CN102447879A - Vehicle-mounted video compression storage control method capable of sensing location information and device - Google Patents
Vehicle-mounted video compression storage control method capable of sensing location information and device Download PDFInfo
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- CN102447879A CN102447879A CN201010504559XA CN201010504559A CN102447879A CN 102447879 A CN102447879 A CN 102447879A CN 201010504559X A CN201010504559X A CN 201010504559XA CN 201010504559 A CN201010504559 A CN 201010504559A CN 102447879 A CN102447879 A CN 102447879A
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Abstract
The invention relates to a vehicle-mounted video compression storage control method capable of sensing location information, which comprises the following steps that: 1) a video acquisition module acquires an analog video signal, converts the analog video signal into a digital video signal, and transmits the digital video into a video superimposer; 2) a GPS (Global Position System) module acquires positioning information, and transmits the positioning information to the video superimposer; 3) the positioning information acquired by the GPS module is superimposed into the digital video signal by the video superimposer in real time, and is stored, and then data after the storage is transmitted to a video compression module; 4) the received digital video signal is compressed by the video compression module, and is transmitted to a video storage module; and 5) the received video digital signal is stored by the video storage module. Compared with the prior art, the method disclosed by the invention has the characteristics of multi functions, low cost, and the like.
Description
Technical field
The present invention relates to Vehicular video processing method and device, but relate in particular to the Vehicular video compression memory control method and the device of perceived position information.
Background technology
Video compression technology is a kind of technology that video data is compressed the requirement and the requirements for transmission of picture quality according to the user; In the hope of when satisfying the picture quality requirement, realizing taking less bandwidth, wherein existing video compression technology includes H.263 series, MPEG-4, motion etc.Existing Vehicular video does not generally all have locating information, therefore just can't be definite draw this video capture the time the positional information of bus.
Summary of the invention
The object of the invention is exactly in order to overcome the defective that above-mentioned prior art exists, but a kind of Vehicular video compression memory control method and device of multi-functional, perceived position information that cost is low are provided.
The object of the invention can be realized through following technical scheme:
But a kind of Vehicular video compression memory control method of perceived position information is characterized in that, may further comprise the steps:
1) video acquisition module is gathered analog video signal, this analog video signal is converted into digital video signal, and this digital video signal is sent to the video superimpose device;
2) the GPS module is gathered locating information, and this locating information is sent to the video superimpose software module;
3) the video superimpose software module is added to the locating information of GPS module collection in the digital video signal in real time, and preserves, and will preserving afterwards, data send to video compressing module;
4) video compressing module compresses the digital video signal that receives, and the video signal after will compressing sends to the video storage module;
5) the video storage module is stored the video signal that receives.
But a kind of Vehicular video compression memory control device of perceived position information; It is characterized in that; Comprise GPS module, video acquisition device, video superimpose software module, video compressing module, video storage module, power supply; Described GPS module, video acquisition device are connected with the video superimpose device respectively; Described video superimpose device, video compressing module, video storage module connect successively, and described power supply is connected with GPS module, video acquisition device, video superimpose device, video compressing module, video storage module respectively.
Described GPS module comprises GPS chip, gps antenna, and described GPS chip is connected with gps antenna.
Described video acquisition device comprises camera lens, sensitive chip, DSP, and described camera lens, sensitive chip, DSP connect successively.
Described video superimpose software module adopts the software character library to superpose through software program.
Described power supply is built-in power supply or external power supply.
Compared with prior art, that advantage of the present invention has is multi-functional, cost is low, and the locating information of GPS module collection is added in the Vehicular video in real time, realizes that people stream counting is integrated with the location.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Embodiment
Below in conjunction with specific embodiment the present invention is further specified.
Embodiment
As shown in Figure 1, but a kind of Vehicular video compression memory control method of perceived position information may further comprise the steps:
1) camera lens in the video acquisition module 2 21 is gathered analog video signal with sensitive chip 22, and DSP23 is converted into digital video signal with this analog video signal, and this digital video signal is sent to video superimpose software module 3;
2) GPS module 1 is gathered locating information, and this locating information is sent to video superimpose software module 3;
3) video superimpose software module 3 locating information that GPS module 1 is gathered is added in the digital video signal in real time, and preserves, and will preserving afterwards, data send to video compressing module 4;
4) video compressing module 4 compresses the digital video signal that receives, and the video signal after will compressing sends to video storage module 5;
5) video storage module 5 is stored the video signal that receives.
But a kind of Vehicular video compression memory control device of perceived position information; Comprise GPS module 1, video acquisition device 2, video superimpose software module 3, video compressing module 4, video storage module 5, power supply; Described GPS module 1, video acquisition device 2 are connected with video superimpose software module 3 respectively; Described video superimpose software module 3, video compressing module 4, video storage module 5 connect successively, and described power supply is connected with GPS module 1, video acquisition device 2, video superimpose software module 3, video compressing module 4, video storage module 5 respectively.Described GPS module 1 comprises GPS chip 12, gps antenna 11, and described GPS chip 12 is connected with gps antenna 11.Described video acquisition device 2 comprises camera lens 21, sensitive chip 22, DSP 23, and described camera lens 21, sensitive chip 22, DSP 23 connect successively.
