NON-CONTACT TEMPERATURE MEASUREMENT IN THERMAL IMAGING SYSTEMS AND METHODS

• Main Authors: Rodriguez, Sylan M, Strandemar, Katrin, Day, John C, Rydqvist, Karl, Tremblay, Louis, Boulanger, Pierre M, Elmfors, Per O, Gihl, Fredrik, Nguyen, Tien, Pochapsky, Eugene, Loman, Rasmus, Lepore, Giovanni, Högasten, Nicholas, Klingshirn, James, Proebstel, Robert, Walker, Jeremy P, Muncaster, Justin, Hedberg, Hugo, Richards, Austin A, Hoelter, Theodore R
• Format: Patent
• Language: English
• Published: 09.02.2023
• Subjects: ALARM SYSTEMS; CALCULATING; COLORIMETRY; COMPUTING; COUNTING; DIAGNOSIS; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; IMAGE DATA PROCESSING OR GENERATION, IN GENERAL; MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT; MEASURING; MEDICAL OR VETERINARY SCIENCE; ORDER TELEGRAPHS; PHYSICS; RADIATION PYROMETRY; SIGNALLING; SIGNALLING OR CALLING SYSTEMS; SURGERY; TESTING

Systems and methods include an image capture component configured to capture infrared images of a scene, and a logic device configured to identify a target in the images, acquire temperature data associated with the target based on the images, evaluate the temperature data and determine a corresponding temperature classification, and process the identified target in accordance with the temperature classification. The logic device identifies a person and tracks the person across a subset of the images, identify a measurement location for the target in a subset of the images based on target feature points identified by a neural network, and measure a temperature of the location using corresponding values from one or more captured thermal images. The logic device is further configured calculate a core body temperature of the target using the temperature data to determine whether the target has a fever and calibrate using one or more black bodies.