CN104902224B - The method and system of image data acquiring - Google Patents
The method and system of image data acquiring Download PDFInfo
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- CN104902224B CN104902224B CN201510217638.5A CN201510217638A CN104902224B CN 104902224 B CN104902224 B CN 104902224B CN 201510217638 A CN201510217638 A CN 201510217638A CN 104902224 B CN104902224 B CN 104902224B
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Abstract
The invention provides a kind of method and system of image data acquiring, wherein, the method for image data acquiring includes：Choose the image data acquiring module matched with the detected material of view data to be collected；Control the view data of image data collecting module collected detected material；The view data collected is sent into corresponding processing unit to be handled；Choosing the image data acquiring module matched with the detected material of pending image data acquiring includes：If image data acquiring module is single, the image data acquiring module position matched with detected material is chosen；If image data acquiring module is multiple, the image data acquiring module number matched with detected material, position and frequency dividing triggering mode are chosen.Technical scheme can choose the image data acquiring module collection view data to match with detected material property, correct reflection detected material property, effectively reduce the view data and the unmatched situation of detected material property of the collection of image data acquiring module.
Description
Technical field
The present invention relates to intelligent testing technology field, more specifically, be related to a kind of method of image data acquiring and
System.
Background technology
Image data acquiring is a kind of view data by gathering detected material and analyzed, to detect detected material
The intelligent testing technology of body.In correlation technique, view data typically is carried out to detected material using image data acquiring module and adopted
Collection, then it is sent directly to corresponding processing unit and is analyzed, differentiated and show etc. that processing operates.
But in above-mentioned technology, the image data acquiring module acquired image data possibility used can not be correct
The property of the collected thing of reflection, the speed of service such as detected material is higher, and the frame frequency of image data acquiring module is relatively low, is formed
View data can not reflect the running situation of detected material well；And the speed of service is relatively low, image data acquiring module
Frame frequency is higher, can cause to waste one's talent on a petty job, and increases cost.And for example：, may due to the limitation of image data acquiring module present position
Blind area between detected material be present.
In summary, the view data of image data acquiring module collection how is caused correctly to reflect detected material
Property turns into current those skilled in the art technical problem urgently to be resolved hurrily.
The content of the invention
It is an object of the invention to provide a kind of technical scheme of image data acquiring, to solve described in background technology
The view data that image data acquiring module gathers and the unmatched problem of detected material can not be effectively prevented in the prior art.
In order to solve the above-mentioned technical problem, the present invention provides following technical scheme：
With reference to first aspect of the present invention it is proposed a kind of method of image data acquiring, including：
Choose the image data acquiring module to match with the detected material property of pending image data acquiring；
Described image data acquisition module is controlled to carry out image data acquiring to the detected material；
The view data collected is sent into corresponding processing unit to be handled；Wherein,
The image data acquiring module that the detected material property of the selection and pending image data acquiring matches, bag
Include：
When described image data acquisition module is single, the view data to match with the detected material property is chosen
Acquisition module position；Or,
When described image data acquisition module is multiple, the view data to match with the detected material property is chosen
Acquisition module quantity, position and frequency dividing triggering mode.
With reference in a first aspect, in the first possible implementation of first aspect, the selection is detected with described
The frequency dividing triggering mode that physical property matter matches includes：Choose the frequency dividing triggering side to match with the speed of service of the detected material
Formula.
With reference to the first possible implementation of first aspect, in second of possible embodiment of first aspect
In, multiple described image data acquisition modules arrange perpendicular to the traffic direction linear array of the detected material.
With reference in a first aspect, the first of first aspect or second of possible implementation, in the third of first aspect
In possible implementation, the frequency dividing triggering mode includes：In same period of image data acquisition, each described image number
According to acquisition module according to different collection sequential interleaved acquisition described image data.
With reference to the third possible implementation of first aspect, in the 4th kind of possible implementation of first aspect
In, it is described that the view data collected is sent to before corresponding processing unit handled, in addition to：Splicing it is described according to
The described image data of different collection sequential interleaved acquisitions, the frame frequency of described image data and the detected physical property after splicing
Matter matches.
With reference to the third possible implementation of first aspect, in the 5th kind of possible implementation of first aspect
In, it is described that the view data collected is sent to before corresponding processing unit handled, in addition to：According to predetermined condition
Described image data are screened, the predetermined condition includes the error range and/or figure of detection temperature, view data and pre-set image
Image sharpness.
With reference to the third possible implementation of first aspect, in the 6th kind of possible implementation of first aspect
In, after each described image data acquisition module is according to different collection sequential interleaved acquisition described image data, in addition to：
Store the view data of each image data acquiring module interleaved acquisition successively according to collection sequential；When the figure of storage
When reaching predetermined number as the number of data, described image data are sent in sequence to corresponding processing unit and handled.
With reference in a first aspect, in the 7th kind of possible implementation of first aspect, multiple described image data acquisitions
Module has common imaging region, and the imaging region covering carries out the to be detected of image data acquiring to the detected material
Region.
With reference in a first aspect, in the 8th kind of possible implementation of first aspect, multiple described image data acquisitions
Module has different imaging regions, and the imaging region composition and/or covering carry out view data to the detected material and adopted
The region to be detected of collection.
