CN109596645A - Enhanced tomography scanner - Google Patents
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- CN109596645A CN109596645A CN201811492748.2A CN201811492748A CN109596645A CN 109596645 A CN109596645 A CN 109596645A CN 201811492748 A CN201811492748 A CN 201811492748A CN 109596645 A CN109596645 A CN 109596645A
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
- G01N23/046—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material using tomography, e.g. computed tomography [CT]
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Abstract
The present invention relates to a kind of enhanced tomography scanner, comprising: X bulb, including anode, cathode, vacuum tube, shell and protective cover, the vacuum tube, the anode and the cathode are all located in the shell；In the X bulb, the anode and the cathode are oppositely arranged, and the protective cover is arranged except the shell, and the shell is cast by cermet material, for guaranteeing that electronics freely accelerates in vacuum tube；Structure acquires equipment, connect respectively with frame number set device and dispersion degree processing equipment, for carrying out outline identification to the Scan Architecture in dispersion degree processing image, with the corresponding current structure type of determination, and exports the current structure type；Quantity set device for receiving current structure type, and determines continuous scanning number corresponding with the current structure type.Through the invention, the auto-adaptive controling ability of tomography scanner is improved.
Description
Technical field
The present invention relates to tomoscan field more particularly to a kind of enhanced tomography scanner.
Background technique
Tomography scanner is also known as tomographic apparatus, using small focus high power x-ray source, highly-sensitive detector and
High-precise motion control system, it is ensured that high spatial resolution and accurate motion positions precision when sample detection.One key draws
The high automatic operation mode of conduction reduces the technical requirements to operator, and operating system quickly, easy is as product matter
Measure detection high speed and effective tool.The double detector group of high contrast digital flat-panel detector and high-performance linear array detector
Collaboration system, realizes the detection of expeditiously bulk article, and obtains the three-dimensional tomographic image of high-quality, high contrast sensitivity.
Summary of the invention
In order to solve the technical problem of tomography scanner auto-adaptive controling ability deficiency in the prior art, the present invention provides
A kind of enhanced tomography scanner.
The present invention at least has the important inventive point of following two:
(1) structure type of Current Scan, and the structure class based on Current Scan are determined using customization image procossing mechanism
Type determines corresponding continuous scanning number；
(2) when the instant dispersion degree grade of image is less than predetermined level threshold value, circulating histogram is executed to image
Figure equilibrium treatment, until the instant dispersion degree grade of acquisition treated image is more than predetermined level threshold value.
According to an aspect of the present invention, a kind of enhanced tomography scanner is provided, the scanner includes:
X bulb, including anode, cathode, vacuum tube, shell and protective cover, the vacuum tube, the anode and the cathode
It is all located in the shell.
More specifically, in the enhanced tomography scanner: in the X bulb, the anode and the cathode phase
To setting, the protective cover is arranged except the shell.
More specifically, in the enhanced tomography scanner: in the X bulb, the shell is by cermet material
Material is cast, for guaranteeing that electronics freely accelerates in vacuum tube.
More specifically, in the enhanced tomography scanner, further includes:
Quantity set device for receiving current structure type, and determines corresponding with the current structure type continuous
Scanning times；Closed operation processing equipment for receiving scanning imagery image, and executes image to the scanning imagery image and closes fortune
Calculation processing, to obtain closed operation processing image；Content detection equipment is connect, for detecting with the closed operation processing equipment
The maximum target in closed operation processing image is stated, the region that the maximum target occupies in closed operation processing image is made
The corresponding object region of image is handled for the closed operation, intensity profile dispersion degree etc. is executed to the object region
Grade analysis, to obtain corresponding instant dispersion degree grade, and exports the instant dispersion degree grade；Signal distinguishing equipment, with institute
The connection of content detection equipment is stated, for receiving the instant dispersion degree grade, and is less than in the instant dispersion degree grade pre-
If when grade threshold, issuing first control signal, and when the instant dispersion degree grade is more than predetermined level threshold value, issue
Second control signal；Dispersion degree processing equipment connect with the signal distinguishing equipment and the content detection equipment respectively, is used for
When receiving first control signal, circulating histogram equalization is executed to closed operation processing image and is handled, until obtaining
The instant dispersion degree grade for the image that takes that treated is more than predetermined level threshold value, and the image that will acquire that treated as point
Divergence handles image output；Structure acquires equipment, connect respectively with the frame number set device and the dispersion degree processing equipment,
For carrying out outline identification to the Scan Architecture in dispersion degree processing image, with the corresponding current structure type of determination, and
Export the current structure type；Wherein, the content detection equipment include the sub- equipment of content reception, the sub- equipment of Target Segmentation,
The sub- equipment of grade analysis and data export sub- equipment；Wherein, in the content detection equipment, the sub- equipment of content reception is used
Image is handled in receiving the closed operation, the sub- equipment of Target Segmentation is connect with the sub- equipment of the content reception, is used for institute
It states the region that maximum target occupies in closed operation processing image and handles the corresponding target figure of image as the closed operation
As region.
