CN106705987B - Vehicle-mounted double-vision navigation method - Google Patents
Vehicle-mounted double-vision navigation method Download PDFInfo
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- CN106705987B CN106705987B CN201611235073.4A CN201611235073A CN106705987B CN 106705987 B CN106705987 B CN 106705987B CN 201611235073 A CN201611235073 A CN 201611235073A CN 106705987 B CN106705987 B CN 106705987B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/34—Route searching; Route guidance
- G01C21/36—Input/output arrangements for on-board computers
- G01C21/3688—Systems comprising multiple parts or multiple output devices (not client-server), e.g. detachable faceplates, key fobs or multiple output screens
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Abstract
The invention relates to a vehicle-mounted double-vision navigation method which comprises the steps of directory confirmation operation, key confirmation operation and comprehensive judgment. This patent can assist the driver to carry out key input, avoids driver's hand to leave from the steering wheel far away or for a long time.
Description
Technical Field
The invention relates to a navigation method, in particular to a vehicle-mounted double-vision navigation method.
Background
The vehicle-mounted navigation is a vehicle-mounted electronic technology integrating DVD playing and GPS navigation, which enables drivers and passengers to enjoy high-quality music and videos, and also can master own directions and compile optimal driving routes by receiving satellite signals and inquiring electronic map data.
With the increase of the demand of users, a plurality of functional keys are added on the vehicle-mounted navigation system, and because the space at the position of a display screen is limited, the prior art provides the vehicle-mounted navigation system with a touch screen, and more functional keys are provided for the users in the limited space through the touch screen with the page turning function; however, this technique has the following technical drawbacks:
the display screen in the existing vehicle navigation system is usually installed in a box body below a front windshield, the distance between the display screen and a steering wheel is 30-55 cm, a user is mostly driving when using the vehicle navigation system, both hands are on the steering wheel, if one hand is paid to touch the display screen, the one hand needs to move for 30-55 cm to complete touch operation, and then the one hand moves for 30-55 cm to complete hand reset, so that inconvenience is brought to the user. Moreover, the user needs to perform the touch selection operation for multiple times to press the desired function key, which may cause the driver to hold the keyboard with one hand for a long time and generate certain potential safety hazard.
Disclosure of Invention
The invention aims to provide a vehicle-mounted double-vision navigation method which can assist a driver to perform key input and prevent the driver from leaving a steering wheel for a long distance or for a long time.
In order to achieve the purpose, the invention provides the following technical scheme: the vehicle-mounted double-vision navigation method is used for assisting a navigation system to carry out key input, the navigation system comprises a vehicle-mounted MCU for information processing, and the vehicle-mounted double-vision navigation method comprises the steps of directory confirmation operation, key confirmation operation and comprehensive judgment;
wherein the directory validation operation comprises:
projecting images to a steering wheel, wherein the images comprise key directory images projected to a rim of the steering wheel and key images projected to spokes of the steering wheel, and the key directory images and a group of key images corresponding to the contents of the key directory images are located at the same radial position of the steering wheel; the spoke comprises an inherent spoke fixed in the rim and an additional radial spoke rotatably connected in the rim;
a shooting step, wherein image information at the steering wheel is collected;
an image identification step, namely identifying a key directory image pointed by a radial spoke in the image information, and converting the identified key directory image into digital information; each key directory image is provided with a number corresponding to the key directory image, and the digital information is number information corresponding to the key directory image;
the key confirmation operation includes:
a sounding step, wherein a group of sounding keys are arranged on the radial spoke, and a driver presses any sounding key according to the requirement; the distribution positions of the group of sound-emitting keys on the radial spoke correspond to the distribution positions of the group of key images on the radial spoke; the key sound corresponding to each sounding key is different, and each sounding key band is provided with a respective number;
a voice recognition step, namely recognizing corresponding sounding keys and the number information thereof according to the key voice through a voice recognition module;
the comprehensive judgment step is to combine the key directory image and the sounding key number information into a key command number, the key command number corresponds to the specific function keys one by one, the comprehensive judgment step also comprises sending the key command number to a vehicle-mounted MCU, and the vehicle-mounted MCU is prestored with a corresponding relation table of the key command number and the function keys.
