CN106934345A - Vehicle scar storehouse and its construction method, vehicle scar method for information display and system - Google Patents
Vehicle scar storehouse and its construction method, vehicle scar method for information display and system Download PDFInfo
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- CN106934345A CN106934345A CN201710056624.9A CN201710056624A CN106934345A CN 106934345 A CN106934345 A CN 106934345A CN 201710056624 A CN201710056624 A CN 201710056624A CN 106934345 A CN106934345 A CN 106934345A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/20—Scenes; Scene-specific elements in augmented reality scenes
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
- G06V20/00—Scenes; Scene-specific elements
- G06V20/50—Context or environment of the image
- G06V20/56—Context or environment of the image exterior to a vehicle by using sensors mounted on the vehicle
- G06V20/58—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads
- G06V20/584—Recognition of moving objects or obstacles, e.g. vehicles or pedestrians; Recognition of traffic objects, e.g. traffic signs, traffic lights or roads of vehicle lights or traffic lights
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Abstract
The present invention relates to a kind of vehicle scar storehouse and its construction method, vehicle scar method for information display and system, vehicle body is shot comprehensively by default rule in the present invention, vehicle body is divided into front, rear, left and right and top totally 5 curved surfaces, on scar orthographic projection that may be present to corresponding perspective plane on this 5 curved surfaces, scar coordinate on correspondence perspective plane will be then obtained.In vehicle scar storehouse of the invention, car number, vehicle and scar site information are only stored.Compared with the prior art for preserving image information, the speed that scar data are uploaded and downloaded is accelerated, and then improve the efficiency that scar data are transferred, and saved hardware resource required during database purchase；Compared with the prior art for only preserving text information, the description to scar is more directly perceived and accurate.
Description
Technical field
The present invention relates to field of image recognition, and in particular to a kind of vehicle scar storehouse and its construction method, vehicle scar letter
Breath display methods and system.
Background technology
The life of current driver for convenience, many newly-increased types of service are continued to bring out, such as valet parking, generation
Drive, energy supplement etc. is carried out for visitor, wiping of the vehicle when travelling or berthing is touched in such service, be asking of frequently encountering
Topic, the imputation decision problem of vehicle scar is as one of major issue for having a strong impact on the smooth development of such service.Therefore, it is such
Needed in service before user's vehicle is opened, bodywork surface is patrolled and examined, and the scar that will be checked, and serviced before
The vehicle body scar of Shi Jilu is compared.
In order to realize the comparison of scar, more common mode is by attendant during patrolling and examining every time, will to hinder
Trace is recorded by word or imaging modality, is stored in high in the clouds.And patrolling and examining for servicing next time, then record recalled.This
The mode of sample, all there is very big problem in efficiency and effect.Such as, same scar is possible in different services
Patrol and examine middle by repetition typing；Image and word be not directly perceived, so as to influence comparison efficiency.
The content of the invention
In order to solve above mentioned problem of the prior art, the present invention propose a kind of vehicle scar storehouse and its construction method,
Vehicle scar method for information display and system, accelerate the speed that scar data are uploaded and downloaded, and then improve scar data
The efficiency transferred, and saved hardware resource required during database purchase.
The present invention proposes a kind of position of all scars in vehicle scar storehouse, including vehicle code, the correspondence vehicle of vehicle
Information；The vehicle code is the Identity Code of vehicle；The position of all scars in the corresponding vehicle of each vehicle code
Information is interrelated.
Preferably, the coordinate letter of the numbering at vehicle body position, correspondence scar where the positional information of the scar, including scar
Breath.
Preferably, the coordinate information of the scar is：By the curved surface orthographic projection at vehicle body position where scar to three-dimensional vehicle
After coordinate system datum plane, coordinate information of the scar on correspondence perspective plane.
Preferably, the curved surface orthographic projection by vehicle body position where scar is to three-dimensional vehicle coordinate system datum plane, its
Method is：
For the front portion of vehicle body, compare orthographic projection of the curved surface at the vehicle body position on two datum planes of vertical direction
Area, chooses that larger datum plane of frontal projected area, as the corresponding perspective plane in vehicle body position；By body forward structure
Curved surface orthographic projection to the perspective plane；With same method, by the curved surface orthographic projection at rear, left and right three vehicle body positions to respective
Corresponding perspective plane；
For the top of vehicle body, horizontal direction datum plane is chosen as corresponding perspective plane, by the curved surface at the top of vehicle body
Orthographic projection is to corresponding perspective plane.
Preferably, the positional information of the scar is the coordinate information of scar, and its method is：By vehicle body position where scar
Curved surface orthographic projection to two-dimensional coordinate plane after, scar correspondence perspective plane on coordinate information.
Preferably, to two-dimensional coordinate plane, its method is for the curved surface orthographic projection by vehicle body position where scar：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；Before by the vehicle body after expansion,
Afterwards, left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
Preferably, the positional information of the scar is：Three dimensional space coordinate position where scar is mapped to same
The two-dimensional pixel point coordinates obtained after two-dimensional coordinate plane；Mapping function employed in the mapping is injective function.
Preferably, coordinate information of the scar on correspondence perspective plane is：Pixel of the scar on correspondence perspective plane
Coordinate.
Preferably, the numbering at the vehicle body position is：Vehicle body position is divided into front, rear, left and right and 5, top curved surface,
This 5 curved surfaces are numbered respectively, as the numbering at correspondence vehicle body position.
Preferably, the vehicle scar storehouse, also the vehicle information including being associated with vehicle code.
The present invention also proposes a kind of vehicle scar base construction method, including：
Step A1, obtains the vehicle code and vehicle information of vehicle；
Step A2, shoots vehicle body photo, and captured photo is numbered；
Step A3, the scar in identification vehicle body photo, obtains the numbering of photo where scar；
Step A4, according to the numbering of photo where vehicle information, scar, determines the positional information of scar；
Step A5, the vehicle code of vehicle, vehicle are associated with the positional information of all scars in the vehicle, constitute vehicle
Scar storehouse.
Preferably, step A2 includes：
Step A21, for specific vehicle and camera parameter, different bats is divided into according to default size by vehicle body
Take the photograph region；
Step A22, according to default cam movement speed, camera is transported around the horizontal endless that vehicle body is carried out at the uniform velocity
It is dynamic, and vehicle body is locally shot according to default filming frequency, to captured vehicle body, local photo is numbered.
Preferably, the shooting area, is divided into a group or more of highly different packets；If shooting area is one group
The different packet of level above, when camera horizontal movement returns to starting point in one week, by the height or the shooting that adjust camera
Angle, shooting area is moved to the shooting area of another height, and repeat step A22 until all shooting areas are traversed.
Preferably, the numbering at vehicle body position where the positional information of scar described in step A4, including scar and scar
Coordinate information；
The numbering at the vehicle body position is：Vehicle body position is divided into front, rear, left and right and 5, top curved surface, to this 5
Curved surface is numbered respectively, used as the numbering at correspondence vehicle body position；
The coordinate information of the scar is：By the curved surface orthographic projection at vehicle body position where scar to three-dimensional vehicle coordinate system base
After directrix plane, pixel point coordinates of the scar on correspondence perspective plane is obtained, as correspond to the coordinate information of scar.
Preferably, the curved surface orthographic projection by vehicle body position where scar is to three-dimensional vehicle coordinate system datum plane, its
Method is：
For the front portion of vehicle body, compare orthographic projection of the curved surface at the vehicle body position on two datum planes of vertical direction
Area, chooses that larger datum plane of frontal projected area, as the corresponding perspective plane in vehicle body position, by body forward structure
Curved surface orthographic projection to the perspective plane；With same method, by the curved surface orthographic projection at rear, left and right three vehicle body positions to respective
Corresponding perspective plane；
For the top of vehicle body, horizontal direction datum plane is chosen as corresponding perspective plane, by the curved surface at the top of vehicle body
Orthographic projection is to corresponding perspective plane.
Preferably, the positional information of scar is described in step A4：
After curved surface orthographic projection to the two-dimensional coordinate plane at vehicle body position where scar, picture of the scar on correspondence perspective plane
Vegetarian refreshments coordinate, as corresponds to the positional information of scar.
Preferably, to two-dimensional coordinate plane, its method is for the curved surface orthographic projection by vehicle body position where scar：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；Before by the vehicle body after expansion,
Afterwards, left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
Preferably, the positional information of scar is described in step A4：Position where scar is mapped into same two dimension
The two-dimensional pixel point coordinates obtained after coordinate plane；Mapping function employed in the mapping is injective function.
Preferably, described vehicle code information is license plate number；The vehicle code and car of vehicle are obtained described in step A1
Type information, its method is：
By way of information input window, or obtained by carrying out the method for image recognition to captured vehicle body photo
License plate number information；
By way of information input window, or obtained by carrying out the method for image recognition to captured vehicle body photo
Vehicle information, or the vehicle information by inquiring about license plate number to transfer and prestoring.
Preferably, the vehicle scar base construction method, the step of also renewal including vehicle scar storehouse, the step includes：
The positional information of the vehicle code, vehicle and current all scars of vehicle is obtained using step A1 to A4；
The positional information of acquired current all scars is carried out with the positional information of all scars for being stored before
Contrast, the method using step A5 if in the presence of the positional information of newly-increased scar increases the positional information of scar, if scar disappears
Then delete the positional information of corresponding scar.
The present invention also proposes a kind of vehicle scar method for information display, and based on described vehicle scar storehouse, foundation is input into
The vehicle code information of vehicle, obtains the positional information of all scars of the vehicle；By the coordinate back projection of scar to the vehicle pair
Answer on the 3D models of vehicle；The 3D models use identical coordinate system with the scar coordinate information in vehicle scar storehouse.
The present invention also proposes a kind of vehicle scar information display system, including：Vehicle scar base management system and vehicle are hindered
Trace terminal display system；
The vehicle scar base management system, establishment, increase and deletion for scar information in vehicle scar storehouse；Receive
The inquiry request that vehicle scar terminal display system is sent, and corresponding scar information is inquired about according to vehicle code；
The vehicle scar terminal display system, for initiating enquiring vehicle scar to the vehicle scar base management system
The request of information, and the scar presentation of information that will be received is on the 3D models of vehicle correspondence vehicle.
In vehicle scar storehouse of the invention, vehicle code, vehicle and scar site information are only stored.With preservation image information
Prior art in compare, accelerate the speed that scar data are uploaded and downloaded, and then improve the efficiency that scar data are transferred, and
And saved hardware resource required during database purchase；Compared with the prior art for only preserving text information, scar is retouched
Art is more directly perceived and accurate.
Scheme 1, a kind of vehicle scar storehouse, it is characterised in that the position letter including all scars in vehicle code, correspondence vehicle
Breath；The vehicle code is the Identity Code of vehicle；
The positional information of all scars is interrelated in the corresponding vehicle of each vehicle code.
Scheme 2, the vehicle scar storehouse according to scheme 1, it is characterised in that the positional information of the scar, including scar institute
Numbering, the coordinate information of correspondence scar at vehicle body position.
Scheme 3, the vehicle scar storehouse according to scheme 2, it is characterised in that the coordinate information of the scar is：By scar institute
After curved surface orthographic projection to the three-dimensional vehicle coordinate system datum plane at vehicle body position, coordinate letter of the scar on correspondence perspective plane
Breath.
Scheme 4, the vehicle scar storehouse according to scheme 3, it is characterised in that the curved surface by vehicle body position where scar is just
To three-dimensional vehicle coordinate system datum plane, its method is for projection：
For the front portion of vehicle body, compare frontal plane of projection of the curved surface at the vehicle body position on two datum planes of vertical direction
Product, chooses that larger datum plane of frontal projected area, as the corresponding perspective plane in vehicle body position；By body forward structure
Curved surface orthographic projection is to the perspective plane；With same method, by the curved surface orthographic projection at rear, left and right three vehicle body positions to each right
The perspective plane answered；
For the top of vehicle body, horizontal direction datum plane is chosen as corresponding perspective plane, the curved surface at the top of vehicle body is just thrown
Shadow is to corresponding perspective plane.
Scheme 5, the vehicle scar storehouse according to scheme 1, it is characterised in that the positional information of the scar is the coordinate of scar
Information, its method is：After curved surface orthographic projection to the two-dimensional coordinate plane at vehicle body position where scar, scar is on correspondence perspective plane
On coordinate information.
Scheme 6, the vehicle scar storehouse according to scheme 5, it is characterised in that the curved surface by vehicle body position where scar is just
Project to two-dimensional coordinate plane, including：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；By the vehicle body after expansion it is forward and backward,
Left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
Scheme 7, the vehicle scar storehouse according to scheme 1, it is characterised in that the positional information of the scar is：By scar institute
Position map to same two-dimensional coordinate plane after the two-dimensional pixel point coordinates that obtains；Mapping letter employed in the mapping
Number is injective function.
Scheme 8, the vehicle scar storehouse according to scheme 3 or 5, it is characterised in that seat of the scar on correspondence perspective plane
Mark information is：Pixel point coordinates of the scar on correspondence perspective plane.
Scheme 9, the vehicle scar storehouse according to any one of scheme 2~4, it is characterised in that the numbering at the vehicle body position
For：Vehicle body position is divided into front, rear, left and right and 5, top curved surface, this 5 curved surfaces are numbered respectively, as correspondence vehicle body
The numbering at position.
Scheme 10, the vehicle scar storehouse according to any one of scheme 1~7, it is characterised in that also including with vehicle code phase
The vehicle information of association.
Scheme 11, a kind of vehicle scar base construction method, it is characterised in that including：
Step A1, obtains the vehicle code and vehicle information of vehicle；
Step A2, shoots vehicle body photo, and captured photo is numbered；
Step A3, the scar in identification vehicle body photo, obtains the numbering of photo where scar；
Step A4, according to the numbering of photo where vehicle information, scar, determines the positional information of scar；
Step A5, the vehicle code of vehicle, vehicle are associated with the positional information of all scars in the vehicle, constitute vehicle scar
Storehouse.
Scheme 12, the method according to scheme 11, it is characterised in that step A2 includes：
Step A21, for specific vehicle and camera parameter, different shooting areas is divided into according to default size by vehicle body
Domain；
Step A22, according to default cam movement speed, camera is moved around the horizontal endless that vehicle body is carried out at the uniform velocity,
And vehicle body is locally shot according to default filming frequency, to captured vehicle body, local photo is numbered.
Scheme 13, the method according to scheme 12, it is characterised in that the shooting area, are divided into a group or more of high
The different packet of degree；
If shooting area is the different packet of one group of level above, when camera horizontal movement returns to starting point in one week, by adjusting
The height or shooting angle of whole camera, shooting area is moved to the shooting area of another height, and repeat step A22 until institute
There is shooting area to be traversed.
Scheme 14, the method according to scheme 11, it is characterised in that the positional information of scar described in step A4, including wound
The coordinate information of the numbering at vehicle body position and scar where trace；
The numbering at the vehicle body position is：Vehicle body position is divided into front, rear, left and right and 5, top curved surface, to this 5 curved surfaces
Number respectively, as the numbering at correspondence vehicle body position；
The coordinate information of the scar is：Curved surface orthographic projection to the three-dimensional vehicle coordinate system benchmark at vehicle body position where scar is put down
Behind face, pixel point coordinates of the scar on correspondence perspective plane is obtained, as correspond to the coordinate information of scar.
Scheme 15, the method according to scheme 14, it is characterised in that the curved surface orthographic projection by vehicle body position where scar
To three-dimensional vehicle coordinate system datum plane, its method is：
For the front portion of vehicle body, compare frontal plane of projection of the curved surface at the vehicle body position on two datum planes of vertical direction
Product, chooses that larger datum plane of frontal projected area, as the corresponding perspective plane in vehicle body position, by body forward structure
Curved surface orthographic projection is to the perspective plane；With same method, by the curved surface orthographic projection at rear, left and right three vehicle body positions to each right
The perspective plane answered；
For the top of vehicle body, horizontal direction datum plane is chosen as corresponding perspective plane, the curved surface at the top of vehicle body is just thrown
Shadow is to corresponding perspective plane.
Scheme 16, the method according to scheme 11, it is characterised in that the positional information of scar is described in step A4：Will wound
After curved surface orthographic projection to the two-dimensional coordinate plane at vehicle body position where trace, pixel point coordinates of the scar on correspondence perspective plane, i.e.,
It is the positional information of correspondence scar.
Scheme 17, the method according to scheme 16, it is characterised in that the curved surface orthographic projection by vehicle body position where scar
To two-dimensional coordinate plane, its method is：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；By the vehicle body after expansion it is forward and backward,
Left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
Scheme 18, the method according to scheme 11, it is characterised in that the positional information of scar is described in step A4：Will wound
Position where trace maps to the two-dimensional pixel point coordinates obtained after same two-dimensional coordinate plane；Reflecting employed in the mapping
Function is penetrated for injective function.
Scheme 19, the method according to any one of scheme 11~18, it is characterised in that
Described vehicle code information is license plate number；
The vehicle code and vehicle information of vehicle are obtained described in step A1, its method is：
By way of information input window, or car plate is obtained by carrying out the method for image recognition to captured vehicle body photo
Number information；
By way of information input window, or vehicle is obtained by carrying out the method for image recognition to captured vehicle body photo
Information, or the vehicle information by inquiring about license plate number to transfer and prestoring.
Scheme 20, the method according to any one of scheme 11~18, it is characterised in that also updated including vehicle scar storehouse
Step, the step includes：
The positional information of the vehicle code, vehicle and current all scars of vehicle is obtained using step A1 to A4；
The positional information of acquired current all scars is contrasted with the positional information of all scars for being stored before,
Method using step A5 if in the presence of the positional information of newly-increased scar increases the positional information of scar, is deleted if having scar to disappear
Except the positional information of corresponding scar.
Scheme 21, a kind of vehicle scar method for information display, it is characterised in that based on the vehicle any one of scheme 1~7
Scar storehouse, according to the vehicle code information of institute's input vehicle, obtains the positional information of all scars of the vehicle；By the coordinate of scar
Back projection corresponds on the 3D models of vehicle to the vehicle；The 3D models use complete with the scar coordinate information in vehicle scar storehouse
Identical coordinate system.
Scheme 22, a kind of vehicle scar information display system, it is characterised in that including：Vehicle scar base management system and vehicle
Scar terminal display system；
The vehicle scar base management system, establishment, increase and deletion for scar information in vehicle scar storehouse；Receive vehicle
The inquiry request that scar terminal display system is sent, and corresponding scar information is inquired about according to vehicle code；
The vehicle scar terminal display system, for initiating enquiring vehicle scar information to the vehicle scar base management system
Request, and the scar presentation of information that will be received the vehicle correspondence vehicle 3D models on.
Brief description of the drawings
Fig. 1 is the vehicle axis system used in the present embodiment；
Fig. 2 is the structure schematic flow sheet in vehicle scar storehouse in the present embodiment.
Specific embodiment
The preferred embodiment of the present invention described with reference to the accompanying drawings.It will be apparent to a skilled person that this
A little implementation methods are used only for explaining know-why of the invention, it is not intended that limit the scope of the invention.
When the present invention drives to solve valet parking, generation, carries out the related services such as energy supplement for visitor, because replacing driver
Drive the imputation decision problem of involved vehicle scar in vehicle service and propose, detection, record for vehicle scar
And displaying.
The positional information of all scars in a kind of vehicle scar storehouse of the invention, including license plate number, the correspondence vehicle of vehicle；
The positional information of all scars is interrelated in the corresponding vehicle of each license plate number；Because same car there may be multiple wound
Trace, so each license plate number may associate the positional information of one or more scars.
In the present embodiment, the numbering at vehicle body position, the seat of correspondence scar where the positional information of the scar, including scar
Mark information.
In the present embodiment, the coordinate information of the scar is：By the curved surface orthographic projection at vehicle body position where scar to vehicle
After three-dimensional system of coordinate datum plane, coordinate information of the scar on correspondence perspective plane.
In the present embodiment, as shown in figure 1, can be described by scar institute using the vehicle axis system in ISO4130-1978
Vehicle body position curved surface orthographic projection to three-dimensional vehicle coordinate system datum plane, specially：
For the front portion of vehicle body, compare two datum plane (the X datum planes of the curved surface in vertical direction at the vehicle body position
With Y datum planes) on frontal projected area, choose larger that datum plane (X datum planes) of frontal projected area, as
The corresponding perspective plane in vehicle body position；By the curved surface orthographic projection of body forward structure to the perspective plane；With same method, will after, it is left,
Right three curved surface orthographic projections at vehicle body position to each self-corresponding perspective plane (the corresponding perspective plane of body tail is X datum planes,
The left and right corresponding perspective plane of vehicle body is Y datum planes)；
For the top of vehicle body, horizontal direction datum plane (Z datum planes) is chosen as corresponding perspective plane, by vehicle body
The curved surface orthographic projection at top is to corresponding perspective plane.
In the present embodiment, the positional information of the scar is the coordinate information of scar, specially：By automobile body part where scar
After curved surface orthographic projection to the two-dimensional coordinate plane of position, coordinate information of the scar on correspondence perspective plane.
In the present embodiment, the curved surface orthographic projection by vehicle body position where scar to two-dimensional coordinate plane, specific method
For：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；Before by the vehicle body after expansion,
Afterwards, left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
In the present embodiment, the positional information of the scar is：Three dimensional space coordinate position where scar is mapped to together
The two-dimensional pixel point coordinates obtained after one two-dimensional coordinate plane；Mapping function employed in the mapping is injective function.
The injective function, if function f is by the mapping of set A to set B, if all unequal units in set A
Element, being mapped in set B can obtain unequal value, such as x, y ∈ A, and x ≠ y, obtain f (x) ≠ f (y), then claim f to serve as reasons
The injective function of A to B.
In the present embodiment, coordinate information of the scar on correspondence perspective plane is：Picture of the scar on correspondence perspective plane
Vegetarian refreshments coordinate.
In the present embodiment, the numbering at the vehicle body position is：Vehicle body position is divided into front, rear, left and right and 5, top
This 5 curved surfaces are numbered by curved surface respectively, used as the numbering at correspondence vehicle body position.
In the present embodiment, the vehicle scar storehouse, also the vehicle information including being associated with license plate number.
The present invention also proposes a kind of vehicle scar base construction method, according to camera parameter or pre-set dimension by bodywork surface
Several zonules are divided into, camera often shoots a photo in vehicle body rotation process, just corresponds to a cell
Domain；According to coordinate of the scar in photo is corresponded to, and the numbering for corresponding to photo, you can learn specific position of the scar on vehicle body
Put；Coordinate value of the scar on the perspective plane in this position orthographic projection to selected perspective plane, will be obtained again.
By the way of zonule divides and takes pictures be in the present embodiment vehicle body station diagram piece in order to obtain high-resolution and
Vehicle body position is shot in space as limited as possible, if take pictures definition and shoot space can meet demand,
Overall shooting can also be carried out to each vehicle body position.
Specific steps as shown in Fig. 2 including：
Step A1, obtains the license plate number and vehicle information of vehicle；
Step A2, shoots vehicle body photo, and captured photo is numbered；
Step A3, the scar in identification vehicle body photo, obtains the numbering of photo where scar；
Step A4, according to the numbering of photo where vehicle information, scar, determines the positional information of scar；
Step A5, the license plate number of vehicle, vehicle are associated with the positional information of all scars in the vehicle, constitute vehicle wound
Trace storehouse.
In the present embodiment, step A2 is specifically included：
Step A21, for specific vehicle and camera parameter, different bats is divided into according to default size by vehicle body
Take the photograph region；
Step A22, according to default cam movement speed, camera is transported around the horizontal endless that vehicle body is carried out at the uniform velocity
It is dynamic, and vehicle body is locally shot according to default filming frequency, to captured vehicle body, local photo is numbered.
In the present embodiment, the shooting area is divided into a group or more of highly different packets；If shooting area is
The different packet of one group of level above, when camera horizontal movement returns to starting point in one week, by adjust camera height or
Shooting angle, shooting area is moved to the shooting area of another height, and repeat step A22 until all shooting areas quilt time
Go through.
In the present embodiment, the numbering and wound at vehicle body position where the positional information of scar described in step A4, including scar
The coordinate information of trace；
The numbering at the vehicle body position is：Vehicle body position is divided into front, rear, left and right and 5, top curved surface, to this 5
Curved surface is numbered respectively, used as the numbering at correspondence vehicle body position；
The coordinate information of the scar, specially：The curved surface orthographic projection at vehicle body position where scar to three-dimensional vehicle is sat
After mark system datum plane, pixel point coordinates of the scar on correspondence perspective plane is obtained, as correspond to the coordinate information of scar.
In the present embodiment, curved surface orthographic projection to the three-dimensional vehicle coordinate system benchmark by vehicle body position where scar is put down
Face, specific method is：
For the front portion of vehicle body, compare orthographic projection of the curved surface at the vehicle body position on two datum planes of vertical direction
Area, chooses that larger datum plane of frontal projected area, as the corresponding perspective plane in vehicle body position, by body forward structure
Curved surface orthographic projection to the perspective plane；With same method, by the curved surface orthographic projection at rear, left and right three vehicle body positions to respective
Corresponding perspective plane；
For the top of vehicle body, horizontal direction datum plane is chosen as corresponding perspective plane, by the curved surface at the top of vehicle body
Orthographic projection is to corresponding perspective plane.
In the present embodiment, the positional information of scar described in step A4, specially：
After curved surface orthographic projection to the two-dimensional coordinate plane at vehicle body position where scar, picture of the scar on correspondence perspective plane
Vegetarian refreshments coordinate, as corresponds to the positional information of scar.
In the present embodiment, the curved surface orthographic projection by vehicle body position where scar to two-dimensional coordinate plane, specific method
For：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；Before by the vehicle body after expansion,
Afterwards, left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
In the present embodiment, the positional information of scar is described in step A4：Position where scar is mapped to same
The two-dimensional pixel point coordinates obtained after two-dimensional coordinate plane；Mapping function employed in the mapping is injective function.
In the present embodiment, the license plate number and vehicle information of vehicle are obtained described in step A1, specific method is：
By way of information input window, or obtained by carrying out the method for image recognition to captured vehicle body photo
License plate number information；
By way of information input window, or obtained by carrying out the method for image recognition to captured vehicle body photo
Vehicle information, or the vehicle information by inquiring about license plate number to transfer and prestoring.
Described information input window is the routine window input mode such as word input window or phonetic entry window.
In the present embodiment, the vehicle scar base construction method, the step of also renewal including vehicle scar storehouse, specific bag
Include：
The positional information of the license plate number, vehicle and current all scars of vehicle is obtained using step A1 to A4；
The positional information of acquired current all scars is carried out with the positional information of all scars for being stored before
Contrast, the method using step A5 if in the presence of the positional information of newly-increased scar increases the positional information of scar, if scar disappears
Then delete the positional information of corresponding scar.
In the present embodiment, if not detecting vehicle scar, also to be stored in scar storehouse the vehicle license plate number and
Vehicle information, the scar site information for simply associating is sky.
The present invention also proposes a kind of vehicle scar method for information display, and based on described vehicle scar storehouse, foundation is input into
The license plate number information of vehicle, obtains the positional information of all scars of the vehicle；By the coordinate back projection of scar to vehicle correspondence
On the 3D models of vehicle；The 3D models use identical coordinate system with the scar coordinate information in vehicle scar storehouse.
The back projection, refers to scar coordinate from corresponding perspective plane, with perpendicular to the side on correspondence perspective plane
To projecting corresponding vehicle body position on 3D models.
The present invention also proposes a kind of vehicle scar information display system, including：Vehicle scar base management system and vehicle are hindered
Trace terminal display system；
The vehicle scar base management system, establishment, increase and deletion for scar information in vehicle scar storehouse；Receive
The inquiry request that vehicle scar terminal display system is sent, and corresponding scar information is inquired about according to license plate number；
The vehicle scar terminal display system, for initiating enquiring vehicle scar to the vehicle scar base management system
The request of information, and the scar presentation of information that will be received is on the 3D models of vehicle correspondence vehicle.
License plate number in embodiments above using vehicle carries out vehicle unique identity as vehicle code, certainly
Vehicle unique identity can be carried out using the vehicle code of other forms, such as with the unique corresponding number of vehicle license plate number
The coding of the combining form of word or letter or numeral and letter, or other are for the coding form of testing vehicle register identification；By
In testing vehicle register identification and testing vehicle register coding techniques be mature technology in vehicle identification field, herein no longer to adoptable
Vehicle code form and corresponding testing vehicle register identification method are enumerated one by one, and also no longer its technical implementation way is entered
Row launches explanation.
Those skilled in the art should be able to recognize that, the side of each example described with reference to the embodiments described herein
Method step, can be realized with electronic hardware, computer software or the combination of the two, in order to clearly demonstrate electronic hardware and
The interchangeability of software, generally describes the composition and step of each example according to function in the above description.These
Function is performed with electronic hardware or software mode actually, depending on the application-specific and design constraint of technical scheme.
Those skilled in the art can realize described function to each specific application using distinct methods, but this reality
Now it is not considered that beyond the scope of this invention.
So far, combined preferred embodiment shown in the drawings describes technical scheme, but, this area
Technical staff is it is easily understood that protection scope of the present invention is expressly not limited to these specific embodiments.Without departing from this
On the premise of the principle of invention, those skilled in the art can make equivalent change or replacement to correlation technique feature, these
Technical scheme after changing or replacing it is fallen within protection scope of the present invention.
Claims (10)
1. a kind of vehicle scar storehouse, it is characterised in that the positional information including all scars in vehicle code, correspondence vehicle；Institute
State the Identity Code that vehicle code is vehicle；
The positional information of all scars is interrelated in the corresponding vehicle of each vehicle code.
2. vehicle scar storehouse according to claim 1, it is characterised in that the positional information of the scar, including scar institute
Numbering, the coordinate information of correspondence scar at vehicle body position.
3. vehicle scar storehouse according to claim 2, it is characterised in that the coordinate information of the scar is：By scar institute
After curved surface orthographic projection to the three-dimensional vehicle coordinate system datum plane at vehicle body position, coordinate letter of the scar on correspondence perspective plane
Breath.
4. vehicle scar storehouse according to claim 3, it is characterised in that the curved surface by vehicle body position where scar is just
To three-dimensional vehicle coordinate system datum plane, its method is for projection：
For the front portion of vehicle body, compare frontal plane of projection of the curved surface at the vehicle body position on two datum planes of vertical direction
Product, chooses that larger datum plane of frontal projected area, as the corresponding perspective plane in vehicle body position；By body forward structure
Curved surface orthographic projection is to the perspective plane；With same method, by the curved surface orthographic projection at rear, left and right three vehicle body positions to each right
The perspective plane answered；
For the top of vehicle body, horizontal direction datum plane is chosen as corresponding perspective plane, the curved surface at the top of vehicle body is just thrown
Shadow is to corresponding perspective plane.
5. vehicle scar storehouse according to claim 1, it is characterised in that the positional information of the scar is the coordinate of scar
Information, its method is：After curved surface orthographic projection to the two-dimensional coordinate plane at vehicle body position where scar, scar is on correspondence perspective plane
On coordinate information.
6. vehicle scar storehouse according to claim 5, it is characterised in that the curved surface by vehicle body position where scar is just
Project to two-dimensional coordinate plane, including：
The curved surface at the 4 vehicle body positions in front, rear, left and right of vehicle body is launched in the horizontal direction；By the vehicle body after expansion it is forward and backward,
Left and right 4 curved surface orthographic projections to vertical direction same two-dimensional coordinate plane；
By the two-dimensional coordinate plane of the top curve surface orthographic projection of vehicle body to horizontal direction.
7. vehicle scar storehouse according to claim 1, it is characterised in that the positional information of the scar is：By scar institute
Position map to same two-dimensional coordinate plane after the two-dimensional pixel point coordinates that obtains；Mapping letter employed in the mapping
Number is injective function.
8. the vehicle scar storehouse according to claim 3 or 5, it is characterised in that seat of the scar on correspondence perspective plane
Mark information is：Pixel point coordinates of the scar on correspondence perspective plane.
9. the vehicle scar storehouse according to any one of claim 2~4, it is characterised in that the numbering at the vehicle body position
For：Vehicle body position is divided into front, rear, left and right and 5, top curved surface, this 5 curved surfaces are numbered respectively, as correspondence vehicle body
The numbering at position.
10. the vehicle scar storehouse according to any one of claim 1~7, it is characterised in that also including with vehicle code phase
The vehicle information of association.
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| CN201710056624.9A CN106934345B (en) | 2017-01-25 | 2017-01-25 | Vehicle flaw library and construction method thereof, and vehicle flaw information display method and system |
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| CN201710056624.9A CN106934345B (en) | 2017-01-25 | 2017-01-25 | Vehicle flaw library and construction method thereof, and vehicle flaw information display method and system |
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