CN107292816A - A kind of method for correcting image, system and computer readable medium - Google Patents
A kind of method for correcting image, system and computer readable medium Download PDFInfo
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- CN107292816A CN107292816A CN201710469730.XA CN201710469730A CN107292816A CN 107292816 A CN107292816 A CN 107292816A CN 201710469730 A CN201710469730 A CN 201710469730A CN 107292816 A CN107292816 A CN 107292816A
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- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000012937 correction Methods 0.000 claims abstract description 159
- 239000011159 matrix material Substances 0.000 claims abstract description 90
- 238000003702 image correction Methods 0.000 claims abstract description 10
- 238000012545 processing Methods 0.000 claims description 27
- 238000009877 rendering Methods 0.000 claims description 14
- 238000004590 computer program Methods 0.000 claims description 4
- 238000002595 magnetic resonance imaging Methods 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000002591 computed tomography Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 230000002452 interceptive effect Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003745 diagnosis Methods 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 230000011218 segmentation Effects 0.000 description 2
- 238000002604 ultrasonography Methods 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000013144 data compression Methods 0.000 description 1
- 238000013500 data storage Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 210000003141 lower extremity Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 210000002784 stomach Anatomy 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
Classifications
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T3/00—Geometric image transformations in the plane of the image
- G06T3/04—Context-preserving transformations, e.g. by using an importance map
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Abstract
The invention discloses a kind of method for correcting image, a kind of image correction system and a kind of computer readable medium of storage image bearing calibration.This method includes：Obtain view data；Determine whether the correction matrix related to described image data；When judging the not correction matrix related to described image data, according to view data, uncorrected image is generated；Described image is corrected, the image after generation correction；According to the image after non-correction chart picture and correction, the correction matrix is generated.When judging to have the correction matrix related to described image data, the correction matrix is obtained；According to the correction matrix and described image data, the image after generation correction.This method makes same or analogous image only by once correcting the display that can be achieved to repeat, it is to avoid repeats to correct, improves service efficiency.
Description
Technical field
It is more particularly to a kind of only to can be achieved to repeat to show by once correcting the present invention relates to a kind of method for correcting image
Method for correcting image, system and computer readable medium.
Background technology
During medical scanning, patient may it is long or ill sweep time due to, it is impossible to for a long time
Normal posture is maintained to be scanned.Rather than the image that normal posture scanning is scanned with normal posture may have relatively big difference, shadow
Ring judgement of the doctor to the state of an illness.Existing scheme would generally be carried out manual correction (such as rotation) by doctor to image, but right
In same image, each display again is required for doctor to re-start a manual correction, very inconvenient.
The content of the invention
In view of the above-mentioned problems, only can be achieved by once correcting present invention aims to same or analogous image
The display repeated.
To achieve the above object of the invention, the technical scheme that the present invention is provided is as follows：
A kind of method for correcting image, it is characterised in that including：Obtain view data；Determine whether and described image number
According to related correction matrix；When judging the not correction matrix related to described image data, according to view data, generation
Uncorrected image；And described image is corrected, the image after generation correction.
In the present invention, when judging to have the correction matrix related to described image data, the correction matrix is obtained；
And according to the correction matrix and described image data, the image after generation correction.
In the present invention, described image is corrected, after the image after generation correction, according to non-correction chart picture and school
Image after just, generates correction matrix.
In the present invention, the non-correction chart picture of the basis and the image after correction, generating the correction matrix includes：Obtain
One or more mark points on image after the non-correction chart picture and the correction；And according to one or more of marks
The corresponding relation of point is noted, the correction matrix is generated.
In the present invention, the non-correction chart picture of the basis and the image after correction, generating the correction matrix includes：By institute
State the image after non-correction chart picture and the correction and carry out registration；And the correction matrix is generated according to registration result.
In the present invention, the correction includes：Segmentation, scaling, displacement, rotation, cutting, filtering, toning, average or flat
It is sliding.
In the present invention, described image data are medical image datas.
In the present invention, the medical image data includes：PET-CT view data, DR view data, CT view data,
MRI image data, US view data, PET image data or PET-MRI view data.
In the present invention, described according to view data, generating the method for uncorrected image includes multiplanar reconstruction
(multiplanar reformatting, MPR), Volume rendering (volume rendering, VR), many plane Volume renderings
(multiplanar volume rendering, MPVR), curve reestablishing (curved planar reformatting, CPR),
MIP (maximum intensity projection, MIP) or shaded surface method (shaded surface
display,SSD)。
In the present invention, methods described further comprises that the image array to the generation puts on sequence number.
In the present invention, it is described determine whether the correction matrix related to described image data comprised determining whether with
The related sequence number of described image data.
In the present invention, sequence number of the Serial No. based on dicom standard.
In the present invention, methods described further comprises：Obtain standard picture template；And according to the figure after the correction
Picture and the standard picture template, generate standard picture correction matrix.
Invention further discloses a kind of image correction system.The system can include scanning device and processing equipment.This is swept
View data can be obtained by retouching equipment.The processing equipment can decide whether the correction matrix related to described image data；
When judging the not correction matrix related to described image data：The processing equipment can be generated according to view data
Uncorrected image；And described image is corrected, the image after generation correction；Judging have and described image data
During the correction matrix of correlation：The processing equipment obtains the correction matrix；And according to the correction matrix and described image
Data, the image after generation correction.
Invention further discloses the permanent computer-readable medium that one has computer program, the computer program bag
Instruction is included, the instruction can be realized a kind of method by least one computing device, methods described includes：Obtain view data；
Determine whether the correction matrix related to described image data；Judging correction square not related to described image data
During battle array：According to view data, uncorrected image is generated；And described image is corrected, the image after generation correction；
When judging to have the correction matrix related to described image data：Obtain the correction matrix；And according to the correction matrix
With described image data, the image after generation correction.
Brief description of the drawings
Fig. 1 is a kind of schematic diagram of the image correction system provided according to the present invention；
Fig. 2 is a kind of flow chart of the image rectification provided according to the present invention；
Fig. 3 is a kind of flow chart of the generation correction matrix provided according to the present invention.
Fig. 1 is marked：110 be scanning device, and 120 be processing equipment, and 130 be network, and 140 be storage device, and 150 be display
Equipment.
Embodiment
In order to illustrate more clearly of the technical scheme of embodiments herein, below by specific embodiment and with reference to accompanying drawing
The present invention is described further.
As shown in figure 1, image correction system 100 can include scanning device 110, processing equipment 120, storage device 140
With display device 150.Each equipment can be interconnected or communicated by network 130 in described image correction system 100.
Scanning device 110 can be scanned to an object.The object can be object, human body, organ, tissue
Deng.The scanning device can be a medical image equipment.In certain embodiments, the scanning device 110 can be magnetic
Resonance imager (magnetic resonance imaging, MRI), computed tomographic scanner (computed
Tomography, CT), positron e mission computed tomography instrument (positron emission computed
Tomography, PET), B ultrasound instrument (b-scan ultrasonography), hot OCT (Thermal texture
Maps, TTM), medical electronic endoscope (medical electronic endoscope, MEE) etc..In certain embodiments,
The scanning device 110 can also be the combination of above-mentioned plurality of devices, such as PET-CT scanners, PET-MRI scanners etc..Scanning
Equipment 110 can produce view data corresponding with the object after scanning.Further, scanning device 110 will can be obtained
View data sent by network 130 to processing equipment 120, storage device 140 or display device 150.
Processing equipment 120 can be handled view data.Described image data can be scanned by scanning device 110
Obtain, can also be obtained from storage device 140.In certain embodiments, view data can be the solution for representing sweep object
Cut open and/or function information two dimension or 3 d image data.The processing can include rebuilding view data generating
Image.The method of the reconstruction can include but is not limited to multiplanar reconstruction (multiplanar reformatting, MPR),
Volume rendering (volume rendering, VR), many plane Volume renderings (multiplanar volume rendering,
MPVR), curve reestablishing (curved planar reformatting, CPR), MIP (maximum intensity
Projection, MIP), one or more combinations in shaded surface method (shaded surface display, SSD) etc..
The processing can also include being corrected processing to the image of view data or generation.The correction process can include dividing
Cut, scale, it is displacement, rotation, cutting, filtering, toning, average, smooth etc..In certain embodiments, processing equipment 120 can be right
The view data of acquisition is pre-processed.The pretreatment can include down-sampled, data compression etc..In certain embodiments,
Processing equipment 120 can generate a correction matrix according to the image after uncorrected image and correction.The correction matrix can
To represent a change procedure or corresponding relation.The correction matrix can be sent to storage device 140 by processing equipment 120
Row storage.
Network 130 can be the connected mode of any two or more equipment of connection.For example, network 130 can be wired
Network or wireless network.In certain embodiments, network 130 can be the combination of single network or multiple network.
For example, the network 130 can include LAN, wide area network, common network, dedicated network, WLAN, virtual network,
One or more of combinations in public phone network etc..Each module in image correction system 100 can be by connecting network
130, realize the interaction of information.
Storage device 140 can be with data storage and/or information.For example, storage device 140 can store scanning device 110
The view data of generation, can also store image that processing equipment 120 rebuild or the correction matrix of generation, can also store aobvious
Show user's input or instruction that equipment 150 is received.In certain embodiments, storage device 140 can be local storage, outside
The storage connect, cloud storage etc..
Display device 150 can be used for being shown image.The display device 150 can include display screen, touch
Screen etc..In certain embodiments, the display device 150 can include an interactive interface, and the interactive interface can receive use
Family or the input of doctor.In certain embodiments, the display device 150 can include input equipment, such as touch pad, touch
Touch screen, mouse, keyboard, microphone etc..The input of user can be sent to processing equipment 120 and be handled by display device 150
Or transmission to storage device 140 is stored.
In certain embodiments, display device 150 can show an image, and user can pass through the interactive interface pair
The image is corrected (for example, being rotated or displacement).Display device 150 can be by after the correct operation of user and correction
Image send to processing equipment 120.Processing equipment 120 can pass through display device 150 according to uncorrected image and user
Image (or image after the correction of processing equipment 120) one correction matrix of generation after correction.The correction matrix can represent one
The change procedure or corresponding relation of individual image.The correction matrix can be stored in storage device 140.In same or analogous figure
As needing when display, it can be changed according to the correction matrix with the direct image formed after correction.Specific correction
Matrix formation and the method called may be referred to the description of other parts of the present invention.For example, may be referred to Fig. 2 and its description.
Fig. 2 is a kind of flow chart of the image rectification provided according to the present invention.In certain embodiments, flow 200 can be with
Realized by processing equipment 120.In step 210, view data can be obtained.The view data can pass through scanning device
110 obtain, and can also be obtained from storage device 140.
In a step 220, it can be determined that whether have in the equipment (for example, storage device 140) of image correction system 100 with
The related correction matrix of described image data.If the correction matrix, then step 250 is performed；Otherwise, then step is performed
230.In certain embodiments, if the determination requirement for having the correction matrix related to described image data can be judged whether
Have identical with described image data, similar or belong to same type or the correction matrix with position with described image data.
