CN106821419A - Calculate the method and system of Bladder Volume - Google Patents
Calculate the method and system of Bladder Volume Download PDFInfo
- Publication number
- CN106821419A CN106821419A CN201611259974.7A CN201611259974A CN106821419A CN 106821419 A CN106821419 A CN 106821419A CN 201611259974 A CN201611259974 A CN 201611259974A CN 106821419 A CN106821419 A CN 106821419A
- Authority
- CN
- China
- Prior art keywords
- bladder
- data
- echo
- contour line
- volume
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 claims abstract description 22
- 210000003932 urinary bladder Anatomy 0.000 claims description 422
- 239000000523 sample Substances 0.000 claims description 10
- 238000009499 grossing Methods 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000003786 synthesis reaction Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 abstract description 14
- 239000002131 composite material Substances 0.000 abstract 1
- 238000002604 ultrasonography Methods 0.000 description 12
- 238000005259 measurement Methods 0.000 description 6
- 238000000205 computational method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000035945 sensitivity Effects 0.000 description 3
- 210000002700 urine Anatomy 0.000 description 3
- 241000023320 Luma <angiosperm> Species 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- OSWPMRLSEDHDFF-UHFFFAOYSA-N methyl salicylate Chemical compound COC(=O)C1=CC=CC=C1O OSWPMRLSEDHDFF-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 206010002091 Anaesthesia Diseases 0.000 description 1
- 201000003176 Severe Acute Respiratory Syndrome Diseases 0.000 description 1
- 206010046555 Urinary retention Diseases 0.000 description 1
- 230000037005 anaesthesia Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
- 230000002485 urinary effect Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B8/00—Diagnosis using ultrasonic, sonic or infrasonic waves
- A61B8/52—Devices using data or image processing specially adapted for diagnosis using ultrasonic, sonic or infrasonic waves
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T5/00—Image enhancement or restoration
- G06T5/70—Denoising; Smoothing
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medical Informatics (AREA)
- Computer Vision & Pattern Recognition (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Theoretical Computer Science (AREA)
- Radiology & Medical Imaging (AREA)
- General Physics & Mathematics (AREA)
- General Health & Medical Sciences (AREA)
- Biophysics (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- Heart & Thoracic Surgery (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Quality & Reliability (AREA)
- Biomedical Technology (AREA)
- Pathology (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
Abstract
The invention discloses a kind of method and system for calculating Bladder Volume, method includes：Obtain bladder echo rf data；The border continuity of amplitude difference and bladder according to the bladder echo rf data obtains initial bladder contour line；The initial bladder contour line is finely adjusted using key point Mobile Method, obtains final bladder contour line；According to final bladder profile line computation Bladder Volume.Bladder profile is detected present invention employs this initial data of bladder echo rf data, no longer influenceed by the limitation of grey-scale range and border gray scale variation, the accuracy rate of detection is improve, bladder profile can be more accurately detected, the accuracy of Bladder Volume result of calculation is improve；By finely tuning the key point on bladder contour line come the actual border so that contour line is more fitted, exact picture border and then more accurate Bladder Volume result of calculation can be obtained.The composite can be widely applied to ultrasonoscopy process field.
Description
Technical field
The present invention relates to ultrasonoscopy process field, especially a kind of method and system for calculating Bladder Volume.
Background technology
Bladder Volume reflects intravesical urine volume, is the clinical practice of the section office such as emergency department, department of anesthesia, urological department and ICU
One of important parameter.For urinary system, the measurement result of bladder residual urine liquid volume and full urine volume is often made
It is the important evidence of diagnosed SARS case.
With the continuous progress of technology, ultrasound non-invasive detection is developed in clinical practice, using the side of ultrasound non-invasive
Formula can accurate measurements and the volume for measuring bladder, detection bladder wheel in the ultrasonography that this method needs are first obtained from scanning
Exterior feature, then coordinate corresponding computing formula to calculate the volume of bladder.
At present, the method for automatic measurement of this Bladder Volume has following defect or deficiency：
(1) need to detect bladder profile according to the grayscale difference of entire image, easily limited by grey-scale range, examine
The error rate of survey is very high.
(2) when because individual physique or suppress urine etc. reason, when the gray scale variation on bladder border can not be distinguished substantially, be based on
Easily there is mistake when border is described in the Bladder Volume method for automatic measurement of image gray-scale level information.
The content of the invention
In order to solve the above technical problems, it is an object of the invention to：There is provided one kind can accurate detection bladder border, accurately
The method and system of rate calculating Bladder Volume high.
