CN106872181A - One kind removes condensate method for testing performance and device - Google Patents
One kind removes condensate method for testing performance and device Download PDFInfo
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- CN106872181A CN106872181A CN201710073026.2A CN201710073026A CN106872181A CN 106872181 A CN106872181 A CN 106872181A CN 201710073026 A CN201710073026 A CN 201710073026A CN 106872181 A CN106872181 A CN 106872181A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The present invention provides a kind of except condensate method for testing performance and device, and the method includes：The target image of target area of the collection comprising target glass；Obtain the profile diagram of frozen-free object area in target area described in the target image；The profile diagram of the frozen-free object area is shown, so as to user removes condensation physical performance to automobile according to the profile diagram be estimated.It is provided in an embodiment of the present invention except condensate method for testing performance, the profile diagram of frozen-free object area in target area can be gathered within continuous time, and the profile diagram of collection is more accurate relative to existing hand-drawn outline figure, the degree of accuracy that automobile removes condensate performance test results is improve.
Description
Technical field
It is more particularly to a kind of to remove condensate method for testing performance and device the present invention relates to automobile technical field.
Background technology
With the improvement of people ' s living standards, automobile turns into people's indispensable vehicles of trip.Relatively trembled with fear in weather
When cold, fog is easily produced on vehicle glass, the visual field that driver or occupant are easily caused when fog is more is subject to
Influence, shadow is so as to ring the security for driving, it is seen then that the fog removal performance of automobile has important influence to the security for driving.
Need to be removed automobile condensate experiment in automotive performance development process, for example, demisting and defrosting test.
The experiment of existing removal vehicle glass condensate is mainly by the way that in process of the test, testing crew is at regular intervals in automobile
Windscreen and automobile door glass on describe condensate removed region with pen, the area in region is then removed to condensate
Estimated, so as to the performance to automobile removal condensate is estimated.But, this mode of operation can not obtain consecutive hours
Between the removed data of condensate, in process of the test obtain data accuracy it is relatively low so that influence automobile remove condensation physical property
The testing result of energy.
The content of the invention
The purpose of the embodiment of the present invention is to provide a kind of except condensate method for testing performance and device, solves existing removing
The low problem of data accuracy of condensate method for testing performance detection.
In order to achieve the above object, the embodiment of the present invention provides a kind of except condensate method for testing performance, including：
The target image of target area of the collection comprising target glass；
Obtain the profile diagram of frozen-free object area in target area described in the target image；
The profile diagram of the frozen-free object area is shown, so that user removes condensation physical performance to automobile according to the profile diagram
It is estimated.
The embodiment of the present invention also provides a kind of except condensate device for detecting performance, including：
Acquisition module, the target image for gathering the target area comprising target glass；
Acquisition module, the profile diagram for obtaining frozen-free object area in target area described in the target image；
Display module, the profile diagram for showing the frozen-free object area so that user according to the profile diagram to vapour
Car is estimated except condensation physical performance.
In the embodiment of the present invention, the target image of target area of the collection comprising target glass；Obtain the target image
Described in target area frozen-free object area profile diagram；The profile diagram of the frozen-free object area is shown, so that user's root
According to the profile diagram to automobile except condensation physical performance is estimated.So, nothing in target area can be gathered within continuous time
The profile diagram of object area is condensed, and the profile diagram of collection is more accurate relative to existing hand-drawn outline figure, improves automobile removal cold
The degree of accuracy of condensate performance test results.
Brief description of the drawings
Fig. 1 is provided in an embodiment of the present invention a kind of except condensate method for testing performance flow chart；
Fig. 2 is provided in an embodiment of the present invention another except condensate method for testing performance flow chart；
Fig. 3 is provided in an embodiment of the present invention a kind of except condensate device for detecting performance figure；
Fig. 4 is provided in an embodiment of the present invention another except condensate device for detecting performance figure；
Fig. 5 is provided in an embodiment of the present invention another except condensate device for detecting performance figure；
Fig. 6 is provided in an embodiment of the present invention another except condensate device for detecting performance figure.
Specific embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
As shown in figure 1, Fig. 1 is provided in an embodiment of the present invention a kind of except condensate method for testing performance flow chart, including
Following steps：
The target image of the target area of step S101, collection comprising target glass.
In this step, above-mentioned target glass can need detection except the glass of the automobile of condensation physical performance, for example, vapour
The front windshield of car, main driving automobile door glass and copilot automobile door glass etc..
Above-mentioned target area can be the whole region of target glass, for example, main driving automobile door glass region, copilot car
Door glass region；Target area can also be the subregion in target glass, for example, the main driving field of vision of front windshield
Domain, copilot area of visual field of front windshield etc..During experiment, the mesh of target glass can be gathered by camera
The target image in region is marked, so, can be with Real-time Collection target image, such that it is able to obtain the change of target image in real time.Should
In embodiment, target glass can include multiple glass, it is possible to use multiple cameras gather the figure of multiple target glass simultaneously
Picture, to testing equipment, testing equipment can be using multiple passages to many for the image transmitting that be able to will be gathered by image pick-up card
The image of individual target area is processed simultaneously.For example, the trizonal image in automobile is gathered using three cameras, and
The image of collection is processed and displayed to image respectively by five passages.
Step S102, the profile diagram for obtaining frozen-free object area in target area described in the target image.
In this step, the target image that will can be collected is processed, and multiple pictures can be processed, so that
The profile diagram of frozen-free object area in target area in target image is obtained, above-mentioned condensate can be mist and/or frost etc..Nothing
Condensation object area can be the region that condensate is removed during current test, and the profile diagram can be frozen-free object area
The contour line shown in target glass with the line of demarcation for having condensation object area, can be processed by image, obtain nothing
Condense the profile diagram of object area.For example, carrying out two-value treatment to image, frozen-free object area profile diagram is obtained；And for example, to image
Frozen-free object area be filled, according to frozen-free object area and have condensate field color contrast obtain frozen-free thing
The profile diagram in region.
Step S103, the profile diagram for showing the frozen-free object area, so that user removes according to the profile diagram to automobile
Condensation physical performance is estimated.
In this step, the profile diagram of frozen-free object area is shown, so, user can be according to frozen-free object area profile
The area of figure estimation frozen-free object area, and frozen-free object area area accounts for the ratio of target area area, so as to assess vapour
Car is except the performance of condensate.For example, when Defroster device for vehicle experiment carries out 20 minutes, showing in the moment main driving area of visual field without cold
The profile diagram in condensate region, user can estimate that frozen-free object area area accounts for the area of main driving area of visual field according to profile diagram
Ratio, and the area ratio and standard ratio contrast are obtained into comparing result, it is estimated so as to remove condensation physical performance to automobile.
The embodiment of the present invention can apply to the testing equipment with camera head except condensate method for testing performance, should
Testing equipment includes：Computer, panel computer (Tablet Personal Computer) etc..
The embodiment of the present invention, the target image of target area of the collection comprising target glass；In obtaining the target image
The profile diagram of frozen-free object area in the target area；Show the profile diagram of the frozen-free object area so that user according to
The profile diagram is to automobile except condensation physical performance is estimated.So, can be gathered in target area without cold within continuous time
The profile diagram in condensate region, and the profile diagram of collection is more accurate, is conducive to automobile to remove the detection of condensation physical performance.
As shown in Fig. 2 Fig. 2 is provided in an embodiment of the present invention another except condensate method for testing performance flow chart.Bag
Include following steps：
The target image of the target area of step S201, collection comprising target glass.
In this step, above-mentioned target glass can need detection except the glass of the automobile of condensation physical performance, for example, vapour
The front windshield of car, main driving automobile door glass and copilot automobile door glass etc..
Above-mentioned target area can be the whole region of target glass, for example, main driving automobile door glass region, copilot car
Door glass region；Target area can also be the subregion in target glass, for example, the main driving field of vision of front windshield
Domain, copilot area of visual field of front windshield etc..During experiment, the mesh of target glass can be gathered by camera
The target image in region is marked, so, can be with Real-time Collection target image, such that it is able to obtain the change of target image in real time.Should
In embodiment, target glass can include multiple glass, it is possible to use multiple cameras gather the figure of multiple target glass simultaneously
Picture, to testing equipment, testing equipment can be using multiple passages to many for the image transmitting that be able to will be gathered by image pick-up card
The image of individual target area is processed simultaneously.For example, the trizonal image in automobile is gathered using three cameras, and
The image of collection is processed and displayed to image respectively by five passages.