The invention is called a vehicle-mounted double-vision navigation method, which utilizes two observation angles of image and sound to navigate, so the method is called double-vision navigation.
The technical scheme adopted by the invention has the following technical effects:
1. obtaining catalog information by an image acquisition method, and obtaining key numbers under corresponding catalogs by an acoustic acquisition method, thereby finally forming key command numbers capable of confirming specific function keys; the method for confirming the key numbers under the corresponding directories by adopting the acoustic detection method is characterized in that the distribution space of the key images is small (the area of radial spokes cannot be too large), and the images are shielded when the fingers press the keys, so that the images are not convenient to collect and identify, the numbers of the sounding keys corresponding to the positions of the key images are identified by sound, and the key numbers under the corresponding directories are indirectly confirmed; the voice recognition module is internally preset with a corresponding relation table of the voice and the serial number thereof.
2. No matter rotate radial spoke on the steering wheel or press the trigger sound key on radial spoke, whole process both hands are all in steering wheel department, and because the distance is nearer, whole operation process all can be realized through the finger, does not need the palm to leave the steering wheel, has improved the security of driving.
Furthermore, the sounding key is a spring button used for sending a switch signal, and a voice circuit module electrically connected with the spring button is further arranged in the radial spoke.
Different sounding keys such as a horn key, a buzzing key and the like can be adopted, but a plurality of obviously different sounding keys are manufactured in a physical vibration mode, so that the cost is higher, and the prior art is adopted, and the voice circuit module receives switch signals of different ports, so that different sounds are generated.
Further, the overall outline of all the key images is a hollow ring shape.
If the radial spoke is required to rotate by a specific angle, the image is projected on the radial spoke, so that the projection step is required to have a dynamic image tracking function, and the improvement cost is certainly increased; the invention directly projects all key images in the annular space in the rim of the steering wheel, and the overall outline of the key images is hollow annular, which just can fully occupy the annular space in the rim of the steering wheel. Although full, if the light path is not obscured by the spokes, the image will only appear under the steering wheel and will not be substantially visible to the driver, and only the portion obscured by the spokes will show an image that is clearly visible to the driver.
Further, projection lamps are adopted for projection in the projection step, and lamp caps of the projection lamps are arranged on two sides of the top of the driving seat.
In order to avoid the shielding of the head of a driver, the lamp caps of the projection lamps are specially arranged on two sides of the top of the driving seat, and light projected from the position passes by the neck of a person and then is projected onto a steering wheel.
Further, in the shooting step, a camera is adopted for shooting, and the camera is installed on the roof of the cab.
Furthermore, red punctuations corresponding to the sounding key positions are arranged on the radial spokes.
The red punctuation is set to enhance the position significance of the sounding key and avoid the driver pressing wrongly.
Drawings
Fig. 1 is a schematic structural view of a steering wheel according to the present invention;
FIG. 2 is a schematic view of a projected image according to the present invention;
fig. 3 is a schematic view of an image projected onto a steering wheel according to the present invention.
Detailed Description
The present invention will be described in further detail below by way of specific embodiments:
the vehicle-mounted double-view navigation method is used for assisting a navigation system to perform key input, the navigation system comprises a vehicle-mounted MCU for information processing, and a steering wheel of a vehicle applicable to the method must meet the following conditions: the steering wheel (shown in figure 1) comprises a rim 2, spokes and a support frame, wherein the spokes comprise inherent spokes fixed between the rim and the support frame and additional radial spokes 1 rotatably connected in the rim; as is known, the prior art is related to the rim and the inherent spokes, and the supporting frame for supporting the spokes (i.e. the supporting shaft of the steering wheel on which the steering wheel is to rotate) is also related to the prior art, in other words, the improvement of the prior steering wheel is to add the radial spokes, and the radial spokes are rotatably connected to the supporting frame (i.e. the supporting shaft), and the inherent spokes are fixed on the supporting frame, i.e. the radial spokes can rotate relative to each other on the premise that the inherent spokes are not fixed.
