CN106603553A - Boat-coast video snapshot transmission system and transmission method - Google Patents
Boat-coast video snapshot transmission system and transmission method Download PDFInfo
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- CN106603553A CN106603553A CN201611244171.4A CN201611244171A CN106603553A CN 106603553 A CN106603553 A CN 106603553A CN 201611244171 A CN201611244171 A CN 201611244171A CN 106603553 A CN106603553 A CN 106603553A
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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
- H04N7/185—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a single remote source from a mobile camera, e.g. for remote control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/40—Support for services or applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/2866—Architectures; Arrangements
- H04L67/30—Profiles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/20—Adaptations for transmission via a GHz frequency band, e.g. via satellite
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A10/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE at coastal zones; at river basins
- Y02A10/40—Controlling or monitoring, e.g. of flood or hurricane; Forecasting, e.g. risk assessment or mapping
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- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Mobile Radio Communication Systems (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention relates to a boat-coast video snapshot transmission method. The method comprises the following steps: providing a video stream needing to be transmitted to a coast end; according to an acquisition instruction, intercepting image frames corresponding to the video stream; encoding the intercepted image frames according to set parameters and storing the encoded image frames in the form of images; and transmitting the stored images through satellite communication, and deleting the corresponding transmitted images after receiving success information fed back by the coast end is received. According to the invention, video snapshot transmission is used for replacing video stream transmission by use of an image frame intercepting mode, coast-end users can watch boat-end video images through pictures in a low-bandwidth and low-cost mode, network resources and communication cost are saved, and the problems of high transmission video stream communication cost, small bandwidth, proneness to stagnation, poor image quality and difficulty in watching real-time video monitoring images at the coast end due to the satellite communication are solved.
Description
Technical field
The present invention relates to the communication field between ship-to-shore, refers in particular to a kind of ship-to-shore video snap-shot Transmission system and transmission method.
Background technology
Ship unavoidably will produce frequently communication for information with the numerous aspects in land in operation.In maritime satellite communications
Today for mutually merging, mutually promote, constantly developing with Internet technology, ship realizes that ship-to-shore is whole by maritime satellite system
The application of Email communication technologys, makes ship to drop into row with world's random angle whenever and wherever possible and contacts, and promotes ship-to-shore information one
Change.
For the video monitoring of ship, bank end needs to receive situation of the ship end video pictures to understand ship end, so
Need for the video monitoring of ship to be sent to bank end.But because the expense of maritime satellite communications mode is extremely expensive, and it is logical
Letter bandwidth cannot also meet the bandwidth required for the transmission of digital video.So there is communication expense in terms of the video monitoring of ship
With higher, bandwidth is less, and transmission of video is affected by bandwidth, and the normal interim cards of Jing, image quality are poor, and bank end subscriber is hardly visible and regards in real time
The problems such as frequency monitored picture.
The content of the invention
It is an object of the invention to overcome the defect of prior art, there is provided a kind of ship-to-shore video snap-shot Transmission system and transmission
Method, solves the video monitoring aspect of ship in prior art due to caused communication cost height, bandwidth using satellite communication
It is little, occur that interim card, image quality are poor, bank end is hardly visible the problem of real-time video monitoring picture.
Realizing the technical scheme of above-mentioned purpose is：
The invention provides a kind of ship-to-shore video snap-shot transmission method, comprises the steps：
Offer needs the video flowing that onshore end is transmitted；
Corresponding picture frame in the video flowing is intercepted according to acquisition instructions；
Institute's truncated picture according to setup parameter is carried out into coded treatment and is preserved in the form of images；Foundation
The image for being preserved is sent to into bank end by satellite communication, and after the reception successful information for receiving bank end feedback
By the corresponding image-erasing for having transmitted.
The present invention replaces video streaming using the method for intercepting picture frame using video snap-shot transmission, realizes bank end use
Family can watch ship end video pictures with low bandwidth, low expense by picture, save Internet resources and communication fee, solve
Transmitting video-frequency flow communication cost is high caused by satellite communication, bandwidth is little, easily occurs that interim card, image quality be poor, and bank end is hardly visible reality
When video monitoring picture problem.The transmission method of the present invention is applied to low bandwidth, the network environment of non real-time connection, is based on
The technology of frame sectional drawing is taken out in video flowing timing in ship end, and automatically by image transmitting to bank end so that bank end subscriber can pass through
Discontinuous picture sees ship end video pictures, and one is provided by satellite communication mouth of pipe ship end video pictures for bank end subscriber
Plant brand-new method.
Further improvement is that for ship-to-shore video snap-shot transmission method of the present invention, according to acquisition instructions the video flowing is intercepted
In the production method of acquisition instructions in corresponding picture frame include：
Acquisition instructions are produced according to the time interval of setting；And/or
Acquisition instructions are produced according to the input operation at ship end.