The technical solution used in the present invention is：
The method for calculating Bladder Volume, comprises the following steps：
Obtain bladder echo rf data；
The border continuity of amplitude difference and bladder according to the bladder echo rf data obtains initial bladder profile
Line；
The initial bladder contour line is finely adjusted using key point Mobile Method, obtains final bladder contour line；
According to final bladder profile line computation Bladder Volume.
Further, the step of acquisition bladder echo rf data, it includes：
Probe receives the ultrasonic echo data of bladder；
The ultrasonic echo data of reception is carried out into Beam synthesis, bladder echo rf data is obtained.
Further, after the step of obtaining bladder echo rf data, according to the width of the bladder echo rf data
It is described the step of be additionally provided with pretreatment before the step of value difference is different and the border continuity of bladder obtains initial bladder contour line
The step of pretreatment, includes：
Enter the sliding treatment of line noise filter peace to bladder echo rf data；
Type according to probe is scanned conversion to the bladder echo rf data after smoothing processing, so that by smooth place
Bladder echo rf data after reason is mapped on actual locus, and the data that time dimension is up-sampled are converted into sky
Between on distance.
Further, it is described to be obtained just according to the amplitude difference of the bladder echo rf data and the border continuity of bladder
The step of beginning bladder contour line, it includes：
The crosscutting maximum of bladder is chosen from the corresponding bladder ultrasonoscopy of bladder echo rf data according to priori
Tangent plane；
According to bladder echo rf data in the bladder wall and intravesical amplitude difference from each wing of the maximum tangent plane
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in Guang echo rf data, multiple anterior wall of urinary bladder points and multiple posterior wall of urinary bladder is obtained
Point；
According to the border continuity of the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point and bladder, obtain described
Initial bladder contour line.
Further, the use key point Mobile Method is finely adjusted to the initial bladder contour line, obtains final wing
The step for Guang contour line, it includes：
Several key points are set on initial bladder contour line；
Key point is fitted according to predetermined accuracy requirement, obtains final bladder contour line.
Further, the step for the basis final bladder profile line computation Bladder Volume, it includes：
Ultimate range between detecting any two points on final bladder contour line is used as the first radial values D1；
Bladder is fitted using ellipsoid model, according to final bladder contour line by bladder along perpendicular to first
The direction of radial values D1 cuts into n cylinder and obtains the radius d and h high of this n cylinder, the radius d of this n cylinder
It is respectively with h high：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is the cylinder to be cut sum of setting, d1、d2...dn
Respectively the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st to n-th height of cylinder；
Radius d and h high according to this n cylinder calculate Bladder Volume V, and the computing formula of the Bladder Volume V is：
Another technical scheme for being taken of the present invention is：
The system for calculating Bladder Volume, including with lower module：
Bladder echo rf data acquisition module, for obtaining bladder echo rf data；
Bladder profile detection module, the border for the amplitude difference according to the bladder echo rf data and bladder connects
Continuous property obtains initial bladder contour line；
Bladder profile finely tunes module, for being finely adjusted to the initial bladder contour line using key point Mobile Method, obtains
To final bladder contour line；
Bladder Volume computing module, for according to final bladder profile line computation Bladder Volume.
Further, the bladder profile detection module includes：
Maximum tangent plane chooses unit, for according to priori from the corresponding bladder ultrasonoscopy of bladder echo rf data
It is middle to choose the crosscutting maximum tangent plane of bladder；
The bladder wall detection unit, for according to bladder echo rf data in the bladder wall and intravesical amplitude difference from institute
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in each the bladder echo rf data for stating maximum tangent plane, before obtaining multiple bladders
Wall point and multiple posterior wall of urinary bladder points；
Initial bladder contour line acquiring unit, for according to the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point
With the border continuity of bladder, the initial bladder contour line is obtained.
Further, the bladder profile fine setting module includes：
Key point setting unit, for setting several key points on initial bladder contour line；
Key point moves fitting unit, for being fitted to key point according to predetermined accuracy requirement, obtains final wing
Guang contour line.
