CN106683083A - Image processing method and device of anal sphincter and ultrasonic device - Google Patents
Image processing method and device of anal sphincter and ultrasonic device Download PDFInfo
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- CN106683083A CN106683083A CN201611196989.3A CN201611196989A CN106683083A CN 106683083 A CN106683083 A CN 106683083A CN 201611196989 A CN201611196989 A CN 201611196989A CN 106683083 A CN106683083 A CN 106683083A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
- G06T7/0012—Biomedical image inspection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/10—Image acquisition modality
- G06T2207/10132—Ultrasound image
- G06T2207/10136—3D ultrasound image
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/20—Special algorithmic details
- G06T2207/20004—Adaptive image processing
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T2207/00—Indexing scheme for image analysis or image enhancement
- G06T2207/30—Subject of image; Context of image processing
- G06T2207/30004—Biomedical image processing
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Abstract
Disclosed are an image processing method and a device of a anal sphincter and an ultrasonic device. The image processing method of the anal sphincter comprises obtaining 3D volume data of an inspector when in an anal contraction state, obtaining a multi-frame section plane image by a multi-plane imaging of the 3D volume data, and identifying the region of the internal anal sphincter and the region of the external anal sphincter in each frame according to a sonographic feature of the anal sphincter. The image processing method and a device of the anal sphincter and an ultrasonic device can recognize the form of the internal and external anal sphincter quickly and accurately.
Description
Technical field
The present embodiments relate to the technical field of ultrasonic device, more particularly to a kind of anal sphincter image processing method
And device, ultrasonic device.
Background technology
3 D ultrasonographic has the low advantage of reproducible, radiationless, cost, is the effective of assessment pelvic floor function at present
Approach.Anal sphincter injury is detected in many planes of three-D ultrasonic, typically by the way of several arrangements, areas imaging is from anus
Musculus sphincter ani internus lower section is arrived in sphincter top outdoors.Because each image area is smaller, not only bad for user's identification, and not
Can guarantee that the accuracy of manual measurement.If being identified and measuring under using single width or magnifying state in many planes, need
Many next state switchings are carried out to multiple image so that operation is more cumbersome.
The content of the invention
The purpose of the embodiment of the present invention is that proposition and a kind of anal sphincter image processing method and device, ultrasound set
Standby, it can automatically, exactly recognize the inside and outside sphincter of anus.
It is that, up to this purpose, the embodiment of the present invention uses following technical scheme：
In one embodiment it is proposed that a kind of anal sphincter image processing method, including：
Obtain three-dimensional volumetric data of the those who are investigated under contracting anus state；
Multiple plane imaging is carried out to the three-dimensional volumetric data, multiframe tangent plane picture is obtained；
Ultrasonographic manifestation identification according to anal sphincter is per the musculus sphincter ani internus region in frame tangent plane picture and anus
External sphincter area.
In one embodiment, the anus in every frame tangent plane picture according to the identification of the ultrasonographic manifestation of anal sphincter
The step of internal sphincter region, includes：
Area-of-interest is extracted from tangent plane picture, the area-of-interest includes anal tube, musculus sphincter ani internus and anus
External sphincter；
Binary conversion treatment is carried out to the tangent plane picture in the area-of-interest according to adaptive threshold；
Tangent plane picture after the binary conversion treatment is corroded successively and expansion process, included in the anus with obtaining
About flesh region.
In one embodiment, the anus in every frame tangent plane picture according to the identification of the ultrasonographic manifestation of anal sphincter
The step of external sphincter area, includes：
Image-region to musculus sphincter ani internus region preset range carries out contrast treatment, after obtaining treatment
Image；
Binary conversion treatment is carried out to the image after the treatment according to adaptive threshold；
Dilation erosion treatment is carried out to the image after binary conversion treatment, the external sphincter muscle of anus region is obtained.
In one embodiment it is proposed that a kind of anal sphincter image processing apparatus, including：
Acquisition module, for obtaining three-dimensional volumetric data of the those who are investigated under contracting anus state；
Multiple plane imaging module, for carrying out multiple plane imaging to the three-dimensional volumetric data, obtains multiframe tangent plane picture；
Identification module, for the ultrasonographic manifestation automatic identification according to anal sphincter per in the anus in frame tangent plane picture
Sphincter region and external sphincter muscle of anus region.
