CN104771165B - A kind of imaging method and device - Google Patents
A kind of imaging method and device Download PDFInfo
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- CN104771165B CN104771165B CN201510178434.5A CN201510178434A CN104771165B CN 104771165 B CN104771165 B CN 104771165B CN 201510178434 A CN201510178434 A CN 201510178434A CN 104771165 B CN104771165 B CN 104771165B
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Abstract
The embodiment of the invention discloses a kind of imaging method and device, include the electrode slice group of at least four electrode slices by being set on test substance, and each electrode slice in electrode slice group is set to be connected respectively with corresponding quality end according to each pattern in mode list, so as to obtain the scanning signal that receiving terminal is received by electrode slice under each pattern, and according to the detection image of scanning signal generation test substance.Imaging method and device provided in an embodiment of the present invention, Electromagnetic Wave Propagation path is different in each mode, when the pattern in mode list is enough, the set in Electromagnetic Wave Propagation path can cover whole test substance comprehensively under each pattern, so as to obtain the comprehensive scanning signal of test substance, finally, the detection image of test substance is generated according to all scanning signals, allows users to intuitively determine the particular location and shape of impurity in test substance by detection image.
Description
Technical field
The present invention relates to electromagnetic wave signal technical field, more particularly to a kind of imaging method and device.
Background technology
Electromagnetic wave signal can propagate energy in the form of ripple in media as well, and the electromagnetic wave signal of identical frequency is not
With Propagation when there is different waveforms, therefore, different medium is distinguished using electromagnetic wave signal.Generally, utilize
The method that electromagnetic wave signal distinguishes different medium mainly includes the following steps that：First, a phase is launched to every a kind of testing medium
The electromagnetic wave signal of same frequency, makes electromagnetic wave signal be propagated in test substance；Then, test substance is passed through in electromagnetic wave signal
Received afterwards；Finally, the similarities and differences between more each electromagnetic wave signal received, thus distinguish different classes of Jie
Matter.
According to the method described above, the impurity in something is detected using electromagnetic wave signal, for example, in detection biological tissue
Ponding or clot etc..The Wave data after certain frequency electromagnetic signal is propagated in the biological tissue of free from admixture is obtained first, and
Using the Wave data as normal data, then in biological tissue's paste outside multiple electrodes piece, each electrode slice has specific
Attribute, including outwards launch certain frequency electromagnetic signal emission electrode piece, receive electromagnetic wave signal receiving electrode piece
And grounding electrode piece.When somewhere has ponding or clot in biological tissue, because the electromagnetic wave signal of identical frequency is in life
Wave data after being propagated in thing tissue, ponding or clot is different, therefore, if the electromagnetic wave letter received by receiving electrode piece
Number Wave data it is different from above-mentioned standard data, exist inside deducibility biological tissue on the propagation path of electromagnetic wave signal
Ponding or clot.
But in the impurity in using electromagnetic wave signal detection something, it only can determine that the propagation in electromagnetic wave signal
On path, presence or absence of impurity in the material, and the particular location and shape of impurity can not be intuitively determined, therefore, urgently
A kind of imaging technique is needed to show the situation of impurity in material, to determine the position of impurity and shape in material.
The content of the invention
A kind of imaging method and device are provided in the embodiment of the present invention, can not be shown with solving prior art by being imaged
The problem of showing impurity situation in material.
In order to solve the above-mentioned technical problem, the embodiment of the invention discloses following technical scheme：
A kind of imaging method, for generating the detection image of test substance according to the electrode slice group set on test substance,
Include at least four electrode slices in the electrode slice group, methods described includes：
The mode list pre-set is obtained, the mode list includes multiple patterns, and the pattern includes each electrode
The attribute information of piece, the attribute information include：One in receiving electrode, emission electrode and grounding electrode；
A pattern in the mode list is obtained as target pattern；
According to the attribute information of each electrode slice in the target pattern, each electrode slice in the electrode slice group is controlled
It is connected respectively with corresponding quality end；The quality end includes：Receiving terminal, transmitting terminal and earth terminal, and any one electrode
Piece is connected with a quality end simultaneously；
When obtaining that each pattern is as target pattern in the mode list respectively, all scannings letter that receiving terminal receives
Number；
The detection image of all scanning signals generation test substance received according to receiving terminal.