Second aspect, this application provides a kind of image data collection system, including：Image data acquiring module, is provided with
At least one image data acquiring module；The image data acquiring control device being connected with described image data acquisition module, institute
State acquisition module Chooser that image data acquiring control device includes being connected with described image data acquisition module, adopt with described
The connected acquisition controller of collection module Chooser and the view data transmitter being connected with the acquisition controller；Wherein, institute
State acquisition module Chooser be used for choose adopted with the view data that the detected material property of pending image data acquiring matches
Collect module；The acquisition controller is also connected with described image data acquisition module, for controlling the acquisition module Chooser
The image data acquiring module of selection carries out image data acquiring to the detected material；Described image data collecting system is also wrapped
Include universal external interface, for external processing unit, described image data transmitter also by data/address bus with it is described general outer
Connection interface is connected；The acquisition module Chooser includes quantity and chooses module, position selection module and frequency dividing triggering mode selection
Module.
With reference to second aspect, in the first possible implementation of second aspect, the frequency dividing triggering mode is chosen
The frequency dividing triggering mode that module is chosen includes：In same period of image data acquisition, each described image data acquisition module
According to different collection sequential interleaved acquisition described image data.
With reference to the first possible implementation of second aspect, in second of possible implementation of second aspect
In, described image data acquisition control device also includes：First preprocessor, it is arranged at the acquisition controller and described image
Between data transmitter, for splicing the view data according to different collection sequential interleaved acquisitions, the figure after splicing
As the frame frequency of data matches with the detected material property.
With reference to the first possible implementation of second aspect, in the third possible implementation of second aspect
In, described image data collecting system, in addition to：Second preprocessor, it is arranged at the acquisition controller and described image number
According between transmitter, for screening described image data according to predetermined condition, the predetermined condition includes detection temperature, with presetting
The error range and/or image definition of image.
With reference to the first possible implementation of second aspect, in the 4th kind of possible implementation of second aspect
In, described image data acquisition control device also includes：Memory, be connected with the acquisition controller, for according to collection when
Sequence stores the view data of each described image data collecting module collected successively；Trigger, it is arranged at the memory and institute
Between stating view data transmitter, when the number for the described image data when the memory storage reaches predetermined number,
Triggering described image data transmitter sends described image data and handled to corresponding processing unit successively.
With reference to second aspect, in the 5th kind of possible implementation of second aspect, described image data acquisition control
Device also includes：Detector, respectively with described image data acquisition module, the acquisition module Chooser, the acquisition control
Device and described image data transmitter are connected, for detecting the quantity of available described image data acquisition module, and it is described
The working condition of acquisition module Chooser, the acquisition controller and described image data transmitter.
With reference to second aspect, in the 6th kind of possible implementation of second aspect, described image data acquiring system
System also includes：Power supply, it is connected respectively with described image data acquisition module and described image data acquisition control device, uses
In providing supply voltage for described image data acquisition module and described image data acquisition control device.
It can be drawn by the above-mentioned course of work, the scheme of image data acquiring provided by the invention, pass through selection and institute
The image data acquiring module that the detected material property of image data acquiring matches is carried out, to carry out image to detected material
Data acquisition, can collect the view data to match with detected material property, and view data can correctly reflect tested
The property of thing is surveyed, so as to effectively prevent the view data collected and the unmatched phenomenon of detected material property.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, for those of ordinary skills, do not paying creative work
Property on the premise of, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is the flow chart of the method for the first image data acquiring shown in an exemplary embodiment of the invention；
Fig. 2 is the particular flow sheet of step S110 in flow chart shown in Fig. 1 shown in an of the invention exemplary embodiment；
Fig. 3 is the flow chart of the method for second of image data acquiring shown in an exemplary embodiment of the invention；
Fig. 4 is the flow chart of the method for the third image data acquiring shown in an exemplary embodiment of the invention；
Fig. 5 is the flow chart of the method for the 4th kind of image data acquiring shown in an exemplary embodiment of the invention；
Fig. 6 is a kind of Organization Chart of image data collection system shown in an exemplary embodiment of the invention；
Fig. 7 is the structure chart of the first image data collection system shown in an exemplary embodiment of the invention；
Fig. 8 is the structure chart of second of image data collection system shown in an exemplary embodiment of the invention；
Fig. 9 is the structure chart of the third image data collection system shown in an exemplary embodiment of the invention；
Figure 10 is the timing diagram of the image data collection system shown in Fig. 9；
Figure 11 is the structure chart of the 4th kind of image data collection system shown in an exemplary embodiment of the invention；
Figure 12 is the timing diagram of the image data collection system shown in Figure 11；
Figure 13 is the structure chart of the 5th kind of image data collection system shown in an exemplary embodiment of the invention；
Figure 14 is the structure chart of the 6th kind of image data collection system shown in an exemplary embodiment of the invention；
Figure 15 be shown in an of the invention exemplary embodiment the 7th in image data collection system structure chart；
Figure 16 is the timing diagram of the image data collection system shown in Figure 15.
Embodiment
The scheme of image data acquiring provided in an embodiment of the present invention, solves the view data described in background technology
Acquisition module acquired image data and the actual unmatched problem of detected material.
In order that those skilled in the art more fully understand the technical scheme in the embodiment of the present invention, and make of the invention real
Apply the above-mentioned purpose of example, feature and advantage can be more obvious understandable, below in conjunction with the accompanying drawings to the technology in the embodiment of the present invention
Scheme is described in further detail.
It should be noted that the order in the embodiment of this part is a kind of embodiment therein, according to actual feelings
Condition, to reach the purpose of final view data generation, following orders can make the appropriate adjustments, convert, the guarantor in the present invention
In the range of shield.
Accompanying drawing 1 is refer to, Fig. 1 is a kind of stream of the method for image data acquiring shown in an exemplary embodiment of the invention
Cheng Tu.As shown in figure 1, the method for image data acquiring provided in an embodiment of the present invention, comprises the following steps：
S110, choose the image data acquiring module to match with the detected material property of pending image data acquiring.