The vehicle-mounted double-vision navigation method comprises the steps of directory confirmation operation, key confirmation operation and comprehensive judgment;
wherein the directory validation operation comprises:
projecting images to a steering wheel, wherein the images comprise key directory images projected to a rim of the steering wheel and key images 5 projected to spokes of the steering wheel, and the key directory images 4 and a group of key images corresponding to the contents of the key directory images are located at the same radial position of the steering wheel; the spoke comprises an inherent spoke fixed in the rim and an additional radial spoke rotatably connected in the rim; as shown in fig. 2, the overall outline of all the key images is a hollow ring, in which there is no text part, and the image belongs to the edge part of the image, i.e. only the part where the projection light has no specific text (in fig. 2 and 3, the text content is omitted). The projection step adopts projection lamps to perform projection, lamp caps of the projection lamps are arranged on two sides of the top of the driving seat, the two sides of the projection lamps can be provided with the projection lamp caps, one projection key directory image and the other projection key image can be selected as a positioning position, and only one projection lamp cap is used for projection.
A shooting step, in which a camera is adopted to collect image information at a steering wheel, and as shown in fig. 3, the image comprises all key directory images and part of key images shielded by radial spokes; for the purpose of optimum design, the image projected onto the intrinsic spoke has no specific content, but only the edge portion of the key image. The camera is installed on the roof of the cab.
An image identification step, which is used for identifying the key directory image pointed by the radial spoke in the image information and converting the identified key directory image into digital information; each key directory image is provided with a number corresponding to the key directory image, and the digital information is number information corresponding to the key directory image;
the key confirmation operation includes:
a sounding step, in which a group of sounding keys are arranged on the radial spoke, a driver presses and touches any one of the sounding keys according to needs (as shown in fig. 1 and 3, the needs refer to needs for function keys), and the distribution positions of the group of sounding keys on the radial spoke correspond to the distribution positions of the group of key images on the radial spoke; the key sound corresponding to each sounding key is different, and each sounding key band is provided with a respective number; the sounding key is a spring button used for sending a switch signal, and the sounding step further comprises a voice circuit module electrically connected with the spring button. And red punctuations 3 corresponding to the sounding key positions are arranged on the radial spokes.
A voice recognition step, namely recognizing corresponding sounding keys and the number information thereof according to the key voice through a voice recognition module; the speech recognition module is pre-stored with a corresponding relation table between the sound and the number.
The comprehensive judgment step is used for combining the key directory image and the sounding key number information into a key command number, the key command number corresponds to the specific function keys one by one, the comprehensive judgment step is also used for sending the key command number to the vehicle-mounted MCU, and the vehicle-mounted MCU is prestored with a corresponding relation table of the key command number and the function keys.