Alternatively, it is respectively arranged with a control between each electrode slice and all properties end in the electrode slice group
Switch；
The attribute information according to each electrode slice in the target pattern, control each electricity in the electrode slice group
Pole piece is connected with corresponding quality end respectively, including：
Controlling switch of the attribute information in the electrode slice group between the electrode slice and receiving terminal of receiving electrode is closed,
And the controlling switch between transmitting terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and transmitting terminal of emission electrode is closed,
And the controlling switch between receiving terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and earth terminal of grounding electrode is closed,
And the controlling switch between receiving terminal, transmitting terminal is opened.
Alternatively, described when obtaining that each pattern is as target pattern in the mode list respectively, receiving terminal receives
All scanning signals, including：
Put in order according to pattern in the mode list, using each pattern successively as target pattern；
The scanning signal that receiving terminal is received by the electrode slice being connected in each target pattern with receiving terminal is obtained respectively.
Alternatively, the detection image of all scanning signals generation test substance received according to receiving terminal, including：
Operated using analog-to-digital conversion, each scanning signal is converted into data signal；
The impedance value of each scanning signal is obtained according to data signal corresponding to each scanning signal；
Using the impedance value and electrical impedance tomography image reconstruction algorithm of each scanning signal, test substance is generated
Impedance image, and using impedance image as detection image.
A kind of imaging device, for generating the detection image of test substance according to the electrode slice group set on test substance,
Include at least four electrode slices in the electrode slice group, described device includes：
Mode unit, for storing the mode list pre-set, the mode list includes multiple patterns, the pattern
Include the attribute information of each electrode slice, the attribute information includes：One in receiving electrode, emission electrode and grounding electrode
It is individual；
The target pattern unit being connected with mode unit, for obtaining a pattern in the mode list as target
Pattern；
The connection unit being connected with target pattern unit, believe for the attribute according to each electrode slice in the target pattern
Breath, controls each electrode slice in the electrode slice group to be connected respectively with corresponding quality end；The quality end includes：Receive
End, transmitting terminal and earth terminal, and any one electrode slice is connected with a quality end simultaneously；
The data capture unit being connected with receiving terminal, for obtaining in the mode list each pattern respectively as target
During pattern, all scanning signals that receiving terminal receives；
The imaging unit being connected with data capture unit, all scanning signals generation for being received according to receiving terminal are treated
Survey the detection image of material.
Alternatively, it is respectively arranged with a control between each electrode slice and all properties end in the electrode slice group
Switch；
The connection unit includes：
Controlling switch unit, for by attribute information in the electrode slice group for receiving electrode electrode slice and receiving terminal it
Between controlling switch closure, and controlling switch between transmitting terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and transmitting terminal of emission electrode is closed,
And the controlling switch between receiving terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and earth terminal of grounding electrode is closed,
And the controlling switch between receiving terminal, transmitting terminal is opened.
Alternatively, the data capture unit includes：
Sequential cell, for being put in order according to pattern in the mode list, using each pattern successively as target
Pattern；
The scanning signal unit being connected with the sequential cell, pass through for obtaining receiving terminal respectively in each target pattern
The scanning signal that the electrode slice being connected with receiving terminal receives.
Alternatively, the imaging unit includes：
AD conversion unit, for being operated using analog-to-digital conversion, each scanning signal is converted into data signal；
Impedance acquiring unit, the impedance of each scanning signal is obtained for the data signal according to corresponding to each scanning signal
Value；
Image generation unit, calculated for the impedance value using each scanning signal and electrical impedance tomography image reconstruction
Method, the impedance image of test substance is generated, and using impedance image as detection image.
Alternatively, the electrode slice group includes eight electrode slices, wherein, eight electrode slices are divided into four electrode slice groups, often
Individual electrode slice group includes two electrode slices, and four electrode slice groups are in cross symmetrical.
From above technical scheme, a kind of imaging method and device provided in an embodiment of the present invention, by determinand
Being set in matter includes the electrode slice group of at least four electrode slices, and makes each electrode slice in electrode slice group according in mode list
Each pattern respectively with corresponding quality end connect, swept so as to obtain receiving terminal under each pattern by what electrode slice received
Signal is retouched, and the detection image of test substance is generated according to scanning signal.
