CN107230373A - Information recommendation method, device, computer-readable recording medium and mobile terminal - Google Patents
Information recommendation method, device, computer-readable recording medium and mobile terminal Download PDFInfo
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- CN107230373A CN107230373A CN201710626267.5A CN201710626267A CN107230373A CN 107230373 A CN107230373 A CN 107230373A CN 201710626267 A CN201710626267 A CN 201710626267A CN 107230373 A CN107230373 A CN 107230373A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/0962—Arrangements for giving variable traffic instructions having an indicator mounted inside the vehicle, e.g. giving voice messages
- G08G1/0967—Systems involving transmission of highway information, e.g. weather, speed limits
- G08G1/096708—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control
- G08G1/096716—Systems involving transmission of highway information, e.g. weather, speed limits where the received information might be used to generate an automatic action on the vehicle control where the received information does not generate an automatic action on the vehicle control
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
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Abstract
The present invention relates to a kind of information recommendation method, device, computer-readable recording medium and mobile terminal.Methods described includes：Obtain traffic scene image and corresponding physical distance information；Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and physical distance acquisition of information visibility parameter；Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, the recommended vehicle speed is exported on the subscriber terminal.Above- mentioned information recommends method, device, computer-readable recording medium and mobile terminal, can obtain comparatively safe Vehicle Speed and recommend user, so as to ensure safety.
Description
Technical field
The present invention relates to field of computer technology, more particularly to a kind of information recommendation method, device, computer-readable deposit
Storage media and mobile terminal.
Background technology
Traffic system is that people's life is provided convenience, the especially development of electronic map so that the trip of people is more
It is convenient.During trip, user can at any time by the traffic of electronic map query destination, including travel route,
Travel time, the trip information such as road conditions and peripheral facility.And due to the particularity of traffic system so that trip is highly prone to weather
Influence, such as heavy snow, haze, rainstorm weather all can substantially reduce the safety coefficient during trip.
The content of the invention
The embodiment of the present invention provides a kind of information recommendation method, device, computer-readable recording medium and mobile terminal, can
To ensure the safety of user.
A kind of information recommendation method, methods described includes：
Obtain traffic scene image and corresponding physical distance information；
Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and thing
Manage range information and obtain visibility parameter；
Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, will be described
Recommended vehicle speed is exported on the subscriber terminal.
A kind of information recommending apparatus, described device includes：
Image collection module, for obtaining traffic scene image and corresponding physical distance information；
Parameter acquisition module, for obtaining the mist concentration parameter in traffic scene image according to parameter preset model, according to
The mist concentration parameter and physical distance acquisition of information visibility parameter；
Message output module, for being obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed
Recommended vehicle speed is taken, the recommended vehicle speed is exported on the subscriber terminal.
A kind of computer-readable recording medium, is stored thereon with computer program, and the program is realized when being executed by processor
Following steps：
Obtain traffic scene image and corresponding physical distance information；
Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and thing
Manage range information and obtain visibility parameter；
Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, will be described
Recommended vehicle speed is exported on the subscriber terminal.
A kind of mobile terminal, including memory, processor and storage are on a memory and the meter that can run on a processor
Calculation machine program, following steps are realized during the computing device described program：
Obtain traffic scene image and corresponding physical distance information；
Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and thing
Manage range information and obtain visibility parameter；
Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, will be described
Recommended vehicle speed is exported on the subscriber terminal.
Information recommendation method provided in an embodiment of the present invention, device, computer-readable recording medium and mobile terminal, can be with
Traffic scene image and corresponding physical distance information are obtained, is obtained according to the traffic scene image and physical distance information of acquisition
The visibility parameter of the traffic scene is taken, according to the visibility parameter acquiring recommended vehicle speed, and car will be recommended on mobile terminals
Speed is exported.So when encountering visibility than relatively low weather, comparatively safe Vehicle Speed can be obtained and recommended
To user, user is travelled when trip according to recommended vehicle speed, can avoid speed is too fast from causing traffic accident, so that
Ensure safety.
