CN108989605A - A kind of image capturing and transmitting system and method - Google Patents
A kind of image capturing and transmitting system and method Download PDFInfo
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- CN108989605A CN108989605A CN201810841257.8A CN201810841257A CN108989605A CN 108989605 A CN108989605 A CN 108989605A CN 201810841257 A CN201810841257 A CN 201810841257A CN 108989605 A CN108989605 A CN 108989605A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
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Abstract
The invention discloses a kind of image capturing and transmitting system and methods, the system includes client computer, industrial personal computer, trigger and Duo Tai camera, client computer is connect with industrial personal computer and trigger, trigger is connected with every camera, industrial personal computer is connect with camera, client computer, which is used to send acquisition instructions to industrial personal computer, the reception state to be collected such as enters to control industrial personal computer, client computer is also used to send shooting instruction to trigger and sends shooting control signal to every camera with control trigger, every camera shoots image according to shooting control signal, every camera starts after shooting image, industrial personal computer is used to acquire the image of every camera of storage, wherein, after client computer sends the preset time of acquisition instructions to industrial personal computer, client computer sends shooting instruction to trigger again.Image capturing and transmitting system and method for the invention, even if also can still guarantee synchronous acquisition and the transmission of camera image in the case where the state of more industrial personal computers is inconsistent, guarantee the integrality of data.
Description
Technical field
The present invention relates to Image Acquisition and transmission technique fields, in particular to a kind of image capturing and transmitting system
And method.
Background technique
Currently, traditional vibration pickup (measurement) is all that the vibratory response of vibrating object is obtained using sensor, sensing
Device has to adhere on object, and additional mass can bring error, especially light flexible structure to measurement, and some occasions are by existing
Environmental restrictions, can not carry out installation fixation, and therefore, photogrammetric technology is studied extensively, become emerging contactless
Vibration measurement method is with a wide range of applications.
In order to realize the vibration measurement of object, is generally required in particular for large sized object and complete big visual field shooting, needed
Multiple cameras are wanted to carry out the synchronous acquisition of image, and the state moment of each measurement part is changing, and needs to guarantee not
It is timely and effectively transmitted while interruption acquisition.In terms of storing image, it is necessary to assure the image that every camera is clapped
It can be synchronized in timing, convenient for the image analysis in later period to obtain accurate vibratory response.
In the prior art, in terms of image taking, the shooting of camera is mostly to be shot using the included software of camera
Storage, software trigger the state consistency that not can guarantee each camera status, cannot achieve precise synchronization.In terms of storing image,
Mostly at present is to clap the form taken to be stored, this makes when there is an industrial personal computer situation occur, and not only this machine is not
Next picture transfer can be smoothly completed, also results in the server of other all industrial personal computers in the image obtained later
It is failed due to the asynchronous of image temporal.
Therefore, the picture synchronization collection for how realizing polyphaser and effectively transmission, become those skilled in the art and need to solve
Certainly the technical issues of.
Summary of the invention
In consideration of it, the invention proposes a kind of image capturing and transmitting system and methods, the image to realize polyphaser is same
Step acquisition and effectively transmission, at least one.
On the one hand, the invention proposes a kind of image capturing and transmitting system, including client computer, industrial personal computer, trigger and
More cameras, the client computer are connect with the industrial personal computer and the trigger, and the trigger is connected with camera described in every,
The industrial personal computer is connect with the camera, and the client computer is used to send acquisition instructions to the industrial personal computer to control the industry control
Machine such as enters at the reception state to be collected, and the client computer is also used to send shooting instruction to the trigger to control the triggering
Device sends shooting control signal to every camera, and every camera shoots image, every phase according to shooting control signal
Machine starts after shooting image, and the industrial personal computer is used to acquire the image for storing every camera, wherein the client computer is to institute
After stating the preset time that industrial personal computer sends acquisition instructions, the client computer sends shooting instruction to the trigger again.
Above-mentioned image capturing and transmitting system, it is preferred that the shooting control signal is hard pulse signal.
Above-mentioned image capturing and transmitting system, it is preferred that every camera includes cache module, the cache module
For keeping in the image of camera shooting, it is provided with caching shared region between every camera industrial personal computer connected to it,
Hard disk shared region is provided between the industrial personal computer and client computer.
