CN102274051B - Method and system for automatically measuring bladder volume of ultrasonic image - Google Patents
Method and system for automatically measuring bladder volume of ultrasonic image Download PDFInfo
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Abstract
The invention relates to a method and system for automatically measuring the bladder volume of an ultrasonic image. The method for measuring the bladder volume comprises the following steps of: acquiring an ultrasonic image; acquiring an ultrasonic bladder image through ultrasonic scanning; preprocessing the ultrasonic image; preprocessing the acquired ultrasonic bladder image; acquiring a bladder pixel contour line through the gray level difference between the ultrasonic bladder image and peripheral ultrasonic non-bladder images; selecting radial line measured values: analyzing the acquired bladder pixel contour line and selecting a first radial line measured value and a second radial line measured value; and the measuring the bladder volume according to the selected first radial line measured value and the selected second radial line measured value. According to the method for measuring the bladder volume of the ultrasonic image, the measuring result is more accurate, and the measuring precision is improved; meanwhile the repeated and dried works of a user can be reduced, and the efficiency of an ultrasonic diagnosis system is improved; and the method disclosed by the invention is more convenient and rapid to use.
Description
Technical field
The present invention relates to method and device that a kind of image is automatically measured, particularly a kind of method for automatic measurement and device of the bladder volume based on ultrasonoscopy.
Background technology
Along with development of electronic technology, the Type B ultrasonic system is applied in the medical science owing to have Non-Invasive advantage more and more, in the urinary system inspection, also is widely used simultaneously; The volume reflection intravesical urine amount of bladder is one of important parameter of urinary system inspection, and it also has the reference value of outbalance to the treatment of some urinary disorders; Therefore, it also is in the urinary system applications of ultrasound requisite one to the measurement of bladder volume.
And at present, the bladder volume of two-dimensional ultrasonic image is measured, and then many is main with manual measurement; Mainly describe the radial line of bladder, calculate the volume of bladder again through respective formula through the mode manual positioning of motion track ball; But in the manual measurement process, user's operation technique and proficiency level can influence the location to destination object, thereby manual errors inevitably occurs; And needing continuous repetitive work, uninteresting dullness is also lost time, when carrying out the bladder volume measurement; Often make measurement result inaccurate, influence doctor's judgement, therefore need new metering system because of manual errors; To reduce error, improve the accuracy of measuring, thereby avoid the doctor to produce erroneous judgement.
Summary of the invention
The object of the present invention is to provide and a kind ofly measure the method and the device of bladder volume automatically, reducing error, and improve the accuracy of measuring through ultrasonoscopy.
The present invention provides a kind of ultrasonoscopy bladder volume measuring method, comprises the steps: step 1: obtain ultrasonoscopy: through ultrasonic scanning, obtain the bladder ultrasonoscopy; Step 2: ultrasonoscopy pretreatment: the bladder ultrasonoscopy to obtaining carries out pretreatment; Step 3: obtain bladder pixel contour line:, obtain bladder pixel contour line through the bladder ultrasonoscopy and the gray difference of non-bladder ultrasonoscopy on every side; Step 4: choose the radial line measured value: the bladder pixel contour line to obtaining carries out analyzing and processing, chooses the first radial line measured value and the second radial line measured value; Step 5: bladder volume is measured: according to the volume of first radial line measured value of choosing and second radial line measured value measurement bladder.
In an embodiment of the present invention; A kind of ultrasonoscopy bladder volume measuring method; Before obtaining bladder pixel contour line step, also comprise bladder ultrasonoscopy scope location: choose the sampling frame; Confirm the scope of bladder ultrasonoscopy, and obtain bladder ultrasonoscopy detection starting point through the centralized positioning of sampling frame.
In an embodiment of the present invention, a kind of ultrasonoscopy bladder volume measuring method is obtained bladder list pixel wheel profile step and is comprised that the testing image scope that said sampling frame is confirmed carries out Region Segmentation, obtains the bladder image-region; And the edge of bladder image-region followed the tracks of, obtain the pixel wheel profile of bladder image-region.
