CN104093017B - A kind of method being realized three road signal monitorings by contrast - Google Patents
A kind of method being realized three road signal monitorings by contrast Download PDFInfo
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Abstract
The present invention relates to and a kind ofly realize the method for three road signal monitorings by contrast, it comprises the following steps: all signal single channel realize Hei Chang, quiet frame, noiseless, mosaic, tie rod identification; Image comparison is carried out to two two paths of signals between three road signals, thus finds that whether two two-way are identical; Report to the police and contrast in comprehensive each road, if there is warning, but contrast is consistent, then think that false-alarm is filtered; If contrast inconsistent, then reach a conclusion with reference to concrete warning.To the longitudinally contrast of equipment front stage signal, if contrast is consistent, then think that equipment is normal; If contrast inconsistent, then think that equipment breaks down.Its advantage is: effectively false, false alarm in filtering video signal monitoring, distinguish which be people for adding, which broadcasts link failure and causes, thus increases the fail safe of monitoring system, the complexity that final minimizing is manually thought deeply, improves accuracy and efficiency.
Description
Technical field
The present invention relates to broadcast television signal monitoring field, specifically, is a kind of method being realized three road signal monitorings by contrast.
Background technology
In prior art, mainly there are the following problems in TV programme monitoring:
1. the needs of program, cause the scene of a small amount of program identical with the phenomenon of fault, are thus difficult to determine whether fault at the appointed time." the black field ", " quiet frame " mainly paid close attention to for TV station, " noiseless " three major types are reported to the police, and Ru Heichang had both been likely signal interruption, equipment fault causes, and are also likely program scene (as shown The darkest hour is nearest the dawn.); Quiet frame had equally both been likely (only the showing last frame after shutting down) that equipment fault causes, and was also likely program scene; Noiseless, inherently there is pause because behaving to speak, thus in the short time, not having audio signal to can hardly be avoided.
2. partial fault is reported to the police and is difficult to identification, as mosaic, tie rod phenomenon, adopts the analysis to signal, and due to phenomenon identification difficulty, thus current technology or speed are too slow, cannot be satisfied with the requirement of broadcasting, or is not by force that false is too much because of algorithm specific aim.
3. cannot judge the anomaly caused because of equipment fault.Hei Chang as above, quiet frame, noiseless, the fault such as mosaic, tie rod are all because equipment fault causes.In theory, when there is above-mentioned fault, time equipment occurs abnormal just, at this moment, even if read by equipment, also differ and obtain out of order accurate information in time surely.In addition, equipment component is when breaking down, and the image just exported creates deformation, signal attenuation, just makes the judgement of fault more complicated.
Analyze above-mentioned each problem, all deficiencies are all because traditional analysis is all analyze for single signal, and an in fact TV station, most time device, signal are all normal, and the fault of equipment, signal belongs to " probability event ".According to this principle, then, completely independently in two paths of signals, at one time in section, there is the probability of same fault " small probability event " especially simultaneously.
Chinese patent literature CN103167221A, February 6 2013 applying date, patent name is a kind of changing method ensureing to broadcast safety by quality supervision comparison, disclose a kind of to video and audio dominant frequency input signal in broadcast system, video and audio carries out video and audio supervision quality for input signal, switch according to comparison result, thus ensure the changing method broadcasting safety.But about the contrast introduced between identical signal, and it is different according to the image between two signals or multi signal, effective filtration is false, errant component wherein, revise wherein bad state, entirety is tending towards the most rationally, the state of the safest, most hommization, the complexity that final minimizing is manually thought deeply, improves accuracy and a kind of method realizing three road signal monitorings by contrast of efficiency yet there are no report.
Summary of the invention
The object of the invention is for deficiency of the prior art, a kind of method being realized three road signal monitorings by contrast is provided, introduce the contrast between identical signal, and according to the image between two signals or multi signal, audio frequency difference, quick discovery fault, distinguish fault, reduce algorithm complexity, thus raise the efficiency.
