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1. WO2020135812 - SYSTEMS AND METHODS FOR OSSIFICATION CENTER DETECTION AND BONE AGE ASSESSMENT

Publication Number WO/2020/135812
Publication Date 02.07.2020
International Application No. PCT/CN2019/129636
International Filing Date 28.12.2019
IPC
G06T 7/00 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
G06T 7/11 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
10Segmentation; Edge detection
11Region-based segmentation
G06T 7/73 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
70Determining position or orientation of objects or cameras
73using feature-based methods
G16H 50/30 2018.01
GPHYSICS
16INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR SPECIFIC APPLICATION FIELDS
HHEALTHCARE INFORMATICS, i.e. INFORMATION AND COMMUNICATION TECHNOLOGY SPECIALLY ADAPTED FOR THE HANDLING OR PROCESSING OF MEDICAL OR HEALTHCARE DATA
50ICT specially adapted for medical diagnosis, medical simulation or medical data mining; ICT specially adapted for detecting, monitoring or modelling epidemics or pandemics
30for calculating health indices; for individual health risk assessment
G06T 7/70 2017.01
GPHYSICS
06COMPUTING; CALCULATING OR COUNTING
TIMAGE DATA PROCESSING OR GENERATION, IN GENERAL
7Image analysis
70Determining position or orientation of objects or cameras
CPC
A61B 5/055
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
05Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fields; Measuring using microwaves or radio waves 
055involving electronic [EMR] or nuclear [NMR] magnetic resonance, e.g. magnetic resonance imaging
A61B 5/4504
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
45For evaluating or diagnosing the musculoskeletal system or teeth
4504Bones
A61B 5/7203
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
72Signal processing specially adapted for physiological signals or for diagnostic purposes
7203for noise prevention, reduction or removal
G06K 9/00375
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
00362Recognising human body or animal bodies, e.g. vehicle occupant, pedestrian; Recognising body parts, e.g. hand
00375Recognition of hand or arm, e.g. static hand biometric or posture recognition
G06K 9/2018
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
20Image acquisition
2018Identifying/ignoring parts by sensing at different wavelengths
G06K 9/46
GPHYSICS
06COMPUTING; CALCULATING; COUNTING
KRECOGNITION OF DATA; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
9Methods or arrangements for reading or recognising printed or written characters or for recognising patterns, e.g. fingerprints
36Image preprocessing, i.e. processing the image information without deciding about the identity of the image
46Extraction of features or characteristics of the image
Applicants
  • SHANGHAI UNITED IMAGING INTELLIGENCE CO., LTD. [CN]/[CN]
Inventors
  • ZHANG, Minqing
  • LIU, Qin
  • WU, Dijia
  • ZHAN, Yiqiang
  • ZHOU, Xiang Sean
Agents
  • METIS IP (CHENGDU) LLC
Priority Data
16/729,30228.12.2019US
201811632931.829.12.2018CN
201910168616.206.03.2019CN
201910886148.219.09.2019CN
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) SYSTEMS AND METHODS FOR OSSIFICATION CENTER DETECTION AND BONE AGE ASSESSMENT
(FR) SYSTÈMES ET PROCÉDÉS DE DÉTECTION DU CENTRE D'OSSIFICATION ET D'ÉVALUATION DE L'ÂGE OSSEUX
Abstract
(EN)
A system and a method for ossification center detection (OCD) and bone age assessment (BAA) may be provided. The method may include: obtaining a bone age image of a subject (1601); generating a normalized bone age image by preprocessing the bone age image (1602); determining, based on the normalized bone age image, positions of a plurality of ossification centers using an ossification center localization (OCL) model (1603); and estimating, based on the normalized bone age image and information related to the positions of the plurality of ossification centers, a bone age of the subject using a bone age assessment (BAA) model (1604).
(FR)
L'invention concerne un système et un procédé de détection du centre d'ossification (OCD) et d'évaluation de l'âge osseux (BAA). Ledit procédé peut comprendre les étapes consistant : à obtenir une image d'âge osseux d'un sujet (1601); à générer une image d'âge osseux normalisée par prétraitement de l'image d'âge osseux (1602); à déterminer, en fonction de l'image d'âge osseux normalisée, des positions d'une pluralité de centres d'ossification à l'aide d'un modèle de localisation du centre d'ossification (OCL) (1603); et à estimer, en fonction de l'image d'âge osseux normalisée et des informations relatives aux positions de la pluralité de centres d'ossification, un âge osseux du sujet à l'aide d'un modèle d'évaluation d'âge osseux (BAA).
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