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WO2023246990A1 - Procédé et système de commande de véhicule pour régler des températures agréables - Google Patents

Procédé et système de commande de véhicule pour régler des températures agréables Download PDF

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Publication number
WO2023246990A1
WO2023246990A1 PCT/DE2023/200122 DE2023200122W WO2023246990A1 WO 2023246990 A1 WO2023246990 A1 WO 2023246990A1 DE 2023200122 W DE2023200122 W DE 2023200122W WO 2023246990 A1 WO2023246990 A1 WO 2023246990A1
Authority
WO
WIPO (PCT)
Prior art keywords
camera
head
information
detection
temperature
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/DE2023/200122
Other languages
German (de)
English (en)
Inventor
Martin Pöttcher
Philip Albert PREDIGER
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aumovio Engineering Solutions GmbH
Original Assignee
Continental Engineering Services GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Engineering Services GmbH filed Critical Continental Engineering Services GmbH
Publication of WO2023246990A1 publication Critical patent/WO2023246990A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V20/00—Scenes; Scene-specific elements
    • G06V20/50—Context or environment of the image
    • G06V20/59—Context or environment of the image inside of a vehicle, e.g. relating to seat occupancy, driver state or inner lighting conditions
    • G06V20/597—Recognising the driver's state or behaviour, e.g. attention or drowsiness