For achieving the above object, the technical scheme that the present invention takes is:
Realized a method for multiple signals monitoring by method, the method for described monitoring comprises the following steps:
Step a, link is independent, the three road signals that content is identical and synchronous, input 1, input 2, input 3, carry out signal monitoring respectively, and described three road signal single channel realize Hei Chang, quiet frame, noiseless, mosaic, tie rod identification;
Step b, to each road signal in " step a " carrying out Hei Chang, while quiet frame, noiseless, mosaic, tie rod detect, carry out contrasting between two between described three road signals;
Step c1, if three road signals currently occur Hei Chang, quiet frame, noiseless, mosaic, tie rod are reported to the police, but between three road signals, comparing result is consistent between two, then input that 1 is normal, input 2 is normal, input 3 is normal, and ignore above-mentioned warning, this warning is false-alarm;
Or step c2, if when first three road signal there is Hei Chang, quiet frame, noiseless, mosaic, tie rod report to the police, but between three road signals, comparing result is inconsistent between two, then input 1, input 2, input 3 Zhong You mono-road signals and break down; If input 1 is different from input 2, input 2 is identical with input 3, and input 3 is different with input 1, then input 1 fault, and input 2 is normal, and input 3 is normal; If input 1 is different from input 2, input 2 is different with input 3, and input 3 is identical with input 1, then input 1 is normal, inputs 2 faults, and input 3 is normal; If input 1 is 2 identical with input, input 2 is different with input 3, and input 3 is different with input 1, then input 1 normal, input 2 normally, inputs 3 faults; Fault alarm is sent according to comparing result.
Realized a method for three tunnel input by contrast, above-mentioned signal is the front stage signal of equipment, then above-mentioned steps c1 or c2 replaces with and performs step c3:
Step c3, carries out time delay contrast (this time delay is caused by equipment itself) to equipment front stage signal, if comparing result is inconsistent, then think device failure alert, comparing result unanimously then thinks that equipment is normal.
The invention has the advantages that:
1, effectively filter wherein false, errant component, revise wherein bad state, entirety is tending towards the most rationally, the state of the safest, most hommization, the final complexity reducing artificial thinking, raising accuracy and efficiency;
2, by the association between multiple signals, filter false, increase the phenomenon such as reliability, discovering device level fault of current alerts;
3, greatly increase the discovery time of fault and reduce the complexity of algorithm, thus raising the efficiency.
Accompanying drawing explanation
Accompanying drawing 1 is a kind of across comparison mode flow diagram being realized the method for three road signal monitorings by contrast of the present invention
Accompanying drawing 2 is a kind of longitudinal way of contrast flow diagrams being realized the method for three road signal monitorings by contrast of the present invention.
Embodiment
Below in conjunction with accompanying drawing, embodiment provided by the invention is elaborated.
A kind of audio and video frequency signal monitoring being mainly used in the unit such as monitoring, transmission, transmitting belonging to TV station, radio station, satellite digital broadcasting, broadcasting and TV by contrasting the method realizing three road signal monitorings of the present embodiment.On be the broadcast that ensures safety, often want Dui Zhe tri-road signal to monitor.
Please refer to Fig. 1, Fig. 1 is a kind of method being realized three road signal monitorings by way of contrast of the present invention
Across comparison mode FB(flow block).When unit broadcasts TV programme, broadcast front end often has three tunnel TV signal simultaneously, is called main path signal, standby road signal, standby 2 road signals are the broadcast that ensures safety, often want Dui Zhe tri-road signal to monitor, 3 road signals are carried out across comparison, by image comparison module monitors signal
Image, according to the mode analyzing failure cause of reporting to the police.
Please refer to following table, following table is a kind of across comparison mode statistical table being realized three road signal monitoring methods by contrast.
| Input 1 × input 2 | Input 2 × input 3 | Input 3 × input 1 | Conclusion |
| Identical | Identical | Identical | Input 1 is normal, and input 2 is normal, and input 3 is normal, and false-alarm is filtered |
| Different | Identical | Different | Input 1 fault, input 2 is normal, and input 3 is normal, system alarm |
| Different | Different | Identical | Input 1 is normal, inputs 2 faults, and input 3 is normal, system alarm |
| Identical | Different | Different | Input 1 is normal, and input 2 is normal, inputs 3 faults, system alarm |
Carry out across comparison between three road signals, above-mentioned across comparison refers to the comparison at Dian Dui tri-road signal at the same time, comprises audio frequency comparison, image ratio pair, and according to comparing result, thus find that fault produces source, it comprises the following steps:
Step a, will be independent to link, the three road signals that content is identical and synchronous, and input 1, input 2, input 3, shunt respectively, then carry out signal monitoring at shunting end, and described three road signal single channel realize Hei Chang, quiet frame, noiseless, mosaic, tie rod identification;
Step b, to each road signal in " step a " carrying out Hei Chang, while quiet frame, noiseless, mosaic, tie rod detect, carry out contrasting between two between three road signals;
Step c1, if when first three road signal there is Hei Chang, quiet frame, noiseless, mosaic, tie rod report to the police, but between three road signals, comparing result is consistent between two, then input that 1 is normal, input 2 is normal, input 3 is normal, and ignore above-mentioned warning, this warning is false-alarm;
Or step c2, if when first three road signal there is Hei Chang, quiet frame, noiseless, mosaic, tie rod report to the police, but between three road signals, comparing result is inconsistent between two, then input 1, input 2, input 3 Zhong You mono-road signals and break down; If input 1 is different from input 2, input 2 is identical with input 3, and input 3 is different with input 1, then input 1 fault, and input 2 is normal, and input 3 is normal; If input 1 is different from input 2, input 2 is different with input 3, and input 3 is identical with input 1, then input 1 is normal, inputs 2 faults, and input 3 is normal; If input 1 is 2 identical with input, input 2 is different with input 3, and input 3 is different with input 1, then input 1 normal, input 2 normally, inputs 3 faults, sends fault alarm according to comparing result.
Please refer to Fig. 2, Fig. 2 is a kind of longitudinal way of contrast flow diagram being realized the method for three road signal monitorings by contrast.Described longitudinally contrast refers in video flowing to appoint gets a bit in the contrast of different time points, and namely video flowing is before and after equipment time, the image before and after comparison, and whether audio frequency etc. are consistent; Described longitudinal way of contrast is provided with EM equipment module, image comparison module, video flowing input module; Described EM equipment module input termination video stream module, described image comparison module one end is connected with video stream module input, and the other end is connected with EM equipment module output.Under the prerequisite considering the time delay caused because of equipment itself, by the mode of the longitudinal contrast of signal before and after equipment, can discovering device fault.
Realized a method for three tunnel input by contrast, above-mentioned three road signals are the front stage signal of equipment, then above-mentioned steps c1 or c2 replaces with and performs step c3:
Step c3, contrasts equipment front stage signal, if comparing result is inconsistent, then think device failure alert, comparing result unanimously then thinks that equipment is normal.
The explanation needed, the identical image referring to two signals of described two signal contrast, audio frequency etc. are identical, and two signal differences refer to the image of two signals, and audio frequency is different; By multiple signals contrast between any two, the warning that can produce according to signal combination of two, out of order signal route can be judged, according to type of alarm, can judge that this signal fault belongs to Hei Chang, quiet frame, noiseless, the fault such as mosaic, tie rod.Described video flowing refers to the transmission of video data, when video flowing runs into equipment fault, the frequency of video flowing, the cycle can change, and image, the audio frequency of display also can change, around this principle, by image comparison module, front and back contrast is carried out to video streaming image, if image, audio frequency are unanimously before and after finding, then equipment fault-free, if find that front and back image, audio frequency are inconsistent, then device fails.Therefore pass through the across comparison between two between multiple signals, equipment longitudinally contrast can identify which be people is the fault added, as scenic picture such as blank screen, still frame, local mosaics, which broadcasts link failure causes, Ru Heichang, quiet frame, noiseless, mosaic, tie rod etc., the method effectively can filter wherein false, errant component, revise wherein bad state, entirety is tending towards the most rationally, the state of the safest, most hommization, the complexity that final minimizing is manually thought deeply, improves accuracy and efficiency.
Realizing a kind of hardware platform being realized the method for three road signal monitorings by contrast of the present embodiment, can be have video flowing input to gather, and the embedded system of image decoding analysis ability, also can be PC or server.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the inventive method; can also make some improvement and supplement, these improve and supplement and also should be considered as protection scope of the present invention.
Claims (2)
1. realized a method for three road signal monitorings by contrast, it is characterized in that, the method for described monitoring comprises the following steps:
Step a, link is independent, the three road signals that content is identical and synchronous, input 1, input 2, input 3, monitor respectively, and described three road signal single channel realize the step of Hei Chang, quiet frame, noiseless, mosaic, tie rod identification;
Step b, to each road signal in " step a " carrying out Hei Chang, while quiet frame, noiseless, mosaic, tie rod detect, carry out the step contrasted between two between described three road signals;
Step c1, if Hei Chang, quiet frame appear in described three road signals, noiseless, mosaic, tie rod are reported to the police, but between described three road signals, comparing result is consistent between two, then input that 1 is normal, input 2 is normal, input 3 is normal, ignore above-mentioned warning, this warning is the step of false-alarm;
Or step c2, if Hei Chang, quiet frame appear in current described three road signals, noiseless, mosaic, tie rod are reported to the police, but between described three road signals, comparing result is inconsistent between two, then input 1, input 2, input 3 Zhong You mono-road signals and break down; If input 1 is different from input 2, input 2 is identical with input 3, and input 3 is different with input 1, then input 1 fault, and input 2 is normal, and input 3 is normal; If input 1 is different from input 2, input 2 is different with input 3, and input 3 is identical with input 1, then input 1 is normal, inputs 2 faults, and input 3 is normal; If input 1 is 2 identical with input, input 2 is different with input 3, and input 3 is different with input 1, then input 1 normal, input 2 normally, inputs 3 faults; The step of fault alarm is sent according to comparing result.
2. a kind of method being realized three road signal monitorings by contrast according to claim 1, it is characterized in that, described signal is the front stage signal of equipment, then described step c1 or c2 replaces with and performs step c3:
To equipment front stage signal, step c3, considers that comparing result is inconsistent because of the contrast under the time delay time difference prerequisite that equipment causes, then think that described device failure alert, comparing result unanimously then think the normal step of described equipment.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104363444A (en) * | 2014-11-24 | 2015-02-18 | 上海风格信息技术股份有限公司 | Video and audio signal analyzing method based on correlation of multiple signals |
| CN104394462B (en) * | 2014-11-24 | 2017-12-08 | 上海佰贝科技发展有限公司 | A kind of identification method of audio frequency and video mosaic and tie rod failure |
| WO2017181390A1 (en) * | 2016-04-21 | 2017-10-26 | 深圳市樊溪电子有限公司 | Mosaic fault identification system for multichannel video signals |
| WO2017181389A1 (en) * | 2016-04-21 | 2017-10-26 | 深圳市樊溪电子有限公司 | Fault monitoring system for multi-channel audio and video signals |
| CN107888912A (en) * | 2017-11-22 | 2018-04-06 | 深圳创维－Rgb电子有限公司 | The abnormal recognition methods of display screen display and system |
| CN109001527B (en) * | 2018-10-17 | 2021-06-01 | 北京弘浩千瑞科技有限公司 | Equipment working state detection method |
| CN109493336B (en) * | 2018-11-14 | 2022-03-04 | 上海艾策通讯科技股份有限公司 | System and method for video mosaic identification automatic learning based on artificial intelligence |
| CN110213571A (en) * | 2019-06-13 | 2019-09-06 | 上海佰贝科技发展股份有限公司 | More monitoring point program real-time consistency assessment systems and method in a kind of broadcast link |
| CN110267032B (en) * | 2019-06-13 | 2020-12-18 | 上海佰贝科技发展股份有限公司 | Real-time quantitative evaluation system and method for abnormal state of black picture of broadcast program |
| CN111555827B (en) * | 2020-05-06 | 2021-09-03 | 中国商用飞机有限责任公司 | Method and apparatus for detecting air-to-ground links |
| CN115457747B (en) * | 2022-10-21 | 2024-02-27 | 贵州广播电视台 | Signal anomaly alarm method, device, equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0529196A2 (en) * | 1991-08-29 | 1993-03-03 | Pioneer Electronic Corporation | Picture image monitoring system |
| CN102082955A (en) * | 2010-12-10 | 2011-06-01 | 北京中科大洋科技发展股份有限公司 | Safe broadcasting monitoring system based on video/audio matching technology |
| CN103167221A (en) * | 2013-02-06 | 2013-06-19 | 上海风格信息技术股份有限公司 | Switching method capable of guaranteeing broadcast safety through quality supervision comparison |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1155694A (en) * | 1997-07-30 | 1999-02-26 | Toko Inc | Image comparing device |
-
2014
- 2014-07-09 CN CN201410324757.6A patent/CN104093017B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0529196A2 (en) * | 1991-08-29 | 1993-03-03 | Pioneer Electronic Corporation | Picture image monitoring system |
| CN102082955A (en) * | 2010-12-10 | 2011-06-01 | 北京中科大洋科技发展股份有限公司 | Safe broadcasting monitoring system based on video/audio matching technology |
| CN103167221A (en) * | 2013-02-06 | 2013-06-19 | 上海风格信息技术股份有限公司 | Switching method capable of guaranteeing broadcast safety through quality supervision comparison |
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