Further, the Bladder Volume computing module includes：
First radial values detection unit, for detecting any two points on final bladder contour line between ultimate range
As the first radial values D1；
Cutter unit, for being fitted to bladder using ellipsoid model, according to final bladder contour line by wing
Guang edge cuts into n cylinder and obtains the radius d and h high of this n cylinder, this n perpendicular to the direction of the first radial values D1
The radius d and h high of individual cylinder are respectively：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is the cylinder to be cut of setting
Sum, d1、d2...dnRespectively the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st to n-th cylinder
The height of body；
Bladder Volume computing unit, it is described for calculating Bladder Volume V according to the radius d and h high of this n cylinder
The computing formula of Bladder Volume V is：
The beneficial effects of the method for the present invention is：Including obtaining bladder echo rf data and being penetrated according to the bladder echo
The step of amplitude difference of frequency evidence and the border continuity of bladder obtain initial bladder contour line, employs bladder echo radio frequency
Data this initial data detects bladder profile, more rich information is contained than the luma data of image, no longer by GTG
The limitation of scope and the influence of border gray scale variation, improve the accuracy rate of detection, can more accurately detect bladder profile,
Improve the accuracy of Bladder Volume result of calculation.Be additionally arranged is carried out using key point Mobile Method to the initial bladder contour line
The step of fine setting, by finely tuning the key point on bladder contour line come the actual border so that contour line is more fitted, can be accurate
Describe border and then obtain more accurate Bladder Volume result of calculation.Further, according to final bladder profile line computation wing
Sensitivity and precision fitting formula higher are employed in the step for Guang volume so that the result of calculation of Bladder Volume is more accurate
Really, error is smaller.
The beneficial effect of system of the invention is：Including bladder echo rf data acquisition module and bladder contour detecting mould
Block, employs this initial data of bladder echo rf data to detect bladder profile in bladder profile detection module, than figure
The luma data of picture contains more rich information, is no longer influenceed by the limitation of grey-scale range and border gray scale variation, carries
The accuracy rate of detection high, can more accurately detect bladder profile, improve the accuracy of Bladder Volume result of calculation.Set up
Bladder profile fine setting module, by finely tuning the key point on bladder contour line come the actual side so that contour line is more fitted
Boundary, exact picture border and then can obtain more accurate Bladder Volume result of calculation.Further, in Bladder Volume computing module
Sensitivity and precision fitting formula higher are employed in Bladder Volume computing unit so that the result of calculation of Bladder Volume is more accurate
Really, error is smaller.
Brief description of the drawings
Fig. 1 is the overall flow figure of the method that the present invention calculates Bladder Volume；
Fig. 2 is the functional block diagram of the system that the present invention calculates Bladder Volume；
Fig. 3 is the Bladder Volume calculation flow chart of the embodiment of the present invention one；
Fig. 4 is the flow chart of the acquisition with preprocessing process of echo ultrasonic rf data of the present invention；
Fig. 5 is echo ultrasonic rf data schematic diagram of the present invention；
Fig. 6 is the key point process schematic of present invention regulation bladder contour line；
Fig. 7 is the structural representation of bladder radial line value of the present invention；
Fig. 8 is the cylindrical structure schematic diagram that present invention cutting bladder is obtained.
Specific embodiment
Reference picture 1, the method for calculating Bladder Volume, comprises the following steps：
Obtain bladder echo rf data；
The border continuity of amplitude difference and bladder according to the bladder echo rf data obtains initial bladder profile
Line；
The initial bladder contour line is finely adjusted using key point Mobile Method, obtains final bladder contour line；
According to final bladder profile line computation Bladder Volume.
Be further used as preferred embodiment, it is described acquisition bladder echo rf data the step of, it includes：
Probe receives the ultrasonic echo data of bladder；
The ultrasonic echo data of reception is carried out into Beam synthesis, bladder echo rf data is obtained.
It is further used as preferred embodiment, after the step of obtaining bladder echo rf data, according to the wing
Before the step of amplitude difference of Guang echo rf data and the border continuity of bladder obtain initial bladder contour line, it is additionally provided with
The step of the step of pretreatment, pretreatment, includes：
Enter the sliding treatment of line noise filter peace to bladder echo rf data；
Type according to probe is scanned conversion to the bladder echo rf data after smoothing processing, so that by smooth place
Bladder echo rf data after reason is mapped on actual locus, and the data that time dimension is up-sampled are converted into sky
Between on distance.
It is further used as preferred embodiment, the amplitude difference and bladder according to the bladder echo rf data
Border continuity the step of obtain initial bladder contour line, it includes：
The crosscutting maximum of bladder is chosen from the corresponding bladder ultrasonoscopy of bladder echo rf data according to priori
Tangent plane；
According to bladder echo rf data in the bladder wall and intravesical amplitude difference from each wing of the maximum tangent plane
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in Guang echo rf data, multiple anterior wall of urinary bladder points and multiple posterior wall of urinary bladder is obtained
Point；
According to the border continuity of the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point and bladder, obtain described
Initial bladder contour line.