More specifically, in the enhanced tomography scanner: in the content detection equipment, grade analysis
Equipment exports sub- equipment with the sub- equipment of the Target Segmentation and the data respectively and connect, for holding to the object region
Row intensity profile dispersion degree grade analysis, to obtain corresponding instant dispersion degree grade.
More specifically, in the enhanced tomography scanner: the dispersion degree processing equipment is also used to receiving
When two control signals, using closed operation processing image as dispersion degree processing image output.
More specifically, in the enhanced tomography scanner, further includes:
First analyzing device and the second analyzing device, be located at the dispersion degree processing equipment and the structure acquisition equipment it
Between.
More specifically, in the enhanced tomography scanner, further includes:
First analyzing device is connect with the dispersion degree processing equipment, for receiving the dispersion degree processing image,
It identifies each object in the dispersion degree processing image, each of the dispersion degree processing image is occupied to each object
Area ratio is sorted from small to large, and the multiple objects of area ratio rearward are grabbed and exported.
More specifically, in the enhanced tomography scanner: second analyzing device is acquired with the structure respectively
Equipment is connected with first analyzing device, is analyzed for the entropy to image-region where each object；Wherein, institute
The second analyzing device is stated to be also used to using the smallest image-region of entropy as high value image-region to replace at the dispersion degree
Reason image, which is exported, acquires equipment to the structure；Wherein, first analyzing device includes the sub- equipment of Object identifying, areal analysis
Sub- equipment and sequence export sub- equipment.
More specifically, in the enhanced tomography scanner: in first analyzing device, the dispersion degree processing
The noise type of image is more, and the quantity of the multiple objects of the area ratio of crawl rearward is more；Wherein, second parsing is set
Standby is a MCU chip, is analyzed for the entropy to image-region where each object.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the operative scenario figure according to the enhanced tomography scanner shown in embodiment of the present invention.
Specific embodiment
The embodiment of enhanced tomography scanner of the invention is described in detail below with reference to accompanying drawings.
Positron Emission Tomography is a kind of non-invasive imaging techniques, can be infused by detecting certain radioactive tracers
The gamma ray emitted when being mapped to human body, Lai Shengcheng 3 d medical images.Scanning generate digital picture, in many cases, this
A little images can recognize that the most common cancer, including lung cancer, breast cancer, the carcinoma of the rectum, lymph cancer and melanoma cancer.From technology
On say, tomographic apparatus is a kind of medical imaging technology, can discovery anatomical structure variation before, with imaging modality present point
Sub horizontal physiology lesion situation.When the electron collision in the positive electron and tissue of radioactive substance transmitting, gamma can be generated
Ray.This collision generates a pair of of gamma ray photon, it emits in opposite direction from position of collision, is installed in human peripheral
Gamma ray detection equipment detect.
In order to overcome above-mentioned deficiency, the present invention has built a kind of enhanced tomography scanner, can effectively solve the problem that corresponding
Technical problem.
Fig. 1 is according to the operative scenario figure of the enhanced tomography scanner shown in embodiment of the present invention, wherein 1 for
Bed board is scanned, 2 be scanner main body, and the scanner includes:
X bulb, including anode, cathode, vacuum tube, shell and protective cover, the vacuum tube, the anode and the cathode
It is all located in the shell.
Then, continue that the specific structure of enhanced tomography scanner of the invention is further detailed.
In the enhanced tomography scanner: in the X bulb, the anode and the cathode are oppositely arranged, institute
Protective cover is stated to be arranged except the shell.
In the enhanced tomography scanner: in the X bulb, the shell by cermet material cast and
At for guaranteeing that electronics freely accelerates in vacuum tube.
In the enhanced tomography scanner, further includes:
Quantity set device for receiving current structure type, and determines corresponding with the current structure type continuous
Scanning times；
Closed operation processing equipment for receiving scanning imagery image, and executes image to the scanning imagery image and closes fortune
Calculation processing, to obtain closed operation processing image；
Content detection equipment is connect with the closed operation processing equipment, for detecting in the closed operation processing image
The region that the maximum target occupies in closed operation processing image is handled image as the closed operation by maximum target
Corresponding object region executes intensity profile dispersion degree grade analysis to the object region, corresponding to obtain
Instant dispersion degree grade, and export the instant dispersion degree grade；
Signal distinguishing equipment is connect with the content detection equipment, for receiving the instant dispersion degree grade, and in institute
When stating instant dispersion degree grade and being less than predetermined level threshold value, first control signal is issued, and in described instant dispersion degree etc.
