于深度和灰度图像的路面裂缝检测装置和方法
CN104280406A (zh) * 2014-09-16 2015-01-14 中国科学院广州能源研究所 一种铜件表面缺陷检测的机器视觉系统
CN104502409A (zh) * 2014-12-17 2015-04-08 西安交通大学 基于阵列激光源的结构表面裂纹红外无损检测及成像方法

Also Published As

Publication number Publication date
WO2017001968A1 (en) 2017-01-05
EP3317635A1 (en) 2018-05-09
CN107750371B (zh) 2021-10-19
EP3317635B1 (en) 2024-08-07
CN107750371A (zh) 2018-03-02
EP3317635C0 (en) 2024-08-07
BR112017027101A2 (https=) 2018-08-21

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B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B350 Update of information on the portal [chapter 15.35 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

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