The foregoing is merely an example of the present invention and common general knowledge of known specific structures and features of the embodiments is not described herein in any greater detail. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (5)
1. The vehicle-mounted double-vision navigation method is used for assisting a navigation system to carry out key input, the navigation system comprises a vehicle-mounted MCU for information processing, and the vehicle-mounted double-vision navigation method is characterized by comprising the steps of directory confirmation operation, key confirmation operation and comprehensive judgment;
wherein the directory validation operation comprises:
projecting images to a steering wheel, wherein the images comprise key directory images projected to a rim of the steering wheel and key images projected to spokes of the steering wheel, and the key directory images and a group of key images corresponding to the contents of the key directory images are located at the same radial position of the steering wheel; the spoke comprises an inherent spoke fixed in the rim and an additional radial spoke rotatably connected in the rim;
a shooting step, wherein image information at the steering wheel is collected;
an image identification step, namely identifying a key directory image pointed by a radial spoke in the image information, and converting the identified key directory image into digital information; each key directory image is provided with a number corresponding to the key directory image, and the digital information is number information corresponding to the key directory image;
the key confirmation operation includes:
a sounding step, wherein a group of sounding keys are arranged on the radial spoke, and a driver presses any sounding key according to the requirement; the distribution positions of the group of sound-emitting keys on the radial spoke correspond to the distribution positions of the group of key images on the radial spoke; the key sound corresponding to each sounding key is different, and each sounding key band is provided with a respective number;
a voice recognition step, namely recognizing corresponding sounding keys and the number information thereof according to the key voice through a voice recognition module;
the comprehensive judgment step is to combine the key directory image and the sounding key number information into a key command number, the key command number corresponds to the specific function keys one by one, the comprehensive judgment step also comprises the step of sending the key command number to a vehicle-mounted MCU, and the vehicle-mounted MCU is prestored with a corresponding relation table of the key command number and the function keys; the overall outline of all the key images is a hollow ring; projecting all key images in an annular space in a rim of a steering wheel;
the double-view navigation is to use two observation angles of image and sound to navigate.
2. The vehicle-mounted double-vision navigation method of claim 1, characterized in that the sounding key is a spring button for sending a switch signal, and a voice circuit module electrically connected with the spring button is further arranged in the radial spoke.
3. The vehicle-mounted dual-view navigation method according to claim 1, wherein in the projecting step, projection is performed by using projection lamps, and lamp caps of the projection lamps are arranged on two sides of the top of the driving seat.
4. The vehicle-mounted dual view navigation method according to claim 1, wherein said step of taking a picture uses a camera mounted on a roof of the cab.
5. The vehicle-mounted double-vision navigation method of claim 1, wherein red punctuations corresponding to the positions of the sounding keys are arranged on radial spokes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235073.4A CN106705987B (en) | 2016-12-28 | 2016-12-28 | Vehicle-mounted double-vision navigation method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611235073.4A CN106705987B (en) | 2016-12-28 | 2016-12-28 | Vehicle-mounted double-vision navigation method |
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| Publication Number | Publication Date |
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| CN106705987A CN106705987A (en) | 2017-05-24 |
| CN106705987B true CN106705987B (en) | 2020-04-28 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2003078930A1 (en) * | 2002-03-15 | 2003-09-25 | Mitsubishi Denki Kabushiki Kaisha | Vehicular navigation device |
| US20120287050A1 (en) * | 2011-05-12 | 2012-11-15 | Fan Wu | System and method for human interface in a vehicle |
| CN103592862B (en) * | 2013-11-08 | 2016-08-24 | 科大讯飞股份有限公司 | The control system of mobile unit many candidates POI and method |
| KR102206743B1 (en) * | 2014-08-11 | 2021-01-22 | 엘지전자 주식회사 | Apparatus for inputting driver`s operating signal using laser scanning |
| CN105091887B (en) * | 2015-09-16 | 2019-04-16 | 王占奎 | The interactive holographic in-vehicle navigation system of 3D |
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Effective date of registration: 20201217 Address after: 402460 7-4, building 30, 218 Changlong Avenue, Changzhou street, Rongchang District, Chongqing Patentee after: Chongqing HUAZHIGUANG Environmental Protection Technology Co.,Ltd. Address before: 4 / F, building 5, No. 26, Jiulongyuan Avenue, Jiulongpo District, Chongqing Patentee before: CHONGQING LUGE TECHNOLOGY Co.,Ltd. |
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Application publication date: 20170524 Assignee: Chongqing Lexiang agriculture (Group) Co.,Ltd. Assignor: Chongqing HUAZHIGUANG Environmental Protection Technology Co.,Ltd. Contract record no.: X2021980013297 Denomination of invention: Vehicle dual view navigation method Granted publication date: 20200428 License type: Common License Record date: 20211129 |