It is further used as preferred embodiment, the use key point Mobile Method is carried out to the initial bladder contour line
Fine setting, the step for obtain final bladder contour line, it includes：
Several key points are set on initial bladder contour line；
Key point is fitted according to predetermined accuracy requirement, obtains final bladder contour line.
It is further used as preferred embodiment, final bladder profile line computation Bladder Volume this step of the basis
Suddenly, it includes：
Ultimate range between detecting any two points on final bladder contour line is used as the first radial values D1；
Bladder is fitted using ellipsoid model, according to final bladder contour line by bladder along perpendicular to first
The direction of radial values D1 cuts into n cylinder and obtains the radius d and h high of this n cylinder, the radius d of this n cylinder
It is respectively with h high：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is the cylinder to be cut sum of setting, d1、d2...dn
Respectively the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st to n-th height of cylinder；
Radius d and h high according to this n cylinder calculate Bladder Volume V, and the computing formula of the Bladder Volume V is：
Reference picture 2, the system for calculating Bladder Volume, including with lower module：
Bladder echo rf data acquisition module, for obtaining bladder echo rf data；
Bladder profile detection module, the border for the amplitude difference according to the bladder echo rf data and bladder connects
Continuous property obtains initial bladder contour line；
Bladder profile finely tunes module, for being finely adjusted to the initial bladder contour line using key point Mobile Method, obtains
To final bladder contour line；
Bladder Volume computing module, for according to final bladder profile line computation Bladder Volume.
Reference picture 2, is further used as preferred embodiment, and the bladder profile detection module includes：
Maximum tangent plane chooses unit, for according to priori from the corresponding bladder ultrasonoscopy of bladder echo rf data
It is middle to choose the crosscutting maximum tangent plane of bladder；
The bladder wall detection unit, for according to bladder echo rf data in the bladder wall and intravesical amplitude difference from institute
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in each the bladder echo rf data for stating maximum tangent plane, before obtaining multiple bladders
Wall point and multiple posterior wall of urinary bladder points；
Initial bladder contour line acquiring unit, for according to the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point
With the border continuity of bladder, the initial bladder contour line is obtained.
Reference picture 2, is further used as preferred embodiment, and the bladder profile fine setting module includes：
Key point setting unit, for setting several key points on initial bladder contour line；
Key point moves fitting unit, for being fitted to key point according to predetermined accuracy requirement, obtains final wing
Guang contour line.
Reference picture 2, is further used as preferred embodiment, and the Bladder Volume computing module includes：
First radial values detection unit, for detecting any two points on final bladder contour line between ultimate range
As the first radial values D1；
Cutter unit, for being fitted to bladder using ellipsoid model, according to final bladder contour line by wing
Guang edge cuts into n cylinder and obtains the radius d and h high of this n cylinder, this n perpendicular to the direction of the first radial values D1
The radius d and h high of individual cylinder are respectively：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is the cylinder to be cut of setting
Sum, d1、d2...dnRespectively the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st to n-th cylinder
The height of body；
Bladder Volume computing unit, it is described for calculating Bladder Volume V according to the radius d and h high of this n cylinder
The computing formula of Bladder Volume V is：
The present invention is further explained and illustrated with reference to Figure of description and specific embodiment.
Embodiment one
Easily it is subject in detection bladder profile for the existing Bladder Volume method for automatic measurement based on image gray-scale level information
The limitation of grey-scale range, easily occur mistake and the inaccurate problem of measurement result when border is described, the present embodiment proposes
Bladder Volume computational methods and system of the one kind based on ultrasound RF (i.e. radio frequency) data, by using original RF data and secondary
The method of correction, makes Bladder Volume result of calculation more accurate, improves the accuracy value of Bladder Volume calculating；Also improve simultaneously
The accuracy of Ultrasonic Diagnosis is more convenient to use quick.
As shown in Figures 3 and 4, the Bladder Volume computational methods of the present embodiment are concretely comprised the following steps：
(1) ultrasonic scanning is carried out, ultrasonic echo data is received by popping one's head in.