Above-mentioned image capturing and transmitting system, it is preferred that the industrial personal computer includes server end, the server end packet
Server interface and data processing module are included, server interface is for controlling the image acquisition process of camera and the parameter of camera
Setting, data processing module are used to handle the image collected from camera.
Above-mentioned image capturing and transmitting system, it is preferred that the preset time is 2-8 seconds.
On the other hand, the invention also provides a kind of image capturing and transmitting method, for client computer, industrial personal computer,
The image capturing and transmitting system of trigger and Duo Tai camera, client computer are connect with industrial personal computer and trigger, trigger with every
Camera is connected, and industrial personal computer is connect with camera, comprising the following steps:
S10: acquisition instructions are sent to industrial personal computer by client computer, industrial personal computer is made the reception state to be collected such as to enter；
S20: shooting instruction is sent to trigger by client computer, trigger is sent out after receiving shooting instruction to every camera
Send shooting control signal, wherein after client computer sends the preset time of acquisition instructions to industrial personal computer, client computer is sent out to trigger again
Send shooting instruction；
S30: every camera starts to shoot image, and industrial personal computer starts acquisition storage image.
Above-mentioned image capturing and transmitting method, it is preferred that in step S20, the shooting control signal is pulsus durus punching
Signal；Or, the preset time is 2-8 seconds.
Above-mentioned image capturing and transmitting method, it is preferred that in step S20, camera shooting is kept in by cache module
Image, and between camera industrial personal computer connected to it and between industrial personal computer and client computer be arranged hard disk shared region.
Above-mentioned image capturing and transmitting method, it is preferred that in the server end of industrial personal computer, pass through server interface control
The image acquisition process of camera processed and the parameter setting of camera handle the figure collected from camera by data processing module
Picture.
Above-mentioned image capturing and transmitting method, it is preferred that further comprise the steps of:
S40: according to the request of client computer, parameter and command information of the industrial personal computer to client transmission image and camera；Its
In, S40 includes the following steps:
S41: the parameter and command information of image to be transmitted and camera are divided into the parameter and order for being used for transmission camera
The text data of information and the binary data for being used for transmission image；
S20: text data is divided into several text data packets, binary data is divided into several binary numbers
According to packet；
S30: text data packet is divided into several text data units, each text data unit includes flag data
And valid data；Binary data packets are divided into several binary data units, binary data units also include mark
Data and valid data；Wherein, flag data is the boundary information mark of data packet and/or data cell.
Image capturing and transmitting system and method for the invention, after client computer sends acquisition instructions to industrial personal computer, industry control
Machine such as enters at the reception state to be collected, so as to missing image caused by avoiding more industrial personal computer states inconsistent.Then,
Shooting instruction is sent to trigger by client computer, trigger is can control to every camera and sends shooting control signal, every
Camera according to shooting control signal shoot image, due to client computer to industrial personal computer send acquisition instructions preset time after, client
Machine sends shooting instruction to trigger again, i.e., after all industrial personal computers have all worked normally, client computer is sent out to trigger again
Shooting instruction is sent, instruction trigger issues shooting control signal (specifically can be pulse signal) to trigger more camera acquisition figures
As (vibrational image of such as vibrating object), at this time since all cameras are synchronized triggering, can be in more camera shapes
Under condition unanimous circumstances, it is ensured that the synchronous acquisition of image guarantees the synchronism of Image Acquisition.
In further embodiment, due to keeping in the image of camera shooting by cache module, i.e., camera is in acquisition image
While can by image temporary cache, even if different industrial personal computers state difference in the case where (if any one or several industry controls
The operating status of machine is very slow) the extraction image that cannot synchronize, it can also guarantee the integrality of image due to there is caching, it is final to scheme
As image information is reached client computer by industrial personal computer.Meanwhile even if since industrial personal computer self reason can not extract image in time, figure
As can also be temporarily stored into camera until industrial personal computer extraction finishes, guarantee shoots the uniformity of image and is transferred to industrial personal computer and hard disk
It is reliable orderly.In addition, be provided with caching shared region between camera industrial personal computer connected to it, industrial personal computer and client computer it
Between hard disk shared region is set, after industrial personal computer is connected to acquisition instructions, image can be stored in hard by image acquisition procedure first in industrial personal computer
Disk shared region, when client computer provides transmission instruction, and industrial personal computer is required to start to import the image of acquisition, industrial personal computer just passes through hard disk
Shared region constantly transmits image to client computer, and in the process, and industrial personal computer is not influenced always by image transmitting, continues
Progress picture acquisition.Therefore, because hard disk shared region is provided in industrial personal computer, so that the acquisition time of image shortens, and
It ensure that the integrality of image is independent of each other in addition, industrial personal computer can be worked together with client computer very well.