In one embodiment it is proposed that a kind of ultrasonic device, including：
Image collection module, obtains three-dimensional volumetric data of the those who are investigated under contracting anus state；
Image processing module, for carrying out multiple plane imaging to the three-dimensional volumetric data, obtains multiframe tangent plane picture；And
Ultrasonographic manifestation identification according to anal sphincter is per the musculus sphincter ani internus region in frame tangent plane picture and external sphincter muscle of anus
Region.
In one embodiment, also include：
Measurement module, for about ginseng to be damaged in flesh region and the external sphincter muscle of anus area measure according in the anus
Number.
In one embodiment, described image processing module is additionally operable to：Area-of-interest is extracted from tangent plane picture, it is described
Area-of-interest includes anal tube, musculus sphincter ani internus and external sphincter muscle of anus；According to adaptive threshold to the area-of-interest
Interior tangent plane picture carries out binary conversion treatment；Tangent plane picture after the binary conversion treatment is corroded successively and expansion at
Reason, to obtain the musculus sphincter ani internus region.
In one embodiment, described image processing module is additionally operable to：To musculus sphincter ani internus region preset range
Image-region carry out contrast treatment, with obtain treatment after image；According to adaptive threshold to the image after the treatment
Carry out binary conversion treatment；Dilation erosion treatment is carried out to the image after binary conversion treatment, the external sphincter muscle of anus region is obtained.
In one embodiment, described image processing module is additionally operable to：When the musculus sphincter ani internus region and/or anus
When external sphincter area has continuity interruption, judge that the anal sphincter is present and damage.
In one embodiment, also include：Annotations module；
The measurement module is additionally operable to, and measurement damage location is formed with anal tube center to damage angle and damaged length, institute
Stating damaged length includes the product of the tangent plane quantity and section spacing damaged；
The annotations module, for being marked to the anal sphincter injury position on the tangent plane picture.
In one embodiment, the measurement module is additionally operable to：
By the musculus sphincter ani internus region division into N deciles, first is counted and calculated to the pixel on N deciles
Average value, when first average value is more than default first predetermined threshold value, it is determined that in the musculus sphincter ani internus continuity
It is disconnected, using corresponding pixel as first point of interruption；
By the external sphincter muscle of anus region division into N deciles, second is counted and calculated to the pixel on N deciles
Average value, when second average value is less than preset second level threshold value, it is determined that in the external sphincter muscle of anus continuity
It is disconnected, using corresponding pixel as second point of interruption；
Determine to damage angle according to the straight angle Q of first point of interruption, second point of interruption and anal tube center institute
Degree；
Tangent plane quantity and section spacing according to damaging determine damaged length.
Above-mentioned anal sphincter image processing method and device, ultrasonic device, those who are investigated are under contracting anus state for acquisition
Three-dimensional volumetric data；Multiple plane imaging is carried out by three-dimensional volumetric data, multiframe tangent plane picture is obtained；According to anal sphincter
Ultrasonographic manifestation identification per frame tangent plane picture in musculus sphincter ani internus region and external sphincter muscle of anus region.Above-mentioned anus is included
About flesh image processing method and device, ultrasonic device can be fast and accurately identified the form of the inside and outside sphincter of anus.
Brief description of the drawings
Fig. 1 is the structured flowchart of the ultrasonic device of one embodiment provided in an embodiment of the present invention；
Fig. 2 is that the flow of the anal sphincter image processing method of one embodiment provided in an embodiment of the present invention is illustrated
Figure；
Fig. 3 is area-of-interest schematic diagram provided in an embodiment of the present invention；
Fig. 4 is the flow chart in the identification musculus sphincter ani internus region of one embodiment provided in an embodiment of the present invention；
Fig. 5 is the flow chart in the identification external sphincter muscle of anus region of one embodiment provided in an embodiment of the present invention；
Fig. 6 is the structured flowchart of the ultrasonic device of another embodiment provided in an embodiment of the present invention；
Fig. 7 is the damage angle schematic diagram of one embodiment provided in an embodiment of the present invention；
Fig. 8 is the structural representation of the anal sphincter image processing apparatus of one embodiment provided in an embodiment of the present invention
Figure.
Specific embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The described specific embodiment in place is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of description, part rather than the entire infrastructure related to the embodiment of the present invention is illustrate only in accompanying drawing.
Fig. 1 is the structured flowchart of the ultrasonic device 100 of the embodiment of the present invention, and system 100 includes transmitter 102, probe 104
According to the drive signal applied from ultrasonic transmitter 102 by ultrasonic signal emission to object, receiver 106 is received from object reflection
Ultrasound echo signal.Probe 104 may include multiple transducers, and multiple transducers shake according to the electric signal for being sent to probe 104
It is dynamic, and produce ultrasonic wave, i.e. acoustic energy.In addition, probe 104 can wired or wirelessly be connected to the main body of ultrasonic device 100.
It should be noted that ultrasonic device 100 can include multiple probes 104.Probe 104 may include that one-dimensional (1D) probe, 1.5D are visited
At least one of head, matrix (2D) probe, three-dimensional (3D) probe and four-dimensional (4D) probe.
The ultrasound echo signal that receiver 106 will be received is sent to beam synthesizer 108.Beam synthesizer 108 pairs is returned
Ripple signal carries out Beam synthesis and generates RF signals, then sends to RF processors 110 RF signals.RF signal processors 110
Inside may include a demodulator (not shown), and RF signals can be demodulated to demodulator the form of I/Q signal pair.
Ultrasonic device 100 also includes processor 112, and processor 112 includes image collection module 114, image processing module
116 and measurement module 118.Image collection module 114 is used to obtain signal data, for example, RF signals or I/Q signal pair, and
Three-dimensional volumetric data of those who are investigated etc..Image processing module 116 is used to carry out image procossing to three-dimensional volumetric data, to obtain
Musculus sphincter ani internus region and external sphincter muscle of anus region.Measurement module 118 is used for the result to image processing module 116
Measure.
Ultrasonic device 100 also includes display 120, and display 120 can show the information processed in ultrasonic device 100.It is aobvious
Show that device 120 can show ultrasonoscopy, display 120 may also display the regional area of ultrasonoscopy.For example, display 120 can
Multiple sections image is shown with according to preassigned pattern.It should be noted that ultrasonic device 100 also includes first (device) part of other compositions,
First (device) part of these compositions is all that those of ordinary skill in the art can be known, be will not be repeated here.
A kind of anal sphincter image processing method provided in an embodiment of the present invention is explained below, it passes through processor
The three-dimensional volumetric data of 112 pairs of inputs is processed, and can automatically, exactly obtain the form of the inside and outside sphincter of anus.
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
A part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of creative work is not made, belongs to the scope of protection of the invention.
With reference to Fig. 2, Fig. 2 is that the embodiment of the present invention provides a kind of schematic flow sheet of anal sphincter image processing method.
As shown in Fig. 2 the method includes：
Step 201, obtains three-dimensional volumetric data of the those who are investigated under contracting anus state.
Popped one's head in using three-dimensional volume, be positioned at those who are investigated's perineum, acoustic beam is inclined to anal tube direction, under contracting anus state
Obtain three-dimensional anal sphincter volume data.Under contracting anus state, the constriction that anal tube can be slightly, but star-shaped mucous membrane is basically unchanged
Change, what now anal sphincter showed becomes apparent from.
Step 202, multiple plane imaging is carried out to three-dimensional volumetric data, obtains multiframe tangent plane picture.
In the present embodiment, many virtual sliced sheets that the three-dimensional volumetric data that above-mentioned steps 101 are obtained carries out coronal-plane are carried
Take, areas imaging is from external sphincter muscle of anus top to musculus sphincter ani internus lower section.The form of the multiframe tangent plane arrangement after extraction can
Think 3*3, can also be 4*4, be not especially limited here.Section spacing generally uses 2.5mm, and anal tube can be appropriate compared with elder
Increase section spacing.
Step 203, the ultrasonographic manifestation identification according to anal sphincter is per the musculus sphincter ani internus area in frame tangent plane picture
Domain and external sphincter muscle of anus region.
Anal sphincter includes musculus sphincter ani internus and external sphincter muscle of anus.On the ultrasound image, it is illustrated in fig. 3 shown below, arranges
Anal tube closure under dummy status, musculus sphincter ani internus shows as the low echo area of ring-type, and external sphincter muscle of anus then shows as wrapping
The acoustic echo structure high of internal sphincter, the high echogenic area of inner astroid is anal tube mucous membrane.With reference to these imaging characteristics, recognize and carry
Take the inside and outside sphincter form of anus in the region of interest ROI on every frame tangent plane picture, i.e. door internal sphincter region, anus
External sphincter area.
The anal sphincter image processing method of above-described embodiment, obtains three-dimensional volume of the those who are investigated under contracting anus state
Data；Multiple plane imaging is carried out by three-dimensional volumetric data, multiframe tangent plane picture is obtained；According to the ultrasonograph of anal sphincter
Feature recognition is per the musculus sphincter ani internus region and external sphincter muscle of anus region in frame tangent plane picture.Above-mentioned anal sphincter figure
The form of the inside and outside sphincter of anus can be fast and accurately identified as processing method.
In one embodiment, as shown in figure 4, the ultrasonographic manifestation identification according to anal sphincter is per in frame tangent plane picture
Musculus sphincter ani internus region the step of include：
Step 402, extracts area-of-interest from tangent plane picture, area-of-interest comprising anal tube, musculus sphincter ani internus and
External sphincter muscle of anus.
In order to improve the efficiency of image procossing, a rectangle area-of-interest (ROI) is extracted from every frame tangent plane picture,
Area-of-interest includes other tissues of anal tube, musculus sphincter ani internus, external sphincter muscle of anus and part.Due to musculus sphincter ani internus
The low echo area of ring-type is shown as, so, can be by the definition of musculus sphincter ani internus border structure for similar toroidal
Structure.
In the present embodiment, loop truss algorithm is realized using Hough gradient method, by circular Structure Calculation acquisition anal tube
Heart point position, then calculates home position to the distance between probe beginning ripple position R in tangent plane.It is last with the center of circle as rectangle in
Heart point, length and height are 2R, and area-of-interest is extracted in tangent plane.
Step 404, binary conversion treatment is carried out according to adaptive threshold to the tangent plane picture in area-of-interest.
In area-of-interest, two can be carried out to area-of-interest using predetermined threshold value (experiment acquisition is traditionally arranged to be 50)
Value is processed.Image pixel less than threshold value is set to 255, and the image slices vegetarian refreshments higher than threshold portion is set to 0.
Step 406, is corroded and expansion process successively to the tangent plane picture after binary conversion treatment, is included with obtaining in anus
About flesh region.
To filter smaller object, corrosion treatment is first carried out to binary image carries out expansion process again, thus may be used
To obtain region residing for the musculus sphincter ani internus of ring-type.
Through the above way, musculus sphincter ani internus region can accurately and rapidly be obtained.
In one embodiment, as shown in figure 5, the ultrasonographic manifestation identification according to anal sphincter is per in frame tangent plane picture
External sphincter muscle of anus region the step of include：
Step 502, the image-region to musculus sphincter ani internus region preset range carries out contrast treatment, to obtain treatment
Image afterwards.
By improving contrast, to highlight the gray value of musculus sphincter ani internus area periphery partial pixel, to obtain contrast
Image after degree treatment.In the present embodiment, preset range refers to musculus sphincter ani internus periphery, and radius is anal tube central point to ring
The scope of about 2 times of shape musculus sphincter ani internus external diameter.
Step 504, binary conversion treatment is carried out according to adaptive threshold to the image after treatment.
In the present embodiment, the image around the musculus sphincter ani internus is carried out at binaryzation using adaptive threshold
Reason so that higher than predetermined threshold value part be 255, less than the predetermined threshold value part be 0.
Step 506, dilation erosion treatment is carried out to the image after binary conversion treatment, obtains external sphincter muscle of anus region.
Through the above way, external sphincter muscle of anus region can accurately and rapidly be obtained.
In one embodiment, as shown in fig. 6, processor 112 also includes measurement module 118.Measurement module 118 being capable of root
The musculus sphincter ani internus region and external sphincter muscle of anus region obtained according to above-described embodiment measure, when musculus sphincter ani internus area
When domain and/or external sphincter muscle of anus region have continuity interruption, judge that anal sphincter is present and damage.
When the anal sphincter is present to be damaged, measurement module 118 is additionally operable to measurement and damages angle and length.
In one embodiment, the measurement of measurement module 118 damages angle and the process of damaged length and includes：
It is illustrated in fig. 7 shown below, by musculus sphincter ani internus (low echo) region division of annular into N deciles (according to degree of injury
Judge, recommend 48 deciles, halved than clock face ten high 4 times), the pixel on N deciles is counted, calculate first average
Value, when the first average value is more than the first predetermined threshold value, it is believed that musculus sphincter ani internus continuity is interrupted, remembers damage position, will
Corresponding pixel is used as first point of interruption.
Similarly, by annular external sphincter muscle of anus (echo high) region division into N deciles (according to degree of injury judge,
It is recommend 48 deciles, point higher 4 times than clock and watch etc.), the pixel on N deciles is counted, the second average value is calculated, when second flat
When average is less than the second predetermined threshold value, it is believed that external sphincter muscle of anus continuity is interrupted, damage position is remembered, will corresponding pixel
As second point of interruption.As shown in figure 4, first point of interruption and second point of interruption and the straight angle Q of anal tube center institute, that is, damage
Hinder angle.
Every frame tangent plane picture is processed using the above method, judges the number of sections damaged, anal sphincter injury
Length is：The tangent plane quantity * section spacing of damaged length=damage.
Further, in one embodiment, processor 112 also includes annotations module 122.The basis of annotations module 122
Damage measurement result, is marked to anal sphincter injury position on tangent plane picture, mark can using small five-pointed star, arrow or
The patterns such as triangle.Show the result of measurement, including damage location, damage in corresponding tangent plane picture on display 120 simultaneously
Hinder angle, damaged length.
In one embodiment, as shown in Figure 8, it is also proposed that a kind of anal sphincter image processing apparatus 800, the device
800 include：
Acquisition module 802, for obtaining three-dimensional volumetric data of the those who are investigated under contracting anus state.
Multiple plane imaging module 804, for carrying out multiple plane imaging to three-dimensional volumetric data, obtains multiframe tangent plane picture.
Identification module 806, in the anus in the every frame tangent plane picture of the ultrasonographic manifestation of anal sphincter identification
Sphincter region and external sphincter muscle of anus region.
The anal sphincter image processing apparatus 800 of the present embodiment are used to realize foregoing anal sphincter image processing method
At the visible anal sphincter image hereinbefore of specific embodiment in method, therefore anal sphincter image processing apparatus 800
The embodiment part of reason method, for example, acquisition module 802, multiple plane imaging module 804, identification module 806, are respectively used to reality
Step 101,102,103 in existing above-mentioned three-dimensional basin baselap acoustic image processing method so, its specific embodiment is referred to phase
The description of the various pieces embodiment answered, will not be repeated here.
The know-why of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and can not by any way be construed to the limitation to embodiment of the present invention protection domain.Based on herein
Explanation, those skilled in the art associated by would not require any inventive effort the embodiment of the present invention other are specific
Implementation method, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (10)
1. a kind of anal sphincter image processing method, it is characterised in that including：
Obtain three-dimensional volumetric data of the those who are investigated under contracting anus state；
Multiple plane imaging is carried out to the three-dimensional volumetric data, multiframe tangent plane picture is obtained；
Ultrasonographic manifestation according to anal sphincter is recognized and included per outside the musculus sphincter ani internus region in frame tangent plane picture and anus
About flesh region.
2. method according to claim 1, it is characterised in that described every according to the identification of the ultrasonographic manifestation of anal sphincter
The step of musculus sphincter ani internus region in frame tangent plane picture, includes：
Area-of-interest is extracted from tangent plane picture, the area-of-interest is included and included outside anal tube, musculus sphincter ani internus and anus
About flesh；
Binary conversion treatment is carried out to the tangent plane picture in the area-of-interest according to adaptive threshold；
Tangent plane picture after the binary conversion treatment is corroded successively and expansion process, to obtain the musculus sphincter ani internus
Region.
3. method according to claim 1 and 2, it is characterised in that described to be known according to the ultrasonographic manifestation of anal sphincter
Not per the external sphincter muscle of anus region in frame tangent plane picture the step of, includes：
Image-region to musculus sphincter ani internus region preset range carries out contrast treatment, to obtain the figure after treatment
Picture；
Binary conversion treatment is carried out to the image after the treatment according to adaptive threshold；
Dilation erosion treatment is carried out to the image after binary conversion treatment, the external sphincter muscle of anus region is obtained.
