CN101854530A - Method and device for interconnecting GPS (Global Positioning System) receiving module and PCI (Peripheral Component interconnection) video card - Google Patents
Method and device for interconnecting GPS (Global Positioning System) receiving module and PCI (Peripheral Component interconnection) video card Download PDFInfo
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- CN101854530A CN101854530A CN 201010173600 CN201010173600A CN101854530A CN 101854530 A CN101854530 A CN 101854530A CN 201010173600 CN201010173600 CN 201010173600 CN 201010173600 A CN201010173600 A CN 201010173600A CN 101854530 A CN101854530 A CN 101854530A
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Abstract
The invention discloses a method and a device for interconnecting a GPS (Global Positioning System) receiving module and a PCI (Peripheral Component interconnection) video card. The device comprises a GPS receiving unit, a PCI video processing unit and an embedded information processing unit, wherein the embedded information processing unit can be divided into a data interface module, a data analysis module, a data integration module and a memory according to functions. The method comprises the following steps of: outputting a video by the PCI video processing unit by analyzing GPS information to obtain effective GPS information (height, time as well as longitude and latitude) and a video frame, then carrying out digital encryption, embedding the encrypted GPS information into the video by utilizing a digital watermarking technology, carrying out data integration, then transmitting to a computer for decompression by utilizing a PCI interface, and carrying out watermarking extraction, information decomposition and GPS information decryption processing to obtain video information and the GPS information.
Description
Technical field:
The present invention relates to a kind of GPS receiver module and PCI video card interconnected method and device, belong to field of intelligent monitoring.
Technical background:
Along with the progress of digitized video technology and digital processing technology, video card obtains development constantly, and is special in the today in the Internet e epoch, and people more and more tend to use this instrument of PCI video card to remove to carry out in real time network video and exchange.
The PCI video card can be widely used in fields such as safety monitoring, industrial detection, intelligent transportation, along with the progress of society, only can provide the PCI video card of video information routine not satisfy social needs.In the needs video information, need longitude and latitude, time, elevation information to provide more data to support in fields such as safety monitoring, industrial detection, intelligent transportation.The development of GPS location technology, the extensive use of embedded system utilizes digital image processing techniques, GPS information is merged mutually with the PCI video information become effective and feasible.
Comprehensive above technical background analysis can be developed a kind of GPS receiver module and PCI video card interconnected method and device, is used for obtaining longitude and latitude, time, elevation information when obtaining video information.
Summary of the invention:
The object of the present invention is to provide a kind of GPS receiver module and PCI video card interconnected method and device, taking increases GPS module and embedded information processing system at common PCI video card, by image processing and operation of data, realize the data fusion of gps data and frame of video.
Technical scheme of the present invention is achieved in that
A kind of GPS receiver module and the interconnected device of PCI video card, comprise GPS receiving element, PCI video processing unit and three parts of embedded information process unit, it is characterized in that, GPS receiving element, PCI video processing unit are connected with embedded information process unit, and embedded information process unit is made up of arm processor and peripheral circuit thereof.Embedded information process unit can be divided into data interface module, data resolution module, data fusion module, memory according to function, and wherein data resolution module comprises GPS information analysis unit and image analysis unit.
Described data interface module, data resolution module, data fusion module are the arm processor in the embedded information process unit to be carried out modularization programming obtain.
A kind of GPS receiver module and the interconnected method of PCI video card may further comprise the steps:
1) data interface module in the embedded information process unit receives GPS information and PCI video card output video;
2) data resolution module in the embedded information process unit extracts GPS information by the GPS information analysis, by image analysis PCI video card output video is resolved, and converts thereof into frame of video;
3) data fusion module in the embedded information process unit is to 2) gained GPS information judges, if information is effective, then keeps information; If information is invalid, then delete information, return 2), occur up to effective GPS information; Effective GPS information is carried out digital encryption, and effective GPS information comprises longitude and latitude, time and elevation information;
4) data fusion module in the embedded information process unit adopts digital watermark technology with 3) the effective GPS information of gained embeds 2) resolve in the gained frame of video, carry out data fusion;
5) data fusion module in the embedded information process unit utilizes method for compressing image that the data after merging are compressed storage;
6) data after the compression are utilized pci bus to be transferred in the computer to decompress, watermark extracting, information decomposition, GPS decrypts information handle, and obtain video information and GPS information.