Definitions

  • the invention relates to a method and a vehicle control system by means of which temperature information of a vehicle occupant is recorded.
  • the invention has set itself the task of recording temperature information of a vehicle occupant and, in particular, improving and/or specifying and/or simplifying this recording.
  • a vehicle occupant is preferably understood to mean a passenger of the vehicle who sits on a seat device in the vehicle and in particular the driver of the vehicle in the driver's seat.
  • an information/data/signal processing step in one of the two cameras preferably takes place in the signal processing device and/or the electronic control unit.
  • the invention is preferably based on the idea of detecting thermal information/data of at least one vehicle occupant by means of a first camera, which is designed as a near-infrared camera, geometric information and/or location information regarding the shape and/or positioning of the head and/or of defined To detect head areas of a detected vehicle occupant and, depending on this, in particular in a signal processing device, to generate position data of the head and / or defined head areas and to provide this position data to a second camera, which is designed as a thermal imaging camera and / or to one that controls the second camera
  • Signal processing device and the second camera record temperature information depending on and / or taking into account the position data and generate temperature data about the head and / or defined head areas of the vehicle occupant are, in particular, the temperature data are generated or calculated in the signal processing device.
  • a vehicle occupant is preferably understood to mean a passenger of a motor vehicle, expediently the driver of the motor vehicle.
  • a coordinate transformation is expediently carried out and/or the position data is recorded as a function of image points or pixels and/or image point clouds or image points or Image point clouds, captured by the second camera, are assigned position data that is determined using the first camera.
  • a pixel of the camera is preferably understood to mean a pixel.
  • the signal processing device and the electronic control unit are the same device or an integrated device and one or more signal processing and / or data processing steps are carried out in one of the two devices or in both together or in the integrated device.
  • the detection by the second camera in particular its orientation with respect to the head and/or with respect to defined head areas, and/or its evaluation of the temperature information recorded by it, takes place depending on the position data.
  • the second camera prefferably record temperature information for each pixel or for defined pixels.
  • the detection and/or evaluation and/or signal processing of the second camera is calibrated depending on the position data.
  • the first camera and the second camera as well as the signal processing device are part of a detection system
  • the detection system additionally has an infrared lighting unit, which in particular is and/or is aligned essentially together with the first camera.
  • the first camera is aligned frontally to the face of the vehicle occupant to be captured, the first camera being aligned such that its detection direction and/or optical axis forms an angle of less than 45°, in particular an angle of less than 20°.
  • the head areas prefferably be the forehead and/or mouth and/or nose and/or ear(s) and/or the carotid artery and for the detection system to detect and/or identify these head areas carry out pattern recognition, in particular using stored pattern data and/or algorithms, particularly preferably for recognizing the face and/or the parts of the head, for example eyes, nose, mouth and/or forehead, with very particularly preferably the most important part of the head being the forehead, then the mouth and nose, ear, carotid artery.
  • 3D data are generated for one or more of these head areas and/or a static observation of individual striking reference points of the head area is carried out, from which in particular distances between the reference points are calculated and 3D data are preferably generated from this as position data of one or more of the head areas .
  • the signal processing device provides this temperature data to an electronic control unit, which controls an air conditioning and/or ventilation system and/or heating unit, which in particular separately controls the temperature for different air outlet openings.
  • the detection is expediently carried out by the detection system and the control of the air conditioning and/or ventilation system and/or heating unit depending on the temperature data as a control, in particular with regard to an adjustable one Target temperature and/or depending on stored optimal temperature values for the head area(s).
  • the head areas to be recorded, to which temperature data are assigned are at least the forehead of a vehicle occupant and/or the inner corner of the eye or the medial corner of the eye of one or both eyes and at least these head area(s) are captured by the first camera and the geometric information and /or location information is recognized and/or captured by the signal processing device and position data is assigned, depending on which the second camera then captures temperature information about this head area(s).
  • At least one metabolic information and/or attention information for example by means of the evaluation, whether there is a fixed gaze or one that remains unchanged for a defined second dream, and/or fatigue information, for example recognizable through a defined temperature and/or a blink frequency in a defined area, and/or a driver identification, which can be done, for example, via position data and/or pattern information , which are stored in particular, one or more and / or defined detected head areas, and / or an emotion detection and / or a life function detection, for example to detect whether the detected object is a head or at least a head area, particularly preferred to detect possible manipulation or deception and/or health information.
  • the regulation and control of the air conditioning and/or ventilation system and/or heating unit comprises at least two modes, a regulation mode for the entire vehicle interior and a second, in particular associated mode, which enables the regulation of a seat.
  • the first camera and the second camera are preferably a maximum of 50mm or 10mm apart from each other, this distance being defined in particular as the distance between the two central axis exits from the objective/lens of the respective camera.
  • the first and second cameras are expediently located in a defined and fixed position and angle to one another.
  • the detection system is designed in particular in such a way that the positions and angles of the first and second cameras are/are calibrated once on the software side.
  • first camera (NIR) and the second camera (FIR) are arranged in a common housing.
  • the distance between the first and second cameras in particular with respect to their center of the outer lens surface/lens surface, has a distance of less than 5cm.
  • the first and second cameras are arranged essentially fixed and immovable.
  • the first or the second camera is arranged in and/or on a dashboard of the motor vehicle and the second or the first camera, i.e. in particular the other camera, in and/or on an interior mirror or in and/or on a Headlining and / or in and / or on an A-pillar in the interior of the motor vehicle is arranged.
  • first and second cameras prefferably be aligned with a common zone and/or essentially with a common point, in particular the head area and/or the head position of a seat of the motor vehicle, in particular the driver's seat.
  • the detection system is designed such that the first and second cameras are calibrated together, in particular by means of a common signal processing device; expediently, the first and second cameras and the signal processing device are arranged in the common housing.
  • the detection system is preferably designed such that the distance and/or angle between the first and second cameras, in particular with regard to their central axes of detection and/or the angle between the two central detection axes, is more than 10° is, in particular more than 30°, at most 90°, particularly preferably essentially 60°.
  • the first camera as a near-infrared camera, is preferably designed in such a way that it is designed to detect wavelengths greater than 940 nm, in particular in the invisible wavelength range.
  • the second camera as a thermal imaging camera, is preferably designed so that it is designed to detect wavelengths of 3000 to 7000 nm or an intermediate interval of this wavelength interval.
  • the detection axis or central axis of a camera is preferably understood to mean its optical axis.
  • the second camera as a thermal imaging camera, is preferably designed as a thermographic camera unit or thermographic camera; in particular, the second camera is designed such that it records a temperature for each pixel or detection point or records/provides/calculates a temperature data for each pixel.
  • the invention also expediently relates to a vehicle control system, comprising the detection device as well as an air conditioning and/or ventilation system and/or heating unit and in particular an electronic control unit, the vehicle control system being suitable for carrying out the method.
  • the invention also relates in particular to a computer program product comprising instructions which, when the program is executed by a computer, cause it to carry out the method.
  • Fig. 1 shows an exemplary detection system in a schematic representation.
  • the detection system includes, for example, a first camera (NIR) and a second camera (FIR), the first camera (NIR) being designed as a near-infrared camera and the second Camera (FIR) is designed as a thermal imaging camera and a common signal processing device (SigV), the first and second cameras (NIR), (FIR) and the common signal processing device (SigV) being arranged in a common housing.
  • NIR first camera
  • FIR second camera
  • SigV common signal processing device
  • the central axes m1, m2 of their detection and/or the angle between the two central detection axes of the two cameras have an angle or intersection angle of essentially 30° to one another.
  • the detection system is, for example, designed and arranged and aligned in the vehicle in such a way that the area of the intersection of the two central axes m1, m2 is arranged in the head area of a seat of the motor vehicle, in particular the driver's seat, so for example this intersection is in the head area of the driver's seat.
  • the first and second cameras are arranged in such a way that their lenses/lenses are arranged on/adjacent to a common outer surface of the housing 1, this outer surface not being flat, but this could alternatively be an example can.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Theoretical Computer Science (AREA)
  • Radiation Pyrometers (AREA)