Detected material may have the properties such as speed, position and shape, therefore, need to carry out when detected material enters
The region to be detected of image data acquiring, or needs are instructed according to concrete operations when treating detected material collection view data,
The picture number to match with detected material property can be selected according to properties such as the speed of detected material, position and/or shapes
According to acquisition module.Wherein, described image data acquisition module can be the machine that camera etc. is capable of continuously shot images.
S120, control described image data acquisition module carry out image data acquiring to the detected material.
It is elected to after getting the image data acquiring module to match with detected material, control image data acquisition module is to quilt
Detectable substance carries out image data acquiring, can obtain the view data to match with detected material property.For example, can be according to quilt
The speed of service of detectable substance to adjust the acquisition angles and acquisition precision of image data acquiring module in real time, so that view data
Acquisition module acquired image data understand the running status for specifically reflecting detected material.Simultaneously because the picture number obtained
Match according to detected material property, therefore the view data can reflect the property of detected material strictly according to the facts.
S130, the view data collected is sent to corresponding processing unit and handled.
Image data acquiring module acquired image data there may be situations such as fuzzy view data, scalloping,
Therefore need to send image data to corresponding processing unit and handled.Processing unit can unite to view data simultaneously
The operations such as meter analysis, and/or view data is shown to specific operator.
The image data acquiring module that detected material by choosing and to be carried out image data acquiring matches is to quilt
Detectable substance carries out image data acquiring, can collect the view data to match with detected material, view data can be correct
Ground reflects the property of detected material, is mismatched so as to effectively reduce collected view data with detected material, causes to examine
Survey the inaccurate situation of result.
Wherein, Fig. 2 shows the concrete operations flow of step S110 in flow chart shown in Fig. 1, as shown in Fig. 2 the step
In S110, image data acquiring module that described selection matches with the detected material of pending image data acquiring, including：
S111, judge the quantity of image data acquiring module.
When gathering view data to detected material, in order that obtaining the property that view data reflects detected material strictly according to the facts, such as
Shape, position, speed of service etc., the quantity of the image data acquiring module to be selected generally require and detected material property phase
Matching, therefore the property of different detected materials is different, the quantity of selected image data acquiring module also tends to difference, accordingly
Ground, then need to judge the quantity of image data acquiring module；And in actual acquisition view data, it is also possible to part be present
Image data acquiring module can not use because occurring in long-term use before this damaging.Therefore for these reasons, it is necessary to
Judge the quantity of image data acquiring module, and need the quantity situation according to image data acquiring module, choose and be detected
The image data acquiring module that physical property matter matches.
S112, when described image data acquisition module is single, choose the view data matched with the detected material
Acquisition module position.
Wherein, the position of image data acquiring module includes vector position and acquisition angles spatially etc..Such as work as inspection
When the quantity for measuring image data acquiring module is single, then the image data acquiring mould to match with detected material can be chosen
The vector position of block, and then control image data acquisition module to be moved to the vector position, to gather picture number to detected material
According to；Or the optimal acquisition angle to match with detected material property is chosen, then control image data acquisition module rotation side
To gather view data.
S113, when described image data acquisition module is multiple, choose the view data matched with the detected material
Acquisition module quantity, position and frequency dividing triggering mode.
When image data acquiring module is multiple, multi-angle can be carried out to it according to the actual conditions of detected material,
Comprehensive real-time collection, while the frequency dividing triggering mode to match with detected material property can be chosen, to gather different frame
The view data of frequency.
According to the quantity situation of image data acquiring module, the image data acquiring to match with detected material property is chosen
The position of module；Or choose quantity, position and the frequency dividing of the image data acquiring module to match with detected material property and touch
Originating party formula, it can neatly be chosen and detected material property in the case where the quantity of image data acquiring module has limitation
The image data acquiring module to match gathers image, and acquired image data can truely and accurately reflect tested relatively
Survey the property of thing.The speed of service of detected material is often different, accordingly, in order to reflect the running situation of detected material strictly according to the facts,
In step S113 shown in Fig. 2, when the quantity of image data acquiring module is multiple, the selection and the detected physical property
The frequency dividing triggering mode that matter matches includes：Choose the frequency dividing triggering mode to match with the speed of service of the detected material.
By choosing the frequency dividing triggering mode to match with the speed of service of detected material, frame frequency can be obtained with being detected
The view data that matches of the speed of service, so as to faithfully reflect the running situation of detected material.
When detected material is run, in order that the view data that is collected of multiple image data acquiring modules with it is tested
The property for surveying thing matches, and such as matches with position relationship, accordingly, it is necessary to the above-mentioned multiple images data acquisition module of ordered arrangement
Block.It is therefore preferred that multiple described image data acquisition modules arrange perpendicular to the traffic direction linear array of the detected material.
Linear array arrangement is that multiple images data acquisition module is spaced same distance and is co-arranged on same between each other
A kind of arrangement mode on straight line.Above-mentioned multiple images data acquisition module arranges perpendicular to the traffic direction linear array of detected material
When, the air line distance error of each image data acquiring module and vehicle is smaller, while each image data acquiring of vehicle distances
The vertical line of straight line is apart from identical where module；Therefore when detected material is run, what each image data acquiring module was gathered
The position for the detected material that view data is reflected is roughly the same, can reflect the property of detected material strictly according to the facts.
Preferably, the frequency dividing triggering mode includes：In same period of image data acquisition, each described image data
Acquisition module is according to different collection sequential interleaved acquisition described image data.
By each image data acquiring module in same period of image data acquisition, handed over according to different collection sequential
, then, can be complementary between each view data collected in same period of image data acquisition for collection view data.Example
Such as, each period of image data acquisition of image data acquiring module is 6ms, wherein, trigger the high level of image data acquiring
Time for 2ms (as shoot a pictures shared by time), then within the 4ms of collection period low level off time,
Can be successively using other two image data acquiring modules collection view data, in this way, in same image data acquiring week
The quantity of the view data collected in phase is 3 times of single image data acquisition module, so as to improve view data
Acquisition precision.
Simultaneously can be by changing the dutycycle and/or different images data acquisition module of each image data acquiring module
Acquisition time section gather view data.
Such as：By taking the speed of service of detected material as an example, when the speed of service of detected material is higher, it is necessary to 180 frames/second
, can be in the collection week of each two field picture if the frame frequency of each image data acquiring module only has 45 frames/second during acquisition precision
In phase, using the image data acquiring module that 4 frame frequencies are 45 frames/second successively interleaved acquisition view data, reach 180 frames/second
Effect so that the frame frequency of view data and the detected material of fair speed match.
If the speed of service of detected material is relatively low, it is only necessary to the acquisition precision of 60 frames/second, but 2 frames altogether be present
Frequency is the image data acquiring module of 120 frames/second, then each two field picture that can change each image data acquiring module accounts for
Empty ratio so that the frame frequency of each image data acquiring module is changed into 30 frames/second, and in the collection period of each two field picture, leads to
Cross and carry out interleaved acquisition view data successively using the two image data acquiring modules for having changed dutycycle, produce 60 frames/
The collection effect of second, so that the frame frequency of the view data collected and the detected material of low speed match.
Fig. 3 is the flow chart for the method that an exemplary embodiment of the invention shows second of image data acquiring.Such as Fig. 3 institutes
Show, the method for the image data acquiring, in Fig. 1 shown step S130, the view data collected is sent to corresponding place
Before reason device is handled, in addition to step：S121, splice the described image number according to different collection sequential interleaved acquisitions
According to the frame frequency of described image data matches with the detected material property after splicing.
By splicing the view data according to different collection sequential institute interleaved acquisitions, by same period of image data acquisition
The view data that interior different sequential are collected, is stitched together, and can obtain the view data of different frame frequency, and can root
According to the property of detected material, spliced such as the speed of service, with the view data that obtains matching with detected material property
Frame frequency, so as to reflect the property of detected material exactly.
Fig. 4 shows the flow chart of the method for the third image data acquiring shown in an exemplary embodiment of the invention,
The method of image data acquiring shown in Fig. 4, shown step S130, sends image data to corresponding processing dress in Fig. 1
Put before being handled, in addition to step：
S122, according to predetermined condition screen described image data, the predetermined condition include detection temperature, view data with
The error range and/or image definition of pre-set image.
Requirement might not be complied fully with by image data acquiring module acquired image data, it is understood that there may be lost
Very, it is excessive and/or situations such as the definition of image is too low with the error range of predetermined view data.If for example, view data
Acquisition module uses the view data of infrared collection detected material；When the detection temperature of infrared ray is less than predetermined temperature, institute
The view data collected may be smudgy, at this point it is possible to acquired image data under this detection temperature are weeded out, so as to
Realize the appropriate screening to view data.
Fig. 5 is the flow chart of the method for the 4th kind of image data acquiring shown in an of the invention exemplary embodiment, such as Fig. 5
It is shown, after each described image data acquisition module is according to different collection sequential interleaved acquisition described image data, also wrap
Include step：
S210, store the view data of each image data acquiring module interleaved acquisition successively according to collection sequential；
S220, when the number of the view data of storage reaches predetermined number, view data is sent in sequence to accordingly
Processing unit is handled.
According to collection sequential storage image data successively, the acquisition order of view data can not be upset, objective
Reflect the properties such as the motion state of detected material；Simultaneously after the storage number of described image data reaches predetermined number, just send out
Corresponding processing unit is sent to, the effect of caching can be reached, to improve the processing speed of processing unit.It is meanwhile above-mentioned by figure
The step of processing unit being sent to as data, and it is sent in sequence to processing unit according to the collection sequential of view data.Its
In, store, i.e., stored successively according to the sequencing of different images data acquisition time successively according to collection sequential.
The imaging region of multiple images data acquisition module may not fixed, when use multiple images data acquisition module
When gathering view data, multiple described image data acquisition modules can have common imaging region, i.e., above-mentioned multiple images
The imaging region of data acquisition module, which has, to occur simultaneously, and the common imaging region covers region to be detected, can ensure more
Each image data acquiring module of individual image data acquiring module can collect view data.
Meanwhile if multiple images data acquisition module only has single imaging region, or only select single image number
According to acquisition module, the view data collected can not may comprehensively, specifically reflect the property of detected material；Such as
The limitation of position angle, when using single image data collecting module collected view data, it will be unable to collection or even if collection
It is too low to view data, or image definition, it is impossible to reflect the property of detected material.
Therefore, multiple described image data acquisition modules can also have different imaging regions, the different imaging
Region collectively constitutes and/or covered the region to be detected that image data acquiring is carried out to the detected material.
Multiple images data acquisition module has different imaging regions, so that the view data collected can be complete
Face, the property for specifically reflecting detected material, if multiple images data acquisition module has different imaging regions, difference imaging
The view data that region collects passes through follow-up splicing, you can reach comprehensively, multi-angle, specifically reflect detected material
Purpose so that detected material can be integral into picture.Wherein it is possible to adopted from different spaces vector position and/or difference
Collect the image data acquiring module of angle to gather the view data of detected material, so that image data acquiring module has difference
Imaging region.
