CN111694424A - System and method for awakening vehicle-mounted intelligent voice function - Google Patents
System and method for awakening vehicle-mounted intelligent voice function Download PDFInfo
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- CN111694424A CN111694424A CN202010309995.5A CN202010309995A CN111694424A CN 111694424 A CN111694424 A CN 111694424A CN 202010309995 A CN202010309995 A CN 202010309995A CN 111694424 A CN111694424 A CN 111694424A
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- 230000002618 waking effect Effects 0.000 claims description 44
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- 238000005516 engineering process Methods 0.000 description 5
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- 230000002452 interceptive effect Effects 0.000 description 4
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
- G06F3/013—Eye tracking input arrangements
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
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Abstract
The invention discloses a system for awakening a vehicle-mounted intelligent voice function, which comprises an eyeball tracking assembly, an image processing assembly and a voice recognition assembly, wherein the eyeball tracking assembly comprises an image acquisition module and an image processing module, the image acquisition module acquires an eyeball image of a user, and the image processing module is in data connection with the image acquisition module so as to acquire a fixation point coordinate of the sight of the user based on the eyeball image of the user transmitted by the image acquisition module; a set target area located within a cabin of the vehicle; the intelligent voice module is in data connection with the vehicle-mounted device and is configured to perform voice interaction with a user; and the control module is in data connection with the eyeball tracking assembly and the intelligent voice module respectively, wherein when the coordinates of the gaze point of the user are in the target area for a preset time period, the control module wakes up the intelligent voice module. In addition, the invention also discloses a method for awakening the vehicle-mounted intelligent voice function, which can realize the awakening of the vehicle-mounted voice function in a non-invasive manner.
Description
Technical Field
The invention relates to a vehicle-mounted system and a method, in particular to a system and a method for awakening a vehicle-mounted intelligent function.
Background
With the rapid development of the automobile industry and the rapid improvement of the technology level, the technology demand of the user on the automobile is higher and higher. In developing and designing vehicle models, many manufacturers incorporate intelligent functions that are convenient for users to use and operate, such as on-board intelligent voice functions.
In an automobile intelligent cabin, vehicle-mounted intelligent voice interaction is an important human-vehicle interaction mode, and high-efficiency human-computer interaction can be realized by utilizing the voice interaction. However, before the user interacts with the car machine voice, the vehicle-mounted intelligent voice function must be actively awakened, and the process that the user actively uses the voice to awaken the intelligent voice function is an intrusive human-computer interaction process, which is a cycle of firstly actively inputting by the user and then passively feeding back by the machine, so that the user experience is poor, and due to the factors of technology and cost, numerous problems of inaccurate voice awakening positioning, low awakening word recognition accuracy, mistaken awakening and the like exist.
Although the intelligent voice system can realize diversification and individuation of the awakening words along with the development of the intelligent voice interaction technology, the awakening of the intelligent voice system through voice is always an intrusive human-computer interaction process, and still has a plurality of problems.
In view of this, it is desirable to obtain a non-intrusive interactive manner to achieve voice wake-up, i.e. without requiring the user to actively wake up the vehicle-mounted smart voice function through a voice wake-up word.
Disclosure of Invention
The invention aims to provide a system for awakening a vehicle-mounted intelligent voice function, which can realize voice awakening in a non-invasive interactive mode, and can realize more natural and efficient awakening of the vehicle-mounted intelligent voice function directly through eyeball tracking without actively speaking voice awakening words, so that the vehicle-mounted human-computer interaction experience is greatly improved.
In order to achieve the above object, the present invention provides a system for waking up an intelligent voice function in a vehicle, comprising:
the eyeball tracking assembly comprises an image acquisition module and an image processing module, wherein the image acquisition module acquires an eyeball image of a user, and the image processing module is in data connection with the image acquisition module so as to acquire a sight fixation point coordinate of the user based on the eyeball image of the user transmitted by the image acquisition module;
a set target area located within a cabin of the vehicle;
the intelligent voice module is in data connection with the car machine and is configured to perform voice interaction with a user;
and the control module is in data connection with the eyeball tracking assembly and the intelligent voice module respectively, wherein when the coordinates of the sight point of the user are in the target area for a preset time period, the control module wakes up the intelligent voice module.
In the above scheme of the present invention, the inventor creatively designs a system for waking up an intelligent voice function of a vehicle, the system can realize voice wake-up through a non-invasive interactive mode, the context awareness capability is given to the system based on a computer vision technology, and a user can wake up the intelligent voice function of the vehicle more naturally and efficiently through eyeball tracking without actively speaking a voice wake-up word.
