CN109567851A - Self-adapting type gamma-rays CT machine - Google Patents
Self-adapting type gamma-rays CT machine Download PDFInfo
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- CN109567851A CN109567851A CN201811498334.0A CN201811498334A CN109567851A CN 109567851 A CN109567851 A CN 109567851A CN 201811498334 A CN201811498334 A CN 201811498334A CN 109567851 A CN109567851 A CN 109567851A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/02—Devices for diagnosis sequentially in different planes; Stereoscopic radiation diagnosis
- A61B6/03—Computerised tomographs
- A61B6/032—Transmission computed tomography [CT]
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/52—Devices using data or image processing specially adapted for radiation diagnosis
- A61B6/5205—Devices using data or image processing specially adapted for radiation diagnosis involving processing of raw data to produce diagnostic data
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B6/00—Apparatus for radiation diagnosis, e.g. combined with radiation therapy equipment
- A61B6/54—Control of apparatus or devices for radiation diagnosis
- A61B6/545—Control of apparatus or devices for radiation diagnosis involving automatic set-up of acquisition parameters
Abstract
The present invention relates to a kind of self-adapting type gamma-rays CT machines, comprising: gravimetric analysis equipment, for measuring the weight for the human body that lies down, to obtain corresponding instant human body weight;Ray adjusts equipment, and for determining gamma-ray emissive porwer corresponding with instant human body weight, to carry out corresponding emissive porwer adjustment to gamma ray projector, instant human body weight is bigger, and the corresponding gamma-ray emissive porwer determined is stronger;Scanning probe equipment, is oppositely arranged with gamma ray projector, for receiving the gamma-rays through patient's body and carrying out scanning probe and image reconstruction, to obtain current reconstruction image;Data conversion equipment when for transfiniting in the whole fuzziness received, issues first triggering command, otherwise, issues the second triggering command;Scanning probe equipment is used for when receiving first triggering command, and the spatial resolution of the current reconstruction image of its image reconstruction is adjusted based on whole fuzziness.Through the invention, it ensure that the clarity of gamma-rays imaging.
Description
Technical field
The present invention relates to gamma-rays CT machine field more particularly to a kind of self-adapting type gamma-rays CT machines.
Background technique
Gamma-rays CT machine has extremely strong penetrating power.When human body is irradiated by gamma-rays, gamma-rays can enter people
The inside of body, and ionization occurs with internal cell, the ion for ionizing generation can corrode complicated organic molecule, such as albumen
Matter, nucleic acid and enzyme, they are that the main ingredient of composition living cell tissue will lead in human body once they are destroyed
Normal chemical process be interfered, it is serious to make cell death.
Summary of the invention
In order to solve current gamma-rays CT machine clarity can not effective guarantee the technical issues of, the present invention provides it is a kind of from
Adaptive type gamma-rays CT machine detects the whole fuzziness of treated image on the basis of specific aim image procossing,
And when whole fuzziness transfinites, carry out that image reconstruction is obtained to work as based on the whole fuzziness adjustment scanning probe equipment
The spatial resolution of preceding reconstruction image, to ensure that gamma-ray scanning imagery effect;Meanwhile in the instant dispersion degree of image
When grade is less than predetermined level threshold value, circulating histogram equalization is executed to image and is handled, until treated for acquisition
The instant dispersion degree grade of image is more than predetermined level threshold value.