(2) bladder ultrasound RF data are obtained.The echo data for receiving forms the original RF of bladder after Beam synthesis and (penetrates
Frequently as shown in figure 5, antetheca refers to anterior wall of urinary bladder, rear wall refers to posterior wall of urinary bladder for data), bladder raw RF data, anterior wall of urinary bladder and
Posterior wall of urinary bladder is anterior wall of urinary bladder and posterior wall of urinary bladder corresponding ultrasonic probe respectively for the position of ultrasonic probe
Near field end and far field end.Amplitude reflects the intensity size of ultrasonic echo data, and depth refers to that ultrasonic wave is propagated in human body
Distance.In the range of predetermined depth (time), the RF data of amplitude maximum represent the bladder wall.In each RF data, lead to
Two maximum often are had, the two maximum represent anterior wall of urinary bladder and posterior wall of urinary bladder respectively.RF data compare image as one kind
The more original data of data, unrelated with half-tone information, it includes the information such as more amplitudes, frequency, using these information
Margin signal can more accurately be detected.
(3) the bladder ultrasound RF data for obtaining are pre-processed, specific treatment includes Noise Filter, smoothing processing
Deng operation.
(4) conversion is scanned to bladder ultrasound RF data.The different probe of the present embodiment needs to the RF data for obtaining
Do different scan transformations：Need for the data that time dimension is sampled to be converted to distance spatially, simultaneously because scanning is obtained
Bladder ultrasound RF data be local coordinate data, for exact picture bladder profile, will also according to scan transformation relation, will
To RF data be mapped on actual locus, actual world coordinates RF data are obtained, in order to subsequently unified
The first radial values are carried out in coordinate system and Bladder Volume is calculated.RF data are with the relation of distance spatially：Distance=ultrasound
The speed ÷ 2 of the two-way time × ultrasonic wave of echo RF data.
(5) amplitude difference and the border continuity of bladder according to echo data obtains bladder contour line：Returned according to bladder
Ripple RF data detect bladder profile in the bladder wall with intravesical amplitude difference, while the border continuity according to bladder is come auxiliary
Help detection bladder profile.Wherein, the bladder wall has certain thickness, including anterior wall of urinary bladder and posterior wall of urinary bladder.Penetrated in bladder echo
Frequency in, either anterior wall of urinary bladder or posterior wall of urinary bladder, its all exist with the interior zone of bladder amplitude difference (difference by
The physicochemical property of bladder interior zone is determined).And after anterior wall of urinary bladder and posterior wall of urinary bladder determine, bladder profile also determines therewith.Cause
This, only need to determine that anterior wall of urinary bladder and posterior wall of urinary bladder just can detect that bladder wheel according to amplitude difference from bladder ultrasound scan images
It is wide.In practical operation, obtaining bladder contour line this process can be further subdivided into：
The crosscutting maximum of bladder is chosen from the corresponding bladder ultrasonoscopy of bladder echo rf data according to priori
Tangent plane；
According to bladder echo rf data in the bladder wall and intravesical amplitude difference from each wing of the maximum tangent plane
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in Guang echo rf data, multiple anterior wall of urinary bladder points and multiple posterior wall of urinary bladder is obtained
Point；
According to the border continuity of the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point and bladder, obtain described
Initial bladder contour line.
Wherein, priori refers to the experience of doctor.In bladder ultrasound scan images, the bright of image secretly reflects bladder
The power of ultrasonic echo：Dark property Regional Representative's bladder ultrasonic echo is weaker, i.e. the amplitude of bladder ultrasonic echo is smaller；Bright property region
Represent that bladder ultrasonic echo is stronger, i.e. the amplitude of bladder ultrasonic echo is larger.Due to bladder echo rf data the bladder wall with
Intravesical amplitude difference, the interior zone of bladder forms the dark property of bladder in bladder ultrasonic scanning image because brightness is smaller
Region, and the bladder wall forms the bright property region of bladder in bladder ultrasonic scanning image because brightness is larger, the present embodiment is just sharp
Initial bladder contour line is drawn with this point, specific practice is：Manual cursor clicks on any point in the dark property region of bladder
After providing the signal for starting to detect bladder profile, the present embodiment will be penetrated automatically according to the brightness of bladder ultrasonoscopy with bladder echo
Frequency detects multiple anterior wall of urinary bladder points and multiple posterior wall of urinary bladder points according to the relation of amplitude from bladder ultrasonoscopy, in conjunction with wing
The border continuity of Guang can draw initial bladder contour line.
(6) the bladder profile for obtaining is finely adjusted：Several key points are set on bladder initial profile line, and according to
Actual conditions (such as predetermined accuracy requirement) move key point to be fitted, and obtain final bladder contour line.The present invention is logical
The fine setting of bladder profile is crossed come the actual border so that the contour line of adjustment is more fitted, bladder border can be more accurately depicted,
Further improve the accuracy rate of Bladder Volume calculating.The crucial point process for adjusting bladder contour line is as shown in Figure 6.According to bladder
The characteristics of contour line, the mode used during fitting is nonlinear fitting mode.By taking the bladder based on ellipsoid model as an example, it is horizontal
The contour line of the maximum tangent plane cut is shaped as ellipse, therefore it can be fitted when mobile key point is fitted using elliptic curve
Method fits final bladder contour line.