In an embodiment of the present invention, a kind of ultrasonoscopy bladder volume measuring method, in choosing radial line measured value step, it is to take up an official post and anticipate the maximum of distance between two points as first radial line through measuring the pixel wheel profile that said first radial line is chosen; Measure on single pixel profile any 2 o'clock through the central point of first radial line and perpendicular to 2 distances of first radial line as second radial line.
In an embodiment of the present invention, a kind of ultrasonoscopy bladder volume measuring method comprises the gray difference that ultrasonoscopy is carried out denoising and enhancing bladder ultrasonoscopy and non-bladder ultrasonoscopy to the pretreated step of ultrasonoscopy.
The present invention provides a kind of ultrasonoscopy bladder volume measuring device, comprising: image generation unit is used to generate the bladder ultrasonoscopy; The image pretreatment unit is connected with said image generation unit, is used for the bladder ultrasonoscopy of producing is carried out pretreatment; Image acquisition unit is connected with said image pretreatment unit, is used to obtain the pixel wheel profile; Bladder radial line measuring unit is connected with said image acquisition unit, is used for measuring the first radial line measured value and the second radial line measured value from bladder pixel contour line; The bladder volume measuring unit is connected with said bladder radial line measuring unit, is used for according to the measured value of the first radial line measured value and second radial line bladder volume being measured.
In an embodiment of the present invention, a kind of ultrasonoscopy bladder volume measuring device, said image generation unit comprise the image capture module and the images acquired generation module that is used for the ultrasonoscopy of gathering is shown generation that is used to gather ultrasonoscopy.
In an embodiment of the present invention, a kind of ultrasonoscopy bladder volume measuring device also comprises the image range positioning unit that is connected with image acquisition unit with the image pretreatment unit, is used for confirming the scope and the image detection starting point of bladder image.
In an embodiment of the present invention, said image range positioning unit also comprises and is used for the sampling module that the bladder ultrasonoscopy is taken a sample and is used for the locating module that the scope with the bladder image positions.
In an embodiment of the present invention, said image acquisition unit carries out image segmentation through the measuring range to the bladder ultrasonoscopy, obtains bladder pixel contour line.
In an embodiment of the present invention, said image pretreatment unit also comprises the gradation of image processing unit that is used for noise removal process unit that the bladder ultrasonoscopy is carried out denoising and the gray difference that strengthens bladder ultrasonoscopy and non-bladder ultrasonoscopy.
Method and device that ultrasonoscopy bladder volume of the present invention is measured; Main adopt sampling to confine the mode that position and image segmentation combine; Automatically bladder image list pixel profile edge is detected, measure the radial line of bladder automatically, thereby estimate the volume of bladder automatically; Make measurement result more accurate; Simultaneously can also reduce the user and repeat scissors and paste, improve the efficient of compuscan, use more convenient, quick.
For letting the above-mentioned feature and advantage of the present invention can be more obviously understandable, hereinafter is special lifts embodiment, and cooperates appended graphic elaborating as follows, and wherein identical label is indicated same or similar unit or step.
Description of drawings
Fig. 1 is the flow chart of a kind of ultrasonoscopy bladder volume of the present invention method for automatic measurement;
Fig. 2 is a kind of ultrasonoscopy bladder volume of the present invention self-operated measuring unit sketch map;
Fig. 3 is the sketch map that the bladder radial line measured value of a kind of ultrasonoscopy bladder volume of the present invention method for automatic measurement obtains;
Preferred forms
As shown in Figure 1, the present invention provides a kind of ultrasonoscopy bladder volume method for automatic measurement, comprises the steps:
Step 101: obtain the bladder ultrasonoscopy; Wherein this bladder ultrasonoscopy is a two dimensional image in this embodiment, also can be 3-D view certainly;
Its concrete work process of obtaining the bladder ultrasonoscopy is following:
At first receive outside enabling signal, compuscan is started working; Carry out signals collecting through ultrasonic probe then, and the signal of gathering is handled the bladder ultrasonoscopy that generation need be measured;
The bladder ultrasonic image area is arranged at the centