CN104317397A - Vehicle-mounted man-machine interactive method - Google Patents
Vehicle-mounted man-machine interactive method Download PDFInfo
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- CN104317397A CN104317397A CN201410542613.8A CN201410542613A CN104317397A CN 104317397 A CN104317397 A CN 104317397A CN 201410542613 A CN201410542613 A CN 201410542613A CN 104317397 A CN104317397 A CN 104317397A
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- 230000002452 interceptive effect Effects 0.000 title abstract 3
- 230000003993 interaction Effects 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 239000000284 extract Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 238000004378 air conditioning Methods 0.000 description 2
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/20—Movements or behaviour, e.g. gesture recognition
- G06V40/28—Recognition of hand or arm movements, e.g. recognition of deaf sign language
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V40/00—Recognition of biometric, human-related or animal-related patterns in image or video data
- G06V40/10—Human or animal bodies, e.g. vehicle occupants or pedestrians; Body parts, e.g. hands
- G06V40/107—Static hand or arm
- G06V40/113—Recognition of static hand signs
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- Engineering & Computer Science (AREA)
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Abstract
The invention belongs to the technical field of intelligent control for vehicles, and particularly relates to a vehicle-mounted man-machine interactive method. The method comprises the following steps of (A) starting a camera; (B) acquiring an image in a cab by using the camera, and recognizing a gesture from the image acquired by the camera through an image processing module, wherein the image at least comprises driver information; (C) if the recognized gesture does not exist, repeating the step B, and if the recognized gesture exists, entering a step D; (D) matching the recognized gesture and outputting a corresponding control command by using the image processing module; (E) receiving the control command and correspondingly controlling a vehicle by using an executive module; (F) repeating the step B, if the gesture exists and does not change, continuously repeating the step B, if the gesture exists and changes, entering the step D, and if the recognized gesture does not exist, stopping outputting the control command and repeating the step B. According to the vehicle-mounted man-machine interactive method, the operation is accurate, a risk brought by pressing a key by a driver in the driving process is avoided, and the driving experience and comfort of the driver are improved.
Description
Technical field
The invention belongs to Vehicular intelligent control technology field, particularly the vehicle-mounted man-machine interaction method of one.
Background technology
Day by day popularizing and widely using along with automobile, the comfortableness of automobile and security become the problem that user more and more pays close attention to, people are in the process of steering vehicle, touching button is often needed to go to control vehicle, such as air-conditioning switch, air-out size, the selection of music, volume regulate, play time-out, etc.
Most of vehicle that Vehicles Collected from Market is sold, due to the limited space near instrument desk, most switch all concentrates on console, and button is intensive and position is close.User is when being easy to push the wrong without manual manipulation direct when eye observation; Condition of road surface emergency case is more, if user pays close attention to button operation in the process of driving to travel, because miss important vehicle condition information in the short time of concern button, may cause major traffic accidents.Conventional solution adopts multi-functional steering wheel, but multi-functional steering wheel involves river air bag system common clock spring, and the higher and function quantity of cost is limited to, and can not arbitrarily expand and change.
Summary of the invention
The object of the present invention is to provide a kind of vehicle-mounted man-machine interaction method, by identifying that driver's gesture controls vehicle, avoiding driver to pay close attention to button and grasping the accident risk brought.
For realizing above object, the technical solution used in the present invention is: a kind of vehicle-mounted man-machine interaction method, comprise the steps: that (A) starts camera, (B) camera obtains drives off-the-air picture, at least includes driver information in this image; Image processing module identifies gesture from the image that camera gets; (C) if without identification gesture, repeat step B; If there is identification gesture, enter step D; (D) identification gesture is mated with the gesture template of its storage by image processing module; According to the gesture template matched, export corresponding steering order; (E) execution module controls accordingly to vehicle after receiving steering order; (F) repeat step B, if gesture exists and do not change, then continue to repeat step B; If gesture exists and changes, then enter step D; If without identification gesture, stop exporting steering order and repeating step B.
Compared with prior art, there is following technique effect in the present invention: by arranging camera and image processing module, identifies the gesture of driver, when driver needs to operate, only need to make corresponding gesture facing to camera, can complete operation; By gesture identification, operation accurately, and avoids driver in driving conditions and need to bow the risk that button brings, also improve simultaneously driver drive experience and comfort level, and car load is intelligent.
Accompanying drawing explanation
Fig. 1 is process flow diagram of the present invention;
Fig. 2 is theory diagram of the present invention.
Embodiment
Below in conjunction with Fig. 1 to Fig. 2, the present invention is described in further detail.
Consult Fig. 1, a kind of vehicle-mounted man-machine interaction method, comprise the steps: that (A) starts camera, (B) camera obtains drives off-the-air picture, at least includes driver information in this image; Image processing module identifies gesture from the image that camera gets; (C) if without identification gesture, repeat step B; If there is identification gesture, enter step D; (D) identification gesture is mated with the gesture template of its storage by image processing module; According to the gesture template matched, export corresponding steering order; (E) execution module controls accordingly to vehicle after receiving steering order; (F) repeat step B, if gesture exists and do not change, then continue to repeat step B; If gesture exists and changes, then enter step D; If without identification gesture, stop exporting steering order and repeating step B.User in use, can according to the custom of oneself and need by gesture template and corresponding steering order pre-set, conventional adjustment as vehicle music volume adjusting, change the adjustment etc. of song, air-conditioning air volume.
The scope caught due to camera is larger, in use, the eyes of driver can not leave road surface, gesture is made in the region that directly can capture facing to camera, input to image processing module and carry out identifying and export corresponding steering order after camera catches, avoid driver and observe the accident potential that button may bring, similarly, this mode of operation is for driver, and it is more convenient to operate.
Further, in described step B, image processing module obtains identification gesture as follows: (B1) camera obtains the image not containing driver in pilothouse, and using this image as initial background image; (B2) image containing driver got by camera and initial background image compare computing, obtain foreground image; (B3) the people's hand portion in identification foreground image also extracts staff image; (B4) filtering is carried out to staff image, edge treated, rim detection, edge extracting obtain digitized staff graphical information, image recognition is become graphical information, has a lot of algorithm to realize, here just not at detailed description.Here by arranging initial background image, and from foreground image, identifying people's hand portion, the calculated amount of identification can be reduced.Initial background image can, after camera installs, when driver is not on seat, carry out gathering and being stored in image processing module.
Camera can according to object movement and static state, analyze and whether have picture in driver and the car when non-driver, along with the change of stationary article in car, camera or image processing module are understood self study and upgrade initial background image, to reduce calculated amount during staff identification.In described step B2, if there is stagnant zone in foreground image and rest time meets threshold value, then this region is added in initial background image, namely described stagnant zone processes the identical region of the foreground image that obtains at every turn, and popular point is said, in the image got when camera exactly, the image in certain region continues for some time and does not change, just the image in this region is considered as background image, before carrying out staff identification, is removed.When it should be noted that camera starts at every turn, the background image of acquiescence is exactly the image starting most to store, and afterwards when carrying out gesture identification, the background image changed is only as the judgement in this driving procedure.
As preferred version of the present invention, start camera as follows: after (A1) car load battery feed is connected, system reset; (A2) system carries out self-inspection; (A3) when ignition switch ON shelves power supply is connected, when after enabling signal vehicle being detected, camera starts; When ignition switch ON shelves power supply disconnects, after ALARM signal being detected, camera starts.Here ALARM signal is provided with, even if can ensure that the ignition switch ON shelves power supply of vehicle disconnects, also can send ALARM signal at any time by vehicle-bone 3 G network camera is started, obtain video or image information in car, to reach the object of remote monitor vehicle.
Further, described image processing module analyzes the brightness of the image that camera gets, if brightness is less than the threshold value of setting, then enables infrared light compensating lamp.For night or sleety weather, when in car during insufficient light, the image light that camera obtains is darker, smudgy, be unfavorable for the identification of gesture, therefore ensure that camera obtains the sharpness of picture by infrared light compensating lamp, further, the light of infrared light compensating lamp can not be identified by the human eye, and has no effect to driver.