Brief description of the drawings
Fig. 1 is the internal structure schematic diagram of electronic equipment in one embodiment；
Fig. 2 is the internal structure schematic diagram of server in one embodiment；
Fig. 3 is the flow chart of information recommendation method in one embodiment；
Fig. 4 is the flow chart of information recommendation method in another embodiment；
Fig. 5 is the schematic diagram of acquisition physical distance information in one embodiment；
Fig. 6 is the terminal display surface chart of prompt message in one embodiment；
Fig. 7 is the structural representation of information recommending apparatus in one embodiment；
Fig. 8 is the structural representation of information recommending apparatus in another embodiment；
Fig. 9 is the schematic diagram of image processing circuit in one embodiment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It is appreciated that term " first " used in the present invention, " second " etc. can be used to describe various elements herein,
But these elements should not be limited by these terms.These terms are only used for distinguishing first element and another element.Citing comes
Say, without departing from the scope of the invention, the first client can be referred to as the second client, and similarly, can be by
Second client is referred to as the first client.First client and the second client both clients, but it is not same visitor
Family end.
Fig. 1 is the internal structure schematic diagram of electronic equipment in one embodiment.As shown in figure 1, the electronic equipment includes leading to
Cross processor, non-volatile memory medium, built-in storage and the network interface, display screen and input unit of system bus connection.
Wherein, the non-volatile memory medium of electronic equipment is stored with operating system and computer-readable instruction.The computer-readable finger
Make when being executed by processor realizing a kind of information recommendation method.The processor, which is used to provide, to be calculated and control ability, is supported whole
The operation of individual electronic equipment.Built-in storage in electronic equipment is the fortune of the computer-readable instruction in non-volatile memory medium
Row provides environment.Network interface is used to carry out network service with server, and request is obtained to service as sent traffic scene image
Device, traffic scene image that the reception server is returned etc..The display screen of electronic equipment can be LCDs or electronic ink
Water display screen etc., input unit can be set on the touch layer or electronic equipment casing covered on display screen by
Key, trace ball or Trackpad or external keyboard, Trackpad or mouse etc..The electronic equipment can be mobile phone, flat board
Computer or personal digital assistant or Wearable etc..It will be understood by those skilled in the art that the structure shown in Fig. 1, only
Only it is the block diagram of the part-structure related to application scheme, does not constitute the electronics being applied thereon to application scheme and set
Standby restriction, specific electronic equipment can include than more or less parts shown in figure, or combine some parts, or
Person has different part arrangements.
Fig. 2 is the internal structure schematic diagram of server in one embodiment.As shown in Fig. 2 the server is included by being
Processor, non-volatile memory medium, built-in storage and the network interface of bus of uniting connection.Wherein, the server is non-volatile
Property storage medium is stored with operating system and computer-readable instruction.To realize when the computer-readable instruction is executed by processor
A kind of information recommendation method.The processor of the server, which is used to provide, to be calculated and control ability, supports the operation of whole server.
The network interface of the server is used to communicate by network connection with outside terminal according to this, such as the traffic that receiving terminal is sent
Scene image obtains request and returns to traffic scene image etc. to terminal.Server can be either more with independent server
Individual server group into server cluster realize.It will be understood by those skilled in the art that the structure shown in Fig. 2, is only
The block diagram of the part-structure related to application scheme, does not constitute the limit for the server being applied thereon to application scheme
Fixed, specific server can include, than more or less parts shown in figure, either combining some parts or with not
Same part arrangement.
Fig. 3 is the flow chart of information recommendation method in one embodiment.As shown in figure 3, the information recommendation method includes step
Rapid 302 to step 306.Wherein：
Step 302, traffic scene image and corresponding physical distance information are obtained.
In the embodiment that the present invention is provided, traffic scene image refers to corresponding to the traffic scene of user's vehicle traveling
Image, the air visibility of traffic scene where the traffic scene image can clearly illustrate user.For example, traffic scene figure
As that can be the corresponding image in certain section.Traffic scene image can be acquired by image collecting device, and wherein image is adopted
Acquisition means refer to the device for gathering image.
For example, image collecting device can be camera, the camera on mobile terminal, the camera of traffic video monitoring
Deng device.Physical distance information refer to represent image collecting device into traffic scene image the corresponding object of each pixel it
Between physical distance relevant parameter.Because traffic scene image is made up of several pixels, therefore traffic scene figure
Each pixel as in has corresponding physical distance information.
It is understood that traffic scene image and corresponding physical distance information can be obtained in real time, can also
It is stored in advance in database.Specifically, traffic scene image can be gathered by the camera of traffic video monitoring, so
The traffic scene image collected is uploaded onto the server afterwards and stored, user terminal can be obtained directly pair on the server
The traffic scene image answered.
Step 304, the mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mistiness degree
Parameter and physical distance acquisition of information visibility parameter.
In the embodiment that the present invention is provided, mist concentration parameter refers to the ginseng for representing the mist concentration of image Scene
Number, parameter preset model refers to the data model for obtaining the mist concentration parameter in image, can be obtained according to parameter preset model
Mist concentration parameter in traffic scene image.Furthermore it is also possible to traffic scene image be handled according to mist concentration parameter, also
It is former into original fog free images.
Visibility parameter refers to the relevant parameter for representing air visibility size in traffic scene, and usually, visibility is got over
Greatly, represent that the air visibility in traffic scene is bigger；Visibility parameter is smaller, represents that the air visibility in traffic scene is got over
It is small.
Step 306, obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed and recommend car
Speed, the recommended vehicle speed is exported on the subscriber terminal.
Usually, air visibility is lower, and user's visual range is just smaller.That is, air visibility it is relatively low when
Wait, user can only see the barrier of a small range, if speed of operation too soon if be not easy to see barrier clearly, be so easy for
Generation traffic accident.
In one embodiment, recommended vehicle speed refers to safe speed when vehicle is travelled on highway, and vehicle is recommending car
Traveling within speed, it is considered that be that comparison is safe.Visibility ginseng can be prestored in server or user terminal
Corresponding relation between number and recommended vehicle speed.Usually, visibility parameter can be, but not limited to be linear relationship with recommended vehicle speed,
Corresponding recommended vehicle speed can be got according to visibility parameter.
It is understood that the renewal time of recommended vehicle speed can be set on user terminal, at interval of renewal time user
Terminal obtains a traffic scene image and corresponding physical distance information, according to the traffic scene image and corresponding thing of acquisition
Manage range information and obtain recommended vehicle speed, and the recommended vehicle speed of renewal is exported.
Recommended vehicle speed is exported on the subscriber terminal, can be shown on user terminal interface or
Reported by the voice of user terminal, can also be and pointed out by the prompt tone of user terminal, so that user
It can be travelled according to the recommended vehicle speed of output.
Above- mentioned information recommends method, traffic scene image and corresponding physical distance information can be obtained, according to acquisition
The traffic scene image and physical distance acquisition of information traffic scene visibility parameter, pushed away according to the visibility parameter acquiring
Speed is recommended, and is on mobile terminals exported recommended vehicle speed.So when encountering visibility than relatively low weather, it can obtain
Comparatively safe Vehicle Speed is taken to recommend user, user is travelled when trip according to recommended vehicle speed, can be with
Avoid speed is too fast from causing traffic accident, so as to ensure safety.
Fig. 4 is the flow chart of information recommendation method in another embodiment.As shown in figure 4, the information recommendation method includes
Step 402 is to step 408.Wherein：
Step 402, traffic scene image and corresponding physical distance information are obtained.
In one embodiment, Vehicular video image and the corresponding physical distance of each two field picture can be specifically obtained in real time
Information, and each two field picture in Vehicular video image is obtained as traffic scene image.It is understood that car can be passed through
Monitoring or acquisition for mobile terminal Vehicular video image and corresponding physical distance information are carried, Vehicular video image is then directed to again
In each two field picture handled.
, can be by image acquisition device traffic scene image in the other embodiment that the present invention is provided, and incite somebody to action
The traffic scene image, which uploads onto the server, to be stored.Specifically, the traffic scene image that is stored in server and corresponding
Physical distance information and geographical position mark set up one-to-one relationship, and mobile terminal can be obtained pair according to geographical station location marker
The traffic scene image and physical distance information answered.Wherein, geographical position refers to the unique mark for representing particular geographic location, can
To be but not limited to be indicated with the one or more in longitude and latitude, geographic position name and geographical position numbering etc..Move
Dynamic terminal directly obtains corresponding traffic scene image and corresponding physical distance information by geographical position mark.
