CN101212700A - Method for detecting camera misoperations for monitoring digital video recorder - Google Patents
Method for detecting camera misoperations for monitoring digital video recorder Download PDFInfo
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- CN101212700A CN101212700A CNA2006101479095A CN200610147909A CN101212700A CN 101212700 A CN101212700 A CN 101212700A CN A2006101479095 A CNA2006101479095 A CN A2006101479095A CN 200610147909 A CN200610147909 A CN 200610147909A CN 101212700 A CN101212700 A CN 101212700A
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Abstract
The invention relates to a method for detecting misoperation of a video camera on a digital video recorder used for monitoring. The method includes the following steps of confirming if a warning is given from images showing on pictures shot by a plurality of cameras used for monitoring, judging if the images shot by the cameras are abnormal, differentially showing corresponding cameras under the condition that the warning is not given and the images shot by specific cameras are abnormal and differentially showing the images shot by all cameras separately, if the warning is given. The method shows the images shot by a plurality of cameras used for monitoring as a set picture state; meanwhile if a warning is given is confirmed; if the warning is given, all images of cameras are distinguishably showed as a picture; otherwise, correlative images of the camera show a main picture when images of particular camera are abnormal, which ensures that users can swiftly confirm which camera works abnormally, so as to swiftly deal with the camera which works abnormally.
Description
Technical field
The invention relates to the detection method that detects camera misoperations on the monitoring digital video recorder.Refer in particular to more than one dome-like (Speed dome) video camera under the state that is connected in series, distinguish the method for detecting camera misoperations of a kind of monitoring digital video recorder of the reflection that shows the particular camera that misoperation takes place.
Background technology
Developing has recently gone on the market can monitor financial institution, unmanned automation sales counter, shopping center, mansion, public main entrance, access and exit control, telemanagement national affairs, the criminal of preventing simultaneously, take precautions against natural calamities etc. needs the monitoring digital video recorder (DVR:Digital Video Recorder) in the place of supervision, and has generalized gradually.
Monitoring digital video recorder recited above (DVR) has comprised following equipment.Can write down and preserve the memory (Storage) of the picture hard disk (HDD) of a large amount of video recordings or voice data; With the CD that can write down again, for example as the CD-ROM driver (Disc Driver) that writes down and preserve video recording or voice data on the CD of CD-RW.
In addition, on the common monitoring digital video recorder (DVR) as described above, as illustrated on Fig. 1, can detect the 3rd incidents such as intrusion (Event), perhaps be connected in series in a plurality of camera for monitoring (CAM1......CAMn) 20 that disperse setting on warning happening part 10 of warning (Alarm) signal when on the camera for monitoring problem taking place and a lot of spaces that need to monitor separately
1-20
n
And monitoring digital video recorder 30 recited above can be connected the variable quantity of the image signal of camera for monitoring photographs with the supervisory computer 40 of remotely system operator by network.If when the variable quantity of this image signal has surpassed the benchmark variable quantity of setting, just be judged as the incident of having detected (Event) in advance.
In addition, when detecting incident as process recited above, the image signal of the camera for monitoring photographs that is provided with on the correlation space, on hard disk (HDD), the form with picture is presented on the supervisory computer 40 of system operator simultaneously by monitoring digital video recorder recited above (DVR) recorded and stored.
And system operator recited above can perhaps detect and confirm the data file of recorded and stored on the hard disk recited above from the supervision reflection that transmits between monitoring digital video recorder 30 is confirmed in real time.Can reaffirm event situation and invador etc. in the past by top process.
But, the situation of the camera for monitoring abnormal operation that is connected in series on the common monitoring digital video recorder (DVR), for example, during the operation abnormal operation of the pan of camera for monitoring (Pan), tilt (Tilt) etc., fatal problems such as supervision mistake will take place.
And, a plurality of camera for monitoring recited above is connecting in the mode of series connection, therefore, if when misoperation takes place on video camera in particular monitored, all consciousness is for being the warning input for other camera for monitoring, and all monitor with the problem that misoperation takes place in the system like this.
Summary of the invention
Therefore, the present invention proposes in order to solve problem points recited above.The purpose of this invention is to provide a kind of on the monitoring digital video recorder that more than one dome-like (Speed dome) video camera is being connected in series, the shooting of most camera for monitoring reflection is shown as the picture state of setting, after confirming simultaneously whether to take place whether to warn, when if warning takes place, the differentiation of the reflection of whole video cameras is shown as a picture, if do not take place under the alarm condition recited above, when the reflection of particular camera is improper, the reflection of relevant video camera is shown as the method for detecting camera misoperations on a kind of monitoring digital video recorder of main picture.
In order to realize purpose recited above, has following architectural feature according to the method for detecting camera misoperations on the monitoring digital video recorder of the present invention.
The 1st step: be presented on the picture from the reflection of a plurality of camera for monitoring photographs, confirm the step of whether warning.
The 2nd step: whether the reflection of judging video camera recited above is improper determining step.
The 3rd step: under the state that described in the above warning does not take place, the reflection of particular camera is judged as when improper, distinguishes the step that shows associated camera.
The 4th step: if when warning recited above has taken place in the 1st step, the reflection that whole video cameras are taken is distinguished the step of demonstration separately.
Described in the above improper video camera reflection of the present invention is to distinguish with whole pictures to be shown as feature, eliminate with improper video camera reflection recited above and to be shown as feature, described in the above improper video camera reflection is gone up and is utilized the misoperation display text OSD picture to be shown as feature.
Effect of the present invention:
As the method for detecting camera misoperations on the monitoring digital video recorder of the present invention of the structure of above-mentioned explanation and formation, on the monitoring digital video recorder that more than one dome-like (Speeddome) video camera is being connected in series, the shooting of a plurality of camera for monitoring reflection is shown as the picture state of setting, after confirming simultaneously whether to take place whether to warn, when if warning takes place, the differentiation of the reflection of whole video cameras is shown as a picture, if do not take place under the alarm condition recited above, when the reflection of particular camera is improper, the reflection of relevant video camera is shown as main picture, allow the user can promptly confirm problematic video camera, can promptly deal with after the affirmation.
For further specifying above-mentioned purpose of the present invention, design feature and effect, the present invention is described in detail below with reference to accompanying drawing.
Description of drawings
Fig. 1 represents, the exploded chart of common monitoring digital video recorder and video camera connection status.
Fig. 2 represents, according to the flow chart of method for detecting camera misoperations of the present invention.
Fig. 3 represents, under generation alarm condition of the present invention, the reflection of video camera is distinguished the example figure that is shown as picture.
The symbol description of major part in the accompanying drawing:
10: warning signal happening part 20
1-20
n: camera for monitoring
30: monitoring digital video recorder 40: supervisory computer
Embodiment
Below, by the reference accompanying drawing, the embodiment according to the method for detecting camera misoperations of monitoring digital video recorder of the present invention is described in detail.
Fig. 2 represents, according to the flow chart of method for detecting camera misoperations of the present invention.Fig. 3 represents, under generation alarm condition of the present invention, the reflection of video camera is distinguished the example figure that is shown as picture.
S10 as illustrated on Fig. 2, on the monitoring digital video recorder that is suitable for according to method for detecting camera misoperations of the present invention, monitoring on a plurality of spaces that need relatively and is monitoring, disperseing a plurality of camera for monitoring (20 of being provided with from each
1-20
n) reflection of photographs, carry out this common incident supervisory work in the above on the described digital video recorder.
Described in the above monitoring digital video recorder 30 is controlled to be the initial stage shooting condition of in advance setting to the shooting condition of the camera for monitoring that disperses on each space to be provided with, and perhaps changes control according to the requirement of system operator.
S11 in addition, under the described in the above shooting condition, is kept at the printing reflection of taking on the equipment interior hard disk (HDD) or internal storage temporarily, utilizes the picture of supervisory computer 40 recited above to distinguish demonstration simultaneously.
In addition, after the printing reflection of 30 pairs of interim preservations recited above of monitoring digital video recorder recited above and the printing reflection of taking from camera for monitoring according to shooting condition recited above carry out comparing mutually, analyze the variable quantity of supervision reflection recited above, whether the generation of decision event.
S12, and, after whether 10 li affirmations of warning happening part from above warn (Alarm) signal, judge whether a plurality of camera for monitoring misoperation has taken place.
S13, monitoring digital video recorder 30 recited above, under the state that warning signal recited above does not take place, when the image signal of camera for monitoring photographs is improper arbitrarily, such as, the image signal of taking not to come out or the state that breaks away from shooting condition recited above when taking image signal down, camera for monitoring recited above just is judged as improper operation, and dependent surveillance is distinguished the whole pictures that are shown as supervisory computer 40 recited above with the reflection of video camera.
Here, differentiation is shown as the camera for monitoring reflection of supervisory computer 40 whole pictures recited above, elimination or being presented on screen display (OSD) picture of misoperation are shown that the user just can confirm problematic camera for monitoring soon like this.
S14, whether monitoring digital video recorder 30 recited above is warning on the step S12 of (Alarm) signal from 10 li affirmations of warning happening part, when if warning signal takes place, the independent differentiation of the reflection of a plurality of camera for monitoring photographs recited above is presented on the picture of supervisory computer 40.
For example,, as illustrated on Fig. 3, under the state that warning signal takes place, the independent differentiation of whole reflections of camera for monitoring is presented on the picture.
In addition, according to the present invention, disperse most camera for monitoring 20 that are provided with on the various spaces that need to monitor separately
1-20
nUnder the state that is connected in series, detection incident (Event) or particular monitored can allow the system operator be that the user confirms problematic camera for monitoring when problem takes place on the video camera rapidly.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating purpose of the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in the scope of claims of the present invention variation, the modification of the above embodiment.
Claims (5)
1. the method for detecting camera misoperations of a monitoring digital video recorder is characterized in that comprising:
The 1st step: be presented on the picture from the reflection of a plurality of camera for monitoring photographs, confirm the step of whether warning;
The 2nd step: whether the reflection of judging video camera recited above is improper determining step;
The 3rd step: under the state that described in the above warning does not take place, the reflection of particular camera is judged as when improper, distinguishes the step that shows associated camera;
The 4th step: if when described warning has taken place in the 1st step, the reflection that whole video cameras are taken is distinguished the step of demonstration separately.
2. the method for detecting camera misoperations of monitoring digital video recorder as claimed in claim 1 is characterized in that also comprising:
The 4th step: if when described warning has taken place in the 1st step, the reflection that whole video cameras are taken is distinguished the step of demonstration separately.
3. the method for detecting camera misoperations of monitoring digital video recorder as claimed in claim 1 is characterized in that:
Described improper video camera reflection is to utilize whole pictures to distinguish to show.
4. the method for detecting camera misoperations of monitoring digital video recorder as claimed in claim 3 is characterized in that:
Described improper video camera reflection is eliminated and is shown.
5. the method for detecting camera misoperations of monitoring digital video recorder as claimed in claim 3 is characterized in that:
On the described improper video camera reflection, the literal that shows misoperation is presented at on-screen displays.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101479095A CN101212700A (en) | 2006-12-25 | 2006-12-25 | Method for detecting camera misoperations for monitoring digital video recorder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101479095A CN101212700A (en) | 2006-12-25 | 2006-12-25 | Method for detecting camera misoperations for monitoring digital video recorder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101212700A true CN101212700A (en) | 2008-07-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006101479095A Pending CN101212700A (en) | 2006-12-25 | 2006-12-25 | Method for detecting camera misoperations for monitoring digital video recorder |
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| Country | Link |
|---|---|
| CN (1) | CN101212700A (en) |
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2006
- 2006-12-25 CN CNA2006101479095A patent/CN101212700A/en active Pending
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Open date: 20080702 |