In further embodiment, when industrial personal computer is to the parameter and command information of client transmission image and camera, lead to
It crosses and text data packet is divided into several text data units, each text data unit includes flag data and significant figure
According to；Binary data packets are divided into several binary data units, binary data units also include flag data and have
Imitate data.Data boundary can be transmitted with sharpening, to transmit different significant figures by the way that different flag data informations is arranged
According to improve accuracy.Simultaneously as flag data is the boundary information mark of data packet and/or data cell, when there is number
When according to partial loss, it can be transmitted by the fast quick-recovery in specific boundary, to guarantee text to be transmitted and image data
Integrality and efficiency of transmission.
In short, image capturing and transmitting system and method for the invention, even if the state in more industrial personal computers is inconsistent
In the case of, it also can still guarantee synchronous acquisition and the transmission of camera image.
Detailed description of the invention
Attached drawing described herein is used merely to provide and of the invention is explained further, and constitutes a part being applied,
And it does not constitute a limitation of the invention.In the accompanying drawings:
Fig. 1 is a kind of logical framework figure for image capturing and transmitting system that the specific embodiment of the invention proposes；
Fig. 2 is a kind of hardware frame figure for image capturing and transmitting system that the specific embodiment of the invention proposes；
Fig. 3 is a kind of client computer of the logical framework figure for image capturing and transmitting system that the specific embodiment of the invention proposes
With server memory sharing structure chart；
Fig. 4 is a kind of schematic diagram for image capturing and transmitting method that the specific embodiment of the invention proposes；
Fig. 5 is a kind of transmission method schematic diagram for image capturing and transmitting method that the specific embodiment of the invention proposes；
Fig. 6 is that the byte of the transmission method in Fig. 5 forms figure.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
On the one hand, as shown in Figure 1-3, image capturing and transmitting system proposed by the present invention, is suitable for having more cameras
Image capturing system, such as the vision-based detection of vibrating object, which includes client computer 10, industrial personal computer 20, trigger 30 and more
Platform camera 40, client computer 10 are connect with industrial personal computer 20 and trigger 30, and trigger 30 is connected with every camera 40, industrial personal computer 20 with
Camera 40 connects, and specifically can be also possible to cameralink interface by data line, USB3.0, can also be gigabit
Network interface, as long as can be realized the transmission of image data, concrete mode is unlimited, when it is implemented, client computer 10 is used for industrial personal computer
To control the reception states to be collected such as the entrance of industrial personal computer 20, client computer 10 is also used to send to trigger 30 20 transmission acquisition instructions
Shooting instruction sends shooting control signal to every camera 40 with control trigger 30, and every camera 40 controls signal according to shooting
Image is shot, every camera 40 starts after shooting image, and industrial personal computer is used to acquire the image of every camera 40 of storage, wherein visitor
After family machine 10 sends the preset time of acquisition instructions to industrial personal computer 20, client computer 10 sends shooting instruction to trigger 30 again.It should
Image capturing and transmitting system, industrial personal computer 20 is connect with camera 40 can use various ways, and in Fig. 2, an industrial personal computer 20 connects
Two cameras 40 are connect, it is, of course, also possible to be that an industrial personal computer 20 connects all cameras 40 (as long as the storage etc. of industrial personal computer 20
Parameter is met the requirements), it is also possible to an industrial personal computer 20 and connects a camera, a preferably industrial personal computer 20 is connected as more cameras
40, after client computer 10 sends acquisition instructions to industrial personal computer 20, the reception states to be collected such as industrial personal computer 20 enters, so as to keep away
Exempt from more 20 states of industrial personal computer it is inconsistent caused by missing image.Then, in all industrial personal computers 20 to client feedback just
After thread signal, then pass through client computer 10 and send shooting instruction (such as pulse signal controls signal) to trigger 30, can control
Trigger 30 processed sends shooting control signal to every camera 40, and every camera 40 shoots image according to shooting control signal, by
After client computer 10 sends the preset time of acquisition instructions to industrial personal computer 20, client computer 10 sends shooting to trigger 30 again and refers to
It enables, it can after determining that all industrial personal computers 20 all can work normally, client computer 10 sends to trigger 30 clap again
Instruction is taken the photograph, instruction trigger 30 issues shooting control signal (specifically can be pulse signal) to trigger 40 acquisition figure of more cameras
As (vibrational image of such as vibrating object), at this time since all cameras 40 are synchronized triggering, can be in more cameras
Under 40 situation unanimous circumstances, it is ensured that the synchronous acquisition of image guarantees the synchronism of Image Acquisition.Preset time can basis
It needs to be configured, preferably 2-8 seconds, such as 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds etc., more preferably, preset time 2-5
Second, it can be specifically configured according to the performance of industrial personal computer 20.
