CN206226617U - A kind of distributed RGB D video flowing acquisition systems - Google Patents

Abstract

A kind of distributed RGB D video flowing acquisition systems, including acquisition module, router, WAN wide area networks, display terminal.The acquisition module embedded microprocessor, embedded microprocessor connects SDRAM, NAND FLASH, Ethernet interface, the interfaces of RS 232, USB interface respectively.USB interface connects RGB D cameras, Ethernet interface connection route device, router connection WAN wide area networks；The display terminal connects WAN wide area networks.A kind of distributed RGB D video flowing acquisition systems of the utility model, can well be applied to the association areas such as video monitoring, can greatly improve the accuracy and security of video monitoring.

Description

A kind of distributed RGB-D video flowings acquisition system

Technical field

A kind of distributed RGB-D video flowings acquisition system of the utility model, it is adaptable to field of video monitoring.

Background technology

The monitoring class product of main flow, still uses common RGB cameras to gather picture number in currently available technology According to, and as social continuing to develop, the view data of common RGB cameras collection cannot meet the demand of society. For example：Present demographics have a wide range of applications value in intelligent monitoring.Traditional demographic method is based on visible The demographics of light, this demographic method based on visible ray easily blocks by sport people in actual applications, with The such environmental effects such as the interference of body thing, light change and target texture change, cause counting accuracy rate low and poor robustness.And such as Fruit, come sampling depth data, just can be good at using RGB-D cameras using the demographic method based on depth transducer The problems such as solution crowd is blocked.Current RGB-D cameras are all based on PC, but the system one side cost based on PC Height, on the other hand installs dumb, if placed for distributed, needs multiple pc machine, is a kind of very big waste to resource. Accordingly, it would be desirable to a kind of low-power consumption, low cost, the distributed RGB-D video flowings acquisition system that can flexibly install, for gathering simultaneously Multiple target video streams.

The content of the invention

In order to solve the above technical problems, the utility model provides a kind of distributed RGB-D video flowings acquisition system, can be very well The accuracy and security that are applied to the association areas such as video monitoring, video monitoring can be greatly improved.

The technical scheme that the utility model is taken is：

A kind of distributed RGB-D video flowings acquisition system, including acquisition module, router, WAN wide area networks, display terminal. The acquisition module embedded microprocessor, embedded microprocessor connect respectively SDRAM, NAND FLASH, Ethernet interface, RS-232 interface, USB interface.USB interface connects RGB-D cameras, Ethernet interface connection route device, router connection WAN Wide area network；The display terminal connects WAN wide area networks.

The embedded microprocessor is the processor of ARM kernels, and the system run on embedded microprocessor is insertion Formula (SuSE) Linux OS.

The display terminal is PC or mobile phone, for being transmitted across by the cross-platform display acquisition module of Web browser The view data come.

The RS-232 interface as acquisition module debugging interface, the IP address for setting acquisition module.

The router is used to all acquisition modules be pooled to a node, and by WAN wide area networks and extraneous communication.

The RGB-D cameras are used for the collection of view data, and RGB-D cameras include a RGB camera and one Depth camera, while gathering rgb image data and depth image data.

The system is distribution B/S frameworks, including multiple acquisition modules, be provided with each acquisition module one it is embedding Enter formula Web server, gathered simultaneously for acquisition module multichannel data.

The system also includes power module, for giving other module for power supply.

A kind of distributed RGB-D video flowings acquisition system of the utility model, technique effect is as follows：

1：By power module to system electrification.For each acquisition module, by RS- when system just starts to start 232 interfaces enter debugging mode, and what a distinctive IP address set to each acquisition module in this mode, then pass through RS-232 interface sends an instruction of restarting to system, after system restarting, embedded microprocessor just automatic load and execution Program code of the storage in NAND FLASH is write in advance, controls RGB-D cameras to start continuous acquisition by USB interface Image, and the image that will be collected is pooled to router by Ethernet interface again after treatment is converted into standard RTSP streams, so Afterwards particular ip address client is given by router by WAN wide-area network distributions.

2：In display terminal, it is not necessary to consider the otherness of platform, directly web browsing is opened on PC or mobile phone Device, after being input into the acquisition module IP and port numbers to be accessed, will endlessly show specified acquisition module in display window The RGB-D video flowings for collecting.

3：System realizes the multi pass acquisition of acquisition module by using distribution B/S frameworks, display terminal it is cross-platform Access.This RGB-D video flowings containing depth image data can be very good to solve common RGB if for demographics Video flowing is easily blocked by sport people, vade mecum interference, light change and target texture change etc. such environmental effects, lead Cause to count low and poor robustness the problem of accuracy rate.

4：Acquisition module, therefore can be with very low cost and flexible the carrying out of power consumption based on embedded platform Distributed installation, while gathering multi-channel video streaming data information.

Brief description of the drawings

Fig. 1 is that the utility model system connects block diagram.

Fig. 2 is that the utility model acquisition module connects block diagram.

Specific embodiment

A kind of distributed RGB-D video flowings acquisition system, including acquisition module 1, router 2, WAN wide area networks 3, display are eventually End.

The embedded microprocessor 6 of the acquisition module 1, embedded microprocessor 6 connects SDRAM7, NAND respectively FLASH8, Ethernet interface 9, RS-232 interface 10, usb 11.The connection RGB-D of usb 11 cameras 12, Ethernet connects 9 connection route devices 2 of mouth, the connection WAN of router 2 wide area networks 3；The display terminal connection WAN wide area networks 3.

SDRAM7, NAND FLASH8 mainly as memory, for storing dependent instruction and data.

Ethernet interface 9 carries out the transmitting-receiving of network data by RTSP real time streaming transport protocols, is gone back in the program debugging stage For the on-line debugging of program.

Usb 11 is used to be communicated between embedded microprocessor 6 and RGB-D cameras 12.

The embedded microprocessor 6 is the processor of ARM kernels, and embedded microprocessor 6 is substantially carried out the tune of system With, it is ensured that the normal execution of each function.The embedded microprocessor 6 is the processor of ARM kernels, because the place of ARM kernels Reason device not only ensure that the performance required by the system, and it goes back small volume, low in energy consumption, low cost, is especially suitable for the system To be reached low cost, low-power consumption, requirement easy for installation.Simultaneously the embedded microprocessor 6 operation be embedded (SuSE) Linux OS, the system is a kind of software platform system increased income completely and can reduce, and simplification of the kernel, performance is high, steady It is fixed, multitask, simultaneously because its characteristic for increasing income completely, therefore in the absence of black box technology, global Linux fans can be obtained Powerful technical support, be extremely suitable for use on the embedded platform of the system acquisition module 1.

The display terminal is PC 4 or mobile phone 5, for showing that acquisition module 1 is sended over by Web browser View data.

The RS-232 interface 10 passes through the interface mainly as the debugging interface of acquisition module 1 in the system debug stage Serial communication is carried out with the embedded platform of acquisition module 1, debugging system program and the initialization such as IP address of platform is set Parameter.

The router 2 is mainly used in collecting the data that each acquisition module 1 is collected, and is distributed by WAN wide area networks 3 Give particular ip address client.

The RGB-D cameras 12 are used for the collection of view data, RGB-D cameras 12 include RGB camera and One depth camera, while gathering rgb image data and depth image data.The utility model system mainly utilizes the shooting Head carrys out sampling depth view data and while converts thereof into standard RTSP streams.

The system is distribution B/S frameworks, including multiple acquisition modules 1 are provided with one in each acquisition module 1 Embedded web server, i.e., run a Web server for supporting script or CGI functions on embedded device, can generate Dynamic page, only needs to just embedded device can be managed and be supervised by Web browser in the user terminal of display terminal Control, is especially suitable for the cross-platform access of the system display terminal PC 4 and mobile phone 5.

The system also includes power module 13, for giving other module for power supply.

Essential step：

The utility model system is connected by RS-232 interface 10 and controlled before the use, it is necessary to be first switched to debugging mode Platform processed, when each acquisition module 1 is electric on just, enters debugging mode, then in this mode in console input enter key The initiation parameters such as the IP address of the acquisition module 1, Starting mode are set, arrange parameter are preserved afterwards and then is restarted.

On acquisition module 1 after electricity, embedded microprocessor 6 just performs correlation and refers to successively according to the start-up parameter for setting Order, loads BootLoader to SDRAM7 and performs from NAND FLASH8 first, then embedded from NAND FLASH8 loadings again (SuSE) Linux OS is performed to SDRAM7, then loads the advance capture program for writing to SDRAM7 from NAND FLASH8 again Perform, finally start the collection of image.Capture program controls RGB-D cameras 12 to gather image by usb 11, and passes through Usb 11 constantly passes the view data of collection back, and the view data that final embedded microprocessor 6 will can be passed back is converted into mark After quasi- RTSP streams, or else open close Ethernet interface 9 of crossing is pooled to router 2, and the distribution of data is realized by router 2.

A kind of distributed RGB-D video flowings acquisition system of the utility model, is sent out view data by Ethernet interface 9 When seeing off, the transmission of video flowing is realized using RTSP real time streaming transport protocols, i.e., RGB-D cameras 12 are collected Video flowing be first converted into standard RTSP streams after, then sent by Ethernet interface 9.Using the benefit of RTSP real time streaming transport protocols It is that the agreement easily extends, easily parses, providing recording equipment control, multiserver support, is especially suitable for the utility model system Internetwork communicating requirement.

On display terminal after electricity, Web browser is opened on PC 4 or mobile phone 5, be input into the acquisition module 1 to be accessed IP and port numbers after, router 2 can according to particular ip address complete data distribution correspondence acquisition module 1, each collection mould Web server on block 1 can be monitored and process the HTTP connection requests from Web browser, when matching from Web browser During the HTTP request of access video streams, corresponding acquisition module 1 will respond, i.e., from current frame buffer area, start to regard Frequency flow data is sent to the browser of connection request side, and connection request side will pass through browser on a display screen not after receiving data Disconnected display of video streams data.When needing to check the video stream data of the collection of which acquisition module 1, just in web browsing Device is input into the IP and port numbers of corresponding acquisition module 1, without consideration be in PC 4 or the platform of mobile phone 5, realize across The access of platform.In addition, in display window the video flowing of display can also be made in RGB color figure and depth map by arrange parameter Between switch, can as needed show oneself desired view data.

The system software architecture uses distributed B/S frameworks, therefore can simultaneously gather the RGB-D video flowings of multichannel Data, these data may finally be all collected carries out statistical analysis together, can be more efficient, accurate to some applications Really.

Claims (8)

1. a kind of distributed RGB-D video flowings acquisition system, including acquisition module（1）, router（2）, WAN wide area networks（3）, it is aobvious Show terminal, it is characterised in that：The acquisition module（1）Embedded microprocessor（6）, embedded microprocessor（6）Connect respectively SDRAM（7）、NAND FLASH（8）, Ethernet interface（9）, RS-232 interface（10）, USB interface（11）；USB interface（11）Even Connect RGB-D cameras（12）, Ethernet interface（9）Connection route device（2）, router（2）Connection WAN wide area networks（3）；It is described aobvious Show that terminal connects WAN wide area networks（3）.

2. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The insertion declines Processor（6）It is the processor of ARM kernels, embedded microprocessor（6）The system of upper operation is that built-in Linux operates system System.

3. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The display terminal It is PC（4）Or mobile phone（5）, display terminal is for passing through the cross-platform display acquisition module of Web browser（1）Send over View data.

4. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The RS-232 connects Mouthful（10）As acquisition module（1）Debugging interface, for setting acquisition module（1）IP address.

5. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The router（2） For all acquisition modules（1）A node is pooled to, and by WAN wide area networks（3）Communicated with the external world.

6. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The RGB-D shootings Head（12）For the collection of view data, RGB-D cameras（12）Including a RGB camera and a depth camera, together When gather rgb image data and depth image data.

7. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The system is distribution Formula B/S frameworks, including multiple acquisition modules（1）, each acquisition module（1）In be provided with an embedded web server, For acquisition module（1）Multichannel data is gathered simultaneously.

8. a kind of distributed RGB-D video flowings acquisition system according to claim 1, it is characterised in that：The system also includes Power module（13）, for giving other module for power supply.