FR3093217B1 - Procede de correction d’un contour - Google Patents

Procede de correction d’un contour Download PDF

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Publication number
FR3093217B1
FR3093217B1 FR1901755A FR1901755A FR3093217B1 FR 3093217 B1 FR3093217 B1 FR 3093217B1 FR 1901755 A FR1901755 A FR 1901755A FR 1901755 A FR1901755 A FR 1901755A FR 3093217 B1 FR3093217 B1 FR 3093217B1
Authority
FR
France
Prior art keywords
contour
outline
photo
representing
image
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
FR1901755A
Other languages
English (en)
Other versions
FR3093217A1 (fr
Inventor
Van Trung Pham
Yves Lucas
Sylvie Treuillet
Laurent Debraux
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Universite dOrleans
Dental Monitoring SAS
Original Assignee
Universite dOrleans
Dental Monitoring SAS
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.)
Filing date
Publication date
Application filed by Universite dOrleans, Dental Monitoring SAS filed Critical Universite dOrleans
Priority to FR1901755A priority Critical patent/FR3093217B1/fr
Priority to EP20705094.9A priority patent/EP3928291A1/fr
Priority to US17/432,910 priority patent/US20220207748A1/en
Priority to PCT/EP2020/054627 priority patent/WO2020169802A1/fr
Publication of FR3093217A1 publication Critical patent/FR3093217A1/fr
Application granted granted Critical
Publication of FR3093217B1 publication Critical patent/FR3093217B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/13—Edge detection
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T5/00—Image enhancement or restoration
    • G06T5/70—Denoising; Smoothing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T7/00—Image analysis
    • G06T7/10—Segmentation; Edge detection
    • G06T7/174—Segmentation; Edge detection involving the use of two or more images
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20084—Artificial neural networks [ANN]
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
    • G06T2207/00—Indexing scheme for image analysis or image enhancement
    • G06T2207/20—Special algorithmic details
    • G06T2207/20112—Image segmentation details
    • G06T2207/20161—Level set
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06T2207/30004—Biomedical image processing
    • G06T2207/30036—Dental; Teeth

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Vision & Pattern Recognition (AREA)
  • Image Analysis (AREA)
  • Image Processing (AREA)

Abstract

L’invention concerne un procédé de détermination d’un contour de la représentation, sur une photo (2), d’un objet constitué d’un ou plusieurs éléments, dit « contour réel », ledit procédé comportant les étapes suivantes : 1) application d’un premier traitement à la photo de manière à obtenir une première image (10) représentant un premier contour (Co1) dudit objet ; 2) application d’un deuxième traitement à la photo de manière à obtenir une deuxième image (20) représentant un deuxième contour (Co2) dudit objet ; 3) association, suivant un algorithme d’association prédéterminé et pour chaque point (P2) du deuxième contour (Co2), d’un point (P1) du premier contour (Co1) respectif, puis suppression des points du premier contour n’ayant pas été associés à un point du deuxième contour, la première image représentant alors un contour corrigé (Co3) dudit objet  Figure d’abrégé : 2
FR1901755A 2019-02-21 2019-02-21 Procede de correction d’un contour Active FR3093217B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
FR1901755A FR3093217B1 (fr) 2019-02-21 2019-02-21 Procede de correction d’un contour
EP20705094.9A EP3928291A1 (fr) 2019-02-21 2020-02-21 Procede de correction d'un contour
US17/432,910 US20220207748A1 (en) 2019-02-21 2020-02-21 Method for correcting a contour
PCT/EP2020/054627 WO2020169802A1 (fr) 2019-02-21 2020-02-21 Procede de correction d'un contour

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1901755 2019-02-21
FR1901755A FR3093217B1 (fr) 2019-02-21 2019-02-21 Procede de correction d’un contour

Publications (2)

Publication Number Publication Date
FR3093217A1 FR3093217A1 (fr) 2020-08-28
FR3093217B1 true FR3093217B1 (fr) 2022-01-07

Family

ID=66867527

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1901755A Active FR3093217B1 (fr) 2019-02-21 2019-02-21 Procede de correction d’un contour

Country Status (4)

Country Link
US (1) US20220207748A1 (fr)
EP (1) EP3928291A1 (fr)
FR (1) FR3093217B1 (fr)
WO (1) WO2020169802A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI838592B (zh) * 2020-11-06 2024-04-11 廣達電腦股份有限公司 圈選系統
US20220198723A1 (en) * 2020-12-17 2022-06-23 Mediatek Inc. Image enhancement method and image enhancement apparatus
CN113570631B (zh) * 2021-08-28 2024-04-26 西安安森智能仪器股份有限公司 一种基于图像的指针式仪表智能识别方法及设备
CN116433701B (zh) * 2023-06-15 2023-10-10 武汉中观自动化科技有限公司 一种工件孔洞轮廓的提取方法、装置、设备及存储介质

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI363616B (en) * 2009-03-30 2012-05-11 Univ Nat Cheng Kung Method for locating mandibular canal on panoramic radiograph and computer program thereof
JP5869822B2 (ja) * 2011-09-30 2016-02-24 株式会社アドバンス 歯科用画像処理システム
US9801601B2 (en) * 2015-12-29 2017-10-31 Laboratoires Bodycad Inc. Method and system for performing multi-bone segmentation in imaging data
US10607318B2 (en) * 2016-12-30 2020-03-31 Facebook, Inc. Systems and methods for image matting
US10997727B2 (en) * 2017-11-07 2021-05-04 Align Technology, Inc. Deep learning for tooth detection and evaluation

Also Published As

Publication number Publication date
WO2020169802A1 (fr) 2020-08-27
FR3093217A1 (fr) 2020-08-28
EP3928291A1 (fr) 2021-12-29
US20220207748A1 (en) 2022-06-30

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