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1. WO2023281278 - THREAT ASSESSMENT SYSTEM

Publication Number WO/2023/281278
Publication Date 12.01.2023
International Application No. PCT/GB2022/051775
International Filing Date 08.07.2022
IPC
G08B 13/196 2006.1
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13Burglar, theft or intruder alarms
18Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
189using passive radiation detection systems
194using image scanning and comparing systems
196using television cameras
G08B 29/18 2006.1
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
29Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
18Prevention or correction of operating errors
G08B 31/00 2006.1
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
31Predictive alarm systems characterised by extrapolation or other computation using updated historic data
CPC
G08B 13/19608
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13Burglar, theft or intruder alarms
18Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength
189using passive radiation detection systems
194using image scanning and comparing systems
196using television cameras
19602Image analysis to detect motion of the intruder, e.g. by frame subtraction
19608Tracking movement of a target, e.g. by detecting an object predefined as a target, using target direction and or velocity to predict its new position
G08B 13/19613
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
13Burglar, theft or intruder alarms
18Actuation by interference with heat, light or radiation of shorter wavelength; Actuation by intruding sources of heat, light or radiation of shorter wavelength
189using passive radiation detection systems
194using image scanning and comparing systems
196using television cameras
19602Image analysis to detect motion of the intruder, e.g. by frame subtraction
19613Recognition of a predetermined image pattern or behaviour pattern indicating theft or intrusion
G08B 29/186
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
29Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
18Prevention or correction of operating errors
185Signal analysis techniques for reducing or preventing false alarms or for enhancing the reliability of the system
186Fuzzy logic; neural networks
G08B 31/00
GPHYSICS
08SIGNALLING
BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
31Predictive alarm systems characterised by extrapolation or other computation using updated historic data
Applicants
  • BOUNDARY TECHNOLOGIES LTD [GB]/[GB]
Inventors
  • WALTON, Paul
  • KNOX, Robin
  • TYLECEK, Radim
Agents
  • HINDLES LIMITED
Priority Data
2109885.008.07.2021GB
Publication Language English (en)
Filing Language English (EN)
Designated States
Title
(EN) THREAT ASSESSMENT SYSTEM
(FR) SYSTÈME D'ÉVALUATION DE MENACE
Abstract
(EN) There is disclosed a method of determining a degree of threat associated with activity in a scene observed by a camera, the method comprising: receiving image data from the camera; processing the image data to: generate object data identifying at least one object in the scene; generate tracking data encoding the movement of said at least one object within the scene; and processing the object data and tracking data with a probabilistic inference algorithm to generate threat assessment data indicative of the degree of threat; and outputting the threat assessment data.
(FR) La présente invention concerne un procédé de détermination d'un degré de menace associé à l'activité dans une scène observée par un appareil de prise de vues, le procédé consistant à : recevoir des données d'image provenant de l'appareil de prise de vues ; traiter les données d'image pour : générer des données d'objet identifiant au moins un objet dans la scène ; générer des données de suivi codant le mouvement dudit au moins un objet à l'intérieur de la scène ; et traiter les données d'objet et les données de suivi avec un algorithme d'inférence probabiliste pour générer des données d'évaluation de menace indiquant le degré de menace ; et délivrer en sortie les données d'évaluation de menace.
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