(7) bladder radial values are obtained and Bladder Volume is calculated.
The present embodiment proposes the following Bladder Volume computational methods based on ellipsoid model：
The ultimate range between any two points is detected on bladder contour line after fine setting as the first radial values D1, and along vertical
Bladder is directly cut out the section of different-thickness h in the direction of the first radial values, as shown in Figure 7；When h selections where appropriate, such as Fig. 8
Shown (oval in Fig. 8 is bladder contour line, and ab is the first radial values for the first footpath linear distance), the cylinder that cutting bladder is obtained
The diameter KL and MN of top and bottom are suitable, now, if the radius d of the cylinder that cutting bladder is obtained1With h high1, then its cutting
Volume V1Can be with approximate representation：
V1=π d1 2h1
Similarly, it is corresponding oval that bladder is some along being cut into perpendicular to the direction of the first radial values according to bladder contour line
Individual cylinder, these cylinder radius d and h high are respectively：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is treating for setting
Cutting cylinder sum, d1、d2...dnRespectively the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st is arrived
N-th height of cylinder；
Then the corresponding volume V computing formula of bladder profile are：
Compared with prior art, the present invention has advantages below：
1) based on ultrasound non-invasive detection technique, the result of calculation of Bladder Volume can be readily available, easily obtaining property is high, be improved
The operating efficiency of doctor, is doctor saves the time.
2) employ ultrasonic this initial data of RF data to detect bladder profile, more accurate bladder can be obtained
Volume calculations result.RF data are that the information content that original packet contains more is enriched than image gray-scale level data, and side is checked using RF data
Boundary is more accurate.
3) employ that sensitivity is higher and precision fitting formula higher carries out Bladder Volume calculating, can obtain more accurately
Bladder Volume result of calculation.
4) by finely tuning the secondary calibration method of the key point on bladder contour line so that bladder contour line is more fitted reality
Border border, to make doctor obtain more preferable and more accurate Bladder Volume result of calculation.
Above is preferable implementation of the invention is illustrated, but the present invention is not limited to the embodiment, and it is ripe
Knowing those skilled in the art can also make a variety of equivalent variations or replacements on the premise of without prejudice to spirit of the invention, this
A little equivalent deformations or replacement are all contained in the application claim limited range.
Claims (10)
1. the method for calculating Bladder Volume, it is characterised in that comprise the following steps：
Obtain bladder echo rf data；
The border continuity of amplitude difference and bladder according to the bladder echo rf data obtains initial bladder contour line；
The initial bladder contour line is finely adjusted using key point Mobile Method, obtains final bladder contour line；
According to final bladder profile line computation Bladder Volume.
2. it is according to claim 1 calculate Bladder Volume method, it is characterised in that the acquisition bladder echo radio frequency number
According to the step of, it includes：
Probe receives the ultrasonic echo data of bladder；
The ultrasonic echo data of reception is carried out into Beam synthesis, bladder echo rf data is obtained.
3. it is according to claim 1 calculate Bladder Volume method, it is characterised in that：Obtaining bladder echo rf data
The step of after, the border continuity of amplitude difference and bladder according to the bladder echo rf data obtains initial bladder wheel
Before the step of profile, include the step of be additionally provided with pretreatment, the step of the pretreatment：
Enter the sliding treatment of line noise filter peace to bladder echo rf data；
Type according to probe is scanned conversion to the bladder echo rf data after smoothing processing, so as to by after smoothing processing
Bladder echo rf data be mapped on actual locus, and by time dimension up-sample data be converted to spatially
Distance.
4. it is according to claim 1 calculate Bladder Volume method, it is characterised in that：It is described to be penetrated according to the bladder echo
The step of amplitude difference of frequency evidence and the border continuity of bladder obtain initial bladder contour line, it includes：
The crosscutting maximum tangent plane of bladder is chosen from the corresponding bladder ultrasonoscopy of bladder echo rf data according to priori；
Returned from each bladder of the maximum tangent plane with intravesical amplitude difference in the bladder wall according to bladder echo rf data
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in ripple rf data, multiple anterior wall of urinary bladder points and multiple posterior wall of urinary bladder points is obtained；
According to the border continuity of the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point and bladder, obtain described initial
Bladder contour line.
