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1. WO2020111932 - A SYSTEM AND METHOD FOR DETECTING AGGRESSIVE BEHAVIOUR

Publication Number WO/2020/111932
Publication Date 04.06.2020
International Application No. PCT/MY2019/050099
International Filing Date 26.11.2019
IPC
G06K 9/00 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR 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
G06K 9/62 2006.01
GPHYSICS
06COMPUTING; CALCULATING OR 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
62Methods or arrangements for recognition using electronic means
CPC
G06K 9/00
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
G06K 9/62
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
62Methods or arrangements for recognition using electronic means
Applicants
  • MIMOS BERHAD [MY]/[MY]
Inventors
  • BIN NIK ZULKEPELI, Nik Ahmad Akram
  • BINTI KADIM, Zulaikha
  • HON, Hock Woon
  • BINTI MOHAMED JOHARI, Khairunnisa
Agents
  • H A RASHID, Ahmad Fadzlee
Priority Data
PI 201800217129.11.2018MY
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) A SYSTEM AND METHOD FOR DETECTING AGGRESSIVE BEHAVIOUR
(FR) SYSTÈME ET MÉTHODE DE DÉTECTION DE COMPORTEMENT AGRESSIF
Abstract
(EN)
The present invention relates to a system (200) and method for detecting aggressive behaviour. The system (200) comprising an optical flow module (105), a statistical computing module (106), and a classifier module (107). The optical flow module (105) is configured for subtracting background of an image frame and compute optical flow each image frame. The statistical computing module (106) is configured for computing statistical value of the optical flow based on a dimension of the enclosed space and location of a camera (101). The classifier module (107) is configured for classifying the statistical value to determine if an aggressive behaviour occurs. The system (200) further comprising an image calibration module (104) configured for calibrating the image frame according to a dimension of the enclosed space and the location of the camera (101) by correcting perspective errors in the image frame.
(FR)
La présente invention concerne un système (200) et un procédé de détection d'un comportement agressif. Le système (200) comprend un module de flux optique (105), un module informatique statistique (106), et un module classificateur (107). Le module de flux optique (105) est configuré pour soustraire un arrière-plan d'une trame d'image et calculer un flux optique de chaque trame d'image. Le module de calcul statistique (106) est configuré pour calculer une valeur statistique du flux optique sur la base d'une dimension de l'espace fermé et de l'emplacement d'une caméra (101). Le module de classification (107) est configuré pour classifier la valeur statistique afin de déterminer si un comportement agressif se produit. Le système (200) comprend en outre un module d'étalonnage d'image (104) configuré pour étalonner la trame d'image conformément à une dimension de l'espace fermé et de l'emplacement de la caméra (101) par correction d'erreurs de perspective dans la trame d'image.
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