• 专利附录
  • 专利说明
  • 权利要求
  • 类似技术
  • 同族专利
  • 引用文献
  • 法律状态
  • 优先权
    • 专利摘要:
    An interior lighting control device of a motor vehicle comprises at least one lighting module (2) capable of emitting a light beam into the passenger compartment, and detection means (3, 4, 5) of a plurality of gestures of a vehicle occupant forming a predetermined sequence triggering the control of said interior lighting module (2).
    公开号:FR3048933A1
    申请号:FR1652408
    申请日:2016-03-21
    公开日:2017-09-22
    发明作者:Aymeric Koniec；Thierry Fleurence
    申请人:Valeo Vision SA；
    IPC主号:
    专利说明:

    DEVICE FOR CONTROLLING INTERIOR LIGHTING OF A MOTOR VEHICLE
    The present invention relates to a device and a control method, including gesture recognition, for the interior lighting of a vehicle.
    Motion detection or gesture recognition devices are becoming more prevalent in computer systems. In particular, there are many applications for computers and game consoles. In the automotive field, the development of autonomous and communicating vehicles involves the use of tactile or voice interfaces allowing the exchange of information between the occupant and the vehicle. Some vehicles may provide gesture recognition systems for active vehicle safety applications such as driver vigilance monitoring. These systems are able to detect and analyze movements of the head, face and eyes of the driver such as, for example, eyelid opening, pupil position, gaze direction, position and inclination of the head. The system, consisting of a detection unit, a calculation unit and a software, is then able to determine the level of alertness and distraction or the state of sleepiness of the driver and can, therefore, transmit an alert for falling asleep or distraction in real time. The process associated with such a gesture recognition control device comprises at least one step of detecting and collecting data, a step of comparing the information obtained with reference data and then a step of controlling and / or controlling functions of securing the vehicle. In response to a loss of alertness or a diversion of the driver's attention, the on-board systems have the ability to intervene on the control of the vehicle by proposing, for example, a help to maintain the trajectory, an automatic braking in full power , speed regulation or piloting assistance. The invention aims to provide a reliable gesture recognition control device for controlling the interior lighting of a vehicle, said device being able to limit the recognition of parasitic sequences of movements that can penalize the recognition process and the resulting actions. The device of the invention enhances the safety of the occupants of the vehicle by not disturbing the vigilance of the driver who remains focused on the path of the vehicle. The comfort and well-being of the occupants are also improved. The invention relates to an interior lighting control device of a motor vehicle comprising at least one lighting module capable of emitting a light beam into the passenger compartment, characterized in that it comprises at least one means of detecting a plurality of gestures of a vehicle occupant forming a determined sequence triggering the control of said interior lighting module.
    It is understood that, according to the invention, the detection of a sequence, in particular a gestural sequence, will trigger the control of a specific light beam to perform an interior lighting function.
    It can be provided that a lighting module is able to emit a plurality of light beams each of which is respectively associated with a sequence, in particular a gestural sequence, determined, the control device being arranged to control the emission of one or the other of the light beams according to the detection of a sequence or another sequence. The lighting module may for example be able to emit selectively at least two distinct light beams by their color and / or their intensity and / or their orientation, the control device being arranged to control the emission of the light. one or the other of the light beams according to the detection of a sequence associated with one of the specific light beams.
    And it may be provided, alternatively or in combination with the above, that the lighting device according to the invention comprises at least two lighting modules capable of emitting a light beam into the passenger compartment, the control device being arranged to controlling the emission of a light beam by one or the other of the lighting modules according to the detection of a sequence associated with this lighting module.
    More particularly, it may be provided that a control device according to the invention comprises at least one gesture detection and capture module capable of detecting, capturing and recording a gestural sequence of a vehicle occupant in a detection zone. active cabin to transmit data representative of said gestural sequence, a control module, connected to said gesture sequence detection and capture module, adapted to receive the data representative of said recorded gesture sequence, to compare them to at least a reference gestural sequence and determining whether the trigger threshold conditions of a lighting function are reached, said control module being configured to generate and transmit at least one ignition and / or extinguishing instruction and / or variation of the luminous intensity and / or orientation of a beam emitted by the at least s a lighting module.