It should be noted that sending shooting instruction to trigger 30 about client computer 10, can be installed in client computer 10
Trigger controls program, sends the arteries and veins of one or more rising edges or failing edge to trigger 30 by trigger control program
Punching, meanwhile, program can be controlled by trigger and the output frequency of different pulses is set, it is also an option that continuously exporting pulse
Or the number of setting output pulse.
Above-mentioned image capturing and transmitting system, it is preferred that shooting control signal is hard pulse signal.Believe since pulsus durus rushes
The power of number (number of pulses can be set) is high, the duration is short, so shooting instruction such as arteries and veins of the trigger 30 in client computer 10
It rushes under the excitation of signal and sends pulsus durus punching at most platform camera 40, more cameras 40 receive pulsus durus at the same time and rush later just acquisition figure
Picture, collection process at this time can more preferably guarantee synchronous acquisition image in the identical situation of more 40 states of camera.
Likewise it is preferred that, as shown in Figure 1, every camera 40 includes cache module 41, cache module 41 is for keeping in camera
The images of 40 shootings, are provided with caching shared region, industrial personal computer 20 and client between every industrial personal computer 20 connected to it of camera 40
Hard disk shared region 21 is provided between machine 10.Since camera 40 has cache module 41, i.e. camera 40 has caching function, camera
40 while acquiring image can by image temporary cache, even if different industrial personal computers 20 state difference in the case where (if any
The operating status of one or several industrial personal computer 20 is very slow) the extraction image that cannot synchronize, it can also be due to having a caching and guarantee figure
Image information is reached client computer 10 by industrial personal computer by the integrality of picture, final image.Meanwhile even if due to industrial personal computer 20 itself original
Because that can not extract image in time, image can be also temporarily stored into camera 40 until server extraction finishes, and guarantee shoots the equal of image
Even property and be transferred to industrial personal computer 20 and memory it is reliable orderly.In addition, as shown in figure 3, due in industrial personal computer 20 and client computer 10
Between create hard disk shared region 21, after industrial personal computer 20 is connected to acquisition instructions, in industrial personal computer 20 agent data program can first by
Image is stored in hard disk shared region 21, when client computer 10 provides transmission instruction, and industrial personal computer 20 is required to start to import the image of acquisition,
Industrial personal computer 20 just constantly transmits image to client computer 10 by hard disk shared region 21, and in the process, industrial personal computer 20 begins
It is not influenced eventually by image transmitting, the acquisition of the progress picture of continuation.Therefore, because being provided with hard disk shared region in industrial personal computer 20
21, so that the acquisition time of image shortens, and ensure that the integrality of image very well, in addition, industrial personal computer 20 and client computer 10 can
It works together, is independent of each other.
It should be noted that industrial personal computer 20 is existing with regard to that can be used by hard disk shared region 21 to the transmission image of client computer 10
Data Transport Protocol, such as ICP/IP protocol.Improved data transmission method can certainly be used.
In addition, above-mentioned image capturing and transmitting system, it is preferred that industrial personal computer 20 includes server end, server end packet
Include server interface and data processing module, server interface is used to controlling the image acquisition process and camera 40 of camera 40
Parameter setting, data processing module are used to handle the image collected from camera 40.It, can be with by being provided with server interface
It controlling the image acquisition process of camera 40 and the parameter of camera 40 is set, image acquisition process is controllable, and flexible setting for parameters,
Data processing module can be used to handle the image collected from camera 40, to transmit.