Because driver is sitting on the seat in pilothouse, therefore driver is when doing gesture, scope is limited, in order to ensure that camera can capture the gesture of driver, under described camera can being positioned at air-conditioner air outlet, focal length 10 ~ 40cm place before camera of camera.In addition, when carrying out gesture identification, exceeding the image outside effective focal length scope, directly using algorithm filtration treatment, reduce calculated amount.
Consult as Fig. 2, preferably, the control signal that described image processing module also exports can be CAN signal, LIN signal, PIN signal, CAN and LIN two kinds of networks that system is reserved and 6 tunnel PIN drive conventional control assembly, can meet the demand of most users.
Claims (7)
1. a vehicle-mounted man-machine interaction method, comprises the steps:
(A) camera is started,
(B) camera obtains and drives off-the-air picture, at least includes driver information in this image; Image processing module identifies gesture from the image that camera gets;
(C) if without identification gesture, repeat step B; If there is identification gesture, enter step D;
(D) identification gesture is mated with the gesture template of its storage by image processing module; According to the gesture template matched, export corresponding steering order;
(E) execution module controls accordingly to vehicle after receiving steering order;
(F) repeat step B, if gesture exists and do not change, then continue to repeat step B; If gesture exists and changes, then enter step D; If without identification gesture, stop exporting steering order and repeating step B.
2. vehicle-mounted man-machine interaction method as claimed in claim 1, it is characterized in that: in described step B, image processing module obtains identification gesture as follows:
(B1) camera obtains the image not containing driver in pilothouse, and using this image as initial background image;
(B2) image containing driver got by camera and initial background image compare computing, obtain foreground image;
(B3) the people's hand portion in identification foreground image also extracts staff image;
(B4) filtering is carried out to staff image, edge treated, rim detection, edge extracting obtain digitized staff graphical information.
3. vehicle-mounted man-machine interaction method as claimed in claim 2, it is characterized in that: in described step B2, if there is stagnant zone in foreground image and rest time meets threshold value, then be added in initial background image by this region, namely described stagnant zone processes the identical region of the foreground image that obtains at every turn.
4. vehicle-mounted man-machine interaction method as claimed in claim 3, is characterized in that: start camera as follows:
(A1) after car load battery feed is connected, system reset;
(A2) system carries out self-inspection;
(A3) when ignition switch ON shelves power supply is connected, when after enabling signal vehicle being detected, camera starts; When ignition switch ON shelves power supply disconnects, after ALARM signal being detected, camera starts.
5. vehicle-mounted man-machine interaction method as claimed in claim 4, is characterized in that: described image processing module analyzes the brightness of the image that camera gets, if brightness is less than the threshold value of setting, then enables infrared light compensating lamp.
6. vehicle-mounted man-machine interaction method as claimed in claim 5, is characterized in that: under described camera is positioned at air-conditioner air outlet, focal length 10 ~ 40cm place before camera of camera.
7. vehicle-mounted man-machine interaction method as claimed in claim 6, is characterized in that: the control signal that described image processing module also exports can be CAN signal, LIN signal, PIN signal.