According to an aspect of the present invention, a kind of self-adapting type gamma-rays CT machine is provided, the CT machine includes:
Gravimetric analysis equipment, for measuring the weight for the human body that lies down, to obtain and export corresponding instant human body weight;It penetrates
Line adjusts equipment, connect respectively with the gravimetric analysis equipment and the gamma ray projector, for receiving the instant human body weight,
And determining gamma-ray emissive porwer corresponding with the instant human body weight, to be emitted accordingly the gamma ray projector
Intensity adjustment;In ray adjustment equipment, the instant human body weight is bigger, and the corresponding gamma-ray transmitting determined is strong
It spends stronger;Scanning probe equipment is oppositely arranged with the gamma ray projector, for receiving the gamma-rays and the progress that penetrate patient's body
Scanning probe and image reconstruction, to obtain current reconstruction image;Data conversion equipment connect with fuzziness identification equipment, uses
In when the whole fuzziness received transfinites, first triggering command is issued, otherwise, issues the second triggering command;The scanning
Detecting devices is connect with the data conversion equipment, for when receiving the first triggering command, being based on the whole mould
Paste degree adjusts the spatial resolution of the current reconstruction image of its image reconstruction;Closed operation processing equipment is set with the scanning probe
Standby connection executes closing operation processing for receiving the current reconstruction image, and to the current reconstruction image, to obtain
Closed operation handles image;Content detection equipment is connect with the closed operation processing equipment, for detecting the closed operation processing figure
Maximum target as in, using the maximum target in the closed operation processing image region that occupies as the closed operation at
The corresponding object region of image is managed, intensity profile dispersion degree grade analysis is executed to the object region, to obtain
Corresponding instant dispersion degree grade, and export the instant dispersion degree grade;Signal distinguishing equipment, with the content detection equipment
Connection, for receiving the instant dispersion degree grade, and when the instant dispersion degree grade is less than predetermined level threshold value, hair
First control signal out, and when the instant dispersion degree grade is more than predetermined level threshold value, issue second control signal;Point
Divergence processing equipment is connect with the signal distinguishing equipment and the content detection equipment respectively, for receiving the first control
When signal processed, circulating histogram equalization is executed to closed operation processing image and is handled, until acquisition treated figure
The instant dispersion degree grade of picture is more than predetermined level threshold value, and as dispersion degree to handle image defeated for the image that will acquire that treated
Out;Fuzziness identifies equipment, connect with the dispersion degree processing equipment, for receiving the dispersion degree processing image, and to institute
It states dispersion degree processing image and executes each subregional each fuzziness identification, and based on described each subregional each
Fuzziness determines the whole fuzziness of corresponding dispersion degree processing image;Wherein, in the scanning probe equipment, the entirety
Fuzziness is higher, and the spatial resolution of the current reconstruction image of its image reconstruction of adjustment is higher.
More specifically, in the self-adapting type gamma-rays CT machine: described each equal in fuzziness identification equipment
Subregion is to handle image to the dispersion degree to carry out being evenly dividing each region obtained.
More specifically, in the self-adapting type gamma-rays CT machine: the content detection equipment includes that content reception is set
Standby, the sub- equipment of Target Segmentation, the sub- equipment of grade analysis and data export sub- equipment.
More specifically, in the self-adapting type gamma-rays CT machine: in the content detection equipment, the content reception
Sub- equipment is connect for receiving the closed operation processing image, the sub- equipment of Target Segmentation with the sub- equipment of the content reception,
Region for occupying the maximum target in closed operation processing image is corresponding as closed operation processing image
Object region.
More specifically, in the self-adapting type gamma-rays CT machine: in the content detection equipment, the grade analysis
Sub- equipment exports sub- equipment with the sub- equipment of the Target Segmentation and the data respectively and connect, for the object region
Intensity profile dispersion degree grade analysis is executed, to obtain corresponding instant dispersion degree grade;Wherein, the dispersion degree processing equipment
It is also used to when receiving second control signal, using closed operation processing image as dispersion degree processing image output.
More specifically, in the self-adapting type gamma-rays CT machine, further includes:
Histogram equalization equipment is connect with the scanning probe equipment, for receiving the current reconstruction image, to described
Current reconstruction image executes histogram equalization processing, to obtain corresponding balanced image;Region segmentation equipment, it is described for detecting
The area of the maximum target of balanced image, the area based on the maximum target carry out the region of average formula to the balanced image
Segmentation, to obtain corresponding multiple images region.
More specifically, in the self-adapting type gamma-rays CT machine, further includes:
Mean square deviation extract equipment is connect with the region segmentation equipment, for carrying out in it to each image-region
The mean square deviation of each pixel value of each pixel calculates, and to obtain corresponding region mean square deviation, and by region mean square deviation is more than
Each image-region of mean deviation threshold is exported as each pending region;First object processing equipment is closed with described respectively
Calculation process equipment is connected with the mean square deviation extract equipment, for executing dynamic range expansion to each pending region
Processing, to obtain corresponding each range expansion area, and integrally replaces the current weight for each range expansion area
It builds image and is sent to the closed operation processing equipment.
More specifically, in the self-adapting type gamma-rays CT machine, further includes:
FLASH flash memory is connect with the mean square deviation extract equipment, for the mean deviation threshold to be stored in advance, in institute
The mean deviation threshold is sent to the mean square deviation extract equipment when stating the starting of mean square deviation extract equipment;Wherein, the FLASH
Flash memory is also connect with the region segmentation equipment, is carried out for storing the area based on the maximum target to the balanced image
The region segmentation of average formula corresponding multiple images region obtained.