    The gestural sequence detected consists of a succession of gestures defined by the movement of all or part of the body of at least one occupant, preferably an upper limb of an occupant, preferably the driver. Each upper limb consists of three segments: arm, forearm and hand.
    A gestural sequence is detected since at regular intervals, advantageously very short, a position different from the part of the body detected in motion is recorded.
    A gesture sequence is mainly defined by a path executed in an active detection zone, in a vertical, horizontal, or diagonal direction, in one direction or the other. The orientation of the sequence of gestures, that is to say the direction and direction that can be determined by putting all the positions of the part of the body detected end to end, makes it possible to determine an ignition or an extinction of a light source and / or a corresponding orientation of all or part of the lighting module to move the beam accordingly.
    The execution speed of the gesture sequence can also be taken into account. It is understood that depending on the amount of lighting modules to be activated and their positions in the passenger compartment, many combinations of gestures associated with specific detection areas can be created so as to constitute a functional sign language.
    Similarly, active detection zone is preferably a zone of the passenger compartment that can be defined as well by one or more 2D flat surface (s) as by one or more 3D volume (s). The active detection area can cover the cabin in a wide way, focusing on the center line of the cabin, or to improve the definition of the images taken in the area, be targeted on a part of the cabin and in particular that of the driver or a part of the passenger compartment in which an occupant has been detected.
    It can be provided that the lighting module comprises a light source, in particular, consisting of at least one LED light emitting diode, which can be housed in the vehicle ceiling.
    The gesture detection and gesture capture module is capable of detecting, capturing and recording any gestural sequence executed by at least one occupant of the vehicle in an active detection zone of the passenger compartment and capable of generating and transmitting data representative of said gesture sequence.
    According to an advantageous characteristic of the invention, the gesture detection and capture sequence capture module of the gesture recognition control device is oriented towards at least one active detection zone of the passenger compartment of the vehicle and consists of at least one gesture detection means capable of detecting at least one directional movement or gesture of at least one occupant of the vehicle in said active detection area potentially initiating a gestural sequence and / or at least one image acquisition means capable of capturing and recording a sequence of images corresponding to the gestural sequence detected by said detection means.
    The image acquisition means is activated when a movement and / or gesture is detected by the detection means in the active detection zone in order to prevent the image acquisition means from operating continuously. and energy consumer. It may be envisaged that the control device has no detection means, it being understood that this means has a function of detecting an initiating gesture of a sequence of gestures to be acquired subsequently. In this case, a shooting is ensured continuously on the detection zone and the images acquired are all processed.
    The gesture detection and capture module may comprise a single image acquisition means, oriented on a single active detection zone so that the driver is the only one able to interact with the recognition control device. gesture or comprise a plurality of image acquisition means, oriented on one or more active detection zone (s), so that all the occupants of the vehicle are able to interact individually with the gesture recognition control device.
    The gesture sequence detection means may consist of any type of sensor and / or camera, able to detect at least one movement or gesture of a vehicle occupant in a predefined active detection zone. By way of non-limiting example, the sensor may be an infra-red sensor and / or ultrasound and / or radar type. The detection means may comprise a plurality of sensors of different types, and such or such sensor may be selected based on information received on the light conditions by the control module. The gesture sequence detection means interacts with the image acquisition means as may have been previously specified.
    The image acquisition means of the detection module and gesture sequence capture consists of any 2D or 3D shooting means, source of images and / or videos, said means being able to capture, generate and record 2D or 3D fixed or directional gesture sequences executed in an active detection zone. By way of non-limiting example the means of shooting is one or more camera (s) and / or device (s) pbotos. By camera is meant, for example, a thermal camera and / or a camera for visible light and / or an infra-red camera that can operate at any level of light intensity in the cabin and / or laser camera and / or a radar.
    The data acquired and generated by the gesture sequence detection and capture module constitute data defining mono, bi or three-dimensional geometrical shapes and / or data representing at least one position or trajectory of the body part detected in an area of active detection. Thus "boxes" are defined in which the presence of a part of the determined body is identified, and the displacement of the succession of "boxes" corresponding to the displacement of the part of the detected body is analyzed. This data, representative of the gestural sequence executed by a vehicle occupant, is transmitted to the control module of the gesture recognition control device according to the invention.
