CN106657926A - Information transmission system based on intelligent terminal - Google Patents
Information transmission system based on intelligent terminal Download PDFInfo
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- CN106657926A CN106657926A CN201710049065.9A CN201710049065A CN106657926A CN 106657926 A CN106657926 A CN 106657926A CN 201710049065 A CN201710049065 A CN 201710049065A CN 106657926 A CN106657926 A CN 106657926A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/183—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source
Abstract
The invention relates to an information transmission system based on an intelligent terminal, which comprises an information acquisition subsystem, a mobile phone client receiving subsystem and a WCDMA wireless transmission system, wherein the information acquisition subsystem is connected with the mobile phone client receiving subsystem through the WCDMA wireless transmission system, the information acquisition subsystem is composed of an acquisition module, a coding module, a broadband control module and a transmission module, the transmission module is connected with the WCDMA wireless transmission system, the transmission module is sequentially connected with the broadband control module, the coding module and the acquisition module, the mobile phone client receiving subsystem is composed of a display module, a decoding module and a receiving module, the receiving module is connected with the WCDMA wireless transmission system, the receiving module is connected with the decoding module, the decoding module is connected with the display module, and the WCDMA wireless transmission system is controlled through a TMS320DM3730 development board.
Description
Technical field
The present invention relates to message area, more particularly to it is a kind of based on the intelligent terminal information transmission system.
Background technology
With the appearance and popularization of 4G wireless communication technologys, the radio communication with traditional GPRS as representative is revolutionized
The big bottleneck of middle bandwidth low delay so that wireless network transmissions real-time video becomes possible WCDMA networks with its technology maturation
Height, wide coverage, end product is abundant to cause WCDMA wireless network Video transmission systems to be widely used, such as nothing
Line video monitoring, wireless videophone, video request program, mobile phone television living broadcast, mobile video session etc..
The content of the invention
In order to solve the above problems, the invention provides the intelligent terminal information transmission system is based on, including information gathering
System, cell-phone customer terminal receiving subsystem and WCDMA wireless transmitting systems, described information acquisition subsystem is terminated with cell phone customer
Receive subsystem to be connected by WCDMA wireless transmitting systems, described information acquisition subsystem is by acquisition module, coding module, broadband
Control module and transport module are constituted, and the transport module is connected with WCDMA wireless transmitting systems, and the transport module connects successively
Broadband control module, coding module and acquisition module are connect, the cell-phone customer terminal receiving subsystem is by display module, decoder module
Constitute with receiver module, the receiver module is connected with WCDMA wireless transmitting systems, the receiver module connects decoder module,
The decoder module connects display module, and the WCDMA wireless transmitting systems are controlled by TMS320DM3730 development boards.
Preferably, described information acquisition subsystem adopts the linear cameras of CCD.
Preferably, the WCDMA wireless transmitting systems are connected by IP agreement with transport module, receiver module.
The present invention transmits the quality of H.264 video flowing with real-time detection radio network information channel, by intelligent decision, self adaptation
The code stream of various granularity bandwidth is controlled, the indexs such as 4G network traffics, packet loss, the time delay of video data is greatlyd save and is obtained
Larger lifting, also saves 4G broadband network flows for user.
Specific embodiment
The invention provides the intelligent terminal information transmission system is based on, including information gathering subsystem, cell phone customer termination
Subsystem and WCDMA wireless transmitting systems are received, described information acquisition subsystem passes through WCDMA with cell-phone customer terminal receiving subsystem
Wireless transmitting system is connected, and described information acquisition subsystem is by acquisition module, coding module, broadband control module and transport module
Composition, the transport module is connected with WCDMA wireless transmitting systems, and the transport module is sequentially connected broadband control module, compiles
Code module and acquisition module, the cell-phone customer terminal receiving subsystem is made up of display module, decoder module and receiver module, institute
State receiver module to be connected with WCDMA wireless transmitting systems, the receiver module connects decoder module, the decoder module connection is aobvious
Show module, the WCDMA wireless transmitting systems are controlled by TMS320DM3730 development boards.
Preferably, described information acquisition subsystem adopts the linear cameras of CCD.
Preferably, the WCDMA wireless transmitting systems are connected by IP agreement with transport module, receiver module.
Now with the development of artificial intelligence technology, a most ripe direction is exactly the development of pilotless automobile.By
In unpiloted attribute, for the transmission tool of external information there are certain requirements.Therefore it is considered as desirable by the inventor to by described based on intelligence
Energy terminal information transmission system is arranged in pilotless automobile to receive external command.Meanwhile, the present inventor also introduces one kind
Pilotless automobile virtual environment is set for this platform, and transforms pilotless automobile electric control platform of the prior art, by introducing three
Dimension environmental structure equipment carries out virtualization and builds to motor vehicle surrounding environment, emphasis add the detection to neighbouring pedestrian's distance and
Judge, and shown for automobile driver by display device or played back, also by introducing emergency reaction equipment with attached
Urgent danger prevention is carried out during nearly pedestrian's fast approaching, it is to avoid the generation of traffic accident.
Based on this, the present invention provides a kind of pilotless automobile of self-navigation, including based on intelligent terminal information transfer
System, it is described based on the intelligent terminal information transmission system include information gathering subsystem, cell-phone customer terminal receiving subsystem and
WCDMA wireless transmitting systems, described information acquisition subsystem is wirelessly transferred by WCDMA with cell-phone customer terminal receiving subsystem and is
System is connected, and described information acquisition subsystem is made up of acquisition module, coding module, broadband control module and transport module, described
Transport module is connected with WCDMA wireless transmitting systems, and the transport module is sequentially connected broadband control module, coding module and adopts
Collection module, the cell-phone customer terminal receiving subsystem is made up of display module, decoder module and receiver module, the receiver module
It is connected with WCDMA wireless transmitting systems, the receiver module connects decoder module, the decoder module connects display module, institute
State WCDMA wireless transmitting systems to control by TMS320DM3730 development boards.
In a first aspect, the pilotless automobile includes navigator.
In second aspect, described information acquisition subsystem adopts the linear cameras of CCD.
In the third aspect, the WCDMA wireless transmitting systems are connected by IP agreement with transport module, receiver module.
In fourth aspect, the pilotless automobile is also set for this platform including a kind of pilotless automobile virtual environment, institute
State platform and build equipment and pedestrian target testing equipment including three-dimensional environment, three-dimensional environment builds equipment including multiple high-definition cameras
Machine, for building the three-dimensional virtual environment around pilotless automobile car body, pedestrian target testing equipment is built with three-dimensional environment
Equipment connects, and the three-dimensional virtual environment for being based on around pilotless automobile car body detects and export neighbouring pedestrian's target range
The real-time range of pilotless automobile.
At the 5th aspect, the platform includes Realtime Alerts equipment, and pedestrian target testing equipment, for receiving adjacent row
The real-time range of people's target range pilotless automobile, and it is little in the real-time range of neighbouring pedestrian's target range pilotless automobile
When equal to predeterminable range threshold value, Realtime Alerts operation is carried out.
At the 6th aspect, Realtime Alerts equipment is arranged on the vehicle body of pilotless automobile, including two-way speaker.
At the 7th aspect, the platform also includes：
Stand-by power supply, is connected respectively with flameout state testing equipment, vibrating sensing equipment and Wireless Telecom Equipment, for for
Flameout state testing equipment, vibrating sensing equipment and Wireless Telecom Equipment provide supply of electric power；
Flameout state testing equipment, for detecting pilotless automobile currently whether in flameout state, and is detecting
In flameout state when, send non-driving condition signal, detect be not in flameout state when, send driving condition signal；
Vibrating sensing equipment, be arranged on pilotless automobile vehicle body inner side, be connected with flameout state testing equipment, for
When receiving non-driving condition signal, start the detection of the vibration amplitude to vehicle body, and it is big in the vibration amplitude for detecting vehicle body
When predetermined amplitude threshold value, vehicle alert signal is sent, in the vibration amplitude for detecting vehicle body predetermined amplitude threshold value is less than or equal to
And more than predetermined amplitude threshold value half when, send vehicle early warning signal, detecting the vibration amplitude of vehicle body less than or equal to pre-
If during the half of amplitude threshold, sending vehicle normal signal；Vibrating sensing equipment is additionally operable to when driving condition signal is received,
Stop the detection of the vibration amplitude to vehicle body；
GPRS communication apparatus, is arranged on pilotless automobile vehicle body inner side, is connected with vibrating sensing equipment, for receiving
And wireless forwarding vehicle alert signal or vehicle early warning signal are on the hand-held communication terminal of pilotless automobile driver；
Travel direction control device, is arranged in the instrument board of pilotless automobile, the steering wheel with pilotless automobile
Control device connects, for carrying out real-time control to the travel direction of pilotless automobile；
Promptly dodge equipment, be arranged in the instrument board of pilotless automobile, respectively with travel direction control device and car
Away from monitoring device connection, for when target range is less than or equal to default spacing, control travel direction control device to be right to realize
The real-time control of the travel direction of pilotless automobile, it is ensured that pilotless automobile to the direction away from neighbouring pedestrian target is carried out
Dodge；
Spacing monitoring equipment, is arranged in the instrument board of pilotless automobile, is connected with scene fusion device, for receiving
Fused images frame, in fused images frame, unmanned vapour in the movement position and virtual scene based on neighbouring pedestrian target
Car position determines the real-time range of neighbouring pedestrian's target range pilotless automobile to export as target range；
Mode control device, is arranged in the instrument board of pilotless automobile, is connected with equipment of promptly dodging, in nothing
Determine whether to enable equipment of promptly dodging under the operation of people driving driver；
Multiple high-definition cameras, are separately positioned on the diverse location of pilotless automobile vehicle body, each high-definition camera
Strengthen equipment, wavelet filtering equipment, distortion class including intensity compensation devices, CMOS sensing equipments, histogram equalization equipment, edge
Type testing equipment, distortion processing equipment, with reference to point selection equipment, distortion coordinate mapped device, distortion grey scale mapping equipment, target
Identification equipment and coordinates of targets extraction equipment；
Camera calibration marking device, is connected with each high-definition camera, for obtaining the internal reference of each high-definition camera
The outer parameters of number and each high-definition camera, the intrinsic parameter of each high-definition camera include high-definition camera focal length,
CMOS sensing equipment sizes, the pick-up lens distortion factor, the outer parameter of each high-definition camera includes high-definition camera at nobody
The position of driving vehicle body and the shooting direction of high-definition camera；
Coordinate mapped device, is connected with camera calibration marking device, for receive each high-definition camera intrinsic parameter and
The outer parameter of each high-definition camera, and the intrinsic parameter based on each high-definition camera is outer with each high-definition camera
Mapping relations in the image space of parameter determination each high-definition camera between pixel point coordinates and three-dimensional world coordinate；
Three-dimensional coordinate is fitted equipment, is connected for the coordinates of targets extraction equipment respectively with multiple high-definition cameras, is used for
Multiple plane coordinates parameters are received, is also connected with camera calibration marking device, for receiving the image space of multiple high-definition cameras
Middle pixel point coordinates mapping relations respectively between three-dimensional world coordinate, three-dimensional coordinate fitting equipment is based on above-mentioned multiple planes
Coordinate parameters and the corresponding mapping relations of above-mentioned multiple high-definition cameras fit neighbouring pedestrian target in three-dimensional world coordinate
Three-dimensional coordinate in system and as the output of objective coordinate；
Environment rebuilt equipment, is connected with each high-definition camera, for receiving respectively from multiple high-definition cameras
Multiple geometric calibration images, based on multiple geometric calibration images to carrying out environment rebuilt around pilotless automobile vehicle body, to obtain
Obtain and export the virtual scene around pilotless automobile vehicle body；
Scene fusion device, is connected respectively, for based on three-dimensional mesh with environment rebuilt equipment and three-dimensional coordinate fitting equipment
The movement position of neighbouring pedestrian target is fused in virtual scene to obtain and is exported fused images frame by mark coordinate；
Video playback apparatus, are connected to receive and play back fused images frame, video playback apparatus bag with scene fusion device
Include liquid crystal display, display driver and display caching.
At the 7th aspect, wherein, in each high-definition camera, intensity compensation devices are connected with CMOS sensing equipments,
For receiving the high-definition image of CMOS sensing equipments collection, high-definition image is determined based on the gray value of each pixel in high-definition image
Mean flow rate, and the mean flow rate of high-definition image and predetermined luminance are compared, when the mean flow rate of high-definition image is more than
During equal to predetermined luminance, luminance-reduction is carried out to high-definition image and is adjusted to obtain brightness adjustment image, it is average when high-definition image
Brightness is less than predetermined luminance, luminance raising is carried out to high-definition image and is adjusted to obtain brightness adjustment image；CMOS sensing equipments are used
Carry out high-definition data around to pilotless automobile vehicle body to gather to export high-definition image；Histogram equalization equipment is mended with brightness
Equipment connection is repaid, is processed to obtain equilibrium for receiving brightness adjustment image, and histogram equalization being carried out to brightness adjustment image
Image；Edge strengthens equipment and is connected with histogram equalization equipment, for receiving equilibrium figures picture, and carries out edge increasing to equilibrium figures picture
Manage to obtain enhancing image in strength；Wavelet filtering equipment strengthens equipment and is connected with edge, and for receiving image is strengthened, and to strengthening
Image carries out wavelet filtering and processes to obtain filtering image.
In eighth aspect, wherein, in each high-definition camera, distortion type testing equipment connects with wavelet filtering equipment
Connect, for the image that accepts filter, determine the appearance and size of filtering image, the appearance and size based on filtering image and reference figure
The appearance and size of picture determines the distortion type of filtering image, and distortion type includes distortion distortion, radial distortion distortion, affine transformation
Distortion, the distortion of class affine transformation and projective transformation distortion, reference image is to be responsible for high-definition camera region to carry out in advance
The distortionless high-definition image that high-definition data collection is exported；Distortion processing equipment is connected with distortion type testing equipment, when connecing
When the distortion type for receiving distorts for distortion distortion, radial distortion, affine transformation distorts or class affine transformation distorts, based on difference
Distortion type different predetermined geometric transformations carried out to filtering image process, to export geometric calibration image；With reference to point selection
Equipment is connected with distortion type testing equipment, for when the distortion type for receiving distorts for projective transformation, selecting nobody to drive
8 positions around body of a motor car are sailed as calibration reference point；Distortion coordinate mapped device respectively with reference to point selection equipment and
Distortion type testing equipment connect, for determining filtering image in 8 positions coordinate, determine 8 positions in reference image
The coordinate put, determines that geometry is sat based on the coordinate of 8 positions in the coordinate of 8 positions in filtering image and reference image
Mark transformation matrix, and geometric coordinate conversion is carried out to all pixels point of filtering image to obtain based on geometric coordinate transformation matrix
Corresponding multiple new pixels, the horizontal coordinate and vertical coordinate of all pixels point of filtering image are all integer, and new pixel
The horizontal coordinate or vertical coordinate of point differs and is set to integer；Distortion grey scale mapping equipment is connected with distortion coordinate mapped device, uses
In multiple new pixels are received, when the horizontal coordinate and vertical coordinate of new pixel are all integer, the gray value of new pixel
For the gray value of the pixel of same coordinate position in filtering image, when the horizontal coordinate or vertical coordinate of new pixel are non-whole
During number, the gray value based on the multiple pixels around same coordinate position in filtering image calculates the gray value of new pixel,
Gray value based on multiple new pixels exports geometric calibration image.
The 9th aspect, wherein, in each high-definition camera, target identification equipment respectively with distortion processing equipment and
Distortion grey scale mapping equipment connection, for receiving geometric calibration image, and based on preset reference human body contour outline in geometric calibration figure
Neighbouring pedestrian target is identified as in；Coordinates of targets extraction equipment is connected with target identification equipment, for based on the neighbour for identifying
Nearly relative position of the pedestrian target in whole geometric calibration image, it is determined that the plane coordinates parameter of neighbouring pedestrian target；
Wherein, flameout state testing equipment is arranged near the blast pipe of pilotless automobile rear end, including tail gas is dense
Degree sensor, for detecting that the concentration near blast pipe, whether more than preset concentration threshold value, is being detected more than preset concentration threshold
During value, determine that pilotless automobile is not presently within flameout state, when detecting less than or equal to preset concentration threshold value, it is determined that nothing
People's driving is currently at flameout state；
Wherein, predetermined amplitude threshold value and preset concentration threshold value are all input to static storage and set by driver by press key equipment
In standby, static storage device is connected respectively with tail gas concentration sensor and vibrating sensing equipment；
Wherein, equipment of promptly dodging controls travel direction control device to realize the travel direction to pilotless automobile
Real-time control, it is ensured that pilotless automobile to the direction away from neighbouring pedestrian target carries out dodging specifically including：Target range is got over
Little, amplitude of dodging is bigger；
Wherein, display driver is also connected with equipment of promptly dodging, in equipment control travel direction control of promptly dodging
Control equipment is realizing the real-time control of the travel direction to pilotless automobile, it is ensured that pilotless automobile is to away from neighbouring pedestrian
When the direction of target is dodged, target range is pushed in display caching and is accordingly shown in order to liquid crystal display.
At the tenth aspect, camera calibration marking device is arranged in the instrument board of pilotless automobile.
The tenth on the one hand, coordinate mapped device is arranged in the instrument board of pilotless automobile.
At the 12nd aspect, three-dimensional coordinate fitting equipment is arranged in the instrument board of pilotless automobile.
The foregoing is only presently preferred embodiments of the present invention, not to limit the present invention, all spirit in the present invention and
Within principle, any modification, equivalent substitution and improvements made etc. should be included within the scope of the present invention.
Claims (3)
1. the intelligent terminal information transmission system is based on, it is characterised in that：Son is received including information gathering subsystem, cell-phone customer terminal
System and WCDMA wireless transmitting systems, described information acquisition subsystem is wireless by WCDMA with cell-phone customer terminal receiving subsystem
Transmission system is connected, and described information acquisition subsystem is by acquisition module, coding module, broadband control module and transport module group
Into the transport module is connected with WCDMA wireless transmitting systems, and the transport module is sequentially connected broadband control module, coding
Module and acquisition module, the cell-phone customer terminal receiving subsystem is made up of display module, decoder module and receiver module, described
Receiver module is connected with WCDMA wireless transmitting systems, and the receiver module connects decoder module, and the decoder module connection shows
Module, the WCDMA wireless transmitting systems are controlled by TMS320DM3730 development boards.
2. according to claim 1 based on the intelligent terminal information transmission system, it is characterised in that：Described information gathers subsystem
System adopts the linear cameras of CCD.
3. according to claim 1 based on the intelligent terminal information transmission system, it is characterised in that：The WCDMA is wirelessly passed
Defeated system is connected by IP agreement with transport module, receiver module.
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| CN108875640A (en) * | 2018-06-20 | 2018-11-23 | 长安大学 | A kind of end-to-end unsupervised scene can traffic areas cognitive ability test method |
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| CN112104841A (en) * | 2020-11-05 | 2020-12-18 | 深圳市万佳安人工智能数据技术有限公司 | Multi-camera intelligent monitoring method and device for monitoring moving target |
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| CN106657926B (en) | 2017-12-29 |
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Effective date of registration: 20171123 Address after: 361008 Fujian City, Xiamen Software Park, No. three Cheng Yi Avenue, unit 366, 0006 Applicant after: Ropt (Xiamen) Technology Group Co., Ltd. Address before: Binhai New Area 300000 Tianjin Lanyuan Binhai high tech Zone Huayuan Industrial Area Road No. 5, block B -704-1 Applicant before: Gao Yanyun |
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Address after: 361008, Xiamen Software Park, Fujian Province, three, 0006, Yi Cheng street, unit 366 Patentee after: ROPT TECHNOLOGY GROUP Co.,Ltd. Address before: 361008, Xiamen Software Park, Fujian Province, three, 0006, Yi Cheng street, unit 366 Patentee before: Roput (Xiamen) Technology Group Co.,Ltd. |