More specifically, image correction system 100 can put on sequence number when obtaining or generating correction matrix to correction matrix, enter
And the judgement for whether having a correction matrix related to described image data can judge storage device 140 or network 130
In whether have the correction matrix of same or similar sequence number.The sequence number can be sequence number general or common in industry,
Such as based on digital imaging and communications in medicine (Digital imaging and Communications in Medicine,
DICOM the sequence number that sequence number or the inside of image correction system 100) is used.In certain embodiments, a school
Positive matrices can correspond to the multiple images (i.e. multiple images likely correspond to same image sequence) of single pass acquisition and fit
Correction for multiple images.For example, after the correction matrix of an image is obtained, it is corresponding in same correction matrix
Multiple images the correction matrix can also be used to be corrected, such as simultaneously carry out go bed, rotation, window width and window level adjustment school
Positive processing.In certain embodiments, a correction matrix likely corresponds to some specific position, the head of such as patient, chest
Portion, upper limbs, lower limb, stomach etc..If generating the correction matrix of the privileged site of some patient, the identical portions of other patients
The correction of position can also use the correction matrix.Similar deformation will not be repeated here in the protection domain of the application.
In step 230, image can be generated according to view data.For example, can be directly reconstructed according to view data
Image.Described image rebuild method can include but is not limited to multiplanar reconstruction (multiplanar reformatting,
MPR), Volume rendering (volume rendering, VR), many plane Volume rendering (multiplanar volume
Rendering, MPVR), curve reestablishing (curved planar reformatting, CPR), MIP (maximum
Intensity projection, MIP), one kind in shaded surface method (shaded surface display, SSD) etc. or
A variety of combinations.In certain embodiments, the image after the reconstruction may not be corrected or there are problems that, such as out of alignment
Really, poor direction is true, size is incorrect, be off color really, comprising unnecessary object, comprising artifact etc..
In step 240, can it not corrected or image of problems is corrected to described.The correction process can be with
Including segmentation, scaling, displacement, rotation, cutting, filtering, toning, average, smooth etc..The correction process can be led to by user
Cross the input of display device 150 or voluntarily being generated by processing equipment 120, or the combination of the two.
In step 250, correction matrix can be obtained.In certain embodiments, first time school is being carried out to an image
The correction matrix can be generated according to the image after non-correction chart picture and correction after just.Subsequently need show the image when
Time can directly obtain the correction matrix without regenerating.The method of correction matrix generation may refer to walk in Fig. 3
Rapid 330 and its description.
In step 260, the image after correction can be automatically generated according to the correction matrix and view data.At some
In embodiment, uncorrected image can be first generated further according to the image after uncorrected image and correction matrix generation correction.
In certain embodiments, the image after directly being corrected according to view data and correction matrix.In certain embodiments,
Image after correction can be shown by display device 150, so that doctor need not carry out manual correction to non-correction chart picture,
The diagnosis time is saved, while improving quality of diagnosis.
Fig. 3 is a kind of flow chart of the generation correction matrix provided according to the present invention.In certain embodiments, flow 300
It can be realized by processing equipment 120.Step 310 and step 320 are corresponding with step 230 and step 240 respectively, no longer go to live in the household of one's in-laws on getting married herein
State.In certain embodiments, flow 300 can be combined with flow 200, for example, step 330 can be held after step 240 in fig. 2
OK.
In a step 330, correction matrix can be generated according to the image after uncorrected image and correction.In some realities
Apply in example, can uncorrected image with correction after image on several corresponding mark points are set respectively.The mark
Point can be located at edge, summit, center, center of gravity of image after the uncorrected image and correction etc..According to uncorrected
Position a little or the corresponding relation of angle are marked on image after image and correction, the correction matrix can be generated.At some
In embodiment, the image after correction and non-correction chart picture can be carried out registration to generate the correction matrix.Optionally, can be with
Obtain a standard picture template.The standard picture template can be the orientation and size in associated picture region for average value or
Close to the template of major part image.The standard picture template can be registering with the image progress after the correction to generate standard
Image rectification matrix.Based on correction matrix, the image after non-correction chart picture and correction can be changed mutually.For example, non-correction chart
The pixel value of picture is multiplied by the pixel value for the image that correction matrix is equal to after correction.Image after non-correction chart picture or correction can also
The image of normal orientation and size is converted to according to the standard picture correction matrix.