    The gesture recognition control device may comprise at least one display means, which may be configured to display a visual feedback of the current position of the part of the body concerned by the operation of the device according to the invention and / or the positions or gesture sequences required to activate the controls of the lighting modules. The display means may also allow manual selection of lighting functions.
    According to an advantageous characteristic of the invention, the control module of the gesture recognition control device is a central data processing unit connected to at least one gesture sequence detection and capture module and / or at least one means for afficbage. The control module comprises, at least, a processor, a memory and a data storage means. The data storage means comprises the database containing the reference gesture sequences, the instructions for activating the lighting functions executable by the processor and any receive and data transmission instructions.
    The operating principle of the control module of the gesture recognition control device according to the invention is based on the interdependence existing between a plurality of gestural sequences executed by at least one occupant of the vehicle, preferably by an upper member of said occupant, detected in a plurality of active detection zones of the babitacle and a plurality of lighting activation functions of the house. According to this operating principle, the control module is configured to: receive data representative of the gestural sequence detected and recorded by at least one gesture detection and capture module, analyze said data relating to the mono, bi geometrical shape or three-dimensional and / or the position of the gesture sequence and compare them to reference gesture sequences stored in a database, determine if said recorded gesture sequence is analogous to one of the reference gesture sequences and if this similarity allows to reach the triggering threshold conditions of a lighting function, to transmit a determined instruction to at least one lighting module and / or by means of display.
    In order to obtain the activation of at least one lighting module, an occupant of the vehicle moves all or part of one of its upper limbs and performs, voluntarily and specifically, a gestural sequence in an area active detection of the passenger compartment. Through detection, analysis, comparison and control steps specific to the gesture recognition control device according to the invention, any other parasitic movement has no effect on the activation of the lighting modules.
    According to an advantageous characteristic, the control module has a capacity for learning new movements, which can be recorded in order to feed the database into new reference gesture sequences. The invention also relates to a control method of the interior lighting during which at least, following a gestural sequence of at least one occupant in a detection zone of the passenger compartment, a capture step and 2D and / or three-dimensional two-dimensional image recording system 3t) of said gesture sequence, an image analysis step for generating data representative of the detected gesture sequence, a step of transmitting data representative of said gesture sequence, a step of transmitting said representative data to at least one control module, a step of analyzing said data relating to the mono, bi or three-dimensional geometric shape and / or to the position and / or trajectory of said gestural sequence, a step of comparing said data relating to said recorded gesture sequence to at least one reference gestural sequence this stored in a database, a step for determining whether the threshold conditions for triggering a lighting function are reached, if the threshold threshold conditions are reached, a transmission and execution step of at least an ignition and / or extinguishing and / or dimming instruction to at least one lighting module integrated into the passenger compartment of the vehicle.
    According to an advantageous characteristic, the control method may comprise a step of learning at least one new reference gesture sequence. This learning step can be carried out according to an iterative process during which the user repeats the same gestural sequence so that the control module can synthesize it and generate an average movement defining a new reference gesture sequence.
    Furthermore, it is possible to implement in the analysis step a gestural sequence detection means and a means for acquiring distinct images capable of interacting with each other, said acquisition means images being implemented only when the detection means has detected the initiation of a gesture that can initiate a gestural sequence.
    In an alternative to this last embodiment, it is possible to implement in the analysis step an image acquisition means which continuously recovers images targeted on the detection zone. Other features and advantages of the invention will appear more clearly on reading the detailed description of an embodiment of the invention, given by way of illustrative and non-limiting example and based on the single figure in FIG. which is illustrated the gesture recognition control device for the interior lighting of a vehicle according to the invention and steps of the associated method.
    A gesture recognition control device 1 for the interior lighting of a vehicle comprises at least one lighting module 2, configured to illuminate the passenger compartment and arranged for this purpose, for example in the ceiling lamp, and various modules among which at least one gesture detection and capture module 3, the configuration of which will be described in more detail below, and a control module 7 "which may comprise in particular a processor 8, a memory 9 and a storage means data 10. The device may further comprise a display means 6, preferably integrated in the dashboard of the vehicle.