More specifically, in the self-adapting type gamma-rays CT machine: the region segmentation equipment includes target analysis unit
And area measurement unit, the target analysis unit are connect with the area measurement unit;Wherein, in the region segmentation equipment
In, it includes: the maximum target that the area based on the maximum target, which carries out the region segmentation of average formula to the balanced image,
Area it is bigger, the area for the image-region obtained for carrying out region segmentation to the balanced image is bigger.
Detailed description of the invention
Embodiment of the present invention is described below with reference to attached drawing, in which:
Fig. 1 is the operation schematic diagram according to the self-adapting type gamma-rays CT machine shown in embodiment of the present invention.
Specific embodiment
The embodiment of self-adapting type gamma-rays CT machine of the invention is described in detail below with reference to accompanying drawings.
Gamma-rays CT machine generates the new core that radionuclide generates after alpha-decay, β decay occurs and is often in high-energy
Grade, will give off γ photon to low energy order transition.Nuclear decay and nuclear reaction can produce gamma-rays.It is shorter than for wavelength
0.2 angstrom of electromagnetic wave.Gamma-ray wavelength is shorter than X-ray, so gamma-rays has the penetration capacity also more eager to excel in whatever one does than X-ray.
Gamma ray is the very high electromagnetic wave photon of frequency.Gamma ray does not have charge and rest mass, therefore has compared with α
Particle and the weak ionizing power of β particle.Gamma ray has extremely strong penetration capacity and has high-energy.
In order to overcome above-mentioned deficiency, the present invention has built a kind of self-adapting type gamma-rays CT machine, can effectively solve the problem that corresponding
The technical issues of.
Fig. 1 is the operation schematic diagram according to the self-adapting type gamma-rays CT machine shown in embodiment of the present invention, wherein 1 is
Control assembly, 2 be CT machine, and 3 be shield, and the CT machine includes:
Gravimetric analysis equipment, for measuring the weight for the human body that lies down, to obtain and export corresponding instant human body weight;
Ray adjusts equipment, connect respectively with the gravimetric analysis equipment and the gamma ray projector, for described in receiving i.e.
When human body weight, and determining gamma-ray emissive porwer corresponding with the instant human body weight, with to the gamma ray projector into
The corresponding emissive porwer adjustment of row;
In ray adjustment equipment, the instant human body weight is bigger, and the corresponding gamma-ray transmitting determined is strong
It spends stronger;
Scanning probe equipment is oppositely arranged with the gamma ray projector, for receive penetrate patient's body gamma-rays go forward side by side
Row scanning probe and image reconstruction, to obtain current reconstruction image;
Data conversion equipment is connect with fuzziness identification equipment, when for transfiniting in the whole fuzziness received, is issued
Otherwise first triggering command issues the second triggering command;
The scanning probe equipment is connect with the data conversion equipment, for receiving the first triggering command
When, the spatial resolution of the current reconstruction image of its image reconstruction is adjusted based on the whole fuzziness;
Closed operation processing equipment is connect with the scanning probe equipment, for receiving the current reconstruction image, and to institute
It states current reconstruction image and executes closing operation 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;
Fuzziness identifies equipment, connect with the dispersion degree processing equipment, for receiving the dispersion degree processing image, and
Each subregional each fuzziness identification is executed to dispersion degree processing image, and based on described each subregional
Each fuzziness determines the whole fuzziness of corresponding dispersion degree processing image;
Wherein, in the scanning probe equipment, the entirety fuzziness is higher, the current weight of its image reconstruction of adjustment
The spatial resolution for building image is higher.
Then, continue that the specific structure of self-adapting type gamma-rays CT machine of the invention is further detailed.
In the self-adapting type gamma-rays CT machine: in fuzziness identification equipment, each equal subregion is
Dispersion degree processing image is carried out being evenly dividing each region obtained.
In the self-adapting type gamma-rays CT machine: the content detection equipment includes the sub- equipment of content reception, target point
It cuts the sub- equipment of sub- equipment, grade analysis and data exports sub- equipment.
In the self-adapting type gamma-rays CT machine: 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.
In the self-adapting type gamma-rays CT machine: in the content detection equipment, the sub- equipment of grade analysis point
It does not export sub- equipment with the sub- equipment of the Target Segmentation and the data to connect, for executing gray scale to the object region
It is distributed dispersion degree grade analysis, to obtain corresponding instant dispersion degree grade;
Wherein, the dispersion degree processing equipment is also used to when receiving second control signal, and the closed operation is handled
Image is as dispersion degree processing image output.
