(19)
(11) EP 4 283 557 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:
25.06.2025 Bulletin 2025/26

(45) Mention of the grant of the patent:
05.03.2025 Bulletin 2025/10

(21) Application number: 23154196.2

(22) Date of filing: 31.01.2023
(51) International Patent Classification (IPC): 
G06T 5/00(2024.01)
G06T 7/254(2017.01)
G06T 7/20(2017.01)
 G06T 5/50(2006.01)
H04N 25/60(2023.01)
(52) Cooperative Patent Classification (CPC):
G06T 7/254; G06T 5/50; G06T 2207/20224; G06T 2207/10116; G06T 2207/10124; G06T 2207/20182; G06T 2207/20201; G06T 2207/20221; G06T 2207/30008; G06T 5/70

(54)

IMAGE PROCESSING METHOD AND APPARATUS FOR REDUCING NOISE OF IMAGE OBTAINED BY RADIOGRAPHY

BILDVERARBEITUNGSVERFAHREN UND -VORRICHTUNG ZUR RAUSCHVERMINDERUNG EINES DURCH RADIOGRAPHIE ERHALTENEN BILDES

PROCÉDÉ ET APPAREIL DE TRAITEMENT D'IMAGE POUR RÉDUIRE LE BRUIT D'UNE IMAGE OBTENUE PAR RADIOGRAPHIE

(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR

(30) Priority: 27.05.2022 KR 20220065653

(43) Date of publication of application:
29.11.2023 Bulletin 2023/48

(73) Proprietor: DRTECH CORPORATION
Seongnam-si, Gyeonggi-do 13216 (KR)

(72) Inventors:
  • PARK, June Kyu
    Seoul 05613  (KR)
  • SHIN, Choul Woo
    Seongnam-si 13476 (KR)
  • YU, Young Gi
    Gwacheon-si 13835 (KR)

(74) Representative: Manitz Finsterwald Patent- und Rechtsanwaltspartnerschaft mbB 
Martin-Greif-Strasse 1
80336 München
80336 München (DE)


(56) References cited: : 
EP-B1- 2 357 607
US-A- 6 151 417
 US-A- 5 467 380
US-B1- 7 106 894
   
       
    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).