Further improvement is that for ship-to-shore video snap-shot transmission method of the present invention, also includes：
During preserved image is transmitted by satellite communication, if there is communication disruption, by the transmission of image
State is preserved, after connection to be communicated, the transmission state of reading and saving, and the non-transmitting portion of image is continued to transmit with reality
Existing breakpoint transmission.
Ship-to-shore video snap-shot transmission method of the present invention further improvement is that, there is provided the video for needing onshore end to transmit
Stream, including：
The configuration parameter in configuration file is read, the configuration parameter includes video equipment information and image output information；
Device address in the video equipment information for reading carries out initializing video connection, corresponding to obtain
The video flowing of video equipment.
Further improvement is that for ship-to-shore video snap-shot transmission method of the present invention, is also included to configuring in the configuration file
Parameter is updated operation, including：
New video equipment information and new image output information are manually entered in ship end and replace in former configuration file
Video equipment information and image output information；And/or
New configuration file being formed in bank end and being stored in bank end server, the image for being preserved is being passed through into satellite communication
When being sent to bank end, the new configuration file in the server of the bank end is read, and first wife is updated according to new configuration file and put
File.
Present invention also offers a kind of ship-to-shore video snap-shot Transmission system, including：
Video snap-shot unit, is connected with the video equipment at ship end, for obtaining the video flowing of the video equipment at ship end,
And intercept corresponding picture frame in the video flowing；
Memory element, is connected with the video snap-shot unit, for storing the video snap-shot unit in the form of images
Truncated picture frame；
Transmitting element, is connected with the memory element, for the image preserved in the memory element to be led to by satellite
Letter is sent to bank end；
Receiving unit, for receiving the reception successful information of bank end feedback；And
Processing unit, with the video snap-shot unit, the memory element, the transmitting element and the receiving unit
Control connection；
Wherein：The processing unit forms acquisition instructions and is sent to the video snap-shot unit, to make the video snap-shot
Unit intercepts corresponding picture frame in the video flowing according to the acquisition instructions, and to institute's truncated picture frame according to setting ginseng
Number carries out coded treatment, and then the picture frame of encoded process is stored in the form of images in the memory element；
When setting up satellite communication with bank end and being connected, formation sends instructions to the transmitting element to the processing unit, with
Make the image preserved in the transmitting element reading memory element and bank end is sent to by satellite communication；
The processing unit is additionally operable to will be described after the receiving unit receives the reception successful information of bank end feedback
The corresponding image-erasing for having transmitted in memory element.
Ship-to-shore video snap-shot Transmission system of the present invention further improvement is that the processing unit includes timer and touches
Send out button；
The timer sends trigger to make the process single according to the time interval of setting to the processing unit
Unit forms acquisition instructions；And/or
The trigger button sends trigger to make the place according to the input operation at ship end to the processing unit
Reason unit forms acquisition instructions.
Ship-to-shore video snap-shot Transmission system of the present invention further improvement is that the transmitting element is additionally operable to by defending
When there is communication disruption during the preserved image of star communication transmission, the transmission state of image is stored in into the storage single
In unit, after connection to be communicated, read the transmission state that preserves in the memory element and the non-transmitting portion of image is continued into biography
Send to realize breakpoint transmission.
Further improvement is that for ship-to-shore video snap-shot Transmission system of the present invention, also includes what is be connected with the memory element
Parameter set unit, the parameter set unit is used to arrange configuration parameter and be stored in the storage in the form of configuration file
In unit, the configuration parameter includes video equipment information and image output information；
The processing unit is operationally read in the configuration file in the memory element, and the configuration file that will be obtained
Configuration parameter be sent to video snap-shot unit, to make equipment of the video snap-shot unit in the video equipment information
Address carries out initializing video connection.
Further improvement is that for ship-to-shore video snap-shot Transmission system of the present invention, is provided with and institute in the parameter set unit
State the parameter update module of processing unit connection；
The processing unit is used for the new video equipment information for being manually entered at the ship end for receiving and new image
Output information is sent to the parameter update module, and the parameter update module is by the new video equipment information for receiving and newly
Image output information replace video equipment information and image output information in former configuration file；And/or
The new configuration file from bank end server that the processing unit is used to receive the receiving unit sends
To the parameter update module, the parameter update module updates former configuration file according to new configuration file.
Description of the drawings
Topological structure schematic diagram when Fig. 1 is ship-to-shore video snap-shot Transmission system application of the present invention.
Fig. 2 is the system diagram of ship-to-shore video snap-shot Transmission system of the present invention.
Fig. 3 is the flow chart of ship-to-shore video snap-shot transmission method of the present invention.
Fig. 4 is the flow chart that configuration parameter is arranged in ship-to-shore video snap-shot transmission method of the present invention.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment.
The invention provides a kind of ship-to-shore video snap-shot Transmission system and transmission method, be applied to ship information integration and
Ship field of video monitoring.Under satellite communication, solution communication expense is high, bandwidth is little so that bank end is hardly visible real-time video prison
The problem of control picture.The video snap-shot Transmission system and transmission method of the present invention realizes low bandwidth, the network rings of non real-time connection
Under border, based on the technology that ship end video is taken out frame sectional drawing, formed image transmitting is processed to bank end by encoded, for
Ship end video pictures are seen in bank end by discontinuous picture, reduce the data volume of network transmission, save ship-to-shore satellite
The expense of communication, also achieves in addition the function that bank end remotely updates configuration parameter so that change ship according to actual needs in bank end
The configuration parameter at oceangoing ship end, reaches remotely located purpose.The modification of the configuration parameter includes the size of picture, compression ratio and cuts
Figure frequency, selection of device channels etc..Ship-to-shore video snap-shot Transmission system of the present invention and transmission method are entered below in conjunction with the accompanying drawings
Row explanation.
As shown in figure 1, the ship-to-shore video snap-shot Transmission system 12 of the present invention is installed in ship end 10, at ship end 10 also
Video monitoring system 11 is equiped with, the ship-to-shore video snap-shot Transmission system 12 is connected with video monitoring system 11, and video is supervised
The video flowing that control system 11 is produced carries out taking out frame sectional drawing, forms image and is transmitted by satellite 30.Ship end 10 is by defending
Star 30 is communicated to connect with bank end 20, and bank end 20 is provided with satellite antenna 201, bank end server 202 and bank end remote parameter
More new system 203, bank end server 202 is used to store the image that the next encoded process of the transmission of Jing satellites 30 is formed,
The image that the transmission comes is stored in bank end server 202 in the form of picture, remote parameter more new system 203 in bank end is used to read
And the picture of the memory storage of bank end server 202 is shown, to realize that the user of bank end 20 checks picture.
With reference to described in Fig. 2, the ship-to-shore video snap-shot Transmission system 12 of the present invention includes that video snap-shot unit 121, storage are single
Unit 122, transmitting element 123, receiving unit 124, parameter set unit 126 and processing unit 125, video snap-shot unit 121
It is connected with the video equipment at ship end, for obtaining the video flowing of the video equipment at ship end, and intercepts corresponding in video flowing
Picture frame；Memory element 122 is connected with video snap-shot unit 121, for storing 121 sections of video snap-shot unit in the form of images
The picture frame for taking；Transmitting element 123 is connected with memory element 122, and the image for will preserve in memory element 122 passes through satellite
Communication is sent to bank end 20；Receiving unit 124 is used to receive the reception successful information of the feedback of bank end 20；Processing unit 125 with regard
The control connection of frequency snapshot unit 121, memory element 122, transmitting element 123 and receiving unit 124；Wherein processing unit 125
Form acquisition instructions and be sent to video snap-shot unit 121, to make the video snap-shot unit 121 intercept video flowing according to acquisition instructions
In corresponding picture frame, and coded treatment carried out according to setup parameter to institute's truncated picture frame, and then by encoded process
Picture frame be stored in the form of images in memory element 122；Processing unit 125 is connected setting up satellite communication with bank end 20
When, formation send instructions to transmitting element 123, with make transmitting element 123 read memory element 122 in preserve image and pass through
The communication of satellite 30 is sent to bank end 20；Processing unit 125 be additionally operable to receiving unit 124 receive bank end 20 feedback reception into
By the corresponding image-erasing for having transmitted in memory element 122 after work(information.
The ship-to-shore video snap-shot Transmission system 12 of the present invention using take out the mode of frame sectional drawing by the video pictures at ship end with
The mode of image is transmitted to bank end, so that bank end subscriber can view the video pictures at ship end, and the image foundation transmitted
Setup parameter carries out coded treatment, and the requirement such as dimension of picture, compression ratio and resolution of needs is met by setup parameter, leads to
Cross picture processing and send image and replace video, reduce the data volume of network transmission, and then save ship-to-shore satellite communication
Expense.And solve the problems, such as satellite communication low bandwidth and cannot transmitting video-frequency flow.The Transmission system of the present invention forms sectional drawing
Picture frame stored in the form of images, when communication connection is set up, then the image of storage is transmitted, and bank end is received
Meeting send feedback information gives ship end to after image, so that delivered image is deleted from memory element, saves ship
The memory space at end.
Used as a better embodiment of ship-to-shore video snap-shot Transmission system of the present invention, processing unit 125 includes timer
And trigger button, in processing unit 125, trigger button is connected the timer with processing unit 125, and the trigger button is formed
So that the user at ship end 10 presses in display picture.Timer sends according to the time interval of setting to processing unit 125
To make the processing unit 125 form acquisition instructions, the time interval can be set trigger with manual amendment；And/or triggering is pressed
Button sends trigger to make processing unit 125 form acquisition instructions according to the input operation at ship end 10 to processing unit 125.
The input operation touches operation for the point that user presses the trigger button shown in display picture.Pressed by arranging timer and triggering
Button, realizes the mode of two kinds of formation acquisition instructions, i.e. time interval and artificial triggering two ways, cuts according to both modes
Take video flowing and form corresponding picture frame, increase the corresponding picture frame of intercepting of artificial triggering mode so that occur at ship end
During special case, can in time form image and then be transferred to bank end so that the video snap-shot Transmission system of the present invention is more real
With value.
Used as another better embodiment of ship-to-shore video snap-shot Transmission system of the present invention, transmitting element 123 is additionally operable to
When there is communication disruption during by the preserved image of the communication transmission of satellite 30, the transmission state of the image is stored in
In memory element 122, after connection to be communicated, the transmission state that preserves in memory element 122 is read and by the non-sending part of image
Divide and continue to transmit to realize breakpoint transmission.The such as one encoded size for processing formed image waiting for transmission is 150KB,
Satellite communication connection after having transmitted 100KB in transmitting procedure disconnects, and now transmitting element 123 is by the transmission shape of the image
State is stored, and is recorded the image and is also had 50KB not transmit, then next upload clock arrives, and after satellite communication connection, sends single
Unit 123 reads transmission state, and remaining 50KB is continued to transmit.After bank end 20 receives the image, receive sending successfully
Information to ship end 10, to make the ship end 10 know the image transmission success.
Used as the another better embodiment of ship-to-shore video snap-shot Transmission system of the present invention, the Transmission system 12 is also included
Parameter set unit 126, the parameter set unit 126 is connected with memory element 122, and parameter set unit 126 is matched somebody with somebody for setting
Put parameter and be stored in the form of configuration file in memory element 122, configuration parameter includes video equipment information and image
Output information, video equipment information includes equipment serial number, device name, device type, uploading channel and local channel, should
Also include in video equipment information according to uploading channel formed device address, image output information include ship name,
Number indicating a ship's order of departure information, picture compression rate, photo resolution, on by reference, upload frequencies, locally stored position and storing frequencies.Ginseng
Corresponding video equipment information and image output information are formed attribute input frame by number setting unit 126, to facilitate user right
Corresponding parameter information is input in the attribute input frame answered, is stored in memory element 122 so as to form configuration file, some category
Optionies are provided with property input frame, by drop down button selecting corresponding parameter.Processing unit 125 operationally reads and deposits
Configuration file in storage unit 122, and the configuration parameter in the configuration file of acquisition is sent to into video snap-shot unit 121, with
The device address of the video snap-shot unit 121 in video equipment information is made to carry out initializing video connection, after successful connection,
The video flowing of the video equipment is obtained, then the storing frequencies in video equipment information intercept figure as time interval
Picture, intercept the image for being formed carries out coded treatment according to image output information, to form satisfactory dimension of picture, compression ratio
And resolution.Then the image for processing is stored in by locally stored position according to locally stored position, in order to follow-up biography
Send.
The parameter update module being connected with processing unit 125, processing unit 125 are provided with parameter set unit 126
It is sent to parameter and updates for receives new video equipment information that ship end 10 is manually entered and new image output information
Module, parameter update module replaces the new video equipment information for receiving and new image output information in former configuration file
Video equipment information and image output information；And/or processing unit 125 be used for by receiving unit 124 receive from bank end
The new configuration file of server 202 is sent to parameter update module, and parameter update module updates former according to new configuration file
Configuration file.The ship-to-shore video snap-shot Transmission system 12 of the present invention will be configured when initial either manually or by parameter set unit 126
Parameter setting is good, then when Transmission system 12 is run, according to the configuration parameter for pre-setting the intercepting process of image is carried out
And transmission, in running, user, can in the user of ship end 10 in the renewable configuration parameter in ship end 10 and bank end 20
To update configuration parameter manually, new parameter is input in the attribute input frame shown by parameter set unit 126, is being set up
Cheng Hou, clicks on and preserves, and new video equipment information and new image output information are sent to parameter and update mould by processing unit 125
New video equipment information and new image output information are replaced the video in former configuration file and are set by block, the parameter update module
Standby information and image output information are stored in memory element 122.New configuration parameter can be input in the user of bank end 20, this is new
Configuration parameter be stored in the form of new configuration file in bank end server 202, set up satellite communication connection after, ship
When holding 10 onshore end 20 to send the image for preserving, processing unit 125 can be checked in bank end server 202 and whether there is new configuration
File, is received new configuration file by receiving unit 124 if having, and then new configuration file is sent to into parameter more
New configuration file is replaced former configuration file and is stored in memory element 122 by new module, the parameter update module.