For example, image collecting device can be the camera of traffic video monitoring or the camera of mobile terminal,
The position of the camera of each traffic video monitoring is changeless, and the mark storage of corresponding geographical position is in the server.
When image collector is set to the camera of traffic video monitoring, traffic scene image and corresponding physical distance information are collected
Afterwards, traffic scene image and physical distance information can be uploaded onto the server, geographical position mark is then set up on the server
The corresponding relation of knowledge, traffic scene image and physical distance information, and the corresponding relation is stored in the database of server.
When image collector is set to the camera of mobile terminal, mobile terminal can obtain traffic scene image and physical distance letter first
Breath and corresponding geographical position mark, and geographical position identified, traffic scene image and physical distance information are uploaded to clothes
Business device, server again identifies geographical position, traffic scene image and physical distance information set up corresponding relation and be stored in number
According in storehouse, data sharing is realized.
Further, mobile terminal can obtain present position, and obtain the corresponding geography of present position
Station location marker, then goes on server to obtain corresponding traffic scene image and physical distance is believed according to geographical position mark
Breath.
In one embodiment, dual camera can be installed, measuring image by dual camera adopts on image collecting device
Acquisition means are to the physical distance information between object.It can also be by range sensor to obtain physical distance information, wherein
Range sensor refers to that the device of physical distance can be measured.
Specifically, the image of object is shot respectively by the first camera and second camera；The is obtained according to the image
One angle and the second angle, wherein, the first angle is the first camera to horizontal line where object and the first camera to second
Angle between horizontal line where camera, the second angle is that second camera is arrived to horizontal line where object with second camera
Angle between horizontal line where first camera；According to the first angle, the second angle and the first camera to second camera
The distance between, image collecting device is obtained to the physical distance information between object.
Fig. 5 is the schematic diagram of acquisition physical distance information in one embodiment.As shown in figure 5, passing through the first camera 502
Shoot the image of object 506 respectively with second camera 504, the first included angle A 1 and the second angle can be obtained according to the image
A2, then further according to the distance between the first included angle A 1, the second included angle A 2 and the first camera 502 to second camera 504 T,
Physical distance of first camera 402 to the place horizontal line of second camera 504 between any point and object 506 can be obtained
D。
Step 404, the mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to mist concentration parameter
With physical distance acquisition of information visibility parameter.
In one embodiment, the step of obtaining the mist concentration parameter of traffic scene image based on the first checking method of dark primary is wrapped
Include：
Obtain atmospherical scattering model
I (x)=J (x) t (x)+A (1-t (x))
Wherein, I (x) is the image information observed, and J (x) is the nothing after the radiation information from target, that is, recovery
Mist image, x represents the locus of a certain pixel in image, and t (x) is transmissivity, and A is the air light value of infinite point.Air
Light value A can be calculated by the gray-scale map of traffic scene image and be obtained, also pass through air light value and weather condition and current time
Corresponding relation obtain.Under normal conditions, the pixel that can select maximum intensity in image is used as the estimation of air light value.Assuming that
Air light value A is given value, there is channel value very low passage, and the channel value in traffic scene image in tri- passages of RGB
Close to zero, then it can obtain：
Can get transmissivity by above formula is：
WhereinAs image containing mist can introduce one 0 to 1 in the dark primary value in x fields
Between weights ω transmissivity is adjusted, then the i.e. transmissivity expression formula of defogging parameter finally asked for is as follows：
In order to ensure defog effect, a threshold value t can be set to transmissivity0, then the light intensity of scenery when fogless
For：
From above formula, mist concentration parameter can include transmissivity t (x) and air light value A.Usually, transmitted in above formula
Rate is bigger, represents that the mistiness degree in traffic scene image is smaller, traffic scene image and original fog free images closer to；Phase
Instead, then illustrate that the mistiness degree in traffic scene image is bigger.