When grade is more than predetermined level threshold value, second control signal is issued；
Dispersion degree processing equipment is connect, for connecing respectively with the signal distinguishing equipment and the content detection equipment
When receiving first control signal, circulating histogram equalization is executed to closed operation processing image and is handled, until acquisition
The instant dispersion degree grade of treated image is more than predetermined level threshold value, and the image that will acquire that treated is as dispersion degree
Handle image output；
Structure acquires equipment, connect respectively with the frame number set device and the dispersion degree processing equipment, for institute
The Scan Architecture stated in dispersion degree processing image carries out outline identification, with the corresponding current structure type of determination, and described in output
Current structure type；
Wherein, the content detection equipment includes the sub- equipment of content reception, the sub- equipment of Target Segmentation, the sub- equipment of grade analysis
Sub- equipment is exported with data；
Wherein, in the content detection equipment, the sub- equipment of content reception is for receiving the closed operation processing figure
Picture, the sub- equipment of Target Segmentation are connect with the sub- equipment of the content reception, are used for the maximum target in the closed operation
The region occupied in processing image is as the corresponding object region of closed operation processing image.
In the enhanced tomography scanner: in the content detection equipment, the sub- equipment difference of grade analysis
It exports sub- equipment with the sub- equipment of the Target Segmentation and the data to connect, for executing gray scale point to the object region
Cloth dispersion degree grade analysis, to obtain corresponding instant dispersion degree grade.
In the enhanced tomography scanner: the dispersion degree processing equipment is also used to receiving second control signal
When, using closed operation processing image as dispersion degree processing image output.
In the enhanced tomography scanner, further includes:
First analyzing device and the second analyzing device, be located at the dispersion degree processing equipment and the structure acquisition equipment it
Between.
In the enhanced tomography scanner: first analyzing device is connect with the dispersion degree processing equipment, is used
Image is handled in receiving the dispersion degree, each object in the dispersion degree processing image is identified, each object is accounted for
It is sorted from small to large according to each area ratio of dispersion degree processing image, the multiple objects of area ratio rearward is grabbed
It takes and exports.
In the enhanced tomography scanner: second analyzing device acquires equipment and described with the structure respectively
The connection of first analyzing device, is analyzed for the entropy to image-region where each object；
Wherein, second analyzing device is also used to using the smallest image-region of entropy as high value image-region to replace
It changes dispersion degree processing image and exports and give structure acquisition equipment；
Wherein, first analyzing device includes that the sub- equipment of Object identifying, the sub- equipment of areal analysis and sequence output are set
It is standby.
In the enhanced tomography scanner: in first analyzing device, the dispersion degree processing image is made an uproar
Sound type is more, and the quantity of the multiple objects of the area ratio of crawl rearward is more；
Wherein, second analyzing device is a MCU chip, for the entropy to image-region where each object into
Row analysis.
In addition, MCU can be divided into no piece two kinds of ROM type in ROM type and strap by its type of memory.For in no piece
The chip of ROM type, it is necessary to which external EPROM could apply (typical chip 8031).The chip of ROM type is divided into piece again in strap
Mask rom type (typical chip 8051), in-chip FLASH type (typical core in EPROM type (typical chip 87C51), MASK piece
Piece is 89C51) etc. types, some companies also release with one time programming ROM in piece (One Time Programming,
OTP chip (typical chip 97C51)).The MCU of MASKROM is cheap, but program has been cured when leaving the factory, is suitble to
The changeless application of program；The MCU program of FLASH ROM can be repeatedly erasable, and flexibility is very strong, but price is higher,
It is suitble to the application insensitive to price or does exploitation purposes；The MCU price of OTPROM is gathered around again between the above two
Once property programmability is suitble to not only require natural active, but also requires the application of low cost, and especially function is continuous
Renovate, need the electronic product of rapid volume production.
Using enhanced tomography scanner of the invention, not for tomography scanner auto-adaptive controling ability in the prior art
The technical problem of foot determines the structure type of Current Scan by using customization image procossing mechanism, and based on Current Scan
Structure type determines corresponding continuous scanning number；More importantly being also less than in the instant dispersion degree grade of image pre-
If executing circulating histogram equalization when grade threshold to image and handling, until the i.e. time-division of acquisition treated image
Divergence grade is more than predetermined level threshold value.
It is understood that although the present invention has been disclosed in the preferred embodiments as above, above-described embodiment not to
Limit the present invention.For any person skilled in the art, without departing from the scope of the technical proposal of the invention,
Many possible changes and modifications all are made to technical solution of the present invention using the technology contents of the disclosure above, or are revised as
With the equivalent embodiment of variation.Therefore, anything that does not depart from the technical scheme of the invention are right according to the technical essence of the invention
Any simple modifications, equivalents, and modifications made for any of the above embodiments still fall within the range of technical solution of the present invention protection
It is interior.
