CN105657412A - Video frame rate test method - Google Patents
Video frame rate test method Download PDFInfo
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- CN105657412A CN105657412A CN201511031324.2A CN201511031324A CN105657412A CN 105657412 A CN105657412 A CN 105657412A CN 201511031324 A CN201511031324 A CN 201511031324A CN 105657412 A CN105657412 A CN 105657412A
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- video frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N17/00—Diagnosis, testing or measuring for television systems or their details
Abstract
The invention relates to the technical field of video test, and particularly relates to a video frame rate test method. The video frame rate test method can be used in whole process image signal test of a digital end-to-end device, and the digital end-to-end device comprises a graph generator provided with an LED lamp array; a plurality of LED lamps on the LED lamp array along a preset direction are selected to serve as a test lamp group, the test lamp group comprises a plurality of light emitting units, and each light emitting unit comprises a plurality of adjacent LED lamps; each light emitting unit is turned on in sequence, and the lighting frequency of the light emitting units is gradually increased; and an image displayed by the test lamp group is obtained by an image capturer in real time, and when the obtained image of the light emitting unit is static, the lighting frequency value on the graph generator at the moment is used as the value of the video frame rate of the digital end-to-end device, and then the whole process image signal test is completed. Since the video frame rate test method in the technical scheme is simple, easy to implement and is relatively high in test efficiency and reliability, the whole process image signal test can be completed quickly.
Description
Technical field
The present invention relates to video technical field of measurement and test, particularly relate to the testing method of a kind of video frame per second.
Background technology
At present, non-standard or take the digital end opposite end equipment of encryption technology very many without standard interface or transmission agreement, as existing electrical signal-image signal testing method can be adopted cannot to carry out Validity Test, but it all can only adopt end-to-end omnidistance image signal testing. Wherein, intercom system of residing for house safety technological prevention product building, because of its transmission, agreement is non-standard and interface non-standard so that it is the test of voice quality can only carry out omnidistance image signal testing. Such as, in family's building talkback machine, video becomes the effective tool of a kind of information identification, the building talkback machine being loaded with video can not only allow owner catch the sound of guest, more can effectively identify that the person that has come is for whom, and change improves the safety of family to a certain extent, but, video equipment wherein not can provide image clearly for client once producing, and the generation of this clear image is that the result based on a series of Validity Test carries out loop test and debugging, wherein just comprises frame per second test. But, the test of current frame per second can not meet the requirement of the building talkback machine developed gradually.
Therefore, the test how efficiently completing video frame per second becomes the big difficult problem that those skilled in the art face.
Summary of the invention
In view of the above problems, the present invention provides the testing method of a kind of video frame per second, can be applicable to omnidistance image signal testing that is non-standard without standard interface or transmission agreement or that take the digital end opposite end equipment (equipment such as intercommunication of residing such as house safety technological prevention product building) of encryption technology to carry out, and above-mentioned digital end opposite end equipment can comprise the graphicalphanumeric generator being provided with LED light array, described method can comprise;
Video capturing device is provided;
Selecting some LED as test lamp group along preset direction on described LED light array, described test lamp group comprises multiple luminous unit, and each luminous unit includes adjacent multiple described LED;
Light each luminous unit successively according to rearwardly putting in order from this test lamp group head along described test lamp group bearing of trend, utilize the image that described image-capturing apparatus obtains described test lamp group in real time and presents simultaneously;
Promote the ignition frequency of described luminous unit on described image producer gradually; And
When described image capture device capture to described test lamp group on the image of described luminous unit present static dynamic state time, record the ignition frequency on now image producer;
Wherein, using the value of described ignition frequency that records as the value of the video frame per second of described digital end opposite end equipment.
As a preferred embodiment, the testing method of above-mentioned video frame per second also comprises:
Described image capture device capture to described test lamp group on the image of described luminous unit present static dynamic state time, stop promoting the ignition frequency of described luminous unit on described image producer;
Judge that the image of described luminous unit in described test lamp group keeps whether static not dynamic state reaches the default time;
If reaching the default time, then record the ignition frequency on image producer, and the value using the value of this ignition frequency as the video frame per second of described digital end opposite end equipment;
Otherwise, continue to promote the ignition frequency of described luminous unit on described image producer.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
The described default time is 5��15s, such as 5s, 10s, 12s or 15s etc.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
Described in each, luminous unit includes four or five the described LED that adjacent continuous is arranged.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
Described graphicalphanumeric generator also comprises programmable controller;
Described programmable controller is connected with described LED light array, to control the ignition frequency of described luminous unit.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
Column direction or line direction along described LED light array carry out selected described test lamp group.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
When described test lamp group lighted by described graphicalphanumeric generator, described in each, the lighting time of luminous unit is the very first time, and the interval time of lighting between the described luminous unit being disposed adjacent was the 2nd time;
Wherein, the value of described 2nd time is greater than the value of the described very first time.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
Relational expression between the described very first time and described 2nd time is:
T1=k*T2;
Wherein, T1 is the described very first time, and T2 is described 2nd time, k be less than 1 positive number.
As a preferred embodiment, in the testing method of above-mentioned video frame per second:
Described k is 0.5.
Technique scheme tool has the following advantages or useful effect:
The technical program, by promoting in the equipment of digital end opposite end the ignition frequency of luminous unit in test lamp group on graphicalphanumeric generator gradually, and utilizing the image that video capturing device obtains test lamp group in real time and presents, during to present stationary state according to this image, the ignition frequency of test lamp group obtains the video frame per second of this graphicalphanumeric generator; This technical scheme is simply, easily implement, and there is higher test efficiency and reliability, and then can effectively reduce the frame per second testing cost of the digital end opposite end whole system of equipment and promote the accuracy of test, substantially increase the efficiency of the omnidistance image signal testing of digital end opposite end equipment.
Accompanying drawing explanation
With reference to appended accompanying drawing, to describe embodiments of the invention more fully. But, appended accompanying drawing only for illustration of and elaboration, do not form limitation of the scope of the invention.
Fig. 1 is the schema of the testing method of video frame per second in one embodiment of the invention;
Fig. 2 is the structural representation of LED light array in one embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is further described:
Fig. 1 is the schema of the testing method of video frame per second in one embodiment of the invention, and Fig. 2 is the structural representation of LED light array in one embodiment of the invention; As shown in Fig. 1��2, the testing method of a kind of video array, can be applicable to omnidistance image signal testing (realizing above-mentioned omnidistance image signal testing as tested (Frameratetest) by frame per second) that is such as non-standard without standard interface or transmission agreement or that take the digital end opposite end equipment (equipment such as intercommunication of residing such as house safety technological prevention product building) of encryption technology to carry out, and this digital end opposite end equipment can comprise by the graphicalphanumeric generator of LED light array, described method can comprise;
First, it is provided for the video capturing device of picture catching; This video capturing device can be can the audio frequency and video shooting equipment of actual test demand such as video recorder (such as Video Disk Recorder (VideoDiskRecorder, be called for short VDR) etc.).
Preferably, above-mentioned graphicalphanumeric generator also can comprise the programmable controller being connected with LED light array, carries out lighting test to control part or all of LED in this LED light array; LED light array then can comprise some LED identical according to some performances of the spacing arrangements such as ranks, and as shown in Figure 2, this LED light array can comprise matrix form arrangement totally 100 LED 1 of 10*10.
Secondly, select in above-mentioned LED light array LED at least partially according to default condition and form test lamp group, and this test lamp group is in LED light array adjacent continuous is arranged successively; A row or column LED can be selected as test lamp group along row or column bearing of trend, it is possible to for selecting some LED adjacent successively as test lamp group along the oblique line intersected with line direction or row in this LED light array; Preferably this test lamp group is arranged in order selected one group of adjacent LED on the same line as test lamp group. Such as, as shown in Figure 2,1*10 adjacent successively LED can be selected as test lamp group 2 (chooseone1*10horizontalledarrayinthecenterofLEDmatrixtot est) at the center of the matrix form arrangement LED light array of above-mentioned 10*10 along line direction (such as horizontal direction);
Further, above-mentioned test lamp group comprises the luminous unit that some continuous adjacent are arranged, each luminous unit all at least comprises a LED, and for the ease of follow-up imaging observation, each luminous unit includes the LED that multiple continuous adjacent is arranged, all can comprising the LED of four or five continuous adjacent settings in unit as luminous in each, the quantity of LED concrete in certainly luminous unit can carry out accommodation according to the actual video demand of testing.
Preferably, in same luminous unit, all LED carry out follow-up light test time all same time luminous or close, namely a luminous unit carries out video test as a luminous fundamental element.
Afterwards, the test lamp group that the control of above-mentioned graphicalphanumeric generator can be utilized selected lights each luminous unit along this test lamp group bearing of trend from its one end successively to the other end; As BIS audio/video communication circuit (initiatetheBISaudio/videocommunication) of LED light array can be connected, so that utilizing programmable controller can control the ignition frequency of test lamp group, so that graphicalphanumeric generator is tested.
Further, when graphicalphanumeric generator is tested, the ignition frequency of test lamp group is adjusted by programmable controller, the such as ignition frequency of adjustable graphicalphanumeric generator (namely makes within test lamp group every second, to light a luminous unit from 1 hertz, and the glittering time of each luminous unit is 0.1s), the luminous unit of each in corresponding test lamp group can according to the ignition frequency arranged vision effect (adjusttherateofLIG (f) from1Hz (eachledisactivatedonceeverysecondwithaflashtimeof1/ (10f) s) upwardsothe10LEDswillmoveonebyonehorizontallyaccordingto therateset) presenting movement gradually from the head of test lamp group according to default direction (direction as extended to its afterbody) one by one.
Simultaneously, when adjusting the ignition frequency of graphicalphanumeric generator, also can utilize the image that above-mentioned video capturing device obtains test lamp group in real time and presents, and by judging that whether image that this test lamp group presents is that stationary state carries out video test (this step can manually visual determination also judge that module is analyzed, by obtaining in real time, the image that video capturing device catches and realized by arranging); Such as, when the image utilizing video capturing device to obtain test lamp group in real time, now observe image and should present mobile state, therefore the ignition frequency of lifting graphicalphanumeric generator gradually (frequency values of adjustment every time can be set according to the reality demand of testing, as set according to parameters such as the minimum frequencies that the minimum frequency that can obtain of video equipment or observe can be distinguished, concrete can promote such as 0.5Hz, 1Hz, 1.75Hz etc. every time); Until when the image of observation presents stationary state, the value of the ignition frequency of the graphicalphanumeric generator now recorded just can be used as the value of the video frame per second of digital end opposite end equipment.
As shown in Figure 2, by Visual Observations Observations or utilize image multilevel iudge device detect in real time on video capturing device obtain real-time image whether present stationary state, as observation or the luminous unit (comprising the LED 1 that four continuous adjacent are arranged) that judges to light in above-mentioned test lamp group 2 stop mobile time, then can stop increasing the ignition frequency of graphicalphanumeric generator, and record the value of value using the video frame per second as graphicalphanumeric generator of current ignition frequency. preferably, mobile (namely keeping stationary state) can be stopped and remaining on the default time that (this default time can be that a time preset also can be a concrete time value observing image, as this preset can any time value in value 5��15s such as 5s, 10s, 12s or 15s etc., also can be [5, 10] time threshold, specifically can set according to the test demand of reality) after, just record the ignition frequency of now graphicalphanumeric generator, to guarantee the real effectiveness (watchtheimageonVRDandstopincreasingtherateofLIGwhentheLE DsappearstomovingonVRD.Thisstatemustbemaintainedover10st oensureitsvalidity.RecordthevalueofrateonLIG.Thisvalueis theframerate (fr) ofEUT) of record value.
Certainly, above by Visual Observations Observations or utilize image multilevel iudge device detect in real time on video capturing device obtain real-time image whether present stationary state time, as observation or the luminous unit (comprising the LED 1 that four continuous adjacent are arranged) that judges to light in above-mentioned test lamp group 2 present mobile state time, then can continue to promote the ignition frequency of graphicalphanumeric generator, until image presents stationary state in real time, just stop promoting the ignition frequency of graphicalphanumeric generator.
Further, if when above-mentioned real-time graph cannot maintain stationary state within the default time, it is possible to continue to promote the ignition frequency of graphicalphanumeric generator, until image presents stationary state and keeps the time of presetting in real time.
Concrete, if in test lamp group the lighting time of each luminous unit be T1, and adjacent light-emitting units interval time is T2, and T2 is greater than T1; And when utilizing programmable controller control test lamp group to test, by reducing T2 gradually so that test lamp group presents preset pattern.
In addition, in test process, T1 and T2 can be preset ratio relation, and namely in test process, T1 also reduces along with the reduction of T2, increases or immobilizes; The preset ratio relation presented between preferred T2 and T1 can be T1=k*T2, and k be less than 1 positive number, such as k can be 0.5 grade (as T2 be 100ms time, T1 is then 50ms, the ignition period of corresponding graphicalphanumeric generator is then 100ms, and now the frame per second of graphicalphanumeric generator is then 10fps).
Middle video frame per second testing method in the present embodiment is also not merely applicable in numeral building residence intercom system, can be all applicable for the delay test of the end-to-end non-standard interface of routine, non-standard transmission agreement and encrypted transmission, numeral building residence intercom system is a preferred embodiment, is not limitation of the present invention.
In sum, the present invention provides the testing method of a kind of video frame per second, can be applicable in the omnidistance image signal testing of digital end opposite end equipment, and this digital end opposite end equipment comprises the graphicalphanumeric generator being provided with LED light array, by selecting some LED as test lamp group along preset direction on LED light array, this test lamp group comprises multiple luminous unit, and each luminous unit includes adjacent multiple LED; And light each luminous unit from its head successively according to rearwardly putting in order along above-mentioned test lamp group bearing of trend; Afterwards, promote the ignition frequency of luminous unit gradually, utilize the figure that image-capturing apparatus obtains test lamp group in real time and presents simultaneously, and when image capture device capture to test lamp group on the image of luminous unit present static dynamic state time, record the ignition frequency on now image producer, namely the value of this ignition frequency just can be used as the value of the video frame per second of digital end opposite end equipment, and then completes above-mentioned omnidistance image signal testing. Due to the present invention technical scheme simply, easily implement, and there is higher test efficiency and reliability, and then can effectively reduce the frame per second testing cost of the digital end opposite end whole system of equipment and promote the accuracy of test, substantially increase the efficiency of the omnidistance image signal testing of digital end opposite end equipment.
Should be understood that, the present invention can implement in different forms, and should not be interpreted as the embodiment that is confined to propose here. On the contrary, it is provided that these embodiments will make openly thoroughly with complete, and the scope of the present invention is passed to those skilled in the art completely. In the accompanying drawings, in order to clear, the size in Ceng He district and relative dimension may be exaggerated. Same reference numerals represents identical element from start to finish.
Above the better embodiment of the present invention is described. It is understood that the present invention is not limited to above-mentioned particular implementation, the equipment wherein not described to the greatest extent in detail and structure are construed as to be implemented with the usual manner in this area; Any those of ordinary skill in the art, do not departing from technical solution of the present invention scope situation, all can utilize the Method and Technology content of above-mentioned announcement that technical solution of the present invention is made many possible variations and modification, or it being revised as the equivalent embodiment of equivalent variations, this does not affect the flesh and blood of the present invention. Therefore, every content not departing from technical solution of the present invention, the technical spirit of foundation the present invention, to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (10)
1. the testing method of a video frame per second, it is characterised in that, it is applied in the omnidistance image signal testing of digital end opposite end equipment, and this digital end opposite end equipment comprises the graphicalphanumeric generator being provided with LED light array, described method comprises:
Video capturing device is provided;
Selecting some LED as test lamp group along preset direction on described LED light array, described test lamp group comprises multiple luminous unit, and each luminous unit includes adjacent multiple described LED;
Light each luminous unit successively according to rearwardly putting in order from this test lamp group head along described test lamp group bearing of trend, utilize the image that described image-capturing apparatus obtains described test lamp group in real time and presents simultaneously;
Promote the ignition frequency of described luminous unit on described image producer gradually; And
When described image capture device capture to described test lamp group on the image of described luminous unit present static dynamic state time, record the ignition frequency on now image producer;
Wherein, using the value of described ignition frequency that records as the value of the video frame per second of described digital end opposite end equipment.
2. the testing method of video frame per second as claimed in claim 1, it is characterised in that, described method also comprises:
Described image capture device capture to described test lamp group on the image of described luminous unit present static dynamic state time, stop promoting the ignition frequency of described luminous unit on described image producer;
Judge that the image of described luminous unit in described test lamp group keeps whether static not dynamic state reaches the default time;
If reaching the default time, then record the ignition frequency on image producer, and the value using the value of this ignition frequency as the video frame per second of described digital end opposite end equipment;
Otherwise, continue to promote the ignition frequency of described luminous unit on described image producer.
3. the testing method of video frame per second as claimed in claim 2, it is characterised in that, the described default time is 5��15s.
4. the testing method of video frame per second as claimed in claim 3, it is characterised in that, the described default time is 10s.
5. the testing method of video frame per second as claimed in claim 1, it is characterised in that, in described method:
Described in each, luminous unit includes four or five the described LED that adjacent continuous is arranged.
6. the testing method of video frame per second as claimed in claim 1, it is characterised in that, described graphicalphanumeric generator also comprises programmable controller;
Described programmable controller is connected with described LED light array, to control the ignition frequency of described luminous unit.
7. the testing method of video frame per second as claimed in claim 1, it is characterised in that, in described method:
Column direction or line direction along described LED light array carry out selected described test lamp group.
8. the testing method of video frame per second as claimed in claim 2, it is characterised in that, in described method:
When described test lamp group lighted by described graphicalphanumeric generator, described in each, the lighting time of luminous unit is the very first time, and the interval time of lighting between the described luminous unit being disposed adjacent was the 2nd time;
Wherein, the value of described 2nd time is greater than the value of the described very first time.
9. the testing method of video frame per second as claimed in claim 8, it is characterised in that, the relational expression between the described very first time and described 2nd time is:
T1=k*T2;
Wherein, T1 is the described very first time, and T2 is described 2nd time, k be less than 1 positive number.
10. the testing method of video frame per second as claimed in claim 9, it is characterised in that, described k is 0.5.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933397A (en) * | 2019-10-19 | 2020-03-27 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision imaging delay testing device and method |
| CN112147439A (en) * | 2020-09-10 | 2020-12-29 | 北京罗克维尔斯科技有限公司 | Instrument detection method, device, equipment, storage medium and system |
| CN114210043A (en) * | 2021-12-15 | 2022-03-22 | 杨键 | Multi-dimensional shadow imaging method and system based on rope skipping movement |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622641A (en) * | 2004-12-13 | 2005-06-01 | 武汉大学 | A method for testing video frame rate of video coding-decoding system |
| CN1645944A (en) * | 2004-12-13 | 2005-07-27 | 武汉大学 | Method for testing audio and video frequency step falling out of audio and video frequency coding-decoding system |
| CN101345892A (en) * | 2008-08-19 | 2009-01-14 | 北京中星微电子有限公司 | Video display method and system |
| CN101368992A (en) * | 2007-08-15 | 2009-02-18 | 鸿富锦精密工业（深圳）有限公司 | Test system and method of video signal generator |
| CN201467383U (en) * | 2009-07-27 | 2010-05-12 | 北京汉邦高科数字技术有限公司 | Video frequency frame rate tester |
| CN102937480A (en) * | 2012-11-21 | 2013-02-20 | 广东欧珀移动通信有限公司 | Method, device and mobile terminal for detecting ambient light frequency |
| CN103796005A (en) * | 2012-10-29 | 2014-05-14 | 腾讯科技（深圳）有限公司 | Video frame rate test method and device |
-
2015
- 2015-12-31 CN CN201511031324.2A patent/CN105657412B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1622641A (en) * | 2004-12-13 | 2005-06-01 | 武汉大学 | A method for testing video frame rate of video coding-decoding system |
| CN1645944A (en) * | 2004-12-13 | 2005-07-27 | 武汉大学 | Method for testing audio and video frequency step falling out of audio and video frequency coding-decoding system |
| CN101368992A (en) * | 2007-08-15 | 2009-02-18 | 鸿富锦精密工业（深圳）有限公司 | Test system and method of video signal generator |
| CN101345892A (en) * | 2008-08-19 | 2009-01-14 | 北京中星微电子有限公司 | Video display method and system |
| CN201467383U (en) * | 2009-07-27 | 2010-05-12 | 北京汉邦高科数字技术有限公司 | Video frequency frame rate tester |
| CN103796005A (en) * | 2012-10-29 | 2014-05-14 | 腾讯科技（深圳）有限公司 | Video frame rate test method and device |
| CN102937480A (en) * | 2012-11-21 | 2013-02-20 | 广东欧珀移动通信有限公司 | Method, device and mobile terminal for detecting ambient light frequency |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933397A (en) * | 2019-10-19 | 2020-03-27 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision imaging delay testing device and method |
| CN110933397B (en) * | 2019-10-19 | 2021-05-18 | 中国航空工业集团公司洛阳电光设备研究所 | High-precision imaging delay testing device and method |
| CN112147439A (en) * | 2020-09-10 | 2020-12-29 | 北京罗克维尔斯科技有限公司 | Instrument detection method, device, equipment, storage medium and system |
| CN114210043A (en) * | 2021-12-15 | 2022-03-22 | 杨键 | Multi-dimensional shadow imaging method and system based on rope skipping movement |
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