The method that GPS receiver module of the present invention and PCI video card are interconnected and the advantage and the good effect of device are:
1) the present invention utilizes information fusion technology, carries out GPS information, the reception of PCI video information, resolves, handles, calculates by embedded information process unit, obtains the video information of embedding GPS information, can be used for motion detecting and intelligent-tracking.
2) the present invention has the function of quick location, can be used with electronic warning equipment, realizes the remote alarms function, also functions such as candid photograph, video recording can be set as required. and solution of emergent event has huge effect.
3) the present invention has widened the range of application of conventional P CI video card, can be widely used in fields such as electronics mapping, intelligent navigation, safety monitoring, caters to the market demand, has more vast market prospect.
Description of drawings:
Fig. 1 is GPS receiver module of the present invention and the interconnected apparatus structure block diagram of PCI video card.
Fig. 2 is a GPS receiver module of the present invention and the block diagram that is connected of interconnected each intermodule of device of PCI video card.
Fig. 3 is GPS receiver module of the present invention and the interconnected method flow diagram of PCI video card.
Wherein, 101, GPS receiving element, 102, PCI video processing unit, 103, embedded information process unit, 104, PCI video processing unit output, 201, data interface module, 202, the GPS information analysis unit in the data resolution module, 203, the image analysis unit in the data resolution module, 204, data fusion module, 205, memory.
Concrete enforcement:
Be further described below in conjunction with drawings and Examples.
Embodiment:
A kind of GPS receiver module and the interconnected device of PCI video card, comprise GPS receiving element 101, PCI video processing unit 102 and 103 3 parts of embedded information process unit, it is characterized in that, GPS receiving element 101, PCI video processing unit 102 are connected with embedded information process unit 103, and embedded information process unit 103 is made up of arm processor and peripheral circuit thereof.Embedded information process unit 103 can be divided into data interface module 201, data resolution module, data fusion module 204, memory 205 according to function, and wherein data resolution module comprises GPS information analysis unit 202 and image analysis unit 203.
Described data interface module 201, data resolution module, data fusion module 204 are the arm processor in the embedded information process unit 103 to be carried out modularization programming obtain.
A kind of GPS receiver module and the interconnected method of PCI video card as shown in Figure 3, may further comprise the steps:
1) data interface module in the embedded information process unit receives GPS information and PCI video card output video;
2) data resolution module in the embedded information process unit extracts GPS information by the GPS information analysis, by image analysis PCI video card output video is resolved, and converts thereof into frame of video;
3) data fusion module in the embedded information process unit is to 2) gained GPS information judges, if information is effective, then keeps information; If information is invalid, then delete information, return 2), occur up to effective GPS information; Effective GPS information is carried out digital encryption, and effective GPS information comprises longitude and latitude, time and elevation information;
4) data fusion module in the embedded information process unit adopts digital watermark technology with 3) the effective GPS information of gained embeds 2) resolve in the gained frame of video, carry out data fusion;
5) data fusion module in the embedded information process unit utilizes method for compressing image that the data after merging are compressed storage;
6) data after the compression are utilized pci bus to be transferred in the computer to decompress, watermark extracting, information decomposition, GPS decrypts information handle, and obtain video information and GPS information.