Claims (10)
1. a kind of enhanced tomography scanner, the scanner include:
X bulb, including anode, cathode, vacuum tube, shell and protective cover, the vacuum tube, the anode and the cathode all positions
In in the shell.
2. enhanced tomography scanner as described in claim 1, it is characterised in that:
In the X bulb, the anode and the cathode are oppositely arranged, and the protective cover is arranged except the shell.
3. enhanced tomography scanner as claimed in claim 2, it is characterised in that:
In the X bulb, the shell is cast by cermet material, for guaranteeing freedom of the electronics in vacuum tube
Accelerate.
4. enhanced tomography scanner as claimed in claim 3, which is characterized in that the scanner further include:
Quantity set device for receiving current structure type, and determines continuous scanning corresponding with the current structure type
Number；
Closed operation processing equipment executes at closing operation for receiving scanning imagery image, and to the scanning imagery image
Reason, to obtain closed operation processing image；
Content detection equipment is connect with the closed operation processing equipment, for detecting the maximum in the closed operation processing image
Target, the region that the maximum target is occupied in closed operation processing image are corresponding as closed operation processing image
Object region, to the object region execute intensity profile dispersion degree grade analysis, with obtain it is corresponding immediately
Dispersion degree grade, and export the instant dispersion degree grade；
Signal distinguishing equipment is connect with the content detection equipment, is for receiving the instant dispersion degree grade, and described
When dispersion degree grade issue first control signal when being less than predetermined level threshold value, and it is super in the instant dispersion degree grade
When crossing predetermined level threshold value, second control signal is issued；
Dispersion degree processing equipment is connect, for receiving respectively with the signal distinguishing equipment and the content detection equipment
When first control signal, circulating histogram equalization is executed to closed operation processing image and is handled, until the processing of acquisition
The instant dispersion degree grade of image afterwards is more than predetermined level threshold value, and will acquire that treated image is handled as dispersion degree
Image output；
Structure acquires equipment, connect respectively with the frame number set device and the dispersion degree processing equipment, for described point
Divergence handles the Scan Architecture in image and carries out outline identification, with the corresponding current structure type of determination, and exports described current
Structure type；
Wherein, the content detection equipment includes the sub- equipment of content reception, the sub- equipment of Target Segmentation, the sub- equipment sum number of grade analysis
According to the sub- equipment of output；
Wherein, in the content detection equipment, the sub- equipment of content reception is for receiving the closed operation processing image, institute
It states the sub- equipment of Target Segmentation to connect with the sub- equipment of the content reception, scheme for handling the maximum target in the closed operation
The region occupied as in is as the corresponding object region of closed operation processing image.
5. enhanced tomography scanner as claimed in claim 4, it is characterised in that:
In the content detection equipment, the sub- equipment of grade analysis respectively with the sub- equipment of the Target Segmentation and the data
Sub- equipment connection is exported, it is corresponding to obtain for executing intensity profile dispersion degree grade analysis to the object region
Instant dispersion degree grade.
6. enhanced tomography scanner as claimed in claim 5, it is characterised in that:
The dispersion degree processing equipment is also used to when receiving second control signal, using the closed operation processing image as divide
Divergence handles image output.
7. enhanced tomography scanner as claimed in claim 6, which is characterized in that the scanner further include:
First analyzing device and the second analyzing device are located between the dispersion degree processing equipment and structure acquisition equipment.
8. enhanced tomography scanner as claimed in claim 7, it is characterised in that:
First analyzing device is connect with the dispersion degree processing equipment, for receiving the dispersion degree processing image, identification
Each object in the dispersion degree processing image occupies each area of the dispersion degree processing image to each object
Ratio is sorted from small to large, and the multiple objects of area ratio rearward are grabbed and exported.
9. enhanced tomography scanner as claimed in claim 8, it is characterised in that:
Second analyzing device acquires equipment with the structure respectively and first analyzing device is connect, for each
The entropy of image-region is analyzed where object；
Wherein, second analyzing device is also used to using the smallest image-region of entropy as high value image-region to replace
State dispersion degree processing image export give the structure acquisition equipment；
Wherein, first analyzing device includes that the sub- equipment of Object identifying, the sub- equipment of areal analysis and sequence export sub- equipment.
10. enhanced tomography scanner as claimed in claim 9, it is characterised in that:
In first analyzing device, the noise type of the dispersion degree processing image is more, and the area ratio of crawl is rearward
Multiple objects quantity it is more；
Wherein, second analyzing device is a MCU chip, is divided for the entropy to image-region where each object
Analysis.
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| CN201811492748.2A CN109596645A (en) | 2018-12-07 | 2018-12-07 | Enhanced tomography scanner |
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| CN201811492748.2A CN109596645A (en) | 2018-12-07 | 2018-12-07 | Enhanced tomography scanner |
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