Fig. 6 is a kind of Organization Chart of image data collection system shown in an exemplary embodiment of the invention, such as Fig. 6 institutes
Show, the image data collection system includes at least one image data acquiring module 1 and at least one image data acquiring controls
Device 2.Wherein, image data acquiring module 1 can be the first-class device for being capable of continuously shot images of shooting.Image data acquiring
Control device 2 controls image data acquisition module 1 to obtain the view data of detected material, and view data is transferred to accordingly
Processing unit 3, the processing unit 3 can be server, and respective handling is carried out by processing unit 3.
Fig. 7 shows the structure chart of the first image data collection system shown in an exemplary embodiment of the invention, such as
Shown in Fig. 7, the image data collection system, including：
Image data acquiring module 710, provided with least one image data acquiring module 701；Wherein, described image data
Acquisition module 701 can be the machine that camera etc. is capable of continuously shot images.
The image data acquiring control device 720 being connected with described image data acquisition module 701, described image data are adopted
Collection control device 720 includes the acquisition module Chooser 721 being connected with described image data acquisition module 701 and the collection
The connected acquisition controller 722 of module Chooser 721 and the view data transmitter being connected with the acquisition controller 722
723。
As shown in fig. 7, image data acquiring control device 720 needs and all figures in image data acquiring module 710
As data acquisition module 701 is respectively connected with；Accordingly, acquisition module Chooser 721 and acquisition controller 722 are also required to distinguish
It is connected with all image data acquiring modules 701 in image data acquiring module 710.
Wherein, the acquisition module Chooser 721 is used to choose the detected material property with pending image data acquiring
The image data acquiring module to match；The acquisition controller 722 is also connected with described image data acquisition module 701, uses
Picture number is carried out to the detected material in controlling the image data acquiring module 701 that the acquisition module Chooser 721 is chosen
According to collection；Described image data collecting system also includes universal external interface 729, for external processing unit, described image number
Also it is connected according to transmitter 723 by data/address bus with universal external interface 729.
Detected material may have the properties such as speed, position and shape, and therefore, this is detected when detected material enters
The region to be detected that thing carries out image data acquiring is surveyed, or needs to be treated in detection zone according to the instruction of concrete operations person
When detected material gathers view data, it can select and be detected according to properties such as the speed of detected material, position and/or shapes
Survey the image data acquiring module that thing matches.It is elected to get the image data acquiring module to match with detected material property
Afterwards, control image data acquisition module to carry out image data acquiring to detected material, can obtain and detected material property phase
The view data matched somebody with somebody, so as to correctly reflect the property of detected material.
As shown in fig. 7, the acquisition module Chooser 721 includes, quantity chooses module 7211, module 7212 is chosen in position
Module 7213 is chosen with frequency dividing triggering mode.Wherein, the position of image data acquiring module 701 includes vector position spatially
With acquisition angles etc..
When gathering view data to detected material, in order that obtaining the property that view data reflects detected material strictly according to the facts, such as
Shape, position, speed of service etc., the quantity of the image data acquiring module to be selected generally require and detected material property phase
Matching, therefore the property of different detected materials is different, the quantity of selected image data acquiring module is also different, correspondingly,
Need to judge the quantity of image data acquiring module, and in actual acquisition view data, there may be part image data to adopt
Collection module 701 occurs damaging and can not used in long-term use before this, therefore for these reasons, it is necessary to judge picture number
According to the quantity of acquisition module 701；And need to be limited according to the quantity of image data acquiring module 701, choose and detected physical property
The image data acquiring module that matter matches.
When described image data acquisition module 701 is single, it is necessary to choose the picture number matched with the detected material
According to acquisition module position.
When image data acquiring module 701 is multiple, it can be carried out according to the actual conditions of detected material polygonal
Degree, comprehensive real-time collection, while the frequency dividing triggering mode that matches with detected material property can be chosen to gather image
Data.
According to the quantity situation of image data acquiring module 701, the view data to match with detected material property is chosen
The position of acquisition module 701；Or quantity, position and frequency dividing triggering mode, can be in the quantity of image data acquiring module 701
In the case of with limitation, the image data acquiring module 701 that matches with detected material is neatly chosen to gather image, institute
The view data of collection can truely and accurately reflect the property of detected material relatively.
By choosing the image data acquiring module to match with to be carried out the detected material property of image data acquiring
701 pairs of detected materials carry out image data acquiring, can collect the view data to match with detected material property, effectively drop
The low view data collected mismatches with detected material property, causes the inaccurate situation of testing result.
Preferably, the frequency dividing triggering mode, which chooses the frequency dividing triggering mode that module 7213 is chosen, includes：In same image
In data collection cycle, each image data acquiring module is according to different collection sequential interleaved acquisition described image data.Its
In, above-mentioned each image data acquiring module is each image data acquiring module selected by quantity selection module.
By each image data acquiring module 701 in same period of image data acquisition, during according to different collections
Sequence interleaved acquisition view data so that in same period of image data acquisition, each view data gathered can be complementary.
For example, each period of image data acquisition of image data acquiring module 701 is 6ms, wherein, trigger the height of image data acquiring
The time of level be 2ms (as shoot a pictures shared by time), then collection period 4ms low level off time
It is interior, can be successively using other two image data acquiring modules collection view data, so, in same image data acquiring
The quantity of acquired image data is 3 times of single image data acquisition module in cycle.
Simultaneously can be by changing dutycycle and/or the different images data acquisition of each image data acquiring module 701
The acquisition time section of module 701 is to gather view data.
Such as：By taking the speed of service of detected material as an example, when the speed of service of detected material is higher, it is necessary to 180 frames/second
, can adopting in each two field picture if the frame frequency of each image data acquiring module 701 only has 45 frames/second during acquisition precision
Collect in the cycle, using the image data acquiring module 701 that 4 frame frequencies are 45 frames/second successively interleaved acquisition view data, reach
The effect of 180 frames/second, so that frame frequency and the detected material of fair speed match.
If the speed of service of detected material is relatively low, it is only necessary to the acquisition precision of 60 frames/second, if one co-exists in 2 frame frequencies
For the image data acquiring module 701 of 120 frames/second, then each two field picture that can change image data acquiring module 701 accounts for
Empty ratio so that the frame frequency of each image data acquiring module 701 is 30 frames/second, and in the collection period of each two field picture, is led to
Cross and changed the image data acquiring module 701 of dutycycle using above-mentioned two and carry out interleaved acquisition view data successively, produce
The collection effect of 60 frames/second, so that the view data frame frequency and the detected material of low speed that collect match.
Fig. 8 shows the structure chart of second of image data collection system shown in an exemplary embodiment of the invention, such as
Shown in Fig. 8, described image data acquisition control device 720 in addition to the construction module shown in Fig. 7, in addition to：First pretreatment
Device 724, it is arranged between the acquisition controller 722 and described image data transmitter 723, it is described according to difference for splicing
Collection sequential interleaved acquisition view data, the frame frequency of described image data and the detected material property phase after splicing
Match somebody with somebody.
By splicing the view data according to different collection sequential institute interleaved acquisitions, by same period of image data acquisition
The view data collected under interior different sequential is stitched together, and can obtain the view data of different frame frequency, and can be with
Spliced according to the property of detected material, to obtain the frame frequency of the view data to match with detected material, so as to accurate
Ground reflects the property of detected material.The figure that the image data acquiring module of different imaging regions is gathered can also be spliced simultaneously
As data, to realize, the specific collection of multi-angle comprehensive to detected material, more comprehensively, specifically reflect detected material
Property.
Fig. 9 shows the structural representation of the third image data collection system shown in an exemplary embodiment of the invention
Figure, as shown in figure 9, described image data collecting system, in addition to each construction module shown in Fig. 8, in addition to：Second is pre-
Processor 725, it is arranged between the acquisition controller 722 and described image data transmitter 723, for according to predetermined condition
Described image data are screened, the predetermined condition includes detection temperature, error range and/or image clearly with pre-set image
Degree.
, may due to requirement might not be complied fully with by the acquired image data of image data acquiring module 701
Situations such as distortion, excessive with the error range of predetermined view data or the definition of image is too low be present.If for example, picture number
Infrared detection detected material is used according to acquisition module 701, to gather view data；When the detection temperature of infrared ray is less than predetermined
During temperature, the view data collected will be smudgy, at this point it is possible to weed out acquired image number under this detection temperature
According to so as to realize the appropriate screening to view data.
Figure 10 is the timing diagram of the image data collection system shown in Fig. 9；As shown in Figure 10, when detected material enters pair
During the region to be detected that the detected material is detected, the acquisition module Chooser 721 of image data acquiring control device from
The image to match with detected material property is chosen in the connected image data acquiring module 701 of the acquisition module Chooser 721
Data acquisition module 701, acquisition controller 722 control the image data acquiring mould to match with detected material property being selected
Block 701 gathers view data；It is sent to after image data acquiring module 701 collects view data, then by the view data
First preprocessor 724 carries out image mosaic, splices the above-mentioned view data according to different collection sequential interleaved acquisitions, so that
The frame frequency of spliced view data matches with detected material property；And/or the view data collected is sent to second
Preprocessor 725, so that the second preprocessor 725 screens view data according to predetermined condition, wherein, screening conditions include detection
Error range and/or image definition of temperature and pre-set image etc., to weed out and undesirable view data；Most
The view data by screening is delivered to view data transmitter 723 to carry out data transmission afterwards, so that view data is sent
Device 723 is sent to the external process devices progress being connected with universal external interface and corresponding handled.
Figure 11 shows the structural representation of the 4th kind of image data collection system shown in an exemplary embodiment of the invention
Figure, as shown in figure 11, described image data acquisition control device 720 in addition to the structure shown in Fig. 7, in addition to：Memory
726, it is connected with the acquisition controller 722, for storing each described image data acquisition module successively according to collection sequential
The view data of 701 collections；Trigger 727, it is arranged between the memory 726 and described image data transmitter 723, uses
When the number of the described image data stored when the memory 726 reaches predetermined number, triggering described image data are sent
Device 723 sends described image data and handled to corresponding processing unit successively.
Memory 727 can not upset the acquisition order of view data, very according to sequential storage image data successively are gathered
The real property for objectively reflecting detected material；Simultaneously after the number of the described image data of storage reaches predetermined number, send
To corresponding processing unit, the effect of caching can be reached, to improve the processing speed of processing unit.It is meanwhile above-mentioned by image
Data are sent to the order of processing unit, can also be sent in sequence to processing unit according to the collection sequential of view data.
Figure 12 is the timing diagram of the image data collection system shown in Figure 11；As shown in figure 12, when detected material enters
During the region to be detected detected to the detected material, the acquisition module Chooser 721 of image data acquiring control device from
Choose in each image data acquiring module 701 being connected with the acquisition module Chooser 721 and match with detected material property
Image data acquiring module 701, acquisition controller 722 controls the image data acquiring module 701 that is selected to gather picture number
According to；After image data acquiring module 701 collects view data, acquisition controller 722 is suitable according to the time by the view data
Sequence is sent in sequence to memory 726；So that memory 726 stores each described image data acquisition module successively according to collection sequential
The acquired image data of block 701；When the number of the described image data of the memory 726 storage reaches predetermined number,
Trigger 727 trigger view data transmitter 723 by the view data stored in memory 726 be sent in sequence to it is general outer
The connected external process devices of connection interface are handled.
Wherein, the memory 726 can be multiple that as shown in figure 12, acquisition controller 722 can first deposit view data
The memory 726 to the left side is stored up, after the memory 726 on the left side is filled with, then the memory 726 by view data storage to the right
Stored；After the memory 726 on the right is filled with, trigger 727 first controls the memory 726 on the right will according to storage order
View data passes to digital image data transmitter 723, then controls the memory 726 on the left side according to storage order by image
Data transfer is to view data transmitter 723.
In order to monitor described image data collecting system in time, ensure image data collection system normal work, such as Figure 13
Shown, described image data acquisition control device 720 also includes：Detector 728, respectively with described image data acquisition module
701st, the acquisition module Chooser 721, the acquisition controller 722 and described image data transmitter 723 are connected, and are used for
Detect the quantity of available described image data acquisition module 701, and the acquisition module Chooser 721, the acquisition control
The working condition of device 722 and described image data transmitter 723.
By setting detector 728, it is capable of the quantity and running situation of detection image data acquisition module 701, and it is described
Acquisition module Chooser 721, the acquisition controller 722 and described image data transmitter 723, i.e., can monitor whole image
Data collecting system, ensure the normal work of image data collection system.
Figure 14 is the structure chart of the 6th kind of image data collection system shown in an of the invention exemplary embodiment, such as Figure 14
Shown, the image data collection system also includes：Power supply 730, respectively with described image data acquisition module 701 and described
Image data acquiring control device 720 is connected, for for described image data acquisition module 701 and described image data acquisition control
Device 720 processed provides supply voltage.Certainly, image data collection system can also be directly accessed civil power, and in the view data
The inside of acquisition system sets A/D converter, to obtain being adapted to the supply voltage of image data collection system.
Figure 15 is the structure chart of the 7th kind of image data collection system shown in an of the invention exemplary embodiment, such as Figure 15
Shown, the image data collection system includes：
Multiple images data acquisition module 801, multiple images data acquisition module 801 are used to gather view data.Wherein,
Each image data acquiring module 801 in the Figure 15 can be the machine that camera etc. is capable of continuously shot images.
Also include the acquisition control module 802 being connected respectively with each image data acquiring module 801；
The acquisition control module 802 is connected with each image data acquiring module 801, it is possible to achieve multiple functions, bag
Include the image data acquiring module 801 chosen and matched with the detected material property of pending image data acquiring；Control is selected
The image data acquiring module 801 taken is with to detected material progress image data acquiring；Simultaneously acquisition control module 802 also with number
It is connected according to transport module 804；View data for image data acquiring module 801 to be collected is sent by data/address bus
To data transmission module 804, so that data transmission module 804 is sent to the respective handling device outside image data collection system
Handled.
Detected material may have the properties such as speed, position and shape, and therefore, this is detected when detected material enters
The region to be detected that thing carries out image data acquiring is surveyed, or needs to gather detected material according to the instruction of concrete operations person and schemes
During as data, acquisition control module 802 can be chosen and quilt according to properties such as the speed of detected material, position and/or shapes
The image data acquiring module 801 that detectable substance matches.It is elected to get the image data acquiring to match with detected material property
After module 801, acquisition control module 802 controls the image data acquiring module 801 being selected to carry out picture number to detected material
According to collection, the view data to match with detected material property can be obtained, so as to correctly reflect the property of detected material
Matter, in favor of carrying out subsequent treatment.
When the image data acquiring module 801 that control is selected gathers view data, the acquisition control module 802 may be used also
To control the frame frequency quantity of the view data for each image data acquiring module 801 being selected, to select the frame of view data
The frequency image data acquiring module 801 that matches with detected material gathers view data.
The acquisition control module 802 also includes self-checking function simultaneously, can detect each mould of the acquisition control module 802
The function of block realizes situation, while the acquisition control module 802 can also detect the available of each image data acquiring module 801
Quantity and function normal condition, and predetermined value and/or function can be less than in the quantity available of image data acquiring module 801
Given a warning when abnormal.
The image data collection system also includes the data transmission module 804 being connected with above-mentioned acquisition control module 802, such as
Shown in Figure 15, the output end of the data transmission module 804 is connected with a universal external interface 805, passes through the universal external interface
805 are connected with the processing unit of outside, to send view data.
Meanwhile the image data collection system also include being arranged on acquisition control module 802 and data transmission module 804 it
Between Secondary Development Module 803, the input of the Secondary Development Module 803 is connected with acquisition control module 802, output end and number
It is connected according to transport module 804.
The Secondary Development Module 803, for receiving the image data acquiring module of the transmission of acquisition control module 802
After 801 view data collected, the view data is screened according to predetermined condition.
Might not all it be met the requirements by the acquired image data of image data acquiring module 801, it is understood that there may be
Distortion, situations such as excessive with the error range of predetermined view data or the definition of image is too low.For example, if view data is adopted
Collect module 801 and use infrared detection detected material, to gather view data；When the detection temperature of infrared ray is less than predetermined temperature
When, the view data collected will be smudgy, at this point it is possible to acquired image data under this detection temperature are weeded out,
So as to realize the appropriate screening to view data.
Secondly, the Secondary Development Module 803 can also have the function of stitching image data, with obtain it is continuous and with
The view data that detected material matches.
The image data collection system also includes power supply 806, is controlled respectively with each image data acquiring module 801, collection
Molding block 802, data transmission module 804 and Secondary Development Module 803 are connected, for providing power supply electricity for above-mentioned each device
Pressure.
Figure 16 is the timing diagram of the image data collection system shown in Figure 15；As shown in figure 16, when detected material enters
During the region to be detected detected to the detected material, acquisition control module 802 is adopted from coupled each view data
Collect in module 801, choose the image data acquiring module 801 to match with detected material property；Wherein, acquisition control module
802 can choose the ginseng such as quantity, position and frame frequency of image data acquiring module 801 to match with detected material property
Number, to gather the view data of detected material exactly；Acquisition control module 802 controls the image data acquiring module being selected
801 collection view data；After image data acquiring module 801 collects view data, acquisition control module 802 is by the image
Data are sent to data transmission module 804, so that data transmission module 804 connects the view data collected by universal external
The processing unit that mouth is sent to outside carries out processing operation；Or acquisition control module 802 sends the view data collected
To Secondary Development Module 803, so that Secondary Development Module 803 is screened according to predetermined condition to view data, weed out not
Satisfactory view data, wherein, the predetermined condition includes detection temperature, error range and/or figure with pre-set image
Image sharpness etc.；The view data after screening is finally delivered to data transmission module 804, so that data transmission module 804 is sent out
The external device (ED) being connected with universal external interface is sent to be handled.
The scheme of image data acquiring provided by the invention, by choosing with to be carried out being detected for image data acquiring
The image data acquiring module that physical property matter matches, to carry out image data acquiring, can be collected to detected material and quilt
The view data that detectable substance property matches, mismatched so as to effectively prevent the view data collected with detected material property
Phenomenon.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment
Divide mutually referring to what each embodiment stressed is the difference with other embodiments.
The embodiments of the present invention described above are not intended to limit the scope of the present invention.It is any in the present invention
Spirit and principle within the modifications, equivalent substitutions and improvements made etc., should be included in the scope of the protection.
Claims (9)
- A kind of 1. method of image data acquiring, it is characterised in that including：Choose the image data acquiring module to match with the detected material property of pending image data acquiring；Described image data acquisition module is controlled to carry out image data acquiring to the detected material；The view data collected is sent into corresponding processing unit to be handled；Wherein, the image data acquiring module that the detected material property of the selection and pending image data acquiring matches, Including：When described image data acquisition module is single, the image data acquiring to match with the detected material property is chosen Module position；Or,When described image data acquisition module is multiple, the image data acquiring to match with the detected material property is chosen Module number, position and frequency dividing triggering mode；The frequency dividing triggering mode to match with the detected material property of choosing includes：Choose the fortune with the detected material The frequency dividing triggering mode that scanning frequency degree matches；Multiple described image data acquisition modules arrange perpendicular to the traffic direction linear array of the detected material.
- 2. the method for image data acquiring according to claim 1, it is characterised in that the frequency dividing triggering mode includes：In same period of image data acquisition, each described image data acquisition module is alternately adopted according to different collection sequential Collect described image data.
- 3. the method for image data acquiring according to claim 2, it is characterised in that the view data that will be collected It is sent to before corresponding processing unit handled, in addition to：The splicing described image data according to different collection sequential interleaved acquisitions, the frame frequency of described image data after splicing Match with the detected material property.
- 4. the method for image data acquiring according to claim 2, it is characterised in that the view data that will be collected It is sent to before corresponding processing unit handled, in addition to：Described image data are screened according to predetermined condition, the predetermined condition includes detection temperature, view data and pre-set image Error range and/or image definition.
- 5. the method for image data acquiring according to claim 2, it is characterised in that in each described image data acquisition After module is according to different collection sequential interleaved acquisition described image data, in addition to：Store the view data of each image data acquiring module interleaved acquisition successively according to collection sequential；When the number of the described image data of storage reaches predetermined number, described image data are sent in sequence to corresponding place Reason device is handled.
- 6. the method for image data acquiring according to claim 1, it is characterised in that multiple described image data acquisition modules Block has common imaging region, and the imaging region covering carries out the area to be detected of image data acquiring to the detected material Domain.
- A kind of 7. image data collection system, it is characterised in that including：Image data acquiring module, provided with least one image data acquiring module；The image data acquiring control device being connected with described image data acquisition module, described image data acquisition control device Including the acquisition module Chooser being connected with described image data acquisition module, the collection being connected with the acquisition module Chooser Controller and the view data transmitter being connected with the acquisition controller；Wherein,The acquisition module Chooser is used to choose the image to match with the detected material property of pending image data acquiring Data acquisition module；The acquisition controller is also connected with described image data acquisition module, for controlling the acquisition module Chooser to choose Image data acquiring module to the detected material carry out image data acquiring；Described image data collecting system also includes universal external interface, and for external processing unit, described image data are sent Device is also connected by data/address bus with the universal external interface；The acquisition module Chooser includes quantity and chooses module, position selection module and frequency dividing triggering mode selection module；The frequency dividing triggering mode selection module is used to, when described image data acquisition module is multiple, choose and be detected with described Survey the frequency dividing triggering mode that the speed of service of thing matches；When described image data acquisition module is multiple, multiple described image data acquisition modules are perpendicular to the detected material Traffic direction linear array arrangement.
- 8. image data collection system according to claim 7, it is characterised in that the frequency dividing triggering mode chooses module The frequency dividing triggering mode of selection includes：In same period of image data acquisition, each described image data acquisition module is alternately adopted according to different collection sequential Collect described image data；Described image data acquisition control device also includes：First preprocessor, it is arranged between the acquisition controller and described image data transmitter, for splicing described press According to the view data of different collection sequential interleaved acquisitions, the frame frequency of described image data and the detected material property after splicing Match.
- 9. image data collection system according to claim 8, it is characterised in that also include：Second preprocessor, it is arranged between the acquisition controller and described image data transmitter, for according to predetermined bar Part screens described image data, and the predetermined condition includes detection temperature, error range and/or image clearly with pre-set image Degree.
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