4. a kind of ultrasonic device, it is characterised in that including：
Image collection module, obtains three-dimensional volumetric data of the those who are investigated under contracting anus state；
Image processing module, for carrying out multiple plane imaging to the three-dimensional volumetric data, obtains multiframe tangent plane picture；And according to
The ultrasonographic manifestation identification of anal sphincter is per the musculus sphincter ani internus region and external sphincter muscle of anus region in frame tangent plane picture.
5. ultrasonic device according to claim 4, it is characterised in that also include：
Measurement module, for according to about flesh region and the external sphincter muscle of anus area measure impairment parameter in the anus.
6. ultrasonic device according to claim 4, it is characterised in that described image processing module is additionally operable to：From sectional drawing
Area-of-interest is extracted as in, the area-of-interest includes anal tube, musculus sphincter ani internus and external sphincter muscle of anus；According to adaptive
Answer threshold value carries out binary conversion treatment to the tangent plane picture in the area-of-interest；To the tangent plane picture after the binary conversion treatment
Corroded successively and expansion process, to obtain the musculus sphincter ani internus region.
7. the ultrasonic device according to claim 4 or 6, it is characterised in that described image processing module is additionally operable to：To described
The image-region of musculus sphincter ani internus region preset range carries out contrast treatment, to obtain the image after treatment；According to adaptive
Answer threshold value carries out binary conversion treatment to the image after the treatment；Dilation erosion treatment is carried out to the image after binary conversion treatment,
Obtain the external sphincter muscle of anus region.
8. ultrasonic device according to claim 4, it is characterised in that described image processing module is additionally operable to：When the anus
When door internal sphincter region and/or external sphincter muscle of anus region have continuity interruption, judge that the anal sphincter is present and damage
Wound.
9. ultrasonic device according to claim 8, it is characterised in that also include：Annotations module；The measurement module is also used
In measurement damage location is formed with anal tube center to damage angle and damaged length, and the damaged length includes the tangent plane for damaging
The product of quantity and section spacing；
The annotations module, for being marked to the anal sphincter injury position on the tangent plane picture.
10. ultrasonic device according to claim 8, it is characterised in that the measurement module is additionally operable to：
By the musculus sphincter ani internus region division into N deciles, the pixel on N deciles is counted and to be calculated first average
Value, when first average value is more than default first predetermined threshold value, it is determined that the musculus sphincter ani internus continuity is interrupted, will
Corresponding pixel is used as first point of interruption；
By the external sphincter muscle of anus region division into N deciles, the pixel on N deciles is counted and to be calculated second average
Value, when second average value is less than preset second level threshold value, it is determined that the external sphincter muscle of anus continuity is interrupted, will
Corresponding pixel is used as second point of interruption；
Determine to damage angle according to the straight angle Q of first point of interruption, second point of interruption and anal tube center institute；
Tangent plane quantity and section spacing according to damaging determine damaged length.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196989.3A CN106683083B (en) | 2016-12-22 | 2016-12-22 | Anal sphincter image processing method and device, ultrasonic device |
| PCT/CN2017/093472 WO2018113284A1 (en) | 2016-12-22 | 2017-07-19 | Sphincter image processing method and apparatus, and ultrasonic device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611196989.3A CN106683083B (en) | 2016-12-22 | 2016-12-22 | Anal sphincter image processing method and device, ultrasonic device |
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| CN106683083B CN106683083B (en) | 2019-09-13 |
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| WO2018113284A1 (en) * | 2016-12-22 | 2018-06-28 | 深圳开立生物医疗科技股份有限公司 | Sphincter image processing method and apparatus, and ultrasonic device |
| CN108962357A (en) * | 2018-06-28 | 2018-12-07 | 深圳开立生物医疗科技股份有限公司 | A kind of annotation method, system, equipment and computer readable storage medium |
| WO2021056498A1 (en) * | 2019-09-29 | 2021-04-01 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasound imaging method and system, and computer readable storage medium |
| CN113229850A (en) * | 2021-06-09 | 2021-08-10 | 深圳迈瑞生物医疗电子股份有限公司 | Ultrasonic pelvic floor imaging method and ultrasonic imaging system |
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| WO2018113284A1 (en) | 2018-06-28 |
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