Step S202, the target area extracted in the target image, obtain the target area of the target area
Image.
In this step, when whole region of the target area for target glass, for example, main driving automobile door glass region,
Copilot automobile door glass region, can obtain the bounding box features of target glass, by the whole region of target glass in target image
Extract, obtain target area image.When subregion of the target area for target glass, for example, front windshield
The copilot area of visual field of main driving area of visual field, front windshield, due to the subregion and other areas of target glass
Domain does not have obvious distinguishing characteristics, can be marked in target glass in advance, makes the target area of target glass and target
Other regions of glass possess distinguishing characteristics, such that it is able to extract target area according to the distinguishing characteristics.For example, it is desired to before obtaining
During windshield main driving area of visual field, there can be the adhesive tape of notable difference to the area using with windshield color before the test
Domain is marked, and testing equipment is processed target image according to the mark, target area is extracted, so as to obtain target area
Image.
Optionally, the target area extracted in the target image, obtains the target area of the target area
Area image, including：
Recognize the edge feature of target area described in the target image；
The target area in the target image according to the Edge Gradient Feature, obtains the mesh of the target area
Mark area image.
In the step, when target area has obvious edge feature, for example, main driving automobile door glass region and front
Wind glassy zone etc., the color at target area edge has notable difference relative to the color in other regions, can recognize target area
The edge feature in domain, according to Edge Gradient Feature target area, so as to obtain target area image, target area image can be
The image of target area is only included in target image.When target area does not possess obvious edge feature, for example, working as target
When region is front windshield main driving area of visual field and copilot area of visual field, do not possess obvious edge due to target area
Feature, can add and marks at target area edge in advance before detection, possesses the edge of target area and is different from other areas
The feature in domain, so that the edge feature of testing equipment identification object region, is processed target image, and then obtains target
Area image.
In this embodiment, target area is extracted by the edge feature of identification object region, so as to obtain target
Area image, so, can obtain the ratio of the area relative to the area of target area of frozen-free thing in target area, can be with
Improve the accuracy of detection.In addition, when target area does not possess obvious edge feature, can be in any area of target glass
Domain addition mark, makes target area possess edge feature, and the flexibility of detection is preferable.
Step S203, two-value treatment is carried out to the target area image, obtain frozen-free thing area in the target area
The profile diagram in domain.
In this step, the target area image of extraction can be carried out two-value treatment, so as to obtain target area image
The profile diagram of middle frozen-free object area, above-mentioned condensate can be mist and/or frost etc..Frozen-free object area can be current
The region of condensate is removed in process of the test, the profile diagram can be frozen-free object area and the line of demarcation for having condensation object area
The contour line shown in target glass, can carry out two-value treatment by image, after two-value treatment, the nothing in image
Condensation object area is obvious with the contrast for having condensation object area, such that it is able to obtain the profile diagram of frozen-free object area.
Step S204, the profile diagram for showing the frozen-free object area, so that user removes according to the profile diagram to automobile
Condensation physical performance is estimated.
In this step, the profile diagram of frozen-free object area is shown, so, user can be according to frozen-free object area profile
The area of figure estimation frozen-free object area, and frozen-free object area area accounts for the ratio of target area area, so as to assess vapour
Car is except the performance of condensate.For example, when Defroster device for vehicle experiment carries out 20 minutes, showing in the moment main driving area of visual field without cold
The profile diagram in condensate region, user can estimate that frozen-free object area area accounts for the area of main driving area of visual field according to profile diagram
Ratio, and the area ratio and standard ratio contrast are obtained into comparing result, it is estimated so as to remove condensation physical performance to automobile.
Optionally, obtained in the target area after the profile diagram of frozen-free object area, in the display institute described
Before stating the profile diagram of frozen-free object area, methods described also includes：
According to the profile diagram calculating frozen-free object area area of frozen-free object area in the target area, and according to
The edge feature of the target area calculates the target area area；
The ratio that the frozen-free object area area accounts for the target area area is calculated, so that user uses the ratio
Comparing result is obtained with pre-set ratio contrast, and condensation physical performance is removed to the automobile using the comparing result and be estimated.