As shown in figure 1, the video monitoring system at ship end 10 includes various video equipment, Transmission system 12 is based on
RTSP agreements are set up with each video equipment and are connected, and realize the support to most of video monitoring equipment and network video source, make
Obtain Transmission system applied range of the invention.Video equipment at ship end 10 includes DVR 111a, 111b, net
Network videocorder 113 and encoder 112, DVR 111a, 111b is provided with multiple ports, is taken the photograph with simulation by port
As 114 connection, for the analog video signal that simulation photographic head 114 is produced to be converted to into digital video signal.Each video
Equipment is provided with the corresponding URL (network address) based on RTSP agreements, and the URL that should be based on RTSP agreements is exactly device address, root
Generate according to the uploading channel for arranging.Video snap-shot unit 121 carries out initialization and regards by the corresponding URL based on RTSP agreements
Frequency connects, and the video flowing of video equipment just can be in real time obtained after successful connection, then intercepts video further according to acquisition instructions
Corresponding picture frame in stream, then coded treatment and in the form of images is carried out according to the image output parameter of setting to the picture frame
Preserved.In the image for being preserved after satellite 30 is sent to bank end 20, bank end 20 is by satellite antenna 201 and satellite 30
Communication connection, is received after image by satellite antenna 201, in storing the image on bank end server 202, bank end remote parameter
More new system 203 is connected with bank end server 202, can show the image being stored in bank end server 202, and the bank end is remote
Journey parameter more new system 203 is additionally operable to the new configuration parameter of user input at bank end 10, and correspondingly, at bank end, remote parameter is more
The attribute input frame of correspondence property parameters is shown at new system 203, after corresponding parameter is input into, new configuration text is just formed
Part is stored in bank end server 202 to send ship end 10 to when satellite communication connects.
Ship-to-shore video snap-shot transmission method of the present invention is illustrated below.
The invention provides a kind of ship-to-shore video snap-shot transmission method, comprises the steps：
Offer needs the video flowing that onshore end is transmitted；Corresponding picture frame in the video flowing is intercepted according to acquisition instructions；Will
Institute's truncated picture frame carries out coded treatment and is preserved in the form of images according to setup parameter；The image for being preserved is led to
Cross satellite communication and be sent to bank end, and delete the corresponding image for having transmitted after the reception successful information for receiving bank end feedback
Remove.
As shown in figure 1, the ship-to-shore video snap-shot transmission method of the present invention is applied to defending between ship end 10 and bank end 20
Star communication, realizes bank end with low bandwidth, low expense and passes through the effect that picture watches ship end video pictures, is that bank end is used to lead to
Cross satellite communication viewing ship end video pictures and provide a kind of brand-new method, compared to the transmission of video flowing, greatly save
Internet resources and communication fee are saved.The transmission method of the present invention, takes video flowing the technology for taking out frame sectional drawing to form corresponding
Picture frame, and coded treatment is carried out according to setup parameter to picture frame, to obtain meeting the image of demand.The transmission side of the present invention
Method solves caused by satellite communication that transmitting video-frequency flow communication cost is high, bandwidth is little, easily occurs that interim card, image quality are poor, and bank end is difficult
See the problem of real-time video monitoring picture.
As a better embodiment of transmission method of the present invention, according to acquisition instructions corresponding image in video flowing is intercepted
The production method of the acquisition instructions in frame includes：Acquisition instructions are produced according to the time interval of setting；And/or according to ship end
Input operation produces acquisition instructions.Two kinds of modes for taking out frame sectional drawing are realized, a kind of mode of the time interval according to setting is cut
Corresponding picture frame in video flowing is taken, the time interval can modify and set according to needing, another kind is according to artificial defeated
The acquisition instructions for entering to intercept video flowing in corresponding picture frame, increase the mode that is manually entered so that occur at ship end special
During different situation, can in time form image and then be transferred to bank end so that the video snap-shot Transmission system of the present invention is more practical
Value.It is preferred that the acquisition instructions can be realized by being arranged on the ship-to-shore video snap-shot Transmission system 12 at ship end 10,
Processing unit 125 is provided with Transmission system 12, foundation can be realized by arranging timer in processing unit 125 and set
The mode of fixed time interval produces acquisition instructions；Can also be by processing unit 125 in the picture (operation interface) for showing
Trigger button is formed, user touches the trigger button so as to form acquisition instructions by point.
As another better embodiment of transmission method of the present invention, it is additionally included in what is preserved by satellite communication transmission
During image, if there is communication disruption, the transmission state of image is preserved, after connection to be communicated, reading and saving
Transmission state, and the non-transmitting portion of image is continued to transmit to realize breakpoint transmission.It is costly due to satellite communication,
Satellite communication between ship end 10 and bank end 20 is connected as non real-time connection, typically realizes that satellite leads in the way of time interval
Letter connection, after satellite communication connection, realizes the alternating transmission of information, has no progeny in satellite communication, and information transfer is also interrupted to be needed
Satellite communication next time is waited to connect.The transmission method of the present invention is the satellite communication connection for adapting to non real-time connection, is increased
The function of breakpoint transmission is added, to avoid repetition from sending image the unnecessary wasting of resources has been caused, breakpoint has been exemplified below
The process for resuming：If the size of the image for being formed of an encoded process waiting for transmission is 150KB, in transmitting procedure
Transmit satellite communication connection after 100KB to disconnect, now the image has 50KB not transmit, and the transmission state is recorded, under
One uploads clock arrives, and after satellite communication connection, reads transmission state, and remaining 50KB is continued to transmit.When bank end 20 receives
To after the image, will send and receive successful information to ship end 10, to make the ship end 10 know the image transmission success.
As the another better embodiment of transmission method of the present invention, there is provided need the video flowing that onshore end is transmitted to include：
The configuration parameter in configuration file is read, the configuration parameter includes video equipment information and image output information；According to what is read
Device address in video equipment information carries out initializing video connection, to obtain the video flowing of corresponding video equipment.Configuration
Video equipment information in parameter includes equipment serial number, device name, device type, uploading channel and local channel, should
Also include in video equipment information according to uploading channel formed device address, image output information include ship name,
Number indicating a ship's order of departure information, picture compression rate, photo resolution, on by reference, upload frequencies, locally stored position and storing frequencies.On
The mode that the video equipment information stated and image output information can manually be input into is configured, after being provided with, at this
When transmission method runs, first the device address in video equipment information carries out initializing video connection, after successful connection, obtains
The video flowing of the video equipment is taken, then the storing frequencies in video equipment information intercept image as time interval
Frame, intercept the picture frame for being formed carries out coded treatment according to image output information, to form satisfactory dimension of picture, compression
Rate and resolution.Then the picture frame for processing is stored in the form of images by locally stored position according to locally stored position
Put, in order to follow-up transmission.
Further also include being updated operation to configuration parameter in configuration file, including：
New video equipment information and new image output information are manually entered in ship end and replace in former configuration file
Video equipment information and image output information；And/or
New configuration file being formed in bank end and being stored in bank end server, the image for being preserved is being passed through into satellite communication
When being sent to bank end, the new configuration file in the server of bank end is read, and former configuration file is updated according to new configuration file.
When initial, manually it be input into and set configuration parameter, then operationally, according to matches somebody with somebody for pre-setting
Putting parameter carries out intercepting process and the transmission of image, and in running, user is renewable at ship end 10 and bank end 20
Configuration parameter, in the user of ship end 10 configuration parameter can be manually updated, and be manually input into new parameter, be provided with
Afterwards, click on and preserve, the video equipment in video equipment information and the new former configuration file of image output information replacement that will be new
Information and image output information.New configuration parameter can be input in the user of bank end 20, the new configuration parameter is with new configuration
The form of file is stored in bank end server 202, and after satellite communication connection is set up, 10 onshore end of ship end 20 sends and preserves
Image when, check in bank end server 202 with the presence or absence of new configuration file, new configuration file is replaced into first wife if having
Put file and stored.
As shown in figure 4, illustrating to the flow process of arrange parameter configuration below.
Execution step S301, equipment control, with reference to shown in Fig. 1, to the video in the video monitoring system 11 at ship end 10
Equipment is managed, so that the video equipment in video monitoring system 11 is added into ship-to-shore video snap-shot Transmission system 12；
Then execution step S302, adds equipment, needs the video equipment of connection to be required to be added operation for each when initial；
Then execution step S303, selects equipment vendors, and the manufacturer of several frequently seen video equipment can be provided herein for user's choosing
Select, be displayed in the way of drop-down list in operation interface for user's selection, execution step S304 when selecting, judge manufacturer
Whether in lists, execution step S305 if in lists, if not execution step S311 if, execution step S305 is selected
Production firm, manufacturer selectes rear execution step S306, fills in facility information, includes device name, equipment serial number, equipment class
Type, uploading channel and local channel, select to preserve after filling；Then execution step S306, generates to each equipment and is based on
The URL of RTSP agreements as device address, the device address for system according to selected manufacturer and the uploading channel filled in from
The dynamic address for generating.Execution step S311, select device type, manufacturer not provide list in when, select video equipment
Type, then execution step S312, judges whether the video equipment is DVR, if then execution step S313, if
Otherwise execution step S314, execution step S313, fill in device name and the URL based on RTSP agreements of each sectional drawing passage
As device address；Execution step S314, fills in the URL of device name and equipment based on RTSP agreements as device address.By
Multiple ports are provided with DVR, are connected with simulation photographic head by port, for produce simulation photographic head 114
Analog video signal is converted to digital video signal.So when the device address of DVR is filled in, to determine that sectional drawing leads to
The URL based on RTSP agreements in road, and for web camera can direct output digit signals, it can be directly inputted and be based on RTSP
The URL of agreement.Set up with each video equipment based on RTSP agreements and be connected, realized to most of video monitoring equipment and network video
The support in frequency source so that the Transmission system applied range of the present invention.Then execution step S308, initializes video connection, root
According to the device address of each video equipment for arranging initialization connection is carried out to obtain video flowing.
As shown in figure 3, illustrating to the flow process of ship-to-shore video snap-shot transmission method of the present invention below.
Execution step S201, obtains configuration parameter, and the configuration parameter is provided when initial, and in the form of configuration file
Stored.Then execution step S202, according to configuration parameter initialization video connection, the video in configuration parameter are performed
The device address of facility information performs initialization video connection, then execution step S203, judge whether at least one passage/
Equipment is successfully connected, the device address of the multiple video equipments arranged in correspondence configuration parameter, if having regarding for successful connection
Frequency equipment, execution step S204 if having, if execution step S202 without if.Execution step S204, reads/parsing video flowing, root
According to the video equipment being successfully connected, the video flowing of the direct access video equipment simultaneously carries out parsing to the video flowing and is formed with the time
The image of frame sequence.Then execution step S205, judges to upload whether clock arrives, if then execution step S206, if otherwise
Execution step S204.The upload clock is the corresponding clock of upload frequencies in image parameter information.Execution step S206, protects
Deposit/upload image, by should clock picture frame intercept warp knit code process after preserved in the form of images, then
Etc. to be uploaded.Then execution step S207, connection bank end server, upload image and check configuration file, with bank end server
After establishing satellite communication connection, the image of preservation is sent to bank end server by satellite communication, and check the bank end clothes
Whether there is new configuration file in business device.The new configuration file includes new input configuration file and new output configuration text
Part.Then execution step S211, determines whether new input configuration file, and the new input configuration file refers to new video
Facility information, if then execution step S212, if otherwise execution step S213 and step S214.Execution step S212, downloads/solution
Close configuration file, and the configuration file is replaced into former configuration file, then execution step S201, from new configuration parameter is obtained.Hold
Row step S213, determines whether passage initialization failure or disconnecting, if then execution step S202, if otherwise performing step
Rapid S204.Execution step S214, determines whether new output profiles, and the new output profiles refer to new image
Parameter information, if then execution step S215, if otherwise execution step S213.Execution step S215, downloads/decryption configuration text
Part, and the configuration file is replaced into former configuration file.Then execution step S224.Upon start, configuration parameter is if desired updated,
Then execution step S221, updates configuration parameter, i.e., update configuration parameter manually at ship end, then execution step S222, judges
Whether |input paramete is changed, if then execution step S201, if otherwise execution step S223, the |input paramete refers to that video sets
Standby information, execution step S223 judges whether output parameter is changed, if then execution step S224, if otherwise execution step
S221.The output parameter is image parameter information, and execution step S224 resets output parameter.
Ship-to-shore video snap-shot Transmission system of the present invention and transmission method have the beneficial effect that：
For bank end subscriber provide it is a kind of with low bandwidth, low expense by way of picture watches ship end video pictures,
Replace video streaming using video snap-shot transmission, Internet resources and communication fee can be saved.
The image of transmission is stored to bank end server with graphic form, can be browsed by many people, with video streaming phase
Than the expense for saving memory space.
The sharing mode of ship-to-shore Parameter File, can solve control of the bank end personnel to expectation target, be that bank end personnel carry
The function and chance for updating modification is supplied.
The present invention is described in detail above in association with accompanying drawing embodiment, those skilled in the art can be according to upper
State and bright many variations example is made to the present invention.Thus, some of embodiment details should not constitute limitation of the invention, this
Invention is by the scope defined using appended claims as protection scope of the present invention.
Claims (10)
1. a kind of ship-to-shore video snap-shot transmission method, it is characterised in that comprise the steps：
Offer needs the video flowing that onshore end is transmitted；
Corresponding picture frame in the video flowing is intercepted according to acquisition instructions；
Institute's truncated picture frame according to setup parameter is carried out into coded treatment and is preserved in the form of images；And
The image for being preserved is sent to into bank end by satellite communication, and will be right after the reception successful information for receiving bank end feedback
The image-erasing for having transmitted answered.
2. ship-to-shore video snap-shot transmission method as claimed in claim 1, it is characterised in that according to acquisition instructions intercept described in regard
The production method of the acquisition instructions in frequency stream in corresponding picture frame includes：
Acquisition instructions are produced according to the time interval of setting；And/or
Acquisition instructions are produced according to the input operation at ship end.
3. ship-to-shore video snap-shot transmission method as claimed in claim 1 or 2, it is characterised in that also include：
During preserved image is transmitted by satellite communication, if there is communication disruption, by the transmission state of image
Preserved, after connection to be communicated, the transmission state of reading and saving, and the non-transmitting portion of image is continued to transmit to realize breaking
Point is resumed.
4. ship-to-shore video snap-shot transmission method as claimed in claim 1, it is characterised in that offer needs what onshore end transmitted to regard
Frequency flows, including：
The configuration parameter in configuration file is read, the configuration parameter includes video equipment information and image output information；
Device address in the video equipment information for reading carries out initializing video connection, to obtain corresponding video
The video flowing of equipment.
5. ship-to-shore video snap-shot transmission method as claimed in claim 4, it is characterised in that also include in the configuration file
Configuration parameter is updated operation, including：
New video equipment information and new image output information are manually entered in ship end and replace regarding in former configuration file
Frequency facility information and image output information；And/or
New configuration file being formed in bank end and being stored in bank end server, the image for being preserved is being transmitted by satellite communication
During to bank end, the new configuration file in the server of the bank end is read, and former configuration file is updated according to new configuration file.
6. a kind of ship-to-shore video snap-shot Transmission system, it is characterised in that include：
Video snap-shot unit, is connected with the video equipment at ship end, for obtaining the video flowing of the video equipment at ship end, and cuts
Take corresponding picture frame in the video flowing；
Memory element, is connected with the video snap-shot unit, intercepts for storing the video snap-shot unit in the form of images
Picture frame；
Transmitting element, is connected with the memory element, and the image for will preserve in the memory element is passed by satellite communication
Deliver to bank end；
Receiving unit, for receiving the reception successful information of bank end feedback；And
Processing unit, with the control of the video snap-shot unit, the memory element, the transmitting element and the receiving unit
Connection；
Wherein：The processing unit forms acquisition instructions and is sent to the video snap-shot unit, to make the video snap-shot unit
Corresponding picture frame in the video flowing is intercepted according to the acquisition instructions, and institute's truncated picture frame is entered according to setup parameter
Row coded treatment, and then the picture frame of encoded process is stored in the form of images in the memory element；
When setting up satellite communication with bank end and being connected, formation sends instructions to the transmitting element to the processing unit, to make
State transmitting element to read the image that preserves in the memory element and be sent to bank end by satellite communication；
The processing unit is additionally operable to the storage after the receiving unit receives the reception successful information of bank end feedback
The corresponding image-erasing for having transmitted in unit.
7. ship-to-shore video snap-shot Transmission system as claimed in claim 6, it is characterised in that the processing unit includes timer
And trigger button；
The timer sends trigger to make the processing unit shape according to the time interval of setting to the processing unit
Into acquisition instructions；And/or
The trigger button sends trigger to make the process single according to the input operation at ship end to the processing unit
Unit forms acquisition instructions.
8. ship-to-shore video snap-shot Transmission system as claimed in claims 6 or 7, it is characterised in that the transmitting element is additionally operable to
When there is communication disruption during preserved image is transmitted by satellite communication, the transmission state of image is stored in into institute
In stating memory element, after connection to be communicated, the transmission state that preserves in the memory element is read and by the non-sending part of image
Divide and continue to transmit to realize breakpoint transmission.
9. ship-to-shore video snap-shot Transmission system as claimed in claim 6, it is characterised in that also include and the memory element connects
The parameter set unit for connecing, the parameter set unit is used to arrange configuration parameter and be stored in the form of configuration file described
In memory element, the configuration parameter includes video equipment information and image output information；
The processing unit operationally reads the configuration file in the memory element, and by matching somebody with somebody in the configuration file of acquisition
Put parameter and be sent to video snap-shot unit, to make device address of the video snap-shot unit in the video equipment information
Carry out initializing video connection.
10. ship-to-shore video snap-shot Transmission system as claimed in claim 9, it is characterised in that set in the parameter set unit
There is the parameter update module being connected with the processing unit；
The processing unit is used for the new video equipment information for being manually entered at the ship end for receiving and new image output
Information is sent to the parameter update module, and the parameter update module is by the new video equipment information for receiving and new figure
The video equipment information and image output information in former configuration file is replaced as output information；And/or
The processing unit is used to for the new configuration file from bank end server that the receiving unit is received to be sent to institute
Parameter update module is stated, the parameter update module updates former configuration file according to new configuration file.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611244171.4A CN106603553A (en) | 2016-12-29 | 2016-12-29 | Boat-coast video snapshot transmission system and transmission method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611244171.4A CN106603553A (en) | 2016-12-29 | 2016-12-29 | Boat-coast video snapshot transmission system and transmission method |
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| CN201611244171.4A Pending CN106603553A (en) | 2016-12-29 | 2016-12-29 | Boat-coast video snapshot transmission system and transmission method |
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