Abstract

Des informations géométriques et/ou des informations spatiales concernant la forme et/ou le positionnement de la tête et/ou des parties de tête définies d'un occupant de véhicule détecté sont acquises au moyen d'une première caméra (NIR) réalisée sous la forme d'une caméra proche infrarouge et, en fonction de celles-ci, des données de position concernant la tête et/ou des parties de tête définies sont générées à partir de celles-ci, en particulier dans un dispositif de traitement de signal (SigV), et ces données de position sont fournies à une seconde caméra (FIR) conçue sous la forme d'une caméra d'imagerie thermique, et la seconde caméra (FIR) acquiert des informations de température sur la base des données de position, et des données de température concernant la tête et/ou des parties de tête définies de l'occupant du véhicule sont générées.
PCT/DE2023/200122 2022-06-24 2023-06-21 Procédé et système de commande de véhicule pour régler des températures agréables Ceased WO2023246990A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022206390.2 2022-06-24
DE102022206390.2A DE102022206390A1 (de) 2022-06-24 2022-06-24 Verfahren und Fahrzeugregelungssystem zur Einstellung angenehmer Temperaturen

Publications (1)

Publication Number Publication Date
WO2023246990A1 true WO2023246990A1 (fr) 2023-12-28

Family

ID=87158099

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2023/200122 Ceased WO2023246990A1 (fr) 2022-06-24 2023-06-21 Procédé et système de commande de véhicule pour régler des températures agréables

Country Status (2)

Country Link
DE (1) DE102022206390A1 (fr)
WO (1) WO2023246990A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9501704B2 (en) * 2012-10-05 2016-11-22 Panasonic Intellectual Property Corporation Of America Drowsiness estimation device, drowsiness estimation method, and computer-readable non-transient recording medium
US10165971B2 (en) * 2014-09-11 2019-01-01 Denso Corporation Driver state determination apparatus
DE112018003728T5 (de) * 2017-07-21 2020-04-09 Denso Corporation Abbildungsvorrichtung und fahrzeuganzeigevorrichtung
EP3722993A1 (fr) * 2019-04-09 2020-10-14 FotoNation Limited Système permettant d'effectuer une détection et/ou un suivi de l' il

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3086582B1 (fr) 2018-09-27 2020-12-18 Valeo Systemes Thermiques Procede de gestion thermique pour dispositif de gestion thermique, en particulier pour un habitacle de vehicule

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9501704B2 (en) * 2012-10-05 2016-11-22 Panasonic Intellectual Property Corporation Of America Drowsiness estimation device, drowsiness estimation method, and computer-readable non-transient recording medium
US10165971B2 (en) * 2014-09-11 2019-01-01 Denso Corporation Driver state determination apparatus
DE112018003728T5 (de) * 2017-07-21 2020-04-09 Denso Corporation Abbildungsvorrichtung und fahrzeuganzeigevorrichtung
EP3722993A1 (fr) * 2019-04-09 2020-10-14 FotoNation Limited Système permettant d'effectuer une détection et/ou un suivi de l' il
US20200324780A1 (en) * 2019-04-09 2020-10-15 Fotonation Limited System for performing eye detection and/or tracking

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Publication number Publication date
DE102022206390A1 (de) 2024-01-04

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