Transmissivity t (x) and visibility parameter L relational expression is as follows：
Wherein, d is the corresponding physical distance information of traffic scene image, and C is a constant.Then can be according to friendship by above formula
The mist concentration parameter and physical distance acquisition of information visibility parameter L of logical scene image.
Step 406, recommended vehicle speed is obtained according to the corresponding relation of visibility parameter and visibility parameter and recommended vehicle speed, will
Recommended vehicle speed is exported on the subscriber terminal.
Step 408, vehicle current driving speed is obtained.
In one embodiment, vehicle current driving speed refers to the travel speed of the vehicle of current driving, usually, car
Travel speed can pass through radar meter, GPS (Global Positioning System, global positioning system), coil
The modes such as sensor are measured.
In the other embodiment that the present invention is provided, terminal is obtaining traffic scene image and corresponding physical distance information
When, acquisition speed can be sent to server simultaneously and obtain request, server initiates to obtain the task of speed acquisition, and will
The vehicle current driving speed of acquisition returns to terminal.The terminal can be intelligent mobile terminal or car-mounted terminal.
It is understood that obtaining vehicle current driving speed can also be completed by the equipment of vehicle itself,
Get after vehicle current driving speed, the vehicle current driving speed got is sent to by movement by vehicle-mounted Bluetooth equipment
Terminal.
Step 410, if vehicle current driving speed is more than recommended vehicle speed, prompt message is sent.
In the embodiment that the present invention is provided, vehicle current driving speed and the recommended vehicle speed of acquisition are compared, if
Vehicle current driving speed is more than recommended vehicle speed, then illustrates that vehicle current driving has than larger potential safety hazard, then terminal can be with
Prompt message is sent, to point out user to reduce Vehicle Speed.It is understood that prompt message can be with vibrations, sound
What the forms such as sound, flashing lamp were sent.
Fig. 6 is the terminal display surface chart of prompt message in one embodiment.As shown in fig. 6, being shown on the terminal interface
The recommended vehicle speed of current acquisition, and when vehicle current driving speed is more than recommended vehicle speed, illustrate the prompt message sent.
In the other embodiment that the present invention is provided, vehicle present position can also be obtained；If vehicle is currently located
The corresponding restricted speed in position is more than recommended vehicle speed, then sends prompt message.Vehicle present position refers to vehicle current line
The geographical position sailed, the position can be, but not limited to be indicated by longitude and latitude.Restricted speed refers to limit vehicle
The minimum travel speed of limitation vehicle is 60km/h on the minimum speed of traveling, such as highway.
Specifically, geographical position mark and the corresponding relation of restricted speed are prestored, is currently located when getting vehicle
After the corresponding geographical position mark in position, corresponding restricted speed is obtained by the corresponding relation.If vehicle present position
Corresponding restricted speed is more than recommended vehicle speed, illustrates that traveling is than relatively hazardous, then to send and carry in vehicle present position
Show information, to remind user.
Above- mentioned information recommends method, traffic scene image and corresponding physical distance information can be obtained, according to acquisition
The traffic scene image and physical distance acquisition of information traffic scene visibility parameter, pushed away according to the visibility parameter acquiring
Speed is recommended, and is on mobile terminals exported recommended vehicle speed.So when encountering visibility than relatively low weather, it can obtain
Comparatively safe Vehicle Speed is taken to recommend user, user is travelled when trip according to recommended vehicle speed, can be with
Avoid speed is too fast from causing traffic accident, so as to ensure safety.Meanwhile, vehicle current driving speed can be obtained, if
Prompt message is then sent more than recommended vehicle speed, the security of vehicle traveling is further increasing.
Fig. 7 is the structural representation of information recommending apparatus in one embodiment.As shown in fig. 7, the information recommending apparatus 700
Including image collection module 702, parameter acquisition module 704 and message output module 708.Wherein：
Image collection module 702, for obtaining traffic scene image and corresponding physical distance information.
Parameter acquisition module 704, for obtaining the mist concentration parameter in traffic scene image, root according to parameter preset model
According to the mist concentration parameter and physical distance acquisition of information visibility parameter.
Message output module 708, for being closed according to the visibility parameter and visibility parameter are corresponding with recommended vehicle speed
System obtains recommended vehicle speed, and the recommended vehicle speed is exported on the subscriber terminal.
Fig. 8 is the structural representation of information recommending apparatus in another embodiment.As shown in figure 8, the information recommending apparatus
800 obtain including image collection module 802, parameter acquisition module 804, message output module 806, speed acquisition module 808, position
Modulus block 810 and nformation alert module 812.Wherein：
Image collection module 802, for obtaining traffic scene image and corresponding physical distance information.
Parameter acquisition module 804, for obtaining the mist concentration parameter in traffic scene image, root according to parameter preset model
According to the mist concentration parameter and physical distance acquisition of information visibility parameter.
Message output module 806, for being closed according to the visibility parameter and visibility parameter are corresponding with recommended vehicle speed
System obtains recommended vehicle speed, and the recommended vehicle speed is exported on the subscriber terminal.
Speed acquisition module 808, for obtaining vehicle current driving speed.
Position acquisition module 810, for obtaining vehicle present position.
Nformation alert module 812, if being more than the recommended vehicle speed for the vehicle current driving speed, sends prompting
Information；If the corresponding restricted speed of the vehicle present position is more than the recommended vehicle speed, prompt message is sent.
Above- mentioned information recommendation apparatus, can obtain traffic scene image and corresponding physical distance information, according to acquisition
The traffic scene image and physical distance acquisition of information traffic scene visibility parameter, pushed away according to the visibility parameter acquiring
Speed is recommended, and is on mobile terminals exported recommended vehicle speed.So when encountering visibility than relatively low weather, it can obtain
Comparatively safe Vehicle Speed is taken to recommend user, user is travelled when trip according to recommended vehicle speed, can be with
Avoid speed is too fast from causing traffic accident, so as to ensure safety.
In one embodiment, image collection module 802 is additionally operable to obtain Vehicular video image and each two field picture in real time
Corresponding physical distance information, and each two field picture in the Vehicular video image is obtained as traffic scene image.
The division of modules is only used for for example, in other embodiments, will can believe in above- mentioned information recommendation apparatus
Breath recommendation apparatus is divided into different modules as required, to complete all or part of function of above- mentioned information recommendation apparatus.
The embodiment of the present invention additionally provides a kind of computer-readable recording medium.A kind of computer-readable recording medium, its
On be stored with computer program, the program realizes following steps when being executed by processor：
Obtain traffic scene image and corresponding physical distance information；
Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and thing
Manage range information and obtain visibility parameter；
Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, will be described
Recommended vehicle speed is exported on the subscriber terminal.
In one embodiment, the acquisition traffic scene image being executed by processor and corresponding physical distance information
Including：
Vehicular video image and the corresponding physical distance information of each two field picture are obtained in real time, and obtain the Vehicular video
Each two field picture in image is used as traffic scene image.
In the other embodiment that the present invention is provided, the methods described being executed by processor also includes：
Obtain vehicle current driving speed；
If the vehicle current driving speed is more than the recommended vehicle speed, prompt message is sent.
In one of the embodiments, the methods described being executed by processor also includes：
Obtain vehicle present position；
If the corresponding restricted speed of the vehicle present position is more than the recommended vehicle speed, prompt message is sent.
The embodiment of the present invention also provides a kind of computer equipment.Above computer equipment includes image processing circuit, figure
As process circuit can be realized using hardware and/or component software, it may include define ISP (Image Signal
Processing, picture signal processing) pipeline various processing units.Fig. 9 is that image processing circuit shows in one embodiment
It is intended to.As shown in figure 9, for purposes of illustration only, only showing the various aspects of the image processing techniques related to the embodiment of the present invention.
As shown in figure 9, image processing circuit includes ISP processors 940 and control logic device 950.Imaging device 910 is caught
View data handled first by ISP processors 940, ISP processors 940 view data is analyzed with catch can be used for it is true
The image statistics of one or more control parameters of fixed and/or imaging device 910.Imaging device 910 may include there is one
The camera of individual or multiple lens 912 and imaging sensor 914.Imaging sensor 914 may include colour filter array (such as
Bayer filters), imaging sensor 914 can obtain the luminous intensity caught with each imaging pixel of imaging sensor 914 and wavelength
Information, and the one group of raw image data that can be handled by ISP processors 940 is provided.Sensor 920 can be connect based on sensor 920
Raw image data is supplied to ISP processors 940 by mouth type.The interface of sensor 920 can utilize SMIA (Standard
Mobile Imaging Architecture, Standard Mobile Imager framework) interface, other serial or parallel camera interfaces or
The combination of above-mentioned interface.
ISP processors 940 handle raw image data pixel by pixel in various formats.For example, each image pixel can
Bit depth with 8,10,12 or 14 bits, ISP processors 940 can be carried out at one or more images to raw image data
Reason operation, statistical information of the collection on view data.Wherein, image processing operations can be by identical or different bit depth precision
Carry out.
ISP processors 940 can also receive pixel data from video memory 930.For example, from the interface of sensor 920 by original
The raw pixel data that beginning pixel data is sent in video memory 930, video memory 930 is available to ISP processors
940 is for processing.Video memory 930 can be independent in a part, storage device or the electronic equipment of storage arrangement
Private memory, and may include DMA (Direct Memory Access, direct direct memory access (DMA)) feature.
When receiving the raw image data from the interface of sensor 920 or from video memory 930, ISP processing
Device 940 can carry out one or more image processing operations, such as time-domain filtering.View data after processing, which can be transmitted, gives image storage
Device 930, to carry out other processing before shown.ISP processors 940 can also be from the reception processing of video memory 930
Data, the image real time transfer in original domain and in RGB and YCbCr color spaces is carried out to above-mentioned processing data.After processing
View data may be output to display 980, for user watch and/or by graphics engine or GPU (Graphics
Processing Unit, graphics processor) further processing.In addition, the output of ISP processors 940 also can be transmitted and be deposited to image
Reservoir 930, and display 980 can read view data from video memory 930.In one embodiment, video memory 930
It can be configured as realizing one or more frame buffers.In addition, the output of ISP processors 940 can be transmitted to encoder/decoder
970, so as to encoding/decoding image data.The view data of coding can be saved, and be shown in the equipment of display 980 it
Preceding decompression.
View data after ISP processing can be transmitted to defogging module 960, to carry out defogging to image before shown
Processing.Defogging module 960, which carries out defogging processing to view data, may include to obtain traffic scene image according to parameter preset model
In mist concentration parameter, and defogging processing etc. is carried out to traffic scene image according to mist concentration parameter.Wherein, defogging module 960
Can be CPU (Central Processing Unit, central processing unit) or GPU (Graphics in mobile terminal
Processing Unit, graphics processor) etc..Defogging module 960 carries out view data after defogging processing, can be by defogging
View data after reason is sent to encoder/decoder 970, so as to encoding/decoding image data.The view data of coding can quilt
Preserve, and in display and the equipment of display 980 before decompress.It is understood that the image after the processing of defogging module 960
Data can directly be issued display 980 and shown without encoder/decoder 970.After the processing of ISP processors 940
View data can also first pass through encoder/decoder 970 and handle, and then be handled again by defogging module 960.
The statistics that ISP processors 940 are determined, which can be transmitted, gives the unit of control logic device 950.For example, statistics can be wrapped
Include the image sensings such as automatic exposure, AWB, automatic focusing, flicker detection, black level compensation, the shadow correction of lens 912
The statistical information of device 914.Control logic device 950 may include the processor and/or micro-control for performing one or more routines (such as firmware)
Device processed, one or more routines can determine control parameter and the ISP processing of imaging device 910 according to the statistics of reception
The control parameter of device 940.For example, control parameter may include the control parameter of sensor 920 (such as integration of gain, spectrum assignment
Time), camera flash control parameter, the group of the control parameter of lens 912 (such as focus on or zoom focal length) or these parameters
Close.ISP control parameters may include to be used for AWB and color adjustment (for example, RGB processing during) gain level and
Color correction matrix, and the shadow correction parameter of lens 912.
Below for the step of realizing information recommendation method with image processing techniques in Fig. 9：
Obtain traffic scene image and corresponding physical distance information；
Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and thing
Manage range information and obtain visibility parameter；
Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, will be described
Recommended vehicle speed is exported on the subscriber terminal.
In one embodiment, the acquisition traffic scene image and corresponding physical distance information include：
Vehicular video image and the corresponding physical distance information of each two field picture are obtained in real time, and obtain the Vehicular video
Each two field picture in image is used as traffic scene image.
In the other embodiment that the present invention is provided, methods described also includes：
Obtain vehicle current driving speed；
If the vehicle current driving speed is more than the recommended vehicle speed, prompt message is sent.
In one of the embodiments, methods described also includes：
Obtain vehicle present position；
If the corresponding restricted speed of the vehicle present position is more than the recommended vehicle speed, prompt message is sent.
One of ordinary skill in the art will appreciate that realize all or part of flow in above-described embodiment method, being can be with
The hardware of correlation is instructed to complete by computer program, described program can be stored in a non-volatile computer and can be read
In storage medium, the program is upon execution, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, described storage is situated between
Matter can be magnetic disc, CD, read-only memory (Read-Only Memory, ROM) etc..
Embodiment described above only expresses the several embodiments of the present invention, and it describes more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of information recommendation method, it is characterised in that methods described includes：
Obtain traffic scene image and corresponding physical distance information；
Mist concentration parameter in traffic scene image is obtained according to parameter preset model, according to the mist concentration parameter and physics away from
From acquisition of information visibility parameter；
Recommended vehicle speed is obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed, recommended described
Speed is exported on the subscriber terminal.
2. information recommendation method according to claim 1, it is characterised in that the acquisition traffic scene image and corresponding
Physical distance information includes：
Vehicular video image and the corresponding physical distance information of each two field picture are obtained in real time, and obtain the Vehicular video image
In each two field picture be used as traffic scene image.
3. information recommendation method according to claim 1, it is characterised in that methods described also includes：
Obtain vehicle current driving speed；
If the vehicle current driving speed is more than the recommended vehicle speed, prompt message is sent.
4. information recommendation method according to claim 1, it is characterised in that methods described also includes：
Obtain vehicle present position；
If the corresponding restricted speed of the vehicle present position is more than the recommended vehicle speed, prompt message is sent.
5. a kind of information recommending apparatus, it is characterised in that described device includes：
Image collection module, for obtaining traffic scene image and corresponding physical distance information；
Parameter acquisition module, for obtaining the mist concentration parameter in traffic scene image according to parameter preset model, according to described
Mist concentration parameter and physical distance acquisition of information visibility parameter；
Message output module, is pushed away for being obtained according to the corresponding relation of the visibility parameter and visibility parameter and recommended vehicle speed
Speed is recommended, the recommended vehicle speed is exported on the subscriber terminal.
6. information recommending apparatus according to claim 5, it is characterised in that described image acquisition module is additionally operable to obtain in real time
Pick up the car and carry video image and the corresponding physical distance information of each two field picture, and obtain each frame in the Vehicular video image
Image is used as traffic scene image.
7. information recommending apparatus according to claim 5, it is characterised in that described device also includes：
Speed acquisition module, for obtaining vehicle current driving speed；
Nformation alert module, if being more than the recommended vehicle speed for the vehicle current driving speed, sends prompt message.
8. information recommending apparatus according to claim 5, it is characterised in that described device also includes：
Position acquisition module, for obtaining vehicle present position；
Nformation alert module, if being more than the recommended vehicle speed for the corresponding restricted speed of the vehicle present position,
Send prompt message.
9. a kind of computer-readable recording medium, is stored thereon with computer program, it is characterised in that the program is held by processor
The information recommendation method as any one of Claims 1-4 is realized during row.
10. a kind of mobile terminal, including memory, processor and storage are on a memory and the calculating that can run on a processor
Machine program, it is characterised in that the letter as any one of Claims 1-4 is realized during the computing device described program
Cease recommendation method.
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