CN103617755A - Test result generation unit and device - Google Patents
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- CN103617755A CN103617755A CN201310697207.4A CN201310697207A CN103617755A CN 103617755 A CN103617755 A CN 103617755A CN 201310697207 A CN201310697207 A CN 201310697207A CN 103617755 A CN103617755 A CN 103617755A
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Abstract
The invention discloses a test result generation unit and device and is applied to a preset standard line library. The preset standard line library comprises standard lines. The method comprises the following steps: receiving a test instruction comprising test item identifiers; obtaining the standard lines corresponding to the test item identifiers from the standard line library; obtaining test images corresponding to the test item identifiers, wherein the test images comprise test targets; generating test results of the test targets according to the standard lines and the test images. In the prior art, the test process of the test targets is artificially judged, and the influence of artificial subjective factors is relatively high in judgment standards. According to the method provided by the invention, the standard lines and the test images are obtained and the test results of the test targets are generated according to the standard lines and the test images, so that the artificial judgment in the test process is avoided, the error generated in the subjective judgment process can be effectively removed, and the accuracy of the test results is improved.
Description
Technical field
The application relates to technical field of image processing, especially a kind of test result generation unit and device.
Background technology
According to relevant laws and regulations regulation, on public transport road, steering vehicle must possess vehicle drive qualification, to the driving test that needs to be correlated with before the authentication of this qualification and license.In described test process, need tested personnel to make relevant regulations test action according to content measurement, examination personnel make judge according to relevant evaluation standard to described various driver behaviors.Wherein, described test action comprises reversing warehouse-in, side parking, curve driving etc.; Described evaluation criterion must not comprise line ball, must not roll edge line away from, not according to fixed course, travel, not according to fixing speed, travel etc.
Existing driving test needs artificially the travel route of vehicle to be judged, and then generates test result.The mode of described artificial generation judged result, comprises more subjective factor in criterion, the judged result accuracy of generation is lower.
Summary of the invention
In view of this, the application provides a kind of test result generation unit and device, in order to solve the artificial mode that generates judged result in prior art, comprises more subjective factor, the lower problem of judged result accuracy of generation in criterion.The technical scheme that the application provides is as follows:
A kind of test result generation method, the standard lines storehouse that is applied to set in advance, described standard lines includes standard lines in storehouse, and described method comprises:
Receive test instruction, wherein, in described test instruction, comprise test event sign;
In described standard lines storehouse, obtain with described test event and identify corresponding standard lines;
Obtain with described test event and identify corresponding test pattern; Wherein, in described test pattern, include test target;
According to described standard lines and described test pattern, generate the test result of described test target.
Said method, preferred, described test event sign includes restricted area test item sign, includes test zone initial pictures in described test pattern; Wherein: the described standard lines of described foundation and described test pattern, generate the test result of described test target, comprising:
In described standard lines, determine with described restricted area test item and identify corresponding at least one the first standard liness;
Described the first standard lines is put in every two field picture of described test pattern;
Judge that successively whether the texture value of described the first standard lines in described every frame two field picture be different from the texture value of described the first standard lines in described test zone initial pictures;
If so, generate the test result that described test target is corresponding with described restricted area test item.
Said method, preferred, described test event sign includes process action test item sign; Wherein: the described standard lines of described foundation and described test pattern, generate the test result of described test target, comprising:
In described standard lines, determine with described process action test item and identify corresponding at least one the second standard liness;
Described the second standard lines is put in every two field picture of described test pattern;
By comparing the texture value of described the second standard lines in described each two field picture, obtain the test result corresponding with described process action test item.
Said method, preferred, described in set in advance standard lines storehouse, comprising:
Obtain test event sign and test zone initial pictures;
Resolve described test zone initial pictures, generate and identify at least one corresponding standard lines with described test event;
According to described standard lines, Criterion line storehouse.
Said method, preferred, after obtaining in described standard lines storehouse and identifying corresponding standard lines with described test event, also comprise:
Resolve described test pattern, generate the renewal standard lines corresponding with described test event;
Judge that whether the positional information of described standard lines is different with the positional information of described renewal standard lines;
If so, described standard lines is replaced with to described renewal standard lines.
The application also provides a kind of test result generating apparatus, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, and described device comprises:
Command reception unit, for receiving test instruction, wherein, comprises test event sign in described test instruction;
Standard lines acquiring unit, for obtaining with described test event and identify corresponding standard lines in described standard lines storehouse;
Image acquisition unit, identifies corresponding test pattern for obtaining with described test event; Wherein, in described test pattern, include test target;
Result generation unit, for according to described standard lines and described test pattern, generates the test result of described test target.
Said apparatus, preferred, the test event sign in the test instruction that described command reception unit receives includes restricted area test item sign, includes test zone initial pictures in the test pattern that described image acquisition unit gets; Wherein: described result generation unit comprises:
The first standard lines is determined subelement, for determining at described standard lines with described restricted area test item, identifies corresponding at least one the first standard liness;
The first standard lines embeds subelement, for described the first standard lines being put into every two field picture of described test pattern;
Whether judgment sub-unit is different from the texture value of described the first standard lines in described test zone initial pictures at the texture value of described every frame two field picture for judging successively described the first standard lines; If so, trigger first unit that bears fruit;
The first result generates subelement, for generating the test result that described test target is corresponding with described restricted area test item.
Said apparatus, preferred, the test event sign in the test instruction that described command reception unit receives includes process action test item sign; Wherein: described result generation unit comprises:
The second standard lines is determined subelement, for determining at described standard lines with described process action test item, identifies corresponding at least one the second standard liness;
The second standard lines embeds subelement, for described the second standard lines being put into every two field picture of described test pattern;
The second result generates subelement, for the texture value at described each two field picture by described the second standard lines of comparison, obtains the test result corresponding with described process action test item.
Said apparatus, preferred, also comprise:
Set in advance unit, for setting in advance standard lines storehouse; Wherein:
The described unit that sets in advance comprises:
Image Acquisition subelement, for obtaining test event sign and test zone initial pictures;
Image analysis subelement, for resolving described test zone initial pictures, generates and identifies at least one corresponding standard lines with described test event;
Subelement is set up in storehouse, for the described standard lines of foundation, Criterion line storehouse.
Said apparatus, preferred, also comprise:
Resolution unit, for resolving described test pattern, generates the renewal standard lines corresponding with described test event;
Judging unit, for judging that whether the positional information of described standard lines is different with the positional information of described renewal standard lines; If so, trigger updating block;
Updating block, for replacing with described standard lines described renewal standard lines.
From above technical scheme, the application provides a kind of generation method and device of test result, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, the method comprises: receive test instruction, comprise test event sign in this test instruction; In this standard lines storehouse, obtain with described test event and identify corresponding standard lines; Obtain with this test event and identify corresponding test pattern; In this test pattern, include test target; According to this standard lines and this test pattern, generate the test result of this test target.In prior art, artificially the test process of test target is passed judgment on, in judgment criteria, artificial subjective factor impact is larger, the method that the application provides, obtain standard lines and test pattern, according to this standard lines and this test pattern, generate the test result of test target, avoided the artificial judge in test process, can effectively overcome the error that subjective judgement process causes, improve the accuracy of test result.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present application, below the accompanying drawing of required use during embodiment is described is briefly described, apparently, accompanying drawing in the following describes is only some embodiment of the application, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
A kind of test result that Fig. 1 provides for the application generates the process flow diagram of embodiment of the method one;
A kind of test result that Fig. 2 provides for the application generates the part process flow diagram of embodiment of the method two;
A kind of test result that Fig. 3 provides for the application generates the part process flow diagram of embodiment of the method three;
A kind of test result that Fig. 4 provides for the application generates the part process flow diagram of embodiment of the method four;
The structural representation of a kind of test result generating apparatus embodiment five that Fig. 5 provides for the application;
The part-structure schematic diagram of a kind of test result generating apparatus embodiment six that Fig. 6 provides for the application;
The part-structure schematic diagram of a kind of test result generating apparatus embodiment seven that Fig. 7 provides for the application;
The part-structure schematic diagram of a kind of test result generating apparatus embodiment eight that Fig. 8 provides for the application;
The part-structure schematic diagram of a kind of test result generating apparatus embodiment nine that Fig. 9 provides for the application;
Figure 10 is p-wire and the standard lines schematic diagram of side parking test event.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present application, the technical scheme in the embodiment of the present application is clearly and completely described, obviously, described embodiment is only the application's part embodiment, rather than whole embodiment.Embodiment based in the application, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the application's protection.
Refer to Fig. 1, a kind of test result that it shows the application provides generates the process flow diagram of embodiment of the method one, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, and the present embodiment can comprise:
Step 101: receive test instruction, wherein, comprise test event sign in described test instruction.
In the time need to carrying out the test of certain project to test target, user sends test instruction.Described test target includes but not limited to the moving targets such as vehicle, unit, and described test event includes but not limited to reversing warehouse-in in driving school test, side parking, curve driving etc.Described sign is for showing corresponding test event.
Step 102: obtain with described test event and identify corresponding standard lines in described standard lines storehouse.
Described standard lines includes the standard lines corresponding with test event in storehouse.It should be noted that, in test event, can include a test item, also can include a plurality of test items, no matter but test event comprises how many test items, the standard lines corresponding with each test item of described test event, can be one, also can be many.For example, parking test event in side comprises three test items: the middle tire that a) travels can not touch sideline, padding machine road; B) can not stop midway; C) after vehicle warehouse-in stops, vehicle body can not go out sideline, garage.Refer to Figure 10, it shows p-wire and the standard lines schematic diagram of side parking test event, is one with a described a) corresponding standard lines, and standard lines 10012; With described b) a corresponding standard lines is many, standard lines 1002; With described c) a corresponding standard lines is one, standard lines 10032.
The acquisition process of this step can be that the described test event sign of foundation is searched sign and identified identical standard lines with described test event in described standard lines storehouse, and the standard lines finding is extracted.
Step 103: obtain with described test event and identify corresponding test pattern; Wherein, in described test pattern, include test target.
This step is obtained the mode of test pattern, can be the test process image of described test target in this test event that obtains image recorder (shooting and/or camera installation etc.) record.Certainly, described obtaining can be real-time, obtains the image of described image recorder real time record, can be also non real-time, be image recorder by the image transmitting of real time record to image library, this step is obtained test process image from described image library.Preferably, described obtain manner is real-time, thereby can to the test event of test target, generate result in real time, improves the formation efficiency of test result.
Step 104: according to described standard lines and described test pattern, generate the test result of described test target.
The described standard lines getting in step 102 is corresponding with the test item in described test event, in the described test pattern getting, includes test target in step 103, is the test process image of test target, for example side docking process image.In described test pattern, obtain the real-time position information of test target, the described real-time position information of obtaining out and the positional information of described standard lines are contrasted, by judging whether described positional information occurs overlapping, show whether described test target meets the requirement of the test item in described test event, and then generate test result.
For example, vehicle is carried out to the test of side parking, in the docking process image of the side of vehicle, obtain the real-time position information of described testing vehicle, by described real-time position information and the contrast of described lane side line standard line position information, while occurring overlapping, show that described vehicle touches sideline, padding machine road; By described real-time position information and the contrast of sideline, described garage standard lines positional information, while occurring overlapping, show that described vehicle exceeds sideline, garage; Described real-time position information and initial position from track, to the standard lines positional information contrast on the route of position, garage, are occurred overlapping, and while reaching predetermined threshold value the described time of coincidence, draw described vehicle stop off.
For example, vehicle is carried out to the test of curve driving, in the curve driving procedural image of vehicle, obtain the real-time position information of described testing vehicle, by described real-time position information and standard lines (standard lines and described curve track are perpendicular or form an angle) positional information contrast, while occurring overlapping, show that described vehicle travels according to described Curve Path.
The described test result generating is corresponding with described test event, and while including a test item in described test event, described test result is the object information of this test item, i.e. success or failure; While including multinomial test item in described test event, in described test result, include the object information of each test item, for example, the failure of side parking test event, wherein: an a) failure, a b) failure, c) success.
From above technical scheme, the present embodiment provides a kind of generation method of test result, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, the method comprises: receive test instruction, comprise test event sign in this test instruction; In this standard lines storehouse, obtain with this test event and identify corresponding standard lines; Obtain with this test event and identify corresponding test pattern; In this test pattern, include test target; According to this standard lines and this test pattern, generate the test result of this test target.In prior art, artificially the test process of test target is passed judgment on, in judgment criteria, artificial subjective factor impact is larger, the method that the application provides, obtain standard lines and test pattern, according to this standard lines and this test pattern, generate the test result of test target, avoided the artificial judge in test process, can effectively overcome the error that subjective judgement process causes, improve the accuracy of test result.
It should be noted that, above-described embodiment is not limited to be applied to, in scene that driving school tests vehicle, also can be applicable to field or the systems such as public security monitoring system or industry monitoring control.Certainly; described test target is also not limited to vehicle; can also be that other forms of test target is as machinery, unit etc.; so long as the technological thought that application the application provides utilizes image to process, generate testing standard line; utilize the test target technical scheme that position of described testing standard line to motion, all belong to the application's protection domain.
In the test instruction that above-described embodiment step 101 receives, comprise test event sign, in described test event sign, include restricted area test item sign, in the test pattern that step 103 gets, include test zone initial pictures.Refer to Fig. 2, a kind of test result that it shows the application provides generates the part process flow diagram of embodiment of the method two, and the step 104 of embodiment mono-can comprise:
Step 201: determine in described standard lines with described restricted area test item and identify corresponding at least one the first standard liness.
In the test instruction that embodiment mono-step 101 receives, comprise test event sign, in described test event sign, include restricted area test item sign, in the standard lines that embodiment mono-step 102 gets, include with described restricted area test item and identify corresponding standard lines, described standard lines is the first standard lines.Described restricted area test item is the test item of restriction test target moving region, for example, in the docking process of side: forbid touching sideline, padding machine road test item, forbid that vehicle body surmounts sideline, garage; And for example move backward in warehouse-in process: forbid that vehicle body surmounts sideline, garage, reversing enters region, garage.
It should be noted that, in order to realize the test purpose to described restricted area test item, in real test site, can draw the corresponding line of system to form described restricted area.For example, refer to Figure 10, p-wire 10011 is to forbid touching the sideline, track of rolling, and p-wire 10031 is the sideline, garage keeping in line.And for example, in reversing warehouse-in test event, include the garage domain test item of car being poured into appointment, in real place, draw and be shaped with p-wire, to require car to enter completely in the region, garage of this p-wire formation.
Described deterministic process can be, obtain the sign of described restricted area test item, the sign of each standard lines in the standard lines that the sign of described restricted area test item and embodiment mono-step 102 are got is compared, when the sign of described standard lines and the sign of described restricted area test item are when corresponding, described standard lines is defined as to the first standard lines.
For example, forbid touching the A that is designated of sideline, padding machine road test item in the docking process of side, search the standard lines that is designated A in step 102 in the standard lines obtaining, described standard lines is defined as to the first standard lines, this first standard lines refers to 10012 in Figure 10.
Step 202: described the first standard lines is put in every two field picture of described test pattern.
Described the first standard lines obtains from initial pictures, described in the process put into, in each the frame test pattern getting in embodiment mono-step 103, generate described the first standard lines.
Step 203: judge that successively whether the texture value of described the first standard lines in described every frame two field picture be different from the texture value of described the first standard lines in described test zone initial pictures, if so, carry out step 204.
Step 202, by all having put into the first standard lines in each two field picture of the test pattern obtaining in embodiment mono-step 103, wherein comprises test zone initial pictures, calculates the initial texture value of described the first standard lines in described test zone initial pictures.
In each two field picture of the residue of described test pattern, include described the first standard lines, simultaneously, the position of the described test target in each two field picture changes, when described test target moves to the location point at described the first standard lines place, can cause the texture value of described the first standard lines in this two field picture to change.Therefore, calculate the real-time texture value in each frame test pattern that described the first standard lines gets in embodiment mono-step 103.
Compare described initial texture value whether different from described real-time texture value.For example, initial texture value is 100, and the real-time texture value of a certain frame is 120, and comparison result is different, carry out step 204.
It should be noted that, in order to improve the accuracy of test, when described initial texture value is different from described real-time texture value, further judge whether both differences surpass default threshold value, when surpassing, carry out step 204.For example, the difference of described two texture values is 20, and predetermined threshold value is 10, surpasses described predetermined threshold value, carry out step 204.
The method of calculating described texture value can have statistic algorithm, structure algorithm or frequency spectrum algorithm.In statistic algorithm, utilize the statistical rules of the distribution of gradation of image and relation is described to texture.Described statistic algorithm method be relatively applicable to be described natural texture, and the character such as level and smooth, sparse, regular, cycle of texture can be provided.The simple texture cell of described structure algorithm utilization, the repeated arrangement of described texture cell being carried out to rule is combined to form complicated texture.Described frequency spectrum algorithm utilizes the high-energy burst pulse in the distribution of fourier spectrum, particularly frequency spectrum to describe the Global Periodic character in texture.Certainly, described computational algorithm is including but not limited to described three kinds of algorithms, and in prior art, the algorithm of energy computed image texture value all belongs to the application's protection domain.
Step 204: generate the test result that described test target is corresponding with described restricted area test item.
When judgment result is that of step 203 is, or the difference of initial texture value and described real-time texture value is while surpassing predetermined threshold value, represents that described test target is unsuccessfully in the test result of this restricted area test item, the result of failed regeneration.
Set up in advance the corresponding relation of result sign and test item result, for example: 0 corresponding failure, 1 corresponding success.The process that generates test result can be, first generates result sign, and sets up the corresponding relation that described result sign identifies with corresponding restricted area test item.For example, generate result sign 0, set up 0 with the corresponding relation of restricted area test item sign A.Certainly, the process of described generation test result is not limited to above-mentioned form, so long as the form that test result is recorded all belongs to the application's protection domain.
In the test instruction that embodiment mono-step 101 receives, comprise test event sign, in described test event sign, include process action test item sign.Refer to Fig. 3, a kind of test result that it shows the application provides generates the part process flow diagram of embodiment of the method three.The step 104 of embodiment mono-can comprise:
Step 301: determine in described standard lines with described process action test item and identify corresponding at least one the second standard liness.
In the test instruction that embodiment mono-step 101 receives, comprise test event sign, in described test event sign, include process action test item, in the standard lines that embodiment mono-step 102 gets, include with described process action test item and identify corresponding standard lines, described standard lines is the second standard lines.Described process action test item is the test item that requires the motion process of described test target, for example, in the docking process of side: forbid stop off in docking process; And for example move backward in warehouse-in process: reversing entry time was controlled in 4 minutes; For another example, in curve driving process: vehicle travels by default Curve Path.
Described deterministic process can be, obtain the sign of described process action test item, the sign of each standard lines in the standard lines that the sign of described process action test item and embodiment mono-step 102 are got is compared, when the sign of described standard lines and the sign of described process action test item are when corresponding, described standard lines is defined as to the second standard lines.
For example, forbid the B that is designated of stop off test item in the docking process of side, search the standard lines that is designated B in step 102 in the standard lines obtaining, described standard lines is defined as to the second standard lines, this second standard lines refers to 1002 in Figure 10.
Step 302: described the second standard lines is put in every two field picture of described test pattern.
The described process of putting into, generates described the second standard lines in each the frame test pattern getting in embodiment mono-step 103.
Step 303: by comparing the texture value of described the second standard lines in described each two field picture, obtain the test result corresponding with described process action test item.
In the test pattern getting at embodiment mono-, add the second standard lines, in each two field picture, test target can be touched described each second standard lines in motion process, and the texture value of the second standard lines is changed.It should be noted that, described in change can by with initial pictures texture value contrast judgement obtain.According to the feature of described change, obtain test result.
For example, when the texture value time that same position changes on continuous each two field picture, reach Preset Time, determine test target stop off; When described test target is touched the second standard lines of initial position, the start-of-record time, when touching second standard lines at end position place, the end of record (EOR) time, mistiming by contrast end time and start time obtains time used time, when described time used time, surpass process action test item stipulated time section, determine that test target test is overtime; When described test target is touched each second standard lines arranging on described fixed course successively, determine that described test target travels according to fixed course.
It should be noted that, the mode of described judgement touching, whether texture value and the texture value in initial pictures of comparing described the second standard lines change.
Refer to Fig. 4, a kind of test result that it shows the application provides generates the part process flow diagram of embodiment of the method four, among the method for above-mentioned each embodiment, comprise the process that sets in advance standard lines storehouse, it should be noted that, the described process that sets in advance standard lines storehouse is not all to carry out when receiving test instruction at every turn, but carries out once in advance.While receiving test instruction, can use the standard lines in described standard lines storehouse to test.This process can comprise:
Step 401: obtain test event sign and test zone initial pictures.
The described test event process of obtaining, can be to receive test instruction, includes test event sign in described instruction.
Step 402: resolve described test zone initial pictures, generate and identify at least one corresponding standard lines with described test event.
In the test zone image obtaining, can include described test event and identify corresponding p-wire.Wherein: described p-wire is in real test zone place, to draw the line of system.The for example p-wire in Figure 10 10011 and p-wire 10013.Utilize Hough transformation algorithm, from described test zone initial pictures, extract described p-wire, again according to the physical size data of picture pick-up device shooting angle and test target (height of length, width, vehicle body etc.), adjust the position of described p-wire in good time, thereby generate the standard lines corresponding with described p-wire.The standard lines of this type is the first standard lines in embodiment bis-, test event is tested when including restricted area test item in test event.
While including process action test item in described test event sign, as forbid stop off, the described p-wire according to extracting, generates second standard lines corresponding with described process action test item.The second standard lines of described generation can be vertical or at a certain angle with described p-wire.For example, the standard lines 1002 in described Figure 10.
The standard lines generating by this step can include the standard lines of two types, i.e. the first standard lines and the second standard lines.
Certainly, extract the algorithm of described p-wire including but not limited to Hough transformation algorithm, the algorithm that can catch object edge in prior art from image all belongs to the application's protection domain.
Step 403: according to described standard lines, Criterion line storehouse.
Set up described each standard lines and identify corresponding relation with described test event, form standard lines storehouse.
When obtaining the shooting angle of the picture pick-up device of test pattern and occur to change, can cause the position of the standard lines in standard lines storehouse to occur changing.After obtaining in described standard lines storehouse of above-mentioned each embodiment identifies corresponding standard lines step with described test event, can also comprise:
Resolve described test pattern, generate the renewal standard lines corresponding with described test event.Judge that whether the positional information of described standard lines is different with the positional information of described renewal standard lines; If so, described standard lines is replaced with to described renewal standard lines.
The process that described analysis diagram picture generates renewal standard lines is identical with step 402 in embodiment tetra-, at this, does not repeat.Obtain the positional information of the standard lines that embodiment mono-step 102 gets, and obtain the positional information of described renewal standard lines.Wherein, described positional information can be the coordinate information of terminal and terminating point, and the positional information of described standard lines and described renewal standard lines is compared, and when difference appears in described positional information, described standard lines is replaced with to described renewal standard lines.Wherein, described replacement comprises replaces the described standard lines getting in step 102,, the described standard lines in described standard lines storehouse is replaced meanwhile.
The present embodiment is before test, positional information to the standard lines getting judges, when there is the change of position, described standard lines is replaced, thereby realized when the variation of picture pick-up device shooting angle causes standard lines change in location, by replacing standard lines, eliminate the test error that standard lines change in location is brought, the accuracy that has improved test result.
If while having other objects except test target to enter in described test pattern, and while there is touching standard lines, can cause the texture value of described standard lines to change, thereby cause the erroneous judgement of test result.In above-mentioned each implemented, can also be included in the positional information that catches test target in each frame of the test pattern obtaining, in described each two field picture, generate the profile information of described test target, for example, wire frame 1004 in Figure 10, described wire frame is the outline line of test target.When whether the texture value that judges every two field picture acceptance of the bid directrix there is difference, whether whether the positional information that simultaneously judges described outline line overlap with the positional information of described standard lines, when occurring that coincidence and described texture value occur that different or described difference reaches certain hour threshold value, the reason that can determine test target causes the texture value of described standard lines to change, generate test result, otherwise being defined as is the impact that other objects cause, and does not generate test result.Thereby, further improved the accuracy of test result.
Refer to Fig. 5, it shows the structural representation of a kind of test result generating apparatus embodiment five that the application provides, the standard lines storehouse that is applied to set in advance, described standard lines includes standard lines in storehouse, and the present embodiment can comprise: command reception unit 501, standard lines acquiring unit 502, image acquisition unit 503 and result generation unit 504.Wherein:
Described command reception unit 501, for receiving test instruction, wherein, comprises test event sign in described test instruction.
In the time need to carrying out the test of certain project to test target, user sends test instruction.Described test target includes but not limited to the moving targets such as vehicle, unit, and described test event includes but not limited to reversing warehouse-in in driving school test, side parking, curve driving etc.Described sign is for showing corresponding test event.
Described standard lines acquiring unit 502, for obtaining with described test event and identify corresponding standard lines in described standard lines storehouse.
Described standard lines includes the standard lines corresponding with test event in storehouse.It should be noted that, in test event, can include a test item, also can include a plurality of test items, no matter but test event comprises how many test items, the standard lines corresponding with each test item of described test event, can be one, also can be many.For example, parking test event in side comprises three test items: the middle tire that a) travels can not touch sideline, padding machine road; B) can not stop midway; C) after vehicle warehouse-in stops, vehicle body can not go out sideline, garage.Refer to Figure 10, it shows p-wire and the standard lines schematic diagram of side parking test event, is one with a described a) corresponding standard lines, and standard lines 10012; With described b) a corresponding standard lines is many, standard lines 1002; With described c) a corresponding standard lines is one, standard lines 10032.
The obtain manner of described standard lines acquiring unit 502 can be that the described test event sign of foundation is searched sign and identified identical standard lines with described test event in described standard lines storehouse, and the standard lines finding is extracted.
Described image acquisition unit 503, identifies corresponding test pattern for obtaining with described test event; Wherein, in described test pattern, include test target.
Described image acquisition unit 503 obtains the mode of test pattern, can be the test process image of described test target in this test event that obtains image recorder (shooting and/or camera installation etc.) record.Certainly, described obtaining can be real-time, obtains the image of described image recorder real time record, can be also non real-time, be image recorder by the image transmitting of real time record to image library, this step is obtained test process image from described image library.Preferably, described obtain manner is real-time, thereby can to the test event of test target, generate result in real time, improves the formation efficiency of test result.
Described result generation unit 504, for according to described standard lines and described test pattern, generates the test result of described test target.
The described standard lines that described standard lines acquiring unit 502 gets is corresponding with the test item in described test event, in the described test pattern that described image acquisition unit 503 gets, include test target, the test process image of test target, for example side docking process image.Described result generation unit 504 obtains the real-time position information of test target in described test pattern, the described real-time position information of obtaining out and the positional information of described standard lines are contrasted, by judging whether described positional information occurs overlapping, show whether described test target meets the requirement of the test item in described test event, and then generate test result.
For example, vehicle is carried out to the test of side parking, described result generation unit 504 obtains the real-time position information of described testing vehicle in the docking process image of the side of vehicle, by described real-time position information and the contrast of described lane side line standard line position information, while occurring overlapping, show that described vehicle touches sideline, padding machine road; By described real-time position information and the contrast of sideline, described garage standard lines positional information, while occurring overlapping, show that described vehicle exceeds sideline, garage; Described real-time position information and initial position from track, to the standard lines positional information contrast on the route of position, garage, are occurred overlapping, and while reaching predetermined threshold value the described time of coincidence, draw described vehicle stop off.
For example, vehicle is carried out to the test of curve driving, described result generation unit 504 obtains the real-time position information of described testing vehicle in the curve driving procedural image of vehicle, by described real-time position information and standard lines (standard lines and described curve track are perpendicular or form an angle) positional information contrast, while occurring overlapping, show that described vehicle travels according to described Curve Path.
The described test result that described result generation unit 504 generates is corresponding with described test event, and while including a test item in described test event, described test result is the object information of this test item, i.e. success or failure; While including multinomial test item in described test event, in described test result, include the object information of each test item, for example, the failure of side parking test event, wherein: an a) failure, a b) failure, c) success.
From above technical scheme, the present embodiment provides a kind of generating apparatus of test result, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, this device receives test instruction by command reception unit 501, comprises test event sign in this test instruction; Standard lines acquiring unit 502 obtains with this test event and identifies corresponding standard lines in this standard lines storehouse; Image acquisition unit 503 obtains with this test event and identifies corresponding test pattern; In this test pattern, include test target; Result generation unit 504, according to this standard lines and this test pattern, generates the test result of this test target.In prior art, artificially the test process of test target is passed judgment on, in judgment criteria, artificial subjective factor impact is larger, the method that the application provides, obtain standard lines and test pattern, according to this standard lines and this test pattern, generate the test result of test target, avoided the artificial judge in test process, can effectively overcome the error that subjective judgement process causes, improve the accuracy of test result.
It should be noted that, above-described embodiment is not limited to be applied to, in scene that driving school tests vehicle, also can be applicable to field or the systems such as public security monitoring system or industry monitoring control.Certainly; described test target is also not limited to vehicle; can also be that other forms of test target is as machinery, unit etc.; so long as the technological thought that application the application provides utilizes image to process, generate testing standard line; utilize the test target technical scheme that position of described testing standard line to motion, all belong to the application's protection domain.
In the test instruction that above-described embodiment command reception unit 501 receives, comprise test event sign, in described test event sign, include restricted area test item sign, in the test pattern that image acquisition unit 503 gets, include test zone initial pictures.Refer to Fig. 6, it shows the part-structure schematic diagram of a kind of test result generating apparatus embodiment six that the application provides, and the result generation unit 504 of embodiment five can comprise: the first standard lines determines that subelement 601, the first standard lines embed subelement 602, judgment sub-unit 603 and the first result and generate subelement 604.Wherein:
Described the first standard lines is determined subelement 601, for determining at described standard lines with described restricted area test item, identifies corresponding at least one the first standard liness.
In the test instruction that the embodiment the five fingers make receiving element 501 receive, comprise test event sign, in image acquisition unit 503 test event signs, include restricted area test item sign, in the standard lines that embodiment five standard lines acquiring units 502 get, include with described restricted area test item and identify corresponding standard lines, described standard lines is the first standard lines.Described restricted area test item is the test item of restriction test target moving region, for example, in the docking process of side: forbid touching sideline, padding machine road test item, forbid that vehicle body surmounts sideline, garage; And for example move backward in warehouse-in process: forbid that vehicle body surmounts sideline, garage, reversing enters region, garage.
It should be noted that, in order to realize the test purpose to described restricted area test item, in real test site, can draw the corresponding line of system to form described restricted area.For example, refer to Figure 10, p-wire 10011 is to forbid touching the sideline, track of rolling, and p-wire 10031 is the sideline, garage keeping in line.And for example, in reversing warehouse-in test event, include the garage domain test item of car being poured into appointment, in real place, draw and be shaped with p-wire, to require car to enter completely in the region, garage of this p-wire formation.
The first standard lines determines described in subelement 601 that deterministic process can be, obtain the sign of described restricted area test item, the sign of each standard lines in the standard lines that the sign of described restricted area test item and embodiment five standard lines acquiring units 502 are got is compared, when the sign of described standard lines and the sign of described restricted area test item are when corresponding, described standard lines is defined as to the first standard lines.
For example, in the docking process of side, forbid touching the A that is designated of sideline, padding machine road test item, the first standard lines is determined in the standard lines that subelement 601 obtains at standard lines acquiring unit 502 and is searched the standard lines that is designated A, described standard lines is defined as to the first standard lines, and this first standard lines refers to 10012 in Figure 10.
Described the first standard lines embeds subelement 602, for described the first standard lines being put into every two field picture of described test pattern.
Described the first standard lines for what obtain from initial pictures, and described the first standard lines embeds the process of putting into of subelement 602, in each the frame test pattern getting at embodiment five image acquisition units 503, generates described the first standard lines.
Whether described judgment sub-unit 603 is different from the texture value of described the first standard lines in described test zone initial pictures at the texture value of described every frame two field picture for judging successively described the first standard lines; If so, trigger the first result and generate subelement 604.
In each two field picture of the test pattern that described the first standard lines embedding subelement 602 obtains embodiment five image acquisition units 503, all put into the first standard lines, wherein comprise test zone initial pictures, described judgment sub-unit 603 is calculated the initial texture value of described the first standard lines in described test zone initial pictures.
Described image acquisition unit 503 gets in each two field picture of residue of test pattern and includes described the first standard lines, simultaneously, the position of the described test target in each two field picture changes, when described test target moves to the location point at described the first standard lines place, can cause the texture value of described the first standard lines in this two field picture to change.Therefore the real-time texture value in each frame test pattern that, described the first standard lines of described judgment sub-unit 603 calculating gets at described image acquisition unit 503.
Whether the described initial texture value of described judgment sub-unit 603 comparison is different from described real-time texture value.For example, initial texture value is 100, and the real-time texture value of a certain frame is 120, and comparison result is different, triggers the first result and generates subelement 604.
It should be noted that, in order to improve the accuracy of test, when described initial texture value is different from described real-time texture value, described judgment sub-unit 603 further judges whether both differences surpass default threshold value, when surpassing, trigger the first result and generate subelement 604.For example, the difference of described two texture values is 20, and predetermined threshold value is 10, surpasses described predetermined threshold value, triggers the first result and generates subelement 604.
The method that described judgment sub-unit 603 is calculated described texture value can have statistic algorithm, structure algorithm or frequency spectrum algorithm.In statistic algorithm, utilize the statistical rules of the distribution of gradation of image and relation is described to texture.Described statistic algorithm method be relatively applicable to be described natural texture, and the character such as level and smooth, sparse, regular, cycle of texture can be provided.The simple texture cell of described structure algorithm utilization, the repeated arrangement of described texture cell being carried out to rule is combined to form complicated texture.Described frequency spectrum algorithm utilizes the high-energy burst pulse in the distribution of fourier spectrum, particularly frequency spectrum to describe the Global Periodic character in texture.Certainly, described computational algorithm is including but not limited to described three kinds of algorithms, and in prior art, the algorithm of energy computed image texture value all belongs to the application's protection domain.
Described the first result generates subelement 604, for generating the test result that described test target is corresponding with described restricted area test item.
When judgment result is that of described judgment sub-unit 603 is, or the difference of initial texture value and described real-time texture value is while surpassing predetermined threshold value, represent that described test target is unsuccessfully in the test result of this restricted area test item, the first result generates the result of subelement 604 failed regenerations.
Set up in advance the corresponding relation of result sign and test item result, for example: 0 corresponding failure, 1 corresponding success.The first result generates the process that subelement 604 generates test results and can be, first generates result sign, and sets up the corresponding relation that described result sign identifies with corresponding restricted area test item.For example, generate result sign 0, set up 0 with the corresponding relation of restricted area test item sign A.Certainly, the process of described generation test result is not limited to above-mentioned form, so long as the form that test result is recorded all belongs to the application's protection domain.
In the test instruction that the embodiment the five fingers make receiving element 501 receive, comprise test event sign, in described test event sign, include process action test item sign.Refer to Fig. 7, it shows the part-structure schematic diagram of a kind of test result generating apparatus embodiment seven that the application provides.The result generation unit 504 of embodiment five can comprise: the second standard lines determines that subelement 701, the second standard lines embed subelement 702 and the second result generates subelement 703.Wherein:
Described the second standard lines is determined subelement 701, for determining at described standard lines with described process action test item, identifies corresponding at least one the second standard liness.
In the test instruction that the embodiment the five fingers make receiving element 501 receive, comprise test event sign, in described test event sign, include process action test item, in the standard lines that embodiment five standard lines acquiring units 502 get, include with described process action test item and identify corresponding standard lines, described standard lines is the second standard lines.Described process action test item is the test item that requires the motion process of described test target, for example, in the docking process of side: forbid stop off in docking process; And for example move backward in warehouse-in process: reversing entry time was controlled in 4 minutes; For another example, in curve driving process: vehicle travels by default Curve Path.
Described the second standard lines determines that subelement 701 deterministic processes can be, obtain the sign of described process action test item, the sign of each standard lines in the standard lines that the sign of described process action test item and embodiment five standard lines acquiring units 502 are got is compared, when the sign of described standard lines and the sign of described process action test item are when corresponding, described standard lines is defined as to the second standard lines.
For example, the B that is designated that forbids stop off test item in the docking process of side, in the standard lines obtaining at standard lines acquiring unit 502, search the standard lines that is designated B, described standard lines is defined as to the second standard lines, this second standard lines refers to 1002 in Figure 10.
Described the second standard lines embeds subelement 702, for described the second standard lines being put into every two field picture of described test pattern.
Described the second standard lines embeds the process of putting into of subelement 702, in each the frame test pattern getting at embodiment five image acquisition units 503, generates described the second standard lines.
Described the second result generates subelement 703, for the texture value at described each two field picture by described the second standard lines of comparison, obtains the test result corresponding with described process action test item.
In executing the test pattern that example five image acquisition units 503 get, add the second standard lines, in each two field picture, test target can described each second standard lines of touching in motion process, and the texture value of the second standard lines is changed.It should be noted that, described in change can be described the second result generate subelement 703 by contrast and judge and obtain with initial pictures texture value.According to the feature of described change, obtain test result.
For example, when the texture value time that same position changes on continuous each two field picture, reach Preset Time, determine test target stop off; When described test target is touched the second standard lines of initial position, the start-of-record time, when touching second standard lines at end position place, the end of record (EOR) time, mistiming by contrast end time and start time obtains time used time, when described time used time, surpass process action test item stipulated time section, determine that test target test is overtime; When described test target is touched each second standard lines arranging on described fixed course successively, determine that described test target travels according to fixed course.
It should be noted that, the mode of described judgement touching, whether texture value and the texture value in initial pictures of described the second standard lines of described the second result generation subelement 703 comparison change.
Refer to Fig. 8, it shows the part-structure schematic diagram of a kind of test result generating apparatus embodiment eight that the application provides, and above-mentioned each device embodiment can also comprise and sets in advance unit 801, for setting in advance standard lines storehouse.It should be noted that, described in set in advance unit and all carry out work each reception when command unit 501 receives test instruction, only need before testing, work once, Criterion line storehouse.The described unit 801 that sets in advance can comprise: subelement 8013 is set up in Image Acquisition subelement 8011, image analysis subelement 8012 and storehouse.Wherein:
Described Image Acquisition subelement 8011, for obtaining test event sign and test zone initial pictures.
Described Image Acquisition subelement 8011 obtains test event process, can be to receive test instruction, includes test event sign in described instruction.
Described image analysis subelement 8012, for resolving described test zone initial pictures, generates and identifies at least one corresponding standard lines with described test event.
In the test zone image that image acquisition unit 503 in embodiment five obtains, can include described test event and identify corresponding p-wire.Wherein: described p-wire is in real test zone place, to draw the line of system.The for example p-wire in Figure 10 10011 and p-wire 10013.Described image analysis subelement 8012 utilizes Hough transformation algorithm, from described test zone initial pictures, extract described p-wire, again according to the physical size data of picture pick-up device shooting angle and test target (height of length, width, vehicle body etc.), adjust the position of described p-wire in good time, thereby generate the standard lines corresponding with described p-wire.The standard lines of this type is the first standard lines in embodiment bis-, test event is tested when including restricted area test item in test event.
While including process action test item in described test event sign, as forbid stop off, described image analysis subelement 8012, according to the described p-wire extracting, generates second standard lines corresponding with described process action test item.The second standard lines of described generation can be vertical or at a certain angle with described p-wire.For example, the standard lines 1002 in described Figure 10.
The standard lines that described image analysis subelement 8012 generates can include the standard lines of two types, i.e. the first standard lines and the second standard lines.
Certainly, the algorithm that described image analysis subelement 8012 extracts described p-wire is including but not limited to Hough transformation algorithm, and the algorithm that can catch object edge in prior art from image all belongs to the application's protection domain.
Described storehouse is set up described each standard lines of subelement 8013 foundation and is identified corresponding relation with described test event, forms standard lines storehouse.
When obtaining the shooting angle of the picture pick-up device of test pattern and occur to change, can cause the position of the standard lines in standard lines storehouse to occur changing.On the basis of above-mentioned each embodiment, can also comprise: resolution unit 901, judging unit 902 and updating block 903.Wherein:
Described resolution unit 901, for resolving described test pattern, generates the renewal standard lines corresponding with described test event.Described judging unit 902, for judging that whether the positional information of described standard lines is different with the positional information of described renewal standard lines; If so, trigger described updating block 903.Described updating block 903, for replacing with described standard lines described renewal standard lines.
It should be noted that, described resolution unit 901 is connected with the image acquisition unit 503 in embodiment five, the described test pattern getting for resolving described image acquisition unit 503.The process that described resolution unit 901 analysis diagram pictures generate renewal standard lines is identical with step 402 in embodiment tetra-, at this, does not repeat.
Described judging unit 902 is connected respectively at the standard lines acquiring unit 502 in described resolution unit 901 and embodiment five.Described judging unit 902 obtains the positional information of the standard lines that embodiment five standard lines acquiring units 502 get, and obtains the positional information of the renewal standard lines that described resolution unit 901 generates.Wherein, described positional information can be the coordinate information of terminal and terminating point, described judging unit 902 is compared the positional information of described standard lines and described renewal standard lines, when difference appears in described positional information, described standard lines is replaced with to described renewal standard lines.Wherein, described replacement comprises that the described standard lines that the standard lines acquiring unit 502 in embodiment five is got replaces, and, the described standard lines in described standard lines storehouse is replaced meanwhile.
The present embodiment is before test, the positional information of 902 pairs of standard liness that get of described judging unit judges, when there is the change of position, described standard lines is replaced, thereby realized when the variation of picture pick-up device shooting angle causes standard lines change in location, by replacing standard lines, eliminate the test error that standard lines change in location is brought, the accuracy that has improved test result.
If while having other objects except test target to enter in described test pattern, and while there is touching standard lines, can cause the texture value of described standard lines to change, thereby cause the erroneous judgement of test result.On the basis of above-mentioned each enforcement, can also comprise test target acquiring unit, for each frame of the test pattern obtaining, catch the positional information of test target.Be that test target acquiring unit generates the profile information of described test target in described each two field picture, for example, the wire frame 1004 in Figure 10, described wire frame is the outline line of test target.
Accordingly, the second result that the first result in embodiment six generates in subelement 604 or embodiment seven generates subelement 703 when whether the texture value that judges every two field picture acceptance of the bid directrix occurs difference, whether whether the positional information that simultaneously judges described outline line overlap with the positional information of described standard lines, when occurring that coincidence and described texture value occur that different or described difference reaches certain hour threshold value, the reason that can determine test target causes the texture value of described standard lines to change, generate test result, otherwise being defined as is the impact that other objects cause, do not generate test result.Thereby, further improved the accuracy of test result.
It should be noted that, each embodiment in this instructions all adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiment, between each embodiment identical similar part mutually referring to.
Above a kind of test result generation method provided by the present invention and device are described in detail, the above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a test result generation method, is characterized in that, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, and described method comprises:
Receive test instruction, wherein, in described test instruction, comprise test event sign;
In described standard lines storehouse, obtain with described test event and identify corresponding standard lines;
Obtain with described test event and identify corresponding test pattern; Wherein, in described test pattern, include test target;
According to described standard lines and described test pattern, generate the test result of described test target.
2. method according to claim 1, is characterized in that, described test event sign includes restricted area test item sign, includes test zone initial pictures in described test pattern; Wherein: the described standard lines of described foundation and described test pattern, generate the test result of described test target, comprising:
In described standard lines, determine with described restricted area test item and identify corresponding at least one the first standard liness;
Described the first standard lines is put in every two field picture of described test pattern;
Judge that successively whether the texture value of described the first standard lines in described every frame two field picture be different from the texture value of described the first standard lines in described test zone initial pictures;
If so, generate the test result that described test target is corresponding with described restricted area test item.
3. method according to claim 1, is characterized in that, described test event sign includes process action test item sign; Wherein: the described standard lines of described foundation and described test pattern, generate the test result of described test target, comprising:
In described standard lines, determine with described process action test item and identify corresponding at least one the second standard liness;
Described the second standard lines is put in every two field picture of described test pattern;
By comparing the texture value of described the second standard lines in described each two field picture, obtain the test result corresponding with described process action test item.
4. method according to claim 1, is characterized in that, described in set in advance standard lines storehouse, comprising:
Obtain test event sign and test zone initial pictures;
Resolve described test zone initial pictures, generate and identify at least one corresponding standard lines with described test event;
According to described standard lines, Criterion line storehouse.
5. method according to claim 1, is characterized in that, after obtaining in described standard lines storehouse and identifying corresponding standard lines with described test event, also comprises:
Resolve described test pattern, generate the renewal standard lines corresponding with described test event;
Judge that whether the positional information of described standard lines is different with the positional information of described renewal standard lines;
If so, described standard lines is replaced with to described renewal standard lines.
6. a test result generating apparatus, is characterized in that, the standard lines storehouse that is applied to set in advance, and described standard lines includes standard lines in storehouse, and described device comprises:
Command reception unit, for receiving test instruction, wherein, comprises test event sign in described test instruction;
Standard lines acquiring unit, for obtaining with described test event and identify corresponding standard lines in described standard lines storehouse;
Image acquisition unit, identifies corresponding test pattern for obtaining with described test event; Wherein, in described test pattern, include test target;
Result generation unit, for according to described standard lines and described test pattern, generates the test result of described test target.
7. device according to claim 6, it is characterized in that, test event sign in the test instruction that described command reception unit receives includes restricted area test item sign, includes test zone initial pictures in the test pattern that described image acquisition unit gets; Wherein: described result generation unit comprises:
The first standard lines is determined subelement, for determining at described standard lines with described restricted area test item, identifies corresponding at least one the first standard liness;
The first standard lines embeds subelement, for described the first standard lines being put into every two field picture of described test pattern;
Whether judgment sub-unit is different from the texture value of described the first standard lines in described test zone initial pictures at the texture value of described every frame two field picture for judging successively described the first standard lines; If so, trigger first unit that bears fruit;
The first result generates subelement, for generating the test result that described test target is corresponding with described restricted area test item.
8. device according to claim 6, is characterized in that, the test event sign in the test instruction that described command reception unit receives includes process action test item sign; Wherein: described result generation unit comprises:
The second standard lines is determined subelement, for determining at described standard lines with described process action test item, identifies corresponding at least one the second standard liness;
The second standard lines embeds subelement, for described the second standard lines being put into every two field picture of described test pattern;
The second result generates subelement, for the texture value at described each two field picture by described the second standard lines of comparison, obtains the test result corresponding with described process action test item.
9. device according to claim 6, is characterized in that, also comprises:
Set in advance unit, for setting in advance standard lines storehouse; Wherein:
The described unit that sets in advance comprises:
Image Acquisition subelement, for obtaining test event sign and test zone initial pictures;
Image analysis subelement, for resolving described test zone initial pictures, generates and identifies at least one corresponding standard lines with described test event;
Subelement is set up in storehouse, for the described standard lines of foundation, Criterion line storehouse.
10. device according to claim 6, is characterized in that, also comprises:
Resolution unit, for resolving described test pattern, generates the renewal standard lines corresponding with described test event;
Judging unit, for judging that whether the positional information of described standard lines is different with the positional information of described renewal standard lines; If so, trigger updating block;
Updating block, for replacing with described standard lines described renewal standard lines.
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