Provided the apparatus structure block diagram of realizing this method among Fig. 1.This block diagram mainly comprises three parts: GPS receiving element 101, PCI video processing unit 102, embedded information process unit 103,104PCI are the output of video card.The connection diagram of each unit as shown in Figure 2, GPS receiving element 101, PCI video processing unit 102 outputs 104 are connected with embedded information process unit 103 through data interface module 201.Data interface module 201 is imported embedded information process unit 103 with the data and the image information of gathering; The GPS information analysis unit 202 of signal in data resolution module, image analysis unit 203 obtains GPS information and meets the frame of video of data fusion standard; Data fusion module 204 carries out GPS longitude and latitude, time, elevation information according to before this method step and judges and encrypt that merge with video information the back, compression; Storage and forwarding after memory cell 205 is used to handle.
Claims (3)
1. GPS receiver module and the interconnected device of PCI video card, comprise GPS receiving element, PCI video processing unit and three parts of embedded information process unit, it is characterized in that, GPS receiving element, PCI video processing unit are connected with embedded information process unit, embedded information process unit is made up of arm processor and peripheral circuit thereof, embedded information process unit can be divided into data interface module, data resolution module, data fusion module, memory according to function, and wherein data resolution module comprises GPS information analysis unit and image analysis unit.
2. GPS receiver module as claimed in claim 1 and the interconnected device of PCI video card, it is characterized in that, described data interface module, data resolution module and data fusion module are the arm processor in the embedded information process unit to be carried out modularization programming obtain.
3. GPS receiver module and the interconnected method of PCI video card is characterized in that method may further comprise the steps:
1) data interface module in the embedded information process unit receives GPS information and PCI video card output video;
2) data resolution module in the embedded information process unit extracts GPS information by the GPS information analysis, by image analysis PCI video card output video is resolved, and converts thereof into frame of video;
3) data fusion module in the embedded information process unit is to 2) gained GPS information judges, if information is effective, then keeps information; If information is invalid, then delete information, return 2), occur up to effective GPS information; Effective GPS information is carried out digital encryption, and effective GPS information comprises longitude and latitude, time and elevation information;
4) data fusion module in the embedded information process unit adopts digital watermark technology with 3) the effective GPS information of gained embeds 2) resolve in the gained frame of video, carry out data fusion;
5) data fusion module in the embedded information process unit utilizes method for compressing image that the data after merging are compressed storage;
6) data after the compression are utilized pci bus to be transferred in the computer to decompress, watermark extracting, information decomposition, GPS decrypts information handle, and obtain video information and GPS information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010173600 CN101854530A (en) | 2010-05-17 | 2010-05-17 | Method and device for interconnecting GPS (Global Positioning System) receiving module and PCI (Peripheral Component interconnection) video card |
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| CN 201010173600 CN101854530A (en) | 2010-05-17 | 2010-05-17 | Method and device for interconnecting GPS (Global Positioning System) receiving module and PCI (Peripheral Component interconnection) video card |
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Cited By (3)
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| EP3234904A4 (en) * | 2014-12-18 | 2018-06-20 | Nokia Technologies Oy | Method and apparatus for publishing locational copyrighted watermarking video |
| CN110361759A (en) * | 2014-04-23 | 2019-10-22 | 开放电视公司 | For protecting the technology of real-time positioning signal |
| CN112367555A (en) * | 2020-11-11 | 2021-02-12 | 深圳市睿鑫通科技有限公司 | gps data encryption and gps video track playing system |
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| CN110361759A (en) * | 2014-04-23 | 2019-10-22 | 开放电视公司 | For protecting the technology of real-time positioning signal |
| EP3234904A4 (en) * | 2014-12-18 | 2018-06-20 | Nokia Technologies Oy | Method and apparatus for publishing locational copyrighted watermarking video |
| US10607312B2 (en) | 2014-12-18 | 2020-03-31 | Nokia Technologies Oy | Method and apparatus for publishing locational copyrighted watermarking video |
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| CN112367555B (en) * | 2020-11-11 | 2023-03-24 | 深圳市睿鑫通科技有限公司 | gps data encryption and gps video track playing system |
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