The present invention can realize following function:
1, GPS function
Constitute by GPS chip 12 and gps antenna 11; Realize that the GPS locator data produces and output.
2, video acquisition function
Constitute by camera lens 21, sensitive chip 22, dsp23; Realize that light signal converts digital signal to.
3, video superimpose function
Accomplish by the video superimpose software module; The latitude, longitude information real-time that realization produces GPS is added to and preserves in the lump on the video.
4, video coding compression function
Accomplish by video compressing module; The compression of realization digital video signal, cooperation SD card realization response door contact interrupter amount signal is recorded and is stopped.
5, memory function
Accomplish by video storage module (SD card); The storage of realization compressed digital video signals is recorded, and recording function need be supported the function of pre-recording, and promptly need preserve the preceding 30 seconds video record of car door opening, to guarantee that the car door stream of people adds up errorless up and down.
6, self-supply power source function
Accomplish by power module; Realize self-powered function
7, clocking capability
Accomplish by clock generator, on the generation time and the vision signal that is added to, show in real time.
Claims (6)
1. but the Vehicular video compression memory control method of a perceived position information is characterized in that, may further comprise the steps:
1) video acquisition module is gathered analog video signal, this analog video signal is converted into digital video signal, and this digital video signal is sent to the video superimpose device;
2) the GPS module is gathered locating information, and this locating information is sent to the video superimpose software module;
3) the video superimpose software module is added to the locating information of GPS module collection in the digital video signal in real time, and preserves, and will preserving afterwards, data send to video compressing module;
4) video compressing module compresses the digital video signal that receives, and the video signal after will compressing sends to the video storage module;
5) the video storage module is stored the video signal that receives.
2. but the Vehicular video compression memory control device of a perceived position information; It is characterized in that; Comprise GPS module, video acquisition device, video superimpose software module, video compressing module, video storage module, power supply; Described GPS module, video acquisition device are connected with the video superimpose software module respectively; Described video superimpose software module, video compressing module, video storage module connect successively, and described power supply is connected with GPS module, video acquisition device, video superimpose software module, video compressing module, video storage module respectively.
3. but the Vehicular video compression memory control device of a kind of perceived position information according to claim 2 is characterized in that described GPS module comprises GPS chip, gps antenna, and described GPS chip is connected with gps antenna.
4. but the Vehicular video compression memory control device of a kind of perceived position information according to claim 2 is characterized in that described video acquisition device comprises camera lens, sensitive chip, DSP, and described camera lens, sensitive chip, DSP connect successively.
5. but the Vehicular video compression memory control device of a kind of perceived position information according to claim 2 is characterized in that, described video superimpose software module adopts the mode of software stack to realize through the software character library.
6. but the Vehicular video compression memory control device of a kind of perceived position information according to claim 1 is characterized in that, described power supply is built-in power supply or external power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010504559XA CN102447879A (en) | 2010-10-12 | 2010-10-12 | Vehicle-mounted video compression storage control method capable of sensing location information and device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010504559XA CN102447879A (en) | 2010-10-12 | 2010-10-12 | Vehicle-mounted video compression storage control method capable of sensing location information and device |
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| CN102447879A true CN102447879A (en) | 2012-05-09 |
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| CN201010504559XA Pending CN102447879A (en) | 2010-10-12 | 2010-10-12 | Vehicle-mounted video compression storage control method capable of sensing location information and device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979228A (en) * | 2016-06-29 | 2016-09-28 | 江苏三棱智慧物联发展股份有限公司 | PC (Personal Computer) video acquisition card with video compression function |
| CN110536121A (en) * | 2019-09-20 | 2019-12-03 | 上海风骑信息科技有限公司 | A kind of Intelligent Dynamic video analysis patrol prevention and control system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510322A (en) * | 2009-03-17 | 2009-08-19 | 中国科学院长春光学精密机械与物理研究所 | Vehicle-mounted device for recording running video with GPS orientation time service information |
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2010
- 2010-10-12 CN CN201010504559XA patent/CN102447879A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101510322A (en) * | 2009-03-17 | 2009-08-19 | 中国科学院长春光学精密机械与物理研究所 | Vehicle-mounted device for recording running video with GPS orientation time service information |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105979228A (en) * | 2016-06-29 | 2016-09-28 | 江苏三棱智慧物联发展股份有限公司 | PC (Personal Computer) video acquisition card with video compression function |
| CN110536121A (en) * | 2019-09-20 | 2019-12-03 | 上海风骑信息科技有限公司 | A kind of Intelligent Dynamic video analysis patrol prevention and control system |
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Application publication date: 20120509 |