In the self-adapting type gamma-rays CT machine, further includes:
Histogram equalization equipment is connect with the scanning probe equipment, for receiving the current reconstruction image, to described
Current reconstruction image executes histogram equalization processing, to obtain corresponding balanced image;
Region segmentation equipment, the area of the maximum target for detecting the balanced image, based on the maximum target
Area carries out the region segmentation of average formula to the balanced image, to obtain corresponding multiple images region.
In the self-adapting type gamma-rays CT machine, further includes:
Mean square deviation extract equipment is connect with the region segmentation equipment, for carrying out in it to each image-region
The mean square deviation of each pixel value of each pixel calculates, and to obtain corresponding region mean square deviation, and by region mean square deviation is more than
Each image-region of mean deviation threshold is exported as each pending region;
First object processing equipment is connect with the closed operation processing equipment and the mean square deviation extract equipment respectively, is used
In executing dynamic range expansion processing to each pending region, to obtain corresponding each range expansion area, and will
Each range expansion area integrally replaces the current reconstruction image and is sent to the closed operation processing equipment.
In the self-adapting type gamma-rays CT machine, further includes:
FLASH flash memory is connect with the mean square deviation extract equipment, for the mean deviation threshold to be stored in advance, in institute
The mean deviation threshold is sent to the mean square deviation extract equipment when stating the starting of mean square deviation extract equipment;
Wherein, the FLASH flash memory is also connect with the region segmentation equipment, for storing based on the maximum target
Area carries out the region segmentation corresponding multiple images region obtained of average formula to the balanced image.
In the self-adapting type gamma-rays CT machine: the region segmentation equipment includes target analysis unit and area measurement
Unit, the target analysis unit are connect with the area measurement unit;
Wherein, in the region segmentation equipment, the area based on the maximum target carries out the balanced image flat
The region segmentation of equal formula includes: that the area of the maximum target is bigger, carries out being obtained for region segmentation to the balanced image
Image-region area it is bigger.
In addition, FLASH flash memory is the one kind for belonging to memory devices in the region segmentation equipment.Flash memory is then a kind of
Non-volatile (Non-Volatile) memory also can muchly keep data under conditions of the supply of no electric current, store
Characteristic is equivalent to hard disk, this characteristic is exactly the basis for the storage medium that flash memory is able to as all kinds of pocket digital devices.
The storage unit of nand flash memory then uses serial structure, and the read-write of storage unit is to carry out (one page packet as unit of page and block
Containing several bytes, several pages then form block storage, and the storage block size of NAND is 8 to 32KB), this structure biggest advantage exists
It can be made very big in capacity, fairly common more than the NAND product of 512MB capacity, cost is relatively low for nand flash memory, is conducive to
It is extensive universal.
Using self-adapting type gamma-rays CT machine of the invention, for gamma-rays CT machine clarity can not be effective in the prior art
The technical issues of guarantee, detects the whole fuzziness of treated image on the basis of specific aim image procossing, and
When whole fuzziness transfinites, it is obtained current that image reconstruction is carried out based on the whole fuzziness adjustment scanning probe equipment
The spatial resolution of reconstruction image, to ensure that gamma-ray scanning imagery effect;Meanwhile in the instant dispersion degree etc. of image
Grade executes circulating histogram equalization to image and handles when being less than predetermined level threshold value, until acquisition treated figure
The instant dispersion degree grade of picture is more than predetermined level threshold value;To solve above-mentioned technical problem.
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 (9)
1. a kind of self-adapting type gamma-rays CT machine, the CT machine include:
Gravimetric analysis equipment, for measuring the weight for the human body that lies down, to obtain and export corresponding instant human body weight;
Ray adjusts equipment, connect respectively with the gravimetric analysis equipment and the gamma ray projector, for receiving the instant people
Body weight, and determining gamma-ray emissive porwer corresponding with the instant human body weight, to gamma ray projector progress phase
The emissive porwer adjustment answered;
In ray adjustment equipment, the instant human body weight is bigger, and the corresponding gamma-ray emissive porwer determined is got over
By force;
Scanning probe equipment is oppositely arranged with the gamma ray projector, for receiving the gamma-rays through patient's body and sweeping
Detection and image reconstruction are retouched, to obtain current reconstruction image;
Data conversion equipment is connect with fuzziness identification equipment, when for transfiniting in the whole fuzziness received, issues first
Otherwise triggering command issues the second triggering command;
The scanning probe equipment is connect with the data conversion equipment, for when receiving the first triggering command, base
The spatial resolution of the current reconstruction image of its image reconstruction is adjusted in the whole fuzziness;
Closed operation processing equipment is connect with the scanning probe equipment, is worked as receiving the current reconstruction image, and to described
Preceding reconstruction image executes closing operation processing, 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;
Fuzziness identifies equipment, connect with the dispersion degree processing equipment, for receiving the dispersion degree processing image, and to institute
It states dispersion degree processing image and executes each subregional each fuzziness identification, and based on described each subregional each
Fuzziness determines the whole fuzziness of corresponding dispersion degree processing image;
Wherein, in the scanning probe equipment, the entirety fuzziness is higher, the current reconstruction figure of its image reconstruction of adjustment
The spatial resolution of picture is higher.