    The gesture sequence detection and capture module 3, preferably located in the front part of the passenger compartment of the vehicle, is in the illustrated case constituted by one or more detection means 4 of a gestural sequence. , and one or more image acquisition means 5 · These elements constituting the gesture sequence detection and capture module 3, interact and communicate with each other so as to detect, capture, record at least one movement sequence 11 performed, in an active detection area of the passenger compartment 15, by an occupant of the vehicle, preferably the driver.
    The means (s) of detection 4 here consist of one or more infrared sensor (s) arranged in the passenger compartment and the means (s) of acquisition of images consist of one or more several video cameras arranged independently of the detection means in the passenger compartment, it being understood that at least one detection means and an image acquisition means are configured to target the same part of the passenger compartment. It is understood that the advantage of decoupling these two means is to control the ignition of the image acquisition means only when the detection means have noted the beginning of a movement that can correspond to a sequence of gestures 11 This avoids having image acquisition means operating continuously. However, as has been previously stated, it would be possible to use only one device combining the detection means and the image acquisition means.
    According to different variants of the invention, the gesture detection and capture module 3 may comprise a single image acquisition means oriented on a single active detection zone so that the driver is only capable of interacting with the gesture recognition control device, or comprise a plurality of image acquisition means 5 "oriented on one or more active detection zone (s), so that all occupants of the vehicle are able to interact individually with the gesture recognition control device 1. It is understood that the number and configuration of the detection means could be determined according to the presence of one or more detection zones active 15 ·
    A gesture sequence 11 is defined by a vertical, horizontal and / or diagonal trajectory executed in an active detection zone 15. The execution speed of the gesture sequence 11 can also be taken into account in order to distinguish a simple gesture, gestural sequence. said fixed, of a movement, gestural sequence said directional.
    Depending on the quantity of lighting modules 2 to be activated and their positioning in the passenger compartment, many combinations of gestures associated with precise detection zones can be created so as to constitute a functional sign language.
    In the main and preferred embodiment of the invention, the gestural sequences are executed by an occupant seated at the front of the vehicle, preferably by the driver in order to activate a lighting module 2, preferably a central ceiling light located in the front part of the cockpit.
    In this configuration, there will be described by way of nonlimiting example, four combinations of gesture sequences 11 that can be envisaged, these to be performed in an active detection zone 15 centered on the front part of the passenger compartment. These combinations consist of a succession of positions of the driver's arm, identified as such by a processing of the images acquired by the image acquisition means 5, in the active detection zone.
    A first combination of gesture sequences makes it possible to turn on the overhead light, this first combination consisting of a rapid vertical ascent of the driver's right upper limb towards the ceiling of the passenger compartment to reach a high position, maintained for a few seconds, right hand open. palm flat to end with a return of the upper limb to its current position on the steering wheel or the gear lever or rest on an armrest.
    A second combination of gesture sequences makes it possible to increase the luminous intensity of a lighting module, this second combination consisting of a slow upward movement, closed fist, of the right upper limb of the driver from the gear lever towards the ceiling of the babitacle.
    A third combination of gestural sequences makes it possible to reduce the luminous intensity of a lighting module, this third combination consisting of a slow descent, with a clenched fist, of the driver's upper right-hand limb from a point baut of the babitacle to gear lever.
    A fourth combination of gestural sequences makes it possible to extinguish a lighting module, and this combination can begin with a rapid vertical ascent of the driver's upper right-hand member towards the ceiling of the house to reach a high position where the front -bras would carry, hand open palm flat, a round-trip sweep gaucbe / right to end with a return of the upper limb to its current position on the steering wheel or the gear lever or rest on an armrest.
    In the foregoing, the lighting and extinction of the lighting modules has been linked to the detection of gestural sequences. It will be understood that the gestural recognition is only applied to generate instructions for modifying the beam emitted by the lighting modules, in light intensity and / or in orientation, and that the ignition and extinguishing operations are carried out by a driver action on a command button, the acquisition of images in the detection zone 15 starting only when the command button is pressed.
    Depending on the positioning of the lighting modules in the cabin other combinations of gestural sequences can be envisaged. For example, a diagonal and / or horizontal movement sequence may be linked to the activation of front and / or rear side lighting modules and / or to the orientation of the light beam projected by each of the lighting modules. . All of these combinations constitute the reference gesture sequences on the basis of which the control module 7 will analyze and compare the representative data 12 of the gesture sequences 11 executed by the driver. These reference sequences are preferably learned and reproduced by the driver in order to activate and control a lighting module 2. The acquisition and storage of any new reference sequence, developed by the driver him even by the gesture recognition control device 1, in particular by the control module 7 "is also possible.
    The control method according to the invention has been explained above, and reference will be made to the figure to detail it in other words. The control method is based on the interdependence existing between a plurality of gesture sequences 11, a plurality of active detection zones 15 and a plurality of functions for activating the lighting of the passenger compartment as well as on the connection and the communication of the components of the gesture recognition control device 1 between them.
    According to the main and preferred embodiment of the invention, the method firstly comprises a detection step (a), in a detection zone 15 of the passenger compartment, of an initiation of a gestural sequence 11 carried out by all or part of the body of at least one occupant of the vehicle, this detection being performed by the gesture sequence detection and capture module 3, preferably by the detection means 4 · This detection step is followed by a step of capturing and recording (b) 2D and / or 3D images of said gesture sequence 11 performed by the gesture sequence detection and capture module 3 "preferably by the image acquisition means 5, then a generation step (c) of representative data 12 of said gesture sequence 11 by the gesture sequence detection and capture module 3, preferably by associated image processing means by means of The said representative data 12 constitute data defining mono, bi or three-dimensional geometrical shapes and / or data representing at least one position or trajectory in an active detection zone, for example a dot or point cloud. .
    Communication is then carried out between the gesture sequence detection and capture module and the control module 7 "by a step of transmitting (d) said representative data 12 to the control module 7, which then generates various successive steps, among which: a step of analyzing said data relating to the mono, bi or three-dimensional geometrical shape and / or to the position and / or trajectory of said gesture sequence, a comparison step; ) said data relating to said recorded gesture sequence to at least one reference gesture sequence stored in a database, - a step for determining (g) whether the trigger threshold conditions of a lighting function are reached.
    If the trip threshold conditions are reached, it is possible to provide simultaneously, or with a slight time shift, a transmission (h) and execution (i) step of at least one ignition command 13 and / or extinguishing and / or varying the light intensity and / or orientation of the beam to be emitted to at least one lighting module 2 integrated in the cabin of the vehicle, and a transmission step (h) and execution (j) at least one display instruction 14 by means of display 6, in order to inform the occupants of the vehicle of the content of the modification made on the emitted light beam.
    In addition, the control method may comprise a learning step (k) of at least one new reference gesture sequence.
    权利要求:
    Claims (14)
    [1" id="c-fr-0001]
    1. Control device for interior lighting of a motor vehicle comprising at least one lighting module (2) capable of emitting a light beam into the passenger compartment, characterized in that it comprises at least detection means ( 3, 4 "5) of a plurality of gestures of a vehicle occupant forming a determined sequence triggering the control of said interior lighting module (2).
    [2" id="c-fr-0002]
    2. Device according to claim 1, characterized in that it comprises: a gesture sequence detection and capture module (3) adapted to detect, capture and record a gestural sequence (II) of a vehicle occupant in a active detection zone (15) of the cabin and able to analyze this sequence to transmit representative data (12) of said gesture sequence (II), a control module (7), connected to said detection and capture module of gesture sequence (3), adapted to receive the representative data (12) of said recorded gesture sequence (II), to compare them with at least one reference gestural sequence and to determine whether the threshold threshold conditions for a function of lighting are achieved, said control module (7) being configured to generate and transmit at least one instruction (13) for switching on and / or off and / or dimming the light intensity and / o u orientation of a beam emitted by the at least one lighting module (2).
    [3" id="c-fr-0003]
    3- Device according to claim 2, characterized in that the gesture sequence (il) is defined by its vertical orientation and / or horizontal and / or diagonal and its execution speed.
    [4" id="c-fr-0004]
    4. Device according to one of claims 2 or 3, characterized in that the active detection zone (15) extends along the central axis of the passenger compartment of the vehicle.
    [5" id="c-fr-0005]
    5- Device according to any one of claims 2 to 4, characterized in that the gesture sequence detection and capture module (3) consists of at least one gesture sequence detection means (4) and / or at least one image acquisition means (5).
    [6" id="c-fr-0006]
    6. Device according to the preceding claim, characterized in that the gesture sequence detection and capture module (3) comprises a single image acquisition means (5).
    [7" id="c-fr-0007]
    7- Device according to claim 5, characterized in that the gesture sequence detection and capture module (3) comprises a plurality of image acquisition means (5).
    [8" id="c-fr-0008]
    8. Device according to any one of claims 5 to 7, characterized in that the gesture sequence detection means (4) consists of at least one infra-red type sensor and / or ultrasonic type and / or radar type.
    [9" id="c-fr-0009]
    9- Device according to any one of claims 5 to 8, characterized in that the image acquisition means (5) consists of one or more camera (s) and / or camera (s) photos.
    [10" id="c-fr-0010]
    10. Device according to any one of claims 2 to 9> characterized in that the representative data (12) of the gesture sequence define mono, bi or three-dimensional geometric shapes and / or positions and / or trajectories.
    [11" id="c-fr-0011]
    11. A method of controlling the interior lighting of a vehicle, during which one carries out successively, following the execution of at least one gestural sequence (II) of at least one occupant of the vehicle in a detection zone (15) of the passenger compartment: a step of capturing and recording (b) 2D and / or 3D images of said gesture sequence (il), a step of analyzing (c) images to generate representative data (l2) of said gesture sequence (II), a step of transmitting (d) said representative data (12) to at least one control module (7), a step of analyzing (e) said relative data (12) to the mono, bi or three-dimensional geometric shape and / or the position and / or trajectory of said gestural sequence (11). a step of comparing (g) said data relating to said recorded gesture sequence to at least one reference gesture sequence stored in a database, a step for determining (h) whether the threshold conditions for triggering a function of lighting are achieved, a step of transmission (i) and execution (j) of at least one instruction (13) for switching on and / or extinguishing and / or varying the light intensity of a beam bright emitted in the cockpit.
    [12" id="c-fr-0012]
    12. Control method according to the preceding claim, characterized in that it comprises a learning step (k) of at least one new reference gesture sequence.
    [0013]
    13 · Control method according to one of claims 11 or 12, characterized in that it implements in the analysis step (c) a gesture sequence detection means (4) and a means of acquisition of images (5) distinct and capable of interacting with each other, said image acquisition means being implemented only when the detection means has detected the initiation of a gesture that can initiate a gestural sequence.
    [0014]
    14 · A control method according to one of claims 11 or 12, characterized in that it implements in the analysis step (c) an image acquisition means which continuously retrieves images targeted at the detection area (15) ·
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    同族专利:
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    法律状态:
    2017-03-31| PLFP| Fee payment|Year of fee payment: 2 |
    2017-09-22| PLSC| Publication of the preliminary search report|Effective date: 20170922 |
    2018-03-29| PLFP| Fee payment|Year of fee payment: 3 |
    2019-03-29| PLFP| Fee payment|Year of fee payment: 4 |
    2020-03-31| PLFP| Fee payment|Year of fee payment: 5 |
    2021-03-30| PLFP| Fee payment|Year of fee payment: 6 |
    优先权:
    申请号 | 申请日 | 专利标题
    FR1652408A|FR3048933B1|2016-03-21|2016-03-21|DEVICE FOR CONTROLLING INTERIOR LIGHTING OF A MOTOR VEHICLE|
    FR1652408|2016-03-21|FR1652408A| FR3048933B1|2016-03-21|2016-03-21|DEVICE FOR CONTROLLING INTERIOR LIGHTING OF A MOTOR VEHICLE|
    EP17160889.6A| EP3222466A1|2016-03-21|2017-03-14|Device for controlling the interior lighting of a motor vehicle|
    JP2017052290A| JP2017185994A|2016-03-21|2017-03-17|Device for controlling interior lighting of motor vehicle|
    CN201710167887.7A| CN107215269A|2016-03-21|2017-03-20|For the device for the interior lighting for controlling motor vehicles|
    US15/464,847| US10093227B2|2016-03-21|2017-03-21|Device for controlling the interior lighting of a motor vehicle|
    US16/123,931| US10464478B2|2016-03-21|2018-09-06|Device for controlling the interior lighting of a motor vehicle|
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