Being preferable to carry out for the present invention is the foregoing is only, is not intended to limit the invention, for the technology of this area
For personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of method for correcting image, it is characterised in that including：
Obtain view data；
Determine whether the correction matrix related to described image data；
When judging the not correction matrix related to described image data：
According to view data, uncorrected image is generated；And
Described image is corrected, the image after generation correction；
When judging to have the correction matrix related to described image data：
Obtain the correction matrix；And
According to the correction matrix and described image data, the image after generation correction.
2. method for correcting image according to claim 1, it is characterised in that judge not with described image data phase
During the correction matrix of pass, further according to the image after the uncorrected image and correction, the correction matrix is generated.
3. method for correcting image according to claim 2, it is characterised in that the non-correction chart of basis as and correction after
Image, generating the correction matrix includes：
Obtain one or more mark points on the image after the non-correction chart picture and the correction；And
According to the corresponding relation of one or more of mark points, the correction matrix is generated.
4. method for correcting image according to claim 2, it is characterised in that the non-correction chart of basis as and correction after
Image, generating the correction matrix includes：
Image after the non-correction chart picture and the correction is subjected to registration；And
The correction matrix is generated according to registration result.
5. method for correcting image according to claim 1, it is characterised in that described image data include：PET-CT images
Data, DR view data, CT view data, MRI image data, US view data, PET image data or PET-MRI picture numbers
According to.
6. method for correcting image according to claim 1, it is characterised in that described according to view data, generation is not corrected
Image method include multiplanar reconstruction, Volume rendering, many plane Volume renderings, curve reestablishing, MIP or table
Face covering method.
7. method for correcting image according to claim 1, it is characterised in that further comprise：Image to the generation
Matrix puts on sequence number；And
It is described to determine whether that the correction matrix related to described image data includes：Determine whether and described image data phase
The sequence number of pass.
8. method for correcting image according to claim 1, it is characterised in that further comprise：
Obtain standard picture template；And
According to the image after the correction and the standard picture template, standard picture correction matrix is generated.
9. a kind of image correction system, it is characterised in that including：
Scanning device, the scanning device obtains view data；And
Processing equipment, the processing equipment determines whether the correction matrix related to described image data；
When judging the not correction matrix related to described image data：
The processing equipment generates uncorrected image according to view data；And
Described image is corrected, the image after generation correction；
When judging to have the correction matrix related to described image data：
The processing equipment obtains the correction matrix；And
According to the correction matrix and described image data, the image after generation correction.
10. a permanent computer readable medium for having computer program, the computer program includes instruction, the instruction can
By at least one computing device to realize a kind of method, methods described includes：
Obtain view data；
Determine whether the correction matrix related to described image data；
When judging the not correction matrix related to described image data：
According to view data, uncorrected image is generated；And
Described image is corrected, the image after generation correction；
When judging to have the correction matrix related to described image data：
Obtain the correction matrix；And
According to the correction matrix and described image data, the image after generation correction.
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| CN201710469730.XA CN107292816B (en) | 2017-06-20 | 2017-06-20 | Image correction method, system and computer readable medium |
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| CN201710469730.XA CN107292816B (en) | 2017-06-20 | 2017-06-20 | Image correction method, system and computer readable medium |
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| CN104811688A (en) * | 2014-01-28 | 2015-07-29 | 聚晶半导体股份有限公司 | Image acquisition device and image deformation detection method thereof |
| CN105260733A (en) * | 2015-09-11 | 2016-01-20 | 北京百度网讯科技有限公司 | Method and device for processing image information |
-
2017
- 2017-06-20 CN CN201710469730.XA patent/CN107292816B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6016168A (en) * | 1996-07-25 | 2000-01-18 | Samsung Electronics Co., Ltd. | Color correction device |
| CN101026675A (en) * | 2006-02-24 | 2007-08-29 | 佛山市顺德区顺达电脑厂有限公司 | Image correcting system and method for image access device |
| CN103792011A (en) * | 2014-01-27 | 2014-05-14 | 无锡艾立德智能科技有限公司 | Method and device for compensating for temperature drift through thermal infrared imager in a self-adaptation mode |
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