(19)
(11) EP 3 455 824 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
06.10.2021 Bulletin 2021/40

(45) Mention of the grant of the patent:
01.09.2021 Bulletin 2021/35

(21) Application number: 17722486.2

(22) Date of filing: 15.05.2017
(51) International Patent Classification (IPC): 
G06T 5/00(2006.01)
 G06T 5/50(2006.01)
(52) Cooperative Patent Classification (CPC):
G06T 2207/20028; G06T 5/50; G06T 2207/10072; G06T 2207/10016; G06T 5/002
(86) International application number:
PCT/EP2017/061624
(87) International publication number:
WO 2017/194787 (16.11.2017 Gazette 2017/46)

(54)

NOISE REDUCTION IN IMAGE DATA

RAUSCHVERMINDERUNG IN BILDDATEN

RÉDUCTION DU BRUIT DANS DES DONNÉES D'IMAGE

(84) Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 13.05.2016 EP 16169555

(43) Date of publication of application:
20.03.2019 Bulletin 2019/12

(73) Proprietor: Stichting Radboud universitair medisch centrum
6525 GA Nijmegen (NL)

(72) Inventors:
  • SMIT, Ewoud Joris
    6525 GA Nijmegen (NL)
  • PROKOP, Wolfgang Mathias
    6525 GA Nijmegen (NL)

(74) Representative: Nederlandsch Octrooibureau 
P.O. Box 29720
2502 LS The Hague
2502 LS The Hague (NL)


(56) References cited: : 
   
  • ADRIËNNE M MENDRIK ET AL: "TIPS bilateral noise reduction in 4D CT perfusion scans produces high-quality cerebral blood flow maps", PHYSICS IN MEDICINE AND BIOLOGY, INSTITUTE OF PHYSICS PUBLISHING, BRISTOL GB, vol. 56, no. 13, 8 June 2011 (2011-06-08), pages 3857-3872, XP020206382, ISSN: 0031-9155, DOI: 10.1088/0031-9155/56/13/008 cited in the application
  • LI ZHOUBO ET AL: "A robust noise reduction technique for time resolved CT", MEDICAL PHYSICS, AIP, MELVILLE, NY, US, vol. 43, no. 1, 29 December 2015 (2015-12-29), pages 347-359, XP012204152, ISSN: 0094-2405, DOI: 10.1118/1.4938576 [retrieved on 1901-01-01]
  • HUHLE B ET AL: "Robust non-local denoising of colored depth data", COMPUTER VISION AND PATTERN RECOGNITION WORKSHOPS, 2008. CVPR WORKSHOPS 2008. IEEE COMPUTER SOCIETY CONFERENCE ON, IEEE, PISCATAWAY, NJ, USA, 23 June 2008 (2008-06-23), pages 1-7, XP031285714, ISBN: 978-1-4244-2339-2
  • Fan Zhu: "Brain Perfusion Imaging -Performance and Accuracy", , 2 July 2013 (2013-07-02), pages 1-154, XP055326404, Retrieved from the Internet: URL:http://research.nesc.ac.uk/files/FanZH U_Thesis_0.pdf [retrieved on 2016-12-06]
  • Michael Manhart: "Dynamic Interventional Perfusion Imaging: Reconstruction Algorithms and Clinical Evaluation Dynamische interventionelle Perfusionsbildgebung: Rekonstruktionsalgorithmen und klinische Evaluation", , 13 November 2014 (2014-11-13), pages 1-120, XP055326407, Retrieved from the Internet: URL:https://opus4.kobv.de/opus4-fau/frontd oor/deliver/index/docId/5395/file/MichaelM anhartDissertation.pdf [retrieved on 2016-12-06]
   
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).