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| CN105224088A (en) * | 2015-10-22 | 2016-01-06 | 东华大学 | A kind of manipulation of the body sense based on gesture identification vehicle-mounted flat system and method |
| CN106527674A (en) * | 2015-09-14 | 2017-03-22 | 上海羽视澄蓝信息科技有限公司 | Human-computer interaction method, equipment and system for vehicle-mounted monocular camera |
| CN106886275A (en) * | 2015-12-15 | 2017-06-23 | 比亚迪股份有限公司 | The control method of car-mounted terminal, device and vehicle |
| CN106933346A (en) * | 2017-01-20 | 2017-07-07 | 深圳奥比中光科技有限公司 | The zoning methods and equipment in in-car manipulation space |
| WO2017147877A1 (en) * | 2016-03-03 | 2017-09-08 | 邱琦 | Image-based identification method |
| CN108482276A (en) * | 2018-02-02 | 2018-09-04 | 斑马网络技术有限公司 | Vehicle screen method for information display and its system |
| CN108710436A (en) * | 2018-06-27 | 2018-10-26 | 常州星宇车灯股份有限公司 | A kind of control system based on TOF gesture identifications |
| CN108710857A (en) * | 2018-05-22 | 2018-10-26 | 深圳前海华夏智信数据科技有限公司 | People's vehicle recognition methods based on infrared light filling and device |
| CN108860025A (en) * | 2018-06-12 | 2018-11-23 | 重庆延锋安道拓汽车部件系统有限公司 | Seat adjuster and adjusting method based on gesture identification |
| CN109366497A (en) * | 2018-11-12 | 2019-02-22 | 奇瑞汽车股份有限公司 | On-vehicle machines people, the control method of on-vehicle machines people, device and storage medium |
| CN109934999A (en) * | 2017-12-16 | 2019-06-25 | 北京嘀嘀无限科技发展有限公司 | A kind of shared motor bicycle customized information reminding method and system |
| CN110889306A (en) * | 2018-09-07 | 2020-03-17 | 广州汽车集团股份有限公司 | Vehicle-mounted gesture recognition method and system based on camera |
| CN112069914A (en) * | 2020-08-14 | 2020-12-11 | 杭州鸿泉物联网技术股份有限公司 | Vehicle control method and system |
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| CN106527674A (en) * | 2015-09-14 | 2017-03-22 | 上海羽视澄蓝信息科技有限公司 | Human-computer interaction method, equipment and system for vehicle-mounted monocular camera |
| CN105224088A (en) * | 2015-10-22 | 2016-01-06 | 东华大学 | A kind of manipulation of the body sense based on gesture identification vehicle-mounted flat system and method |
| CN106886275A (en) * | 2015-12-15 | 2017-06-23 | 比亚迪股份有限公司 | The control method of car-mounted terminal, device and vehicle |
| CN106886275B (en) * | 2015-12-15 | 2020-03-20 | 比亚迪股份有限公司 | Control method and device of vehicle-mounted terminal and vehicle |
| WO2017147877A1 (en) * | 2016-03-03 | 2017-09-08 | 邱琦 | Image-based identification method |
| CN106933346A (en) * | 2017-01-20 | 2017-07-07 | 深圳奥比中光科技有限公司 | The zoning methods and equipment in in-car manipulation space |
| CN106933346B (en) * | 2017-01-20 | 2019-07-26 | 深圳奥比中光科技有限公司 | The zoning methods and equipment in car manipulation space |
| CN109934999A (en) * | 2017-12-16 | 2019-06-25 | 北京嘀嘀无限科技发展有限公司 | A kind of shared motor bicycle customized information reminding method and system |
| CN108482276A (en) * | 2018-02-02 | 2018-09-04 | 斑马网络技术有限公司 | Vehicle screen method for information display and its system |
| CN108710857A (en) * | 2018-05-22 | 2018-10-26 | 深圳前海华夏智信数据科技有限公司 | People's vehicle recognition methods based on infrared light filling and device |
| CN108860025A (en) * | 2018-06-12 | 2018-11-23 | 重庆延锋安道拓汽车部件系统有限公司 | Seat adjuster and adjusting method based on gesture identification |
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| CN108710436A (en) * | 2018-06-27 | 2018-10-26 | 常州星宇车灯股份有限公司 | A kind of control system based on TOF gesture identifications |
| CN110889306A (en) * | 2018-09-07 | 2020-03-17 | 广州汽车集团股份有限公司 | Vehicle-mounted gesture recognition method and system based on camera |
| CN109366497A (en) * | 2018-11-12 | 2019-02-22 | 奇瑞汽车股份有限公司 | On-vehicle machines people, the control method of on-vehicle machines people, device and storage medium |
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Application publication date: 20150128 |