In short, image capturing and transmitting system through the invention, even if the state in more industrial personal computers 20 is inconsistent
In the case of, it also can still guarantee synchronous acquisition and the transmission of 40 image of camera.
On the other hand, as shown in figure 4, a kind of image capturing and transmitting method proposed by the present invention, is used to have client computer
10, the image capturing and transmitting system of industrial personal computer 20, trigger 30 and Duo Tai camera 40, refering to what is shown in Fig. 1, client computer 10 and work
Control machine 20 and trigger 30 connect, and trigger 30 is connected with every camera 40, and industrial personal computer 20 is connect with camera 40, including following step
It is rapid:
S10: acquisition instructions are sent to industrial personal computer 20 by client computer 10, make the reception shapes to be collected such as the entrance of industrial personal computer 20
State；
S20: shooting instruction is sent to trigger 30 by client computer 10, trigger 30 receives after shooting instruction to every
Camera 40 sends shooting control signal, wherein after client computer 10 sends the preset time of acquisition instructions to industrial personal computer 20, client computer
10 send shooting instruction to trigger 30 again；
S30: every camera 40 starts to shoot image, and industrial personal computer 20 starts acquisition storage image.
The image capturing and transmitting method, by step S10, after client computer 10 sends acquisition instructions to industrial personal computer 20,
Industrial personal computer 20 such as enters at the reception state to be collected, loses so as to image caused by avoiding more 20 states of industrial personal computer inconsistent
It loses.Then, by step S20, client computer 10 sends shooting instruction (such as pulse signal controls signal) to trigger 30, can be with
Control trigger 30 sends shooting control signal to every camera 40, and every camera 40 shoots image according to shooting control signal,
Due to client computer 10 to industrial personal computer 20 send acquisition instructions preset time after, client computer 10 again to trigger 30 send shooting refers to
It enables, i.e., after all industrial personal computers 20 all can work normally, client computer 10 sends shooting instruction to trigger 30 again, refers to
Show that trigger 30 issues shooting control signal (specifically can be pulse signal) to trigger more cameras 40 and acquire image (as vibrated
The vibrational image of object), at this time since all cameras 40 are synchronized triggering, can be in more 40 situations one of camera
In the case where cause, it is ensured that the synchronous acquisition of image guarantees the synchronism of Image Acquisition.Preset time can according to need progress
Setting, preferably 2-8 seconds, such as 3 seconds, 4 seconds, 5 seconds, 6 seconds, 7 seconds etc., more preferably, preset time was 2-5 seconds, specifically might be used
To be configured according to the performance of industrial personal computer 20.
Above-mentioned image capturing and transmitting method, it is preferred that in step S20, shooting control signal is hard pulse signal.
Since the power of hard pulse signal (number of pulses can be set) is high, the duration is short, so trigger 30 is in client computer 10
Pulsus durus punching at most platform camera 40 is sent under the excitation of shooting instruction such as pulse signal, more cameras 40 receive pulsus durus punching at the same time
Image is just acquired later, and collection process at this time can more preferably guarantee synchronous acquisition figure in the identical situation of more 40 states of camera
Picture.
Likewise it is preferred that, in step S20, the image of the shooting of camera 40 is kept in by cache module 41, and in camera 40
Hard disk shared region 21 is set between industrial personal computer 20 connected to it and between industrial personal computer 20 and client computer 10.Due to passing through caching
Module 41 keeps in the image of the shooting of camera 40, i.e. camera 40 can be by image temporary cache, even if different while acquiring image
Industrial personal computer 20 in the case where state difference (very slow if any the operating status of one or several industrial personal computer 20) cannot synchronize
Image is extracted, can also be due to there is the integrality for caching and guaranteeing image, image information is reached visitor by industrial personal computer by final image
Family machine 10.Meanwhile even if image can be also temporarily stored into camera 40 directly since 20 self reason of industrial personal computer can not extract image in time
Finished to server extraction, guarantee the uniformity of shooting image and be transferred to industrial personal computer 20 and memory it is reliable orderly.In addition,
Shared region is cached between the industrial personal computer 20 connected to it of camera 40, hard disk shared region is set between industrial personal computer 20 and client computer 10
21, after industrial personal computer 20 is connected to acquisition instructions, image can be stored in hard disk shared region 21 first by agent data program in industrial personal computer 20,
When client computer 10 provides transmission instruction, and industrial personal computer 20 is required to start to import the image of acquisition, industrial personal computer 20 is just shared by hard disk
Image is constantly transmitted to client computer 10 in area 21, and in the process, industrial personal computer 20 is not influenced always by image transmitting, after
The acquisition of continuous progress picture.Therefore, because hard disk shared region 21 is provided in industrial personal computer 20, so that the acquisition time of image contracts
It is short, and ensure that the integrality of image is independent of each other in addition, industrial personal computer 20 can be worked together with client computer 10 very well.