Imaging method and device provided in an embodiment of the present invention, Electromagnetic Wave Propagation path is different in each mode, when
When pattern in mode list is enough, under each pattern the set in Electromagnetic Wave Propagation path can cover whole determinand comprehensively
Matter, so as to obtain the comprehensive scanning signal of test substance, finally, the detection of test substance is generated according to all scanning signals
Image, allow users to intuitively determine the particular location and shape of impurity in test substance by detection image.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, for those of ordinary skill in the art
Speech, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet of imaging method provided in an embodiment of the present invention；
Fig. 2 is a kind of structural representation of electrode slice group provided in an embodiment of the present invention；
Fig. 3 is the structural representation of a kind of imaging device provided in an embodiment of the present invention.
Embodiment
In order that those skilled in the art more fully understand the technical scheme in the present invention, below in conjunction with of the invention real
The accompanying drawing in example is applied, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described implementation
Example only part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained under the premise of creative work is not made, should all belong to protection of the present invention
Scope.
Fig. 1 is a kind of schematic flow sheet of imaging method provided in an embodiment of the present invention, for being set according on test substance
The detection image for the electrode slice group generation test substance put, wherein includes at least four electrode slices, each electrode in electrode slice group
Piece directly contacts with the outer surface of test substance, and in the present embodiment, test substance is mankind's cranium brain, can be by each electrode slice
It is pasted onto on skull lateral cutaneous, or electrode slice is contacted with skull lateral cutaneous using other modes.Imaging method specifically wraps
Include following steps：
Step S101：Obtain the mode list that pre-sets, the mode list includes multiple patterns, in any one pattern
Include the attribute information of each electrode slice, wherein, attribute information includes one in receiving electrode, emission electrode and grounding electrode
It is individual, it is as shown in the table：
Wherein, under the pattern that numbering is 01, the attribute information of first electrode piece is emission electrode, the attribute of second electrode piece
Information is receiving electrode, and the attribute information of the 3rd electrode slice is receiving electrode, and the attribute information of the 4th electrode slice is grounding electrode.
Similar with aforesaid way, under the pattern that numbering is 02, each electrode slice corresponds with an attribute information respectively.
Step S102：A pattern in obtaining mode list is as target pattern.
In above-mentioned mode list, a pattern is chosen as target pattern, target pattern is that electrode slice group i.e. will be complete
Into pattern, in the present embodiment, a collection of selected materials number is target pattern for 01 pattern in slave pattern list.
Step S103：According to the attribute information of each electrode slice in target pattern, each electrode in coordination electrode piece group
Piece is connected with corresponding quality end respectively.
Wherein, quality end includes receiving terminal, transmitting terminal and earth terminal, and any one electrode slice simultaneously with a quality end
It is connected.That is, attribute information is connected for the first electrode piece of emission electrode with transmitting terminal, and the electromagnetic wave of transmitting terminal transmitting can lead to
Cross first electrode piece and spread into test substance；Attribute information for receiving electrode second electrode piece and the 3rd electrode slice respectively with
Receiving terminal connects, and can be received by second electrode piece and the 3rd electrode slice through the electromagnetic wave signal inside object to be measured；Category
Property information be connected for the 4th electrode slice of grounding electrode with earth terminal.
Step S104：When each pattern of obtaining mode list is as target pattern respectively, what receiving terminal received all sweeps
Retouch signal.
All patterns in mode list are made respectively to be used as target pattern, according to the corresponding relation in each target pattern
Each electrode slice in electrode slice group is connected with corresponding quality end, also, obtain in each target pattern and connect with receiving terminal
The electrode slice connect sends the scanning signal of receiving terminal, i.e. electromagnetic wave signal to.It is connected in a pattern is obtained with receiving terminal
Electrode slice sends the scanning signal of receiving terminal to and then changes target pattern, makes the electrode slice in electrode slice group according to next
Individual target pattern connects with corresponding quality end, so as to make receiving terminal obtain new scanning signal.
In one particular embodiment of the present invention, can be put in order according to each pattern in mode list, for example, press
According to the coding of each pattern, successively using each pattern as target pattern, according to the attribute information of each electrode slice under the pattern,
Each electrode slice is set to be connected with corresponding quality end.It is of course also possible to it regard each pattern as target mould successively using other orders
Formula.
Step S105：The detection image of all scanning signals generation test substance received according to receiving terminal.
In one particular embodiment of the present invention, analog-to-digital conversion is carried out to scanning signal, scanning signal is converted into number
Word signal, also, multiple analog-to-digital conversion, such as 100 times are carried out in a data processing cycle, finally average；Then
Using discrete Fourier transform (DFT, Discrete Fourier Transform) algorithm process, each scanning signal is obtained
A real part data value and an imaginary data value, calculate impedance value, also, with existing electrical impedance tomography image
Based on algorithm for reconstructing, the impedance image of cranium brain is rebuild.Impedance image can reflect the distribution of impedance in cranium brain, due to different
Material has different impedances, therefore, in impedance image, ponding and hemotoncus in cranium brain can be observed.
In the present embodiment, by making each electrode slice in electrode slice group according to different target pattern and pair of quality end
It should be related to, change the quality end of each electrode slice connection, and then change electromagnetic wave in the electrode slice being connected with transmitting terminal and with connecing
Propagation path between the electrode slice of receiving end connection, enables propagation path of the electromagnetic wave signal in test substance comprehensive, complete
Site preparation covers whole test substance, also, the scanning signal received using receiving terminal under different target pattern, generation detection
Image, the impurity in test substance is set intuitively to be apparent in detection image.
In another embodiment of the present invention, as shown in Fig. 2 each electrode slice (institute of label 2 in figure in electrode slice group
Show) controlling switch is all respectively arranged between all properties end, i.e. between each electrode slice and all properties end
Connected by a controlling switch.For example, some electrode slice and transmitting terminal (label A in figure), receiving terminal (label C in figure) and
A controlling switch, the controlling switch between the electrode slice and transmitting terminal are respectively arranged between earth terminal (label B in figure)
During closure, the electrode slice connects with transmitting terminal, so as to which the electromagnetic wave that transmitting terminal is launched can outwards launch electricity by the electrode slice
Magnetic wave, also, the controlling switch between the electrode slice and receiving terminal, earth terminal is opened.
According to the attribute information of each electrode slice in target pattern, each electrode slice in coordination electrode piece group respectively with it is right
The quality end answered is connected, by taking the pattern that numbering is 1 in above-described embodiment form as an example, as target pattern, wherein, the
The attribute information of one electrode slice is emission electrode, and the attribute information of second electrode piece is grounding electrode, the attribute of the 3rd electrode slice
Information is receiving electrode, and the attribute information of the 4th electrode slice is receiving electrode.
Controlling switch of the attribute information in electrode slice group between the first electrode piece and transmitting terminal of emission electrode is closed,
And the controlling switch between receiving terminal, earth terminal is opened；
Controlling switch of the attribute information in electrode slice group between the second electrode piece and earth terminal of grounding electrode is closed,
And the controlling switch between transmitting terminal, receiving terminal is opened；
By attribute information in electrode slice group between the 3rd electrode slice and the 4th electrode slice and receiving terminal of receiving electrode
Controlling switch is closed, and the controlling switch between earth terminal, transmitting terminal is opened.
Thus, under a target pattern, each electrode slice is made to be connected respectively with corresponding quality end by controlling switch.
In the present embodiment, any one electrode slice and transmitting terminal between controlling switch close, and with receiving terminal, connect
Controlling switch between ground terminal is opened, i.e. an electrode slice in electrode slice group is connected with transmitting terminal；Any two electrode slice with
Receiving terminal between controlling switch closure, and controlling switch between transmitting terminal, earth terminal is opened, i.e. in electrode slice group
Two electrode slices be connected with receiving terminal；Any one electrode slice and earth terminal between controlling switch close, and with transmitting
Controlling switch between end, receiving terminal is opened, i.e. an electrode slice in electrode slice group is connected with earth terminal.
Any one electrode slice is only connected with an objective attribute target attribute end simultaneously, in the electrode slice with more than four electrode slices
In group, for example, in the electrode slice group with eight electrode slices, four electrodes are arbitrarily chosen in eight electrode slices according to pattern
Piece is not connected as the electrode slice being connected with transmitting terminal, receiving terminal and earth terminal, other electrode slices with any one quality end, and
And electrode slice is chosen with different combinations, you can the different propagation path of structure electromagnetic wave, electromagnetic wave is passed through multiple propagation roads
Footpath covers the purpose of whole object under test to reach.
Fig. 3 is the structural representation of a kind of imaging device provided in an embodiment of the present invention, for being set according on test substance
The detection image for the electrode slice group generation test substance put, electrode slice group is interior to include at least four electrode slices 2, and device includes：
Mode unit 11, for storing the mode list pre-set, mode list includes multiple patterns, and pattern includes every
The attribute information of individual electrode slice 2, attribute information include：One in receiving electrode, emission electrode and grounding electrode；
The target pattern unit 12 being connected with mode unit 11, for a pattern in obtaining mode list as target
Pattern；
The connection unit 13 being connected with target pattern unit 12, for the attribute according to each electrode slice 2 in target pattern
Information, each electrode slice 2 in coordination electrode piece group are connected with corresponding quality end respectively；Quality end includes：Receiving terminal, hair
End and earth terminal are penetrated, and any one electrode slice 2 is connected with a quality end simultaneously；
The data capture unit 14 being connected with receiving terminal, for distinguishing each pattern of obtaining mode list as target pattern
When, all scanning signals that receiving terminal receives；
The imaging unit 15 being connected with data capture unit 14, for all scanning signals life received according to receiving terminal
Into the detection image of test substance.
In another embodiment of the present invention, divide between each electrode slice 2 in electrode slice group and all properties end
A controlling switch is not provided with；
Connection unit 13 includes：
Controlling switch unit, for by attribute information in electrode slice group for receiving electrode electrode slice 2 and receiving terminal between
Controlling switch closure, and controlling switch between transmitting terminal, earth terminal is opened；
Controlling switch of the attribute information in electrode slice group between the electrode slice 2 and transmitting terminal of emission electrode is closed, and
Controlling switch between receiving terminal, earth terminal is opened；
Controlling switch of the attribute information in electrode slice group between the electrode slice 2 and earth terminal of grounding electrode is closed, and
Controlling switch between receiving terminal, transmitting terminal is opened.
In another embodiment of the present invention, data capture unit 14 includes：
Sequential cell, for being put in order according to pattern in mode list, using each pattern successively as target pattern；
The scanning signal unit being connected with sequential cell, for obtain respectively receiving terminal by each target pattern with connecing
The scanning signal that the electrode slice 2 of receiving end connection receives.
In another embodiment of the present invention, imaging unit 15 includes：
AD conversion unit, for being operated using analog-to-digital conversion, each scanning signal is converted into data signal；
Impedance acquiring unit, the impedance of each scanning signal is obtained for the data signal according to corresponding to each scanning signal
Value；
Image generation unit, calculated for the impedance value using each scanning signal and electrical impedance tomography image reconstruction
Method, the impedance image of test substance is generated, and using impedance image as detection image.
In another embodiment of the present invention, electrode slice group includes eight electrode slices 2, wherein, eight electrode slices 2, which divide, is
Four electrode slice groups, each electrode slice group include two electrode slices 2, and four electrode slice groups are in cross symmetrical.
User is in application imaging device proposed by the present invention, in addition to it can realize the function in above-described embodiment,
Can also by making any one electrode slice 2 in four groups of electrode slice groups be connected with quality end, another electrode slice 2 not with attribute
The mode of connection is held, is received through the electromagnetic wave signal in measurand cranial cavity, for example, making four electrode slices being connected with quality end
2 intersect the inconsistent cross distribution of line length and asymmetric cross distribution etc. in cross distribution, two, to reach more preferable
Imaging effect.
It should be noted that herein, the relational terms of such as " first " and " second " or the like are used merely to one
Individual entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operate it
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Cover including for nonexcludability, so that process, method, article or equipment including a series of elements not only include those
Key element, but also the other element including being not expressly set out, or also include for this process, method, article or set
Standby intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element in the process including the key element, method, article or equipment also be present.
Described above is only the embodiment of the present invention, is made skilled artisans appreciate that or realizing this hair
It is bright.A variety of modifications to these embodiments will be apparent to one skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, it is of the invention
The embodiments shown herein is not intended to be limited to, and is to fit to and principles disclosed herein and features of novelty phase one
The most wide scope caused.
Claims (7)
1. a kind of imaging method, it is characterised in that for generating test substance according to the electrode slice group set on test substance
Detection image, the electrode slice group is interior to include at least four electrode slices, and methods described includes：
The mode list pre-set is obtained, the mode list includes multiple patterns, and the pattern includes each electrode slice
Attribute information, the attribute information include：One in receiving electrode, emission electrode and grounding electrode；
A pattern in the mode list is obtained as target pattern；
According to the attribute information of each electrode slice in the target pattern, each electrode slice in the electrode slice group is controlled to distinguish
It is connected with corresponding quality end；The quality end includes：Receiving terminal, transmitting terminal and earth terminal, and any one electrode slice is same
Shi Yuyi quality end is connected；
When obtaining that each pattern is as target pattern in the mode list respectively, all scanning signals that receiving terminal receives；
The detection image of all scanning signals generation test substance received according to receiving terminal；
The detection image of all scanning signals generation test substance received according to receiving terminal, including：
Operated using analog-to-digital conversion, each scanning signal is converted into data signal；
According to data signal corresponding to each scanning signal, the impedance value of each scanning signal is obtained；
Using the impedance value and electrical impedance tomography image reconstruction algorithm of each scanning signal, the impedance of test substance is generated
Image, and using impedance image as detection image.
2. according to the method for claim 1, it is characterised in that each electrode slice and all properties in the electrode slice group
A controlling switch is all respectively arranged between end；
The attribute information according to each electrode slice in the target pattern, control each electrode slice in the electrode slice group
It is connected respectively with corresponding quality end, including：
Controlling switch of the attribute information in the electrode slice group between the electrode slice and receiving terminal of receiving electrode is closed, and with
Controlling switch between transmitting terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and transmitting terminal of emission electrode is closed, and with
Controlling switch between receiving terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and earth terminal of grounding electrode is closed, and with
Controlling switch between receiving terminal, transmitting terminal is opened.
3. according to the method for claim 1, it is characterised in that described to obtain each pattern work in the mode list respectively
For target pattern when, all scanning signals that receiving terminal receives, including：
Put in order according to pattern in the mode list, using each pattern successively as target pattern；
The scanning signal that receiving terminal is received by the electrode slice being connected in each target pattern with receiving terminal is obtained respectively.
4. a kind of imaging device, it is characterised in that for generating test substance according to the electrode slice group set on test substance
Detection image, the electrode slice group is interior to include at least four electrode slices, and described device includes：
Mode unit, for storing the mode list pre-set, the mode list includes multiple patterns, and the pattern includes
The attribute information of each electrode slice, the attribute information include：One in receiving electrode, emission electrode and grounding electrode；
The target pattern unit being connected with mode unit, for obtaining a pattern in the mode list as target mould
Formula；
The connection unit being connected with target pattern unit, for the attribute information according to each electrode slice in the target pattern,
Each electrode slice in the electrode slice group is controlled to be connected respectively with corresponding quality end；The quality end includes：Receiving terminal,
Transmitting terminal and earth terminal, and any one electrode slice is connected with a quality end simultaneously；
The data capture unit being connected with receiving terminal, for obtaining in the mode list each pattern respectively as target pattern
When, all scanning signals that receiving terminal receives；
The imaging unit being connected with data capture unit, all scanning signals for being received according to receiving terminal generate determinand
The detection image of matter；
The imaging unit includes：
AD conversion unit, for being operated using analog-to-digital conversion, each scanning signal is converted into data signal；
Impedance acquiring unit, for the data signal according to corresponding to each scanning signal, obtain the impedance value of each scanning signal；
Image generation unit, for utilizing the impedance value and electrical impedance tomography image reconstruction algorithm of each scanning signal,
The impedance image of test substance is generated, and using impedance image as detection image.
5. device according to claim 4, it is characterised in that each electrode slice and all properties in the electrode slice group
A controlling switch is all respectively arranged between end；
The connection unit includes：
Controlling switch unit, for by attribute information in the electrode slice group for receiving electrode electrode slice and receiving terminal between
Controlling switch is closed, and the controlling switch between transmitting terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and transmitting terminal of emission electrode is closed, and with
Controlling switch between receiving terminal, earth terminal is opened；
Controlling switch of the attribute information in the electrode slice group between the electrode slice and earth terminal of grounding electrode is closed, and with
Controlling switch between receiving terminal, transmitting terminal is opened.
6. device according to claim 4, it is characterised in that the data capture unit includes：
Sequential cell, for being put in order according to pattern in the mode list, using each pattern successively as target pattern；
The scanning signal unit being connected with the sequential cell, for obtain respectively receiving terminal by each target pattern with connecing
The scanning signal that the electrode slice of receiving end connection receives.
7. device according to claim 4, it is characterised in that the electrode slice group includes eight electrode slices, wherein, eight
Electrode slice is divided into four electrode slice groups, and each electrode slice group includes two electrode slices, and four electrode slice groups are in cross symmetrical
Distribution.
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| CN111504884B (en) * | 2020-05-19 | 2021-07-09 | 中国科学技术大学 | Microscopic electrical impedance imaging device and method based on diamond NV color center |
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| CN1151684A (en) * | 1994-05-26 | 1997-06-11 | 卡罗琳娜丝心脏研究所 | Microwave tomographic spectroscopy system and method |
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