CN105208379A - Method and device for detecting video port - Google Patents
Method and device for detecting video port Download PDFInfo
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- CN105208379A CN105208379A CN201510684459.2A CN201510684459A CN105208379A CN 105208379 A CN105208379 A CN 105208379A CN 201510684459 A CN201510684459 A CN 201510684459A CN 105208379 A CN105208379 A CN 105208379A
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Abstract
The embodiment of the invention discloses a method and equipment for detecting a video port, which can improve the production efficiency. The method provided by the embodiment of the invention comprises the following steps: receiving a signal of a static picture through a video port to be detected; acquiring a target image corresponding to the signal of the static picture; acquiring a prestored reference image, wherein the reference image is a static image obtained by detecting a normal video port in advance through a signal of the static image, and the type of the detected normal video port is the same as that of the video port to be detected; and judging whether the target image is matched with the reference image, and if so, determining that the video port to be detected is a normal video port.
Description
Technical field
The present invention relates to system test field, particularly relate to a kind of method and apparatus detecting video port.
Background technology
After bank of televisions installs into, need to test each video port of television set.
The test of current television set mainly adopts the method for manual detection, is detected respectively each video port of television set by testing staff.
Because the function of current television set becomes increasingly complex, the number of video port gets more and more, and the difference between video port is also very large, and the method efficiency of manual detection is low, causes production efficiency also lower.
Summary of the invention
Embodiments provide a kind of method and apparatus detecting video port, can enhance productivity.
In view of this, first aspect present invention provides a kind of method detecting video port, can comprise:
The signal of tableaux is received by video port to be detected;
Obtain the target image that the signal of described tableaux is corresponding;
Obtain the reference picture prestored, described reference picture is the still image that the signal of described tableaux obtains by detecting normal video port in advance, wherein, the described type detecting normal video port is in advance identical with the type of described video port to be detected;
Judge whether described target image and described reference picture mate, if coupling, then determine that described video port to be detected is normal video port.
In conjunction with first aspect present invention, in the first execution mode of first aspect present invention, can comprise:
Target picture corresponding to the signal of described tableaux is shown by display screen;
By pre-configured grabgraf instruction, grabgraf is carried out to described target picture, obtain the target image of described target picture.
In conjunction with first aspect present invention, the first execution mode of first aspect present invention, in the second execution mode of first aspect present invention, can comprise:
Described reference picture is converted to the first byte stream, and described target image is converted to the second byte stream;
Judge that whether described first byte stream is identical with described second byte stream, if identical, then determine described target image and described reference picture coupling.
In conjunction with first aspect present invention, the first execution mode of first aspect present invention, in the 3rd execution mode of first aspect present invention, can comprise:
Described reference picture is stored by external memory storage.
In conjunction with first aspect present invention, the first execution mode of first aspect present invention, in the 4th execution mode of first aspect present invention, can comprise:
The method of automatic optics inspection is adopted to detect output port corresponding to described video port to be detected.
In view of this, second aspect present invention provides a kind of equipment detecting video port, can comprise:
Receiving element, for receiving the signal of tableaux by video port to be detected;
First acquiring unit, the target image that the signal for obtaining described tableaux is corresponding;
Second acquisition unit, for obtaining the reference picture prestored, described reference picture is the still image that the signal of described tableaux obtains by detecting normal video port in advance, wherein, the described type detecting normal video port is in advance identical with the type of described video port to be detected;
Judging unit, for judging whether described target image and described reference picture mate;
Determining unit, if be judged as coupling for judging unit, then determines that described video port to be detected is normal video port.
In conjunction with second aspect present invention, in the first execution mode of second aspect present invention, can comprise:
Display unit, the target picture that the signal for being shown described tableaux by display screen is corresponding;
Described first acquiring unit, specifically for carrying out grabgraf by pre-configured grabgraf instruction to described target picture, obtains the target image of described target picture.
In conjunction with second aspect present invention, the first execution mode of second aspect present invention, in the second execution mode of second aspect present invention, can comprise:
Converting unit, for described reference picture is converted to the first byte stream, and is converted to the second byte stream by described target image;
Described judging unit, specifically for judging that whether described first byte stream is identical with described second byte stream, if identical, then determines described target image and described reference picture coupling.
In conjunction with second aspect present invention, the first execution mode of second aspect present invention, in the 3rd execution mode of second aspect present invention, can comprise:
Memory cell, for storing described reference picture by external memory storage.
In conjunction with second aspect present invention, the first execution mode of second aspect present invention, in the 4th execution mode of second aspect present invention, can comprise:
Detecting unit, detects output port corresponding to described video port to be detected for adopting the method for automatic optics inspection.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages: the tableaux obtained by detecting normal video port in advance due to the reference picture signal that is tableaux, so reference picture is image accurately; When detecting video port to be detected, only need to judge whether target image mates with reference picture, if coupling, video port then to be detected is normal video port, in addition, must ensure that the type of video port to be detected is identical with the type detecting normal video port in advance, to ensure the correctness detected.As can be seen here, employing the present invention just can complete the detection to all video ports to be detected, overcomes the poor efficiency of the method for manual detection, improves production efficiency.
Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.The embodiments described herein should be appreciated that the data used like this can be exchanged in the appropriate case, so that can be implemented with the order except the content except here diagram or description.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Refer to Fig. 1, the method detecting video port in the embodiment of the present invention comprises:
101, the signal of tableaux is received by video port to be detected;
In the present embodiment, in order to detect video port, first received the signal of tableaux by video port to be detected.
It should be noted that, in actual applications, in the process detected video port, can detect the video port of forming machine, also can detect the video port on independent board, wherein this forming machine comprises television set.
102, the target image that the signal of this tableaux is corresponding is obtained;
After the signal being received tableaux by video port to be detected, obtain the target image that the signal of this tableaux is corresponding.
Be understandable that, if this video port to be detected is normal video port, this target image is obviously normal image.
Optionally, in some embodiments of the invention, the target image that the signal that obtains this tableaux is with the following method corresponding can be adopted:
Target picture corresponding to the signal of this tableaux is shown by display screen;
By pre-configured grabgraf instruction, grabgraf is carried out to this target picture, obtain the target image of this target picture.
Above-mentioned grabgraf instruction can by grabgraf software simulating conventional on the market at present.
It should be noted that, the present invention can also adopt additive method to obtain target image corresponding to the signal of this tableaux, is not construed as limiting herein.
103, the reference picture prestored is obtained, this reference picture is the still image that the signal of this tableaux obtains by detecting normal video port in advance, wherein, this type detecting normal video port is in advance identical with the type of this video port to be detected;
First a normal video port is detected, by the signal of this tableaux by this normal video port, obtain reference picture, obviously, the reference picture herein obtained is the image that display is correct, in some embodiments of the invention, after obtaining reference picture, comprising: store this reference picture by external memory storage.It should be noted that, this external memory storage can be USB flash disk, is not construed as limiting herein.
In addition, owing to each machine or board generally existing multiple dissimilar video port, in order to ensure the consistency of the type of detection port, the type of this type and this video port to be detected of detecting normal video port in advance must be identical.Such as: if the type of video port to be detected is HDMI, then the type detecting normal video port in advance is also HDMI.
It should be noted that, video port can be: HDMI (High Definition Multimedia Interface) (HighDefinitionMultimediaInterface, HDMI), Composite Video Baseband Signal (CompositeVideoBroadcastSignal, and video transmission standard (VideoGraphicsArray, VGA) etc. CVBS).
Be understandable that, a normal video port can be obtained by the method for manual detection, contrasted by a normal video port and all video ports to be detected, judge whether video port to be detected is normal video port.
104, judge whether this target image and this reference picture mate, if coupling, then perform step 105;
After acquisition target image and reference picture, judge whether this target image and this reference picture mate, if coupling, then perform step 105.
Optionally, in some embodiments of the invention, a kind of method whether this target image and this reference picture mate that judges is provided, as follows:
This reference picture is converted to the first byte stream, and this target image is converted to the second byte stream;
Judge that whether this first byte stream is identical with this second byte stream, if identical, then determine this target image and this reference picture coupling.
It should be noted that, be that a kind of in the embodiment of the present invention determines the method that this reference picture and this target image match above by the method being converted to byte stream with reference to image and target image, should not be construed as limitation of the present invention, in actual applications, other method can also be taked, be specifically not construed as limiting herein.
105, determine that this video port to be detected is normal video port.
If determine this target image and this reference picture coupling, then illustrate that this video port to be detected is normal video port.
Be understandable that, if judge, this target image and this reference picture do not mate, then illustrate that this video port to be detected has problems.
Optionally, in some embodiments of the invention, can also comprise:
The method of automatic optics inspection (AutomaticOpticInspection, AOI) is adopted to detect output port corresponding to above-mentioned video port to be detected.
It should be noted that, the method for manual detection can also be adopted to detect output port.
It should be noted that, only can detect any one input channel in all input channels of machine to be detected or board to be detected, simplify testing process.By the detection to video port and output port, complete the detection of the port to machine to be detected or board to be detected.
Be understandable that, adopt the present invention, can detect all dissimilar video ports and corresponding output port, overcome the poor efficiency of manual detection.
In the present embodiment, due to the tableaux that the reference picture signal that is tableaux obtains by detecting normal video port in advance, so reference picture is image accurately; When detecting video port to be detected, only need to judge whether target image mates with reference picture, if coupling, video port then to be detected is normal video port, in addition, must ensure that the type of video port to be detected is identical with the type detecting normal video port in advance, to ensure the correctness detected.As can be seen here, employing the present invention just can complete the detection to all video ports to be detected, overcomes the poor efficiency of the method for manual detection, improves production efficiency.
Secondly, obtain target image by grabgraf instruction, make the present invention more perfect.
Finally, judge whether reference picture and target image mate, and improve the selectivity of scheme by being converted to byte stream with reference to image and target image.
For the ease of understanding, be described with the method for the application scenarios of a reality to the detection video port in the embodiment of the present invention below:
The video port of existing 100 television sets needs to test, and chooses a television set wherein as with reference to machine, carries out manual testing, determine that each video port of this reference machine is normal video port to each video port of this reference machine.
The signal of tableaux is received at the video port 1 with reference to machine, and after this tableaux of display screen display of reference machine, transfer pre-configured grabgraf instruction, grabgraf is carried out to this tableaux, obtain the image of tableaux, and by reference to the video frequency processing chip of machine, the image zooming-out of this tableaux is kept in USB flash disk.In like manner, adopt similar method to reference to other video ports of machine, until the signal of tableaux is by reference to all video port of machine and by corresponding Image Saving to External memory equipment.
When detecting the video port of 99 remaining television sets, random selecting television set to be detected, USB flash disk is accessed this television set to be detected, and video port 1 input of the signal of tableaux from this television set to be detected is entered, in like manner, can in target picture corresponding to the signal of this tableaux of display screen display of television set to be detected, pass through grabgraf, obtain the image of this target picture, contrast the image of this target picture and the image of the above-mentioned tableaux corresponding with reference to machine, judge that whether the video port 1 of television set to be detected is normal, in like manner can judge that whether other video ports of television set to be detected are normal.After the video port of television set to be detected has detected, then adopt the detection of video port of the remaining television set that used the same method.
In addition, for the output port of 100 television sets, the method for manual detection or the method for AOI is adopted to detect.Just complete thus and the complete machine of 100 television sets is detected.
Introduce the equipment of the detection video port in the embodiment of the present invention below, refer to Fig. 2, in the embodiment of the present invention, equipment comprises:
Receiving element 201, for receiving the signal of tableaux by video port to be detected;
First acquiring unit 202, the target image that the signal for obtaining tableaux is corresponding;
Second acquisition unit 203, for obtaining the reference picture prestored, reference picture is the still image that the signal of tableaux obtains by detecting normal video port in advance, and wherein, the type detecting normal video port is in advance identical with the type of video port to be detected;
Judging unit 204, for judging whether target image and reference picture mate;
Determining unit 205, if be judged as coupling for judging unit, then determines that video port to be detected is normal video port.
Optionally, in some embodiments of the invention, as shown in Figure 3, also comprise:
Display unit 206, the target picture that the signal for being shown tableaux by display screen is corresponding;
First acquiring unit 202, specifically for carrying out grabgraf by pre-configured grabgraf instruction to target picture, obtains the target image of target picture.
Optionally, in some embodiments of the invention, as shown in Figure 3, also comprise:
Converting unit 207, for being converted to the first byte stream with reference to image, and is converted to the second byte stream by target image;
Judging unit 204, specifically for judging that whether the first byte stream is identical with the second byte stream, if identical, then determines target image and reference picture coupling.
Optionally, in some embodiments of the invention, as shown in Figure 3, also comprise:
Memory cell 208, for passing through external memory storage stored reference image.
Optionally, in some embodiments of the invention, as shown in Figure 3, also comprise:
Detecting unit 209, detects output port corresponding to video port to be detected for adopting the method for automatic optics inspection.
In the present embodiment, due to the tableaux that the reference picture signal that is tableaux obtains by detecting normal video port in advance, so reference picture is image accurately; When detecting video port to be detected, only need to judge whether target image mates with reference picture, if coupling, video port then to be detected is normal video port, in addition, must ensure that the type of video port to be detected is identical with the type detecting normal video port in advance, to ensure the correctness detected.As can be seen here, employing the present invention just can complete the detection to all video ports to be detected, overcomes the poor efficiency of the method for manual detection, improves production efficiency.
Secondly, obtain target image by grabgraf instruction, make the present invention more perfect.
Finally, judge whether reference picture and target image mate, and improve the selectivity of scheme by being converted to byte stream with reference to image and target image.
For the ease of understand, below with the application scenarios of a reality to being described alternately between each unit of equipment in the present embodiment:
The video port of existing 100 television sets needs to test, and chooses a television set wherein as with reference to machine, carries out manual testing, determine that each video port of this reference machine is normal video port to each video port of this reference machine.
The signal of tableaux is received at the video port 1 with reference to machine, and after this tableaux of display screen display of reference machine, transfer pre-configured grabgraf instruction, grabgraf is carried out to this tableaux, obtain the image of tableaux, by reference to the video frequency processing chip of machine, the image zooming-out of this tableaux is kept in USB flash disk by memory cell 208.In like manner, adopt similar method to reference to other video ports of machine, until the signal of tableaux is by reference to all video port of machine and by corresponding Image Saving to External memory equipment.
When detecting the video port of 99 remaining television sets, random selecting television set to be detected, USB flash disk is accessed this television set to be detected, and video port 1 input of the signal of tableaux from this television set to be detected is entered, receiving element 201 receives the signal of this tableaux, in like manner, display unit 206 can in target picture corresponding to the signal of this tableaux of display screen display of television set to be detected, first acquiring unit 202 passes through grabgraf, obtain the image of this target picture, second acquisition unit 203 obtains the image of the tableaux prestored, judging unit 204 judges whether the image of this target picture and the image of the above-mentioned tableaux corresponding with reference to machine mate, judge that whether the video port 1 of television set to be detected is normal, if coupling, then determining unit 205 determines that the video port 1 of television set to be detected is normal video port, in like manner can judge that whether other video ports of television set to be detected are normal.After the video port of television set to be detected has detected, then adopt the detection of video port of the remaining television set that used the same method.
In addition, for the output port of 100 television sets, detecting unit 209 adopts the method for AOI to detect.Just complete thus and the complete machine of 100 television sets is detected.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the system of foregoing description, the specific works process of device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that, disclosed system, apparatus and method, can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), magnetic disc or CD etc. various can be program code stored medium.
The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is embodiment of the present invention method flow schematic diagram;
Fig. 2 is embodiment of the present invention device structure schematic diagram;
Fig. 3 is embodiment of the present invention device structure schematic diagram.
Embodiment
Embodiments provide a kind of method and apparatus detecting video port, for enhancing productivity.
The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, should belong to the scope of protection of the invention.
Claims (10)
1. detect a method for video port, it is characterized in that, comprising:
The signal of tableaux is received by video port to be detected;
Obtain the target image that the signal of described tableaux is corresponding;
Obtain the reference picture prestored, described reference picture is the still image that the signal of described tableaux obtains by detecting normal video port in advance, wherein, the described type detecting normal video port is in advance identical with the type of described video port to be detected;
Judge whether described target image and described reference picture mate, if coupling, then determine that described video port to be detected is normal video port.
2. method according to claim 1, is characterized in that, the target image that the signal of the described tableaux of described acquisition is corresponding comprises:
Target picture corresponding to the signal of described tableaux is shown by display screen;
By pre-configured grabgraf instruction, grabgraf is carried out to described target picture, obtain the target image of described target picture.
3. method according to claim 1 and 2, is characterized in that, describedly judges whether described target image and described reference picture mate and comprises:
Described reference picture is converted to the first byte stream, and described target image is converted to the second byte stream;
Judge that whether described first byte stream is identical with described second byte stream, if identical, then determine described target image and described reference picture coupling.
4. method according to claim 1 and 2, is characterized in that, described method also comprises:
Described reference picture is stored by external memory storage.
5. method according to claim 1 and 2, is characterized in that, described method also comprises:
The method of automatic optics inspection is adopted to detect output port corresponding to described video port to be detected.
6. detect an equipment for video port, it is characterized in that, comprising:
Receiving element, for receiving the signal of tableaux by video port to be detected;
First acquiring unit, the target image that the signal for obtaining described tableaux is corresponding;
Second acquisition unit, for obtaining the reference picture prestored, described reference picture is the still image that the signal of described tableaux obtains by detecting normal video port in advance, wherein, the described type detecting normal video port is in advance identical with the type of described video port to be detected;
Judging unit, for judging whether described target image and described reference picture mate;
Determining unit, if be judged as coupling for judging unit, then determines that described video port to be detected is normal video port.
7. equipment according to claim 6, is characterized in that, described equipment also comprises:
Display unit, the target picture that the signal for being shown described tableaux by display screen is corresponding;
Described first acquiring unit, specifically for carrying out grabgraf by pre-configured grabgraf instruction to described target picture, obtains the target image of described target picture.
8. the equipment according to claim 6 or 7, is characterized in that, described equipment also comprises:
Converting unit, for described reference picture is converted to the first byte stream, and is converted to the second byte stream by described target image;
Described judging unit, specifically for judging that whether described first byte stream is identical with described second byte stream, if identical, then determines described target image and described reference picture coupling.
9. the equipment according to claim 6 or 7, is characterized in that, described equipment also comprises:
Memory cell, for storing described reference picture by external memory storage.
10. the equipment according to claim 6 or 7, is characterized in that, described equipment also comprises:
Detecting unit, detects output port corresponding to described video port to be detected for adopting the method for automatic optics inspection.
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| CN111028222B (en) * | 2019-12-11 | 2023-05-30 | 广州视源电子科技股份有限公司 | Video detection method and device, computer storage medium and related equipment |
| CN112291557A (en) * | 2020-09-17 | 2021-01-29 | 苏州华兴源创科技股份有限公司 | Image signal generator output interface detection device and system |
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