In the step, the area of frozen-free object area, i.e. area shared by the removed region of condensate, Yi Jiji are calculated
The area of target area is calculated, so that the area for calculating frozen-free object area accounts for the ratio of target area area, so, user can be with
Contrasted with default standard ratio using the ratio, be estimated so as to remove condensation physical performance to automobile.For example, automobile is removed
When frost experiment carries out 20 minutes, calculate frozen-free object area area in the moment main driving area of visual field and account for main driving field of vision
The ratio of domain area is 90%, if standard ratio is 80%, can evaluate Defroster device for vehicle better performances.
In this embodiment, calculate frozen-free object area area and account for the ratio of target area area, make user can so that
Contrasted with the ratio and preset standard ratio and obtain comparing result, mode of operation is simple, the continuity of data is preferable, and data
The degree of accuracy is high, it is possible to increase to automobile except the degree of accuracy of condensate Performance Evaluation.
Optionally, the target area includes front windshield region, the front windshield main driving visual field of the automobile
Region, front windshield copilot area of visual field, main driving automobile door glass region and copilot automobile door glass region.
In this embodiment, target area can be the whole region of the front windshield of automobile；It can be front windshield
The main driving area of visual field of glass, because the region does not possess obvious edge feature, can add and glass face before detection
The different obvious signature of aberration, so that testing equipment recognizes the region；Can be the copilot area of visual field of front windshield,
Because the region does not possess obvious edge feature, can add before detection with the obvious signature of glass colour difference,
So that testing equipment recognizes the region；Target area can also be the whole region and copilot car door glass of main driving automobile door glass
The whole region of glass.
In this embodiment, to automobile front windshield region, front windshield main driving area of visual field, front windshield
Glass copilot area of visual field, main driving automobile door glass region and copilot automobile door glass region carry out IMAQ and treatment,
And obtain the data such as the profile diagram and area of frozen-free thing in these regions, detection it is with strong points, the degree of accuracy is higher, Ke Yiti
High detection efficiency.
The embodiment of the present invention extracts target area on the basis of the corresponding embodiments of Fig. 1, obtains target area image,
Two-value treatment is carried out to target area image, the profile diagram of frozen-free object area in target area is obtained, so, mesh can be checked
During mark area image, can more intuitively check that frozen-free object area area accounts for the area ratio of target area, so as to vapour
Car is estimated except condensation physical performance.
As shown in figure 3, Fig. 3 is provided in an embodiment of the present invention a kind of except condensate device for detecting performance 300, except condensate
Device for detecting performance 300 includes：Acquisition module 301, acquisition module 302 and display module 303, wherein：
Acquisition module 301, the target image for gathering the target area comprising target glass；
Acquisition module 302, the profile diagram for obtaining frozen-free object area in target area described in the target image；
Display module 303, the profile diagram for showing the frozen-free object area, so that user is according to the profile diagram pair
Automobile is estimated except condensation physical performance.
Optionally, as shown in figure 4, the acquisition module 302 includes：
Extraction unit 3021, for extracting the target area in the target image, obtains the target area
Target area image；
Acquiring unit 3022, two-value treatment is carried out to the target area image, obtains frozen-free in the target area
The profile diagram of object area.
Optionally, as shown in figure 5, the extraction unit 3021 includes：
Identification subelement 30211, the edge feature for recognizing target area described in the target image；
Extract subelement 30212, for the target image according to the Edge Gradient Feature in the target area,
Obtain the target area image of the target area.
Optionally, as shown in fig. 6, described device 300 also includes：
First computing module 304, the nothing is calculated for the profile diagram according to frozen-free object area in the target area
Condensate region area, and according to the edge feature calculating target area area of the target area；
Second computing module 305, the ratio of the target area area is accounted for for calculating the frozen-free object area area,
So that user is contrasted using the ratio with pre-set ratio obtains comparing result, and the automobile is removed using the comparing result
Condensation physical performance is estimated.
Optionally, the target area includes front windshield region, the front windshield main driving visual field of the automobile
Region, front windshield copilot area of visual field, main driving automobile door glass region and copilot automobile door glass region.
It is above-mentioned to be set except condensate device for detecting performance 300 can apply to the detection with camera head in the present embodiment
Standby, the testing equipment includes：Computer, panel computer (Tablet Personal Computer) etc..
Except condensate device for detecting performance 300 can apply to testing equipment reality in the corresponding embodiments of the method for Fig. 1 to Fig. 2
Each existing process, and identical beneficial effect is reached, to avoid repeating, repeat no more here.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
Should be regarded as protection scope of the present invention.
Claims (10)
1. it is a kind of to remove condensate method for testing performance, it is characterised in that including：
The target image of target area of the collection comprising target glass；
Obtain the profile diagram of frozen-free object area in target area described in the target image；
The profile diagram of the frozen-free object area is shown, so as to user removes condensation physical performance to automobile according to the profile diagram carry out
Assessment.
2. the method for claim 1, it is characterised in that nothing in target area described in the acquisition target image
The profile diagram of object area is condensed, including：
The target area in the target image is extracted, the target area image of the target area is obtained；
Two-value treatment is carried out to the target area image, the profile diagram of frozen-free object area in the target area is obtained.
3. method as claimed in claim 2, it is characterised in that the target area in the extraction target image,
The target area image of the target area is obtained, including：
Recognize the edge feature of target area described in the target image；
The target area in the target image according to the Edge Gradient Feature, obtains the target area of the target area
Area image.
4. method as claimed in claim 3, it is characterised in that obtain frozen-free object area in the target area described
After profile diagram, before the profile diagram of the display frozen-free object area, methods described also includes：
Profile diagram according to frozen-free object area in the target area calculates the frozen-free object area area, and according to described
The edge feature of target area calculates the target area area；
Calculate the ratio that the frozen-free object area area accounts for the target area area so that user using the ratio with it is pre-
If ratio contrast obtain comparing result, and using the comparing result to the automobile except condensation physical performance be estimated.
5. the method as described in claim any one of 1-4, it is characterised in that the target area includes the front of the automobile
Wind glassy zone, front windshield main driving area of visual field, front windshield copilot area of visual field, main driving automobile door glass area
Domain and copilot automobile door glass region.
6. it is a kind of to remove condensate device for detecting performance, it is characterised in that including：
Acquisition module, the target image for gathering the target area comprising target glass；
Acquisition module, the profile diagram for obtaining frozen-free object area in target area described in the target image；
Display module, the profile diagram for showing the frozen-free object area, so that user removes according to the profile diagram to automobile
Condensation physical performance is estimated.
7. device as claimed in claim 6, it is characterised in that the acquisition module includes：
Extraction unit, for extracting the target area in the target image, obtains the target area of the target area
Image；
Acquiring unit, two-value treatment is carried out to the target area image, obtains frozen-free object area in the target area
Profile diagram.
8. device as claimed in claim 7, it is characterised in that the extraction unit includes：
Identification subelement, the edge feature for recognizing target area described in the target image；
Extract subelement, for the target image according to the Edge Gradient Feature in the target area, obtain described
The target area image of target area.
9. device as claimed in claim 8, it is characterised in that described device also includes：
First computing module, the frozen-free thing area is calculated for the profile diagram according to frozen-free object area in the target area
Domain area, and according to the edge feature calculating target area area of the target area；
Second computing module, the ratio of the target area area is accounted for for calculating the frozen-free object area area, to use
Family is contrasted using the ratio and pre-set ratio and obtains comparing result, and removes condensate to the automobile using the comparing result
Performance is estimated.
10. the device as described in claim any one of 6-9, it is characterised in that before the target area includes the automobile
Windshield region, front windshield main driving area of visual field, front windshield copilot area of visual field, main driving automobile door glass
Region and copilot automobile door glass region.
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| CN201710073026.2A CN106872181A (en) | 2017-02-10 | 2017-02-10 | One kind removes condensate method for testing performance and device |
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| CN201710073026.2A CN106872181A (en) | 2017-02-10 | 2017-02-10 | One kind removes condensate method for testing performance and device |
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