5. it is according to claim 1 calculate Bladder Volume method, it is characterised in that：The use key point Mobile Method pair
The initial bladder contour line is finely adjusted, and the step for obtain final bladder contour line, it includes：
Several key points are set on initial bladder contour line；
Key point is fitted according to predetermined accuracy requirement, obtains final bladder contour line.
6. the method for the calculating Bladder Volume according to claim any one of 1-5, it is characterised in that：The basis is final
The step for bladder profile line computation Bladder Volume, it includes：
Ultimate range between detecting any two points on final bladder contour line is used as the first radial values D1；
Bladder is fitted using ellipsoid model, according to final bladder contour line by bladder along perpendicular to the first radial direction
The direction of value D1 cuts into n cylinder and obtains the radius d and h high of this n cylinder, the radius d and height of this n cylinder
H is respectively：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is the cylinder to be cut sum of setting, d1、d2...dnRespectively
It is the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st to n-th height of cylinder；
Radius d and h high according to this n cylinder calculate Bladder Volume V, and the computing formula of the Bladder Volume V is：
7. the system for calculating Bladder Volume, it is characterised in that：Including with lower module：
Bladder echo rf data acquisition module, for obtaining bladder echo rf data；
Bladder profile detection module, for amplitude difference and the border continuity of bladder according to the bladder echo rf data
Obtain initial bladder contour line；
Bladder profile finely tunes module, for being finely adjusted to the initial bladder contour line using key point Mobile Method, obtains most
Whole bladder contour line；
Bladder Volume computing module, for according to final bladder profile line computation Bladder Volume.
8. it is according to claim 7 calculate Bladder Volume system, it is characterised in that：The bladder profile detection module bag
Include：
Maximum tangent plane chooses unit, for being selected from the corresponding bladder ultrasonoscopy of bladder echo rf data according to priori
Take the crosscutting maximum tangent plane of bladder；
The bladder wall detection unit, for according to bladder echo rf data the bladder wall and intravesical amplitude difference from it is described most
The anterior wall of urinary bladder and posterior wall of urinary bladder are detected in each bladder echo rf data of big tangent plane, multiple anterior wall of urinary bladder points are obtained
With multiple posterior wall of urinary bladder points；
Initial bladder contour line acquiring unit, for according to the multiple anterior wall of urinary bladder point, the multiple posterior wall of urinary bladder point and wing
The border continuity of Guang, obtains the initial bladder contour line.
9. it is according to claim 7 calculate Bladder Volume system, it is characterised in that：The bladder profile finely tunes module bag
Include：
Key point setting unit, for setting several key points on initial bladder contour line；
Key point moves fitting unit, for being fitted to key point according to predetermined accuracy requirement, obtains final bladder wheel
Profile.
10. the system of the calculating Bladder Volume according to claim 7,8 or 9, it is characterised in that：The Bladder Volume is calculated
Module includes：
First radial values detection unit, for detecting any two points on final bladder contour line between ultimate range conduct
First radial values D1；
Cutter unit, for being fitted to bladder using ellipsoid model, according to final bladder contour line by bladder edge
N cylinder is cut into perpendicular to the direction of the first radial values D1 and obtain the radius d and h high of this n cylinder, this n circle
The radius d and h high of cylinder are respectively：(d1,h2)、(d2,h2)...(dn,hn), wherein, n is that the cylinder to be cut of setting is total
Number, d1、d2...dnRespectively the 1st to n-th radius of cylinder, h1、h2...hnRespectively the 1st to n-th cylinder
Height；
Bladder Volume computing unit, Bladder Volume V, the bladder are calculated for the radius d and h high according to this n cylinder
The computing formula of volume V is：
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259974.7A CN106821419A (en) | 2016-12-30 | 2016-12-30 | Calculate the method and system of Bladder Volume |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611259974.7A CN106821419A (en) | 2016-12-30 | 2016-12-30 | Calculate the method and system of Bladder Volume |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106821419A true CN106821419A (en) | 2017-06-13 |
Family
ID=59113715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611259974.7A Pending CN106821419A (en) | 2016-12-30 | 2016-12-30 | Calculate the method and system of Bladder Volume |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106821419A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107361790A (en) * | 2017-07-31 | 2017-11-21 | 天津迈达医学科技股份有限公司 | A kind of intelligent bladder localization method based on ultrasonic image |
| CN108030510A (en) * | 2017-11-20 | 2018-05-15 | 深圳蓝韵医学影像有限公司 | Bladder Volume measuring method, device and computer-readable recording medium |
| CN111938704A (en) * | 2020-08-17 | 2020-11-17 | 辽宁汉德科技有限公司 | Bladder volume detection method and device and electronic equipment |
| CN113712598A (en) * | 2021-09-09 | 2021-11-30 | 天津理工大学 | Portable bladder urine volume monitoring system and method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006606A1 (en) * | 1985-05-08 | 1986-11-20 | International Biomedics, Inc. | Apparatus for non-invasively measuring the volume of urine in a human bladder |
| US6213949B1 (en) * | 1999-05-10 | 2001-04-10 | Srs Medical Systems, Inc. | System for estimating bladder volume |
-
2016
- 2016-12-30 CN CN201611259974.7A patent/CN106821419A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1986006606A1 (en) * | 1985-05-08 | 1986-11-20 | International Biomedics, Inc. | Apparatus for non-invasively measuring the volume of urine in a human bladder |
| US6213949B1 (en) * | 1999-05-10 | 2001-04-10 | Srs Medical Systems, Inc. | System for estimating bladder volume |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107361790A (en) * | 2017-07-31 | 2017-11-21 | 天津迈达医学科技股份有限公司 | A kind of intelligent bladder localization method based on ultrasonic image |
| CN107361790B (en) * | 2017-07-31 | 2020-07-10 | 天津迈达医学科技股份有限公司 | Intelligent bladder positioning method based on ultrasonic image |
| CN108030510A (en) * | 2017-11-20 | 2018-05-15 | 深圳蓝韵医学影像有限公司 | Bladder Volume measuring method, device and computer-readable recording medium |
| CN111938704A (en) * | 2020-08-17 | 2020-11-17 | 辽宁汉德科技有限公司 | Bladder volume detection method and device and electronic equipment |
| CN111938704B (en) * | 2020-08-17 | 2023-12-01 | 辽宁汉德科技有限公司 | Bladder volume detection method and device and electronic equipment |
| CN113712598A (en) * | 2021-09-09 | 2021-11-30 | 天津理工大学 | Portable bladder urine volume monitoring system and method |
| CN113712598B (en) * | 2021-09-09 | 2023-07-25 | 天津理工大学 | Portable bladder urine volume monitoring system and method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106821419A (en) | Calculate the method and system of Bladder Volume | |
| CN110177504B (en) | Method for measuring parameters in ultrasonic image and ultrasonic imaging system | |
| US9801614B2 (en) | Ultrasound diagnostic apparatus, ultrasound image processing method, and non-transitory computer readable recording medium | |
| WO2016194161A1 (en) | Ultrasonic diagnostic apparatus and image processing method | |
| US5605155A (en) | Ultrasound system for automatically measuring fetal head size | |
| US11464490B2 (en) | Real-time feedback and semantic-rich guidance on quality ultrasound image acquisition | |
| CN101872425B (en) | Empirical mode decomposition based method for acquiring image characteristics and measuring corresponding physical parameters | |
| CN104665872B (en) | A kind of carotid intimal medial thickness measuring method and device based on ultrasonoscopy | |
| CN108882917A (en) | A kind of heart volume discriminance analysis system and method | |
| US20110196236A1 (en) | System and method of automated gestational age assessment of fetus | |
| US20110158490A1 (en) | Method and apparatus for extracting and measuring object of interest from an image | |
| CN105559828B (en) | Blood flow imaging method and system | |
| US20210393240A1 (en) | Ultrasonic imaging method and device | |
| US10736608B2 (en) | Ultrasound diagnostic device and ultrasound image processing method | |
| CN101785674B (en) | Novel bladder scanner and test method thereof | |
| CN106659480A (en) | Ultrasound diagnostic image generating device and method | |
| US7376252B2 (en) | User interactive method and user interface for detecting a contour of an object | |
| CN104490475B (en) | Probe emission lines angle automatic adjusting method, apparatus and system in one kind puncture | |
| CN112568933B (en) | Ultrasonic imaging method, apparatus and storage medium | |
| EP3820374B1 (en) | Methods and systems for performing fetal weight estimations | |
| JP5210960B2 (en) | Ultrasonic diagnostic equipment | |
| CN112932542B (en) | Method and system for measuring thickness of intravascular medium membrane and ultrasonic imaging equipment | |
| CN115330681A (en) | Ultrasonic image measuring method, system, intelligent terminal and storage medium | |
| CN115813433A (en) | Follicle measuring method based on two-dimensional ultrasonic imaging and ultrasonic imaging system | |
| CN113229850A (en) | Ultrasonic pelvic floor imaging method and ultrasonic imaging system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |