CN105025240A - Law enforcement recorder and control method thereof - Google Patents
Law enforcement recorder and control method thereof Download PDFInfo
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- CN105025240A CN105025240A CN201510418974.6A CN201510418974A CN105025240A CN 105025240 A CN105025240 A CN 105025240A CN 201510418974 A CN201510418974 A CN 201510418974A CN 105025240 A CN105025240 A CN 105025240A
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Abstract
The invention discloses a law enforcement recorder and a control method thereof. The law enforcement recorder includes a camera module, a mobile detection module, a digital processing module and a video recording module; the camera module is used for collecting image data; the mobile detection module is used for analyzing whether the image data change; when the mobile detection module confirms that the image data change through analysis, the mobile detection module transmits a first instruction to the digital processing module; the digital processing module receives the first instruction and then transmits a second instruction to the video recording module; and after receiving the second instruction, the video recording module starts a video recording function. When the law enforcement recorder detects that field image data change, the video recording function of the law enforcement recorder is started, and therefore, complete video data can be provided for law enforcement, and thus, important evidences can be provided for a law enforcement process; and the law enforcement recorder is more intelligent.
Description
Technical field
The present invention relates to law-enforcing recorder field, particularly relate to a kind of law-enforcing recorder and control method thereof.
Background technology
Law-enforcing recorder be police for recording the important tool of spot, around the chest being worn on police.The mode of operation of existing law-enforcing recorder normally button operation, need police to operate rear law-enforcing recorder by button to law-enforcing recorder and just perform corresponding function, if and when having emergency case or other special circumstances at the scene, police may be eager to solve on-the-spot emergency case, and button operation is not carried out to law-enforcing recorder and make it carry out RECORD mode, thus picked-up in time may be failed to on-the-spot important video evidence, for enforcing law is made troubles.
Summary of the invention
For solving the problems of the technologies described above, the invention provides a kind of law-enforcing recorder and control method thereof, when detecting that on-the-spot view data changes, just starting the recording function of law-enforcing recorder, so that complete video data can be provided for law enforcement, thus provide important evidence for enforcing law.
For achieving the above object, the present invention by the following technical solutions:
The invention discloses a kind of law-enforcing recorder, comprise camera lens module, mobile detection module, digital signal processing module and picture recording module, described camera lens module is used for acquisition of image data, whether described mobile detection module changes for analyzing described view data, when described mobile detection module analysis obtain described view data change time, described mobile detection module sends the first instruction to described digital signal processing module, described digital signal processing module sends the second instruction to described picture recording module after receiving described first instruction, described picture recording module starts recording function after receiving described second instruction.
Preferably, memory image model in described mobile detection module, described mobile detection module is also for detecting in described view data whether comprise described iconic model, when described mobile detection module detects that described view data comprises described iconic model, described mobile detection module sends the 3rd instruction to described digital signal processing module, described digital signal processing module sends the 4th instruction to described camera lens module after receiving described 3rd instruction, and described camera lens module focuses on the described iconic model in described view data after receiving described 4th instruction.
Preferably, described iconic model comprises faceform, headform and/or car plate model.
Preferably, described law-enforcing recorder also comprises acceleration transducer, described acceleration transducer is for measuring displacement and the acceleration of described law-enforcing recorder, the displacement of described law-enforcing recorder and acceleration are sent to described digital signal processing module by described acceleration transducer, the displacement of described law-enforcing recorder and acceleration are sent to described mobile detection module by described digital signal processing module, and described view data is filtered out the displacement of described law-enforcing recorder and acceleration to obtain view data clearly by described mobile detection module.
The invention also discloses a kind of control method of law-enforcing recorder, comprise the following steps: described camera lens module acquisition of image data, described in described mobile detection module analysis, whether view data changes, when described mobile detection module analysis obtain described view data change time, described mobile detection module sends the first instruction to described digital signal processing module, described digital signal processing module sends the second instruction to described picture recording module after receiving described first instruction, and described picture recording module starts recording function after receiving described second instruction.
Preferably, control method also comprises: memory image model in described mobile detection module, described mobile detection module also detects in described view data whether comprise described iconic model, when described mobile detection module detects that described view data comprises described iconic model, described mobile detection module sends the 3rd instruction to described digital signal processing module, described digital signal processing module sends the 4th instruction to described camera lens module after receiving described 3rd instruction, described camera lens module focuses on the described iconic model in described view data after receiving described 4th instruction.
Preferably, described iconic model comprises faceform, headform and/or car plate model.
Preferably, control method also comprises: acceleration transducer measures displacement and the acceleration of described law-enforcing recorder, the displacement of described law-enforcing recorder and acceleration are sent to described digital signal processing module by described acceleration transducer, the displacement of described law-enforcing recorder and acceleration are sent to described mobile detection module by described digital signal processing module, and described view data is filtered out the displacement of described law-enforcing recorder and acceleration to obtain view data clearly by described mobile detection module.
The present invention's beneficial effect is compared with prior art: law-enforcing recorder of the present invention obtains view data by camera lens module, carry out analysis of image data by mobile detection module more whether to change, recording function is started when it sends change, thus the video data of law enforcement field can be preserved in time, also breach and traditional solely can only carry out by button the mode of operation that operates, make law-enforcing recorder more intelligent, for police provides important evidence in enforcing law.
In further scheme, law-enforcing recorder of the present invention, also according to the iconic model in mobile detection module, carries out the focusing of particular scene, such as face, the number of people and/or license plate number, thus can provide more favourable evidentiary material for follow-up evidence obtaining.
In further scheme, when law-enforcing recorder may make image appearance fuzzy from carrying out shooting under motion conditions, displacement and the acceleration of law-enforcing recorder is now measured according to acceleration transducer, mobile detection module is according to the displacement of law-enforcing recorder and acceleration and these displacements in view data and acceleration are filtered out to obtain view data more clearly, for law enforcement evidence obtaining provides data more clearly.
Accompanying drawing explanation
Fig. 1 is the interface schema of the law-enforcing recorder of the embodiment of the present invention.
Embodiment
Below contrast accompanying drawing and combine preferred embodiment the invention will be further described.
As shown in Figure 1, the invention discloses a kind of law-enforcing recorder, comprise camera lens module, mobile detection module, digital signal processing module and picture recording module, wherein camera lens module carries out acquisition of image data, the view data of mobile detection module by camera lens module is collected, carry out the comparative analysis of each frame, the concrete data of a scene change are drawn after comparative analysis, namely the result whether view data changes is drawn, if changed, then send the first instruction to digital signal processing module, digital signal processing module sends the second instruction to picture recording module after receiving the first instruction, picture recording module starts recording function after receiving the second instruction, this law-enforcing recorder breaches and traditional solely can only carry out by button the mode of operation that operates, make law-enforcing recorder more intelligent, for police provides important evidence in enforcing law.
In certain embodiments, also iconic model is stored in mobile detection module, after law-enforcing recorder starts recording function, mobile detection module is analyzed for view data and iconic model, whether iconic model is comprised in inspection image data, if detect that view data comprises iconic model, then send the 3rd instruction to digital signal processing module, digital signal processing module sends the 4th instruction to camera lens module after receiving the 3rd instruction, camera lens module focuses on the iconic model in view data after receiving the 4th instruction, namely be pinpointed focus with iconic model, to obtain the image data of iconic model more clearly, make the image of law-enforcing recorder record can provide more favourable evidentiary material for follow-up evidence obtaining.Wherein iconic model can be the number of people, face and/or license plate number etc., and law-enforcing recorder also can carry out focusing to multiple iconic model simultaneously and follow the trail of, and namely can follow the trail of multiple number of people, face and license plate number simultaneously.
In further embodiments, law-enforcing recorder also comprises acceleration transducer, the displacement of acceleration analysis law-enforcing recorder and acceleration, the displacement of law-enforcing recorder on X, Y, Z axis direction and acceleration can be measured respectively, and law-enforcing recorder angle of inclination with respect to the horizontal plane can be gone out according to three axles relative to the mobile computing of law-enforcing recorder.Acceleration transducer can judge the mode of the movement of law-enforcing recorder according to the displacement of law-enforcing recorder and acceleration, as walking, climb the mountain, go down hill etc.The displacement of the law-enforcing recorder measured and acceleration are sent to digital signal processing module by acceleration transducer, the displacement of law-enforcing recorder and acceleration are sent to mobile detection module by digital signal processing module again, mobile detection module carries out integrated treatment the view data that these data and camera lens module collect, view data is filtered out displacement and the acceleration of law-enforcing recorder, obtain view data more clearly, for law enforcement evidence obtaining provides data more clearly.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For those skilled in the art, without departing from the inventive concept of the premise, some equivalent to substitute or obvious modification can also be made, and performance or purposes identical, all should be considered as belonging to protection scope of the present invention.
Claims (8)
1. a law-enforcing recorder, it is characterized in that, comprise camera lens module, mobile detection module, digital signal processing module and picture recording module, described camera lens module is used for acquisition of image data, whether described mobile detection module changes for analyzing described view data, when described mobile detection module analysis obtain described view data change time, described mobile detection module sends the first instruction to described digital signal processing module, described digital signal processing module sends the second instruction to described picture recording module after receiving described first instruction, described picture recording module starts recording function after receiving described second instruction.
2. law-enforcing recorder according to claim 1, it is characterized in that, memory image model in described mobile detection module, described mobile detection module is also for detecting in described view data whether comprise described iconic model, when described mobile detection module detects that described view data comprises described iconic model, described mobile detection module sends the 3rd instruction to described digital signal processing module, described digital signal processing module sends the 4th instruction to described camera lens module after receiving described 3rd instruction, described camera lens module focuses on the described iconic model in described view data after receiving described 4th instruction.
3. law-enforcing recorder according to claim 2, is characterized in that, described iconic model comprises faceform, headform and/or car plate model.
4. the law-enforcing recorder according to any one of claims 1 to 3, it is characterized in that, also comprise acceleration transducer, described acceleration transducer is for measuring displacement and the acceleration of described law-enforcing recorder, the displacement of described law-enforcing recorder and acceleration are sent to described digital signal processing module by described acceleration transducer, the displacement of described law-enforcing recorder and acceleration are sent to described mobile detection module by described digital signal processing module, described view data is filtered out the displacement of described law-enforcing recorder and acceleration to obtain view data clearly by described mobile detection module.
5. a control method for law-enforcing recorder as claimed in claim 1, is characterized in that, comprises the following steps:
Described camera lens module acquisition of image data, described in described mobile detection module analysis, whether view data changes, when described mobile detection module analysis obtain described view data change time, described mobile detection module sends the first instruction to described digital signal processing module, described digital signal processing module sends the second instruction to described picture recording module after receiving described first instruction, and described picture recording module starts recording function after receiving described second instruction.
6. control method according to claim 5, it is characterized in that, also comprise: memory image model in described mobile detection module, described mobile detection module also detects in described view data whether comprise described iconic model, when described mobile detection module detects that described view data comprises described iconic model, described mobile detection module sends the 3rd instruction to described digital signal processing module, described digital signal processing module sends the 4th instruction to described camera lens module after receiving described 3rd instruction, described camera lens module focuses on the described iconic model in described view data after receiving described 4th instruction.
7. control method according to claim 6, is characterized in that, described iconic model comprises faceform, headform and/or car plate model.
8. the control method according to any one of claim 5 to 7, it is characterized in that, also comprise: acceleration transducer measures displacement and the acceleration of described law-enforcing recorder, the displacement of described law-enforcing recorder and acceleration are sent to described digital signal processing module by described acceleration transducer, the displacement of described law-enforcing recorder and acceleration are sent to described mobile detection module by described digital signal processing module, and described view data is filtered out the displacement of described law-enforcing recorder and acceleration to obtain view data clearly by described mobile detection module.
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| CN201510418974.6A CN105025240A (en) | 2015-07-15 | 2015-07-15 | Law enforcement recorder and control method thereof |
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| CN113076863A (en) * | 2021-03-31 | 2021-07-06 | 重庆风云际会智慧科技有限公司 | Evidence consolidating method for field law enforcement |
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