Above-mentioned image capturing and transmitting method controls phase by server interface in the server end of industrial personal computer 20
The image acquisition process of machine 40 and the parameter setting of camera 40 are collected by data processing module processing from camera 40
Image.In this method, the image acquisition process of camera 40 can control by setting server interface and camera 40 is set
Parameter, image acquisition process is controllable, and flexible setting for parameters, can be used to handle from camera 40 to acquire by data processing module
And the image come, to transmit.
Likewise it is preferred that, as shown in figure 5, this is further comprised the steps of:
S40: according to the request of client computer 10, industrial personal computer 20 transmits the parameter and order of image and camera 40 to client computer 10
Information；Wherein, S40 includes the following steps:
S41: the parameter and command information of image to be transmitted and camera 40 are divided into be used for transmission camera 40 parameter and
The text data of command information and the binary data for being used for transmission image；
By the step, data to be transmitted can be divided, classification transmission reduces loss of data and loss of data
Recovery afterwards.
S20: text data is divided into several text data packets, binary data is divided into several binary numbers
According to packet；
In the step, further text file and binary data are divided, constitute the key link of data transmission.
The structure of data packet is as shown in table 1 comprising text data packet and binary data packets, text data packet include unit title again
With m text data unit, binary data packets include unit title and n binary data units again.M and n is integer, and
M may be the same or different with n.
1 data packet composed structure table of table
S30: text data packet is divided into several text data units, each text data unit includes flag data
And valid data；Binary data packets are divided into several binary data units, binary data units also include mark
Data and valid data；Wherein, flag data is the boundary information mark of data packet and/or data cell.
In the step, by the way that text data packet is divided into several text data units, each text data unit packet
Include flag data and valid data；Binary data packets are divided into several binary data units, binary data units
It also include flag data and valid data.Data boundary can be transmitted with sharpening, thus by the way that different conventional number is arranged it is believed that
Breath, transmits different valid data, to improve accuracy.Simultaneously as flag data is the side of data packet and/or data cell
Boundary's Information sign can be transmitted, to guarantee to be transmitted when there is data portion loss by the fast quick-recovery in specific boundary
Text and image data integrality and efficiency of transmission.
It should be noted that it is succinct for file, in addition to being expressly recited as text data packet or binary number in file
Outer according to packet, the data packet individually occurred includes text data packet and binary data packets；Similarly, in file in addition to be expressly recited for
Outside text data unit or binary data units, the data cell individually occurred includes text data unit or binary data
Unit.
The differentiation of text data unit and binary data units can in several ways, specifically, referring to Fig. 6 under
Shown in table 2, text data unit and binary data units and their start stop bit by flag data second and third
Position distinguishes, such as: when on the position Start1 data be 0 and the position Start2 on be also 0 when represent this byte as text data
The mark of position.When data are 0 on the position End1 and when data on the position End2 are 1, represents this byte as the mark of text data stop bit
Will.When data are 1 on the position Start1 and while being 0 on the position Start2, represents the mark that this byte plays as binary data position.When
On the position End1 data be 1 and the position End2 on data represent this byte as the mark of binary data stop bit when being also 1.It can manage
Solution, can also do the definition of more different modes as needed.
2 flag data classification chart of table
In short, image capturing and transmitting method through the invention, even if the state in more industrial personal computers 20 is inconsistent
In the case of, also can still guarantee synchronous acquisition and the transmission of 40 image of camera, advantageously ensure that text to be transmitted and
The integrality and efficiency of transmission of image data.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of image capturing and transmitting system, which is characterized in that including client computer (10), industrial personal computer (20), trigger (30)
With more cameras (40), the client computer (10) connect with the industrial personal computer (20) and the trigger (30), the trigger
(30) it is connected with camera described in every (40), the industrial personal computer (20) connect with the camera (40), and the client computer (10) is used
In to the industrial personal computer (20) send acquisition instructions with control the industrial personal computer (20) enter etc. reception state to be collected, the visitor
Family machine (10) is also used to send shooting instruction to the trigger (30) to control the trigger (30) to every camera (40)
Shooting control signal is sent, every camera (40) shoots image according to shooting control signal, and every camera (40) is opened
Begin after shooting image, the industrial personal computer is used to acquire the image of every camera (40) of storage, wherein the client computer (10)
After the preset time for sending acquisition instructions to the industrial personal computer (20), the client computer (10) sends to the trigger (30) again
Shooting instruction.
2. image capturing and transmitting system according to claim 1, which is characterized in that the shooting control signal is pulsus durus
Rush signal.
3. image capturing and transmitting system according to claim 2, which is characterized in that every camera (40) includes slow
Storing module (41), the cache module (41) are used to keep in the image of the camera (40) shooting, every camera (40) with
It is provided with caching shared region between its industrial personal computer (20) connected, is provided between the industrial personal computer (20) and client computer (10) hard
Disk shared region (21).
4. image capturing and transmitting system according to claim 3, which is characterized in that the industrial personal computer (20) includes service
Device end, the server end include server interface and data processing module, and server interface is used to control the figure of camera (40)
As collection process and the parameter setting of camera (40), data processing module is used to handle the figure collected from camera (40)
Picture.
5. image capturing and transmitting system according to claim 1-4, which is characterized in that the preset time is
2-8 seconds.
6. a kind of image capturing and transmitting method, which is characterized in that for having client computer (10), industrial personal computer (20), trigger
(30) connect with the image capturing and transmitting system of more cameras (40), client computer (10) and industrial personal computer (20) and trigger (30)
It connects, trigger (30) is connected with every camera (40), and industrial personal computer (20) is connect with camera (40), comprising the following steps:
S10: acquisition instructions are sent to industrial personal computer (20) by client computer (10), make the reception shapes to be collected such as industrial personal computer (20) entrance
State；
S20: shooting instruction is sent to trigger (30) by client computer (10), trigger (30) receives after shooting instruction to every
Platform camera (40) sends shooting control signal, wherein client computer (10) sends the preset time of acquisition instructions to industrial personal computer (20)
Afterwards, client computer (10) sends shooting instruction to trigger (30) again；
S30: every camera (40) starts to shoot image, and industrial personal computer (20) starts acquisition storage image.
7. image capturing and transmitting method according to claim 6, which is characterized in that in step S20, the shooting control
Signal processed is hard pulse signal；Or, the preset time is 2-8 seconds.
8. image capturing and transmitting method according to claim 7, which is characterized in that in step S20, by caching mould
Block (41) keeps in the image of camera (40) shooting, and setting caching is shared between camera (40) industrial personal computer connected to it (20)
Hard disk shared region (21) are arranged between industrial personal computer (20) and client computer (10) in area.
9. image capturing and transmitting method according to claim 8, which is characterized in that the server end in industrial personal computer (20)
In, through the image acquisition process of server interface control camera (40) and the parameter setting of camera (40), at data
The image that reason resume module is collected from camera (40).
10. image capturing and transmitting method according to claim 9, which is characterized in that further comprise the steps of:
S40: according to the request of client computer (10), industrial personal computer (20) to client computer (10) transmit image and camera (40) parameter and
Command information；Wherein, S40 includes the following steps:
S41: the parameter and command information of image to be transmitted and camera (40) are divided into be used for transmission camera (40) parameter and
The text data of command information and the binary data for being used for transmission image；
S20: text data is divided into several text data packets, binary data is divided into several binary data
Packet；
S30: text data packet is divided into several text data units, each text data unit includes flag data and has
Imitate data；Binary data packets are divided into several binary data units, binary data units also include flag data
And valid data；Wherein, flag data is the boundary information mark of data packet and/or data cell.
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