Further, the system for waking up the vehicle-mounted intelligent voice function further comprises a vehicle-mounted machine screen, and the target area is located on the vehicle-mounted machine screen.
In the technical scheme of the invention, the screen of the vehicle-mounted device can be used for displaying the operation menu related to the vehicle.
Further, in the system for waking up the vehicle-mounted intelligent voice function of the present invention, the target area is located on a non-physical space in the cockpit.
Further, in the system for waking up the vehicle-mounted intelligent voice function, the image acquisition module comprises an infrared image imager and an infrared light source.
Further, in the system for waking up the vehicle-mounted intelligent voice function, provided by the invention, the visual angle range of the infrared image imager in the vertical direction is more than or equal to 40 degrees, and/or the visual angle range of the infrared image imager in the horizontal direction is more than or equal to 60 degrees.
Further, the system for waking up the vehicle-mounted intelligent voice function further comprises a holographic module connected with the control module, wherein when the coordinates of the gaze point of the user fall within the target area for a preset time period, the control module further activates the holographic module to display a human-computer interaction image in a holographic display mode.
In the technical scheme of the invention, when the coordinates of the gaze point of the user are in the target area for a preset time period, the control module activates the holographic module, and the holographic module can display a human-computer interaction image in a holographic display mode, thereby playing a role of human-computer interaction visual assistance.
Accordingly, another objective of the present invention is to provide a method for waking up a vehicle-mounted intelligent voice function, which realizes the waking up of the vehicle-mounted intelligent voice function in a non-invasive manner, and a user can wake up the vehicle-mounted intelligent voice function directly through eyeball tracking without actively speaking a voice wake-up word.
In order to achieve the above object, the present invention provides a method for waking up a vehicle-mounted intelligent voice function, comprising the steps of:
acquiring an eyeball image of a user, and acquiring a sight fixation point coordinate of the user based on the eyeball image of the user;
and when the fact that the coordinates of the sight point of the user are in the set target area and continue for the preset time period is detected, waking up the vehicle-mounted intelligent voice module.
Further, in the method for waking up the vehicle-mounted intelligent voice function according to the present invention, the method further includes the steps of: and when the user sight line fixation point coordinate is in the target area and lasts for a preset time period, activating the holographic module to display a man-machine interaction image in a holographic display mode.
Further, in the method for waking up the vehicle-mounted intelligent voice function of the present invention, the preset time period is 100 and 200 ms.
Further, in the method for waking up the vehicle-mounted intelligent voice function according to the present invention, the target area is located on a non-physical space or a physical object in the cockpit.
Further, in the method for waking up the vehicle-mounted intelligent voice function of the present invention, the physical object includes a vehicle-mounted machine screen, and the target area is located on the vehicle-mounted machine screen; wherein the method further comprises the steps of: and when the user sight line fixation point coordinate is in the target area and lasts for a preset time period, waking up the backlight of the vehicle-mounted device screen.
In the above scheme, the target area is located on the car machine screen, when the user sight gaze point coordinate falls in the target area and lasts for the preset time period, the backlight of the car machine screen is awakened, and the problem that when the car machine screen backlight is in a dark environment, the vehicle-mounted human-computer interaction experience is affected can be effectively avoided.
Compared with the prior art, the system and the method for awakening the vehicle-mounted intelligent voice function have the advantages and beneficial effects as follows:
the invention creatively provides a system and a method for awakening the vehicle-mounted intelligent voice function in a non-invasive manner, so that a user can awaken the vehicle-mounted intelligent voice function more naturally and efficiently directly through eyeball tracking without actively speaking voice awakening words, and the vehicle-mounted human-computer interaction experience is greatly improved.
Drawings
Fig. 1 schematically shows a system structure diagram of a system for waking up an onboard intelligent voice function according to an embodiment of the present invention.
Fig. 2 is a schematic flow chart illustrating steps of a method for waking up an intelligent voice function in a vehicle according to an embodiment of the present invention.
Detailed Description
The system and method for waking up an intelligent voice function in a vehicle according to the present invention will be further explained and explained with reference to the drawings and the specific embodiments, which, however, should not be construed as unduly limiting the technical solution of the present invention.
Fig. 1 schematically shows a system structure diagram of a system for waking up an onboard intelligent voice function according to an embodiment of the present invention.
As shown in fig. 1, in this embodiment, the system for waking up the onboard smart voice function according to the present invention may include an eye tracking component, a control module 30, a smart voice module 40, a holographic module 50, and a car screen 60. The eyeball tracking assembly can comprise an image acquisition module 10 and an image processing module 20, the image processing module 20 can be in data connection with the image acquisition module 10 to realize data transmission, the image acquisition module 10 in the eyeball tracking assembly can acquire an eyeball image of a user, and the image processing module 20 can acquire a fixation point coordinate of a sight of the user based on the eyeball image of the user transmitted by the image acquisition module 10. The intelligent voice module 40 is in data connection with the car machine, and the intelligent voice module 40 can perform voice interaction with a user. The control module 30 may be in data communication with the eye tracking assembly and the smart voice module 40 and the holographic module 50, respectively.
In addition, the system for waking up the vehicle-mounted intelligent voice function further comprises a set target area arranged in a cab of the vehicle, and the target area can be positioned on a non-physical space in the automobile cab or a physical space in the automobile cab. In this embodiment, the target area may be located on the in-vehicle screen 60, and the in-vehicle screen 60 may be used to display a vehicle-related operation menu.
In the system for waking up the vehicle-mounted intelligent voice function, the control module 30 can realize the mapping between the coordinates of the gaze point of the user and the spatial coordinate points of the target area, and complete the calibration of the three-dimensional spatial coordinate points of the target area. The control module 30 may obtain the user eye interaction information according to the spatial coordinate points mapped to the target area by the user gaze fixation point coordinates transmitted by the image processing module 20. When the user gaze point coordinates fall at a point within the target area for a period of time (i.e., a preset period of time), the control module 30 may activate the smart voice module 40, the smart voice module 40 may first issue a voice greeting, and the user may then begin voice interaction with the smart voice module 40. In this embodiment, the control module 30 may also activate the holographic module 50 at the same time, and after the holographic module 50 is activated, the man-machine interaction image may be displayed in a holographic display mode, so as to play a role in assisting the man-machine interaction vision.
It should be noted that, in the system for waking up the vehicle-mounted intelligent voice function according to the present invention, in the eyeball tracking component, the image acquisition module 10 may include an infrared image imager and an infrared light source, and the light source of the infrared light may be 940 nm. Wherein, the visual angle range of the infrared image imager in the vertical direction is more than or equal to 40 degrees, and the visual angle range of the infrared image imager in the horizontal direction is more than or equal to 60 degrees.
Therefore, for the system for waking up the vehicle-mounted intelligent voice function, which is provided by the invention, the system comprises an eyeball tracking component, a set target area, an intelligent voice module and a control module, so that the purpose of the invention can be realized.
Fig. 2 is a schematic flow chart illustrating steps of a method for waking up an intelligent voice function in a vehicle according to an embodiment of the present invention.
As shown in fig. 2, in this embodiment, the method for waking up the onboard smart voice function according to the present invention may include the following steps:
acquiring an eyeball image of a user, and acquiring a sight fixation point coordinate of the user based on the eyeball image of the user;
and when detecting that the coordinates of the sight point of the user fall in the set target area and continue for a preset time period, waking up the vehicle-mounted intelligent voice module.
The method for waking up the vehicle-mounted intelligent voice function can achieve the purpose of the invention through the steps, however, the technical scheme has a better implementation effect so as to improve the vehicle-mounted human-computer interaction experience of the user. Preferably, the method for waking up the vehicle-mounted intelligent voice function of the present invention may further include the steps of:
and when the coordinates of the gaze point of the user fall within the target area and continue for a preset time period, activating the holographic module to display the human-computer interaction image in a holographic display mode.
It should be noted that, in the embodiment, in the method for waking up the vehicle-mounted intelligent voice function according to the present invention, the preset time period may be 100 and 200 ms.
In addition, it should be noted that, in the method for waking up the vehicle-mounted intelligent voice function according to the present invention, the target area may be located on a non-physical space or a physical object in the cockpit, and no matter where the target area is located in the cockpit, when the gaze point coordinate of the user is located in the target area and lasts for a preset time period, the vehicle-mounted intelligent voice module can be correspondingly woken up. The target area may be located on a physical object in the cockpit, such as a car screen, and also on a steering wheel, for example. In addition, in some embodiments, when the user sight gaze point coordinate falls in the target area on the car screen and lasts for a preset time period, the backlight of the car screen can be awakened, and the problem that the vehicle-mounted human-computer interaction experience is affected when the backlight of the car screen is in a dark environment can be effectively avoided by the embodiment.
In conclusion, the system for waking up the vehicle-mounted intelligent voice function can realize voice wake-up in a non-invasive interactive mode, a user does not need to actively speak the voice wake-up word, the vehicle-mounted intelligent voice function can be waken up more naturally and efficiently directly through eyeball tracking, and vehicle-mounted human-computer interaction experience is greatly improved.
In addition, the method for awakening the vehicle-mounted intelligent voice function also has the advantages and beneficial effects.
It should be noted that the prior art in the protection scope of the present invention is not limited to the examples given in the present application, and all the prior art which is not inconsistent with the technical scheme of the present invention, including but not limited to the prior patent documents, the prior publications and the like, can be included in the protection scope of the present invention.
In addition, the combination of the features in the present application is not limited to the combination described in the claims of the present application or the combination described in the embodiments, and all the features described in the present application may be freely combined or combined in any manner unless contradictory to each other.
It should also be noted that the above-mentioned embodiments are only specific embodiments of the present invention. It is apparent that the present invention is not limited to the above embodiments and similar changes or modifications can be easily made by those skilled in the art from the disclosure of the present invention and shall fall within the scope of the present invention.
Claims (11)
1. A system for waking up an on-vehicle intelligent voice function, comprising:
the eyeball tracking assembly comprises an image acquisition module and an image processing module, wherein the image acquisition module acquires an eyeball image of a user, and the image processing module is in data connection with the image acquisition module so as to acquire a sight fixation point coordinate of the user based on the eyeball image of the user transmitted by the image acquisition module;
a set target area located within a cabin of the vehicle;
the intelligent voice module is in data connection with the car machine and is configured to perform voice interaction with a user;
and the control module is in data connection with the eyeball tracking assembly and the intelligent voice module respectively, wherein when the coordinates of the sight point of the user are in the target area for a preset time period, the control module wakes up the intelligent voice module.
2. A system for waking up an intelligent voice function in a vehicle as recited in claim 1, further comprising a screen of the vehicle, wherein the target area is located on the screen of the vehicle.
3. A system for waking up an in-vehicle smart voice function as recited in claim 1, wherein the target area is located on a non-physical space within a cockpit.
4. A system to wake up an intelligent voice function on-board a vehicle as claimed in claim 1, wherein the image acquisition module comprises an infrared image imager and an infrared light source.
5. A system for waking up an intelligent voice function in a vehicle as claimed in claim 4, wherein the viewing angle range of the infrared image imager in the vertical direction is greater than or equal to 40 °, and/or the viewing angle range of the infrared image imager in the horizontal direction is greater than or equal to 60 °.
6. A system for waking up an in-vehicle smart voice function as claimed in claim 1, further comprising a holographic module connected to said control module, wherein said control module further activates said holographic module to display a human-computer interaction image in a form of a holographic display when said user's gaze point coordinates fall within said target area for a preset period of time.
7. A method for waking up an on-vehicle intelligent voice function is characterized by comprising the following steps:
acquiring an eyeball image of a user, and acquiring a sight fixation point coordinate of the user based on the eyeball image of the user;
and when the fact that the coordinates of the sight point of the user are in the set target area and continue for the preset time period is detected, waking up the vehicle-mounted intelligent voice module.
8. The method for waking up an in-vehicle smart voice function as recited in claim 7, further comprising the steps of: and when the user sight line fixation point coordinate is in the target area and lasts for a preset time period, activating the holographic module to display a man-machine interaction image in a holographic display mode.
9. The method as claimed in claim 7, wherein the predetermined time period is 100 and 200 ms.
10. A method of waking up an in-vehicle smart voice function as claimed in claim 7, wherein the target area is located on a non-physical space or on a physical object within the cockpit.
11. A method for waking up an intelligent voice function in a vehicle as recited in claim 10, wherein the physical object comprises a screen of the vehicle, and the target area is located on the screen of the vehicle; wherein the method further comprises the steps of: and when the user sight line fixation point coordinate is in the target area and lasts for a preset time period, waking up the backlight of the vehicle-mounted device screen.
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| CN202010309995.5A CN111694424A (en) | 2020-04-20 | 2020-04-20 | System and method for awakening vehicle-mounted intelligent voice function |
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