2. self-adapting type gamma-rays CT machine as described in claim 1, it is characterised in that:
In fuzziness identification equipment, each equal subregion is to handle image to the dispersion degree to be evenly dividing
Each region obtained.
3. self-adapting type gamma-rays CT machine as claimed in claim 2, it is characterised in that:
The content detection equipment includes that the sub- equipment of content reception, the sub- equipment of Target Segmentation, the sub- equipment of grade analysis and data are defeated
Sub- equipment out.
4. self-adapting type gamma-rays CT machine as claimed in claim 3, it is characterised in that:
In the content detection equipment, the sub- equipment of content reception is for receiving the closed operation processing image, the mesh
Mark is divided sub- equipment and is connect with the sub- equipment of the content reception, for handling in image the maximum target in the closed operation
The region occupied is as the corresponding object region of closed operation processing image.
5. self-adapting type gamma-rays CT machine 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;
Wherein, the dispersion degree processing equipment is also used to when receiving second control signal, and the closed operation is handled image
As dispersion degree processing image output.
6. self-adapting type gamma-rays CT machine as claimed in claim 5, which is characterized in that the CT machine further include:
Histogram equalization equipment is connect with the scanning probe equipment, for receiving the current reconstruction image, to described current
Reconstruction image executes histogram equalization processing, to obtain corresponding balanced image;
Region segmentation equipment, the area of the maximum target for detecting the balanced image, the area based on the maximum target
The region segmentation of average formula is carried out, to the balanced image to obtain corresponding multiple images region.
7. self-adapting type gamma-rays CT machine as claimed in claim 6, which is characterized in that the CT machine further include:
Mean square deviation extract equipment is connect with the region segmentation equipment, each in it for carrying out to each image-region
The mean square deviation of each pixel value of pixel calculates, and to obtain corresponding region mean square deviation, and is more than square by region mean square deviation
Each image-region of poor threshold value is exported as each pending region;
First object processing equipment is connect with the closed operation processing equipment and the mean square deviation extract equipment respectively, for pair
Each pending region executes dynamic range expansion processing, to obtain corresponding each range expansion area, and will be described
Each range expansion area integrally replaces the current reconstruction image and is sent to the closed operation processing equipment.
8. self-adapting type gamma-rays CT machine as claimed in claim 7, which is characterized in that the CT machine further include:
FLASH flash memory is connect with the mean square deviation extract equipment, for the mean deviation threshold to be stored in advance, described equal
The mean deviation threshold is sent to the mean square deviation extract equipment when variance extract equipment starts;
Wherein, the FLASH flash memory is also connect with the region segmentation equipment, for storing the area based on the maximum target
The region segmentation corresponding multiple images region obtained of average formula is carried out to the balanced image.
9. self-adapting type gamma-rays CT machine as claimed in claim 8, it is characterised in that:
The region segmentation equipment includes target analysis unit and area measurement unit, the target analysis unit and the area
Measuring unit connection;
Wherein, in the region segmentation equipment, the area based on the maximum target carries out average formula to the balanced image
Region segmentation include: the maximum target area it is bigger, the figure obtained of region segmentation is carried out to the balanced image
As the area in region is bigger.
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CN108245182A (en) * | 2018-01-17 | 2018-07-06 | 江苏美伦影像系统有限公司 | A kind of intelligent digital DR systems with anticipation |
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US20070167784A1 (en) * | 2005-12-13 | 2007-07-19 | Raj Shekhar | Real-time Elastic Registration to Determine Temporal Evolution of Internal Tissues for Image-Guided Interventions |
CN101076131A (en) * | 2006-05-16 | 2007-11-21 | 致伸科技股份有限公司 | Method for judging fuzzy image |
CN104856717A (en) * | 2014-02-26 | 2015-08-26 | 西门子公司 | Patient-dependent optimization of the amount of contrast medium |
CN108245182A (en) * | 2018-01-17 | 2018-07-06 | 江苏美伦影像系统有限公司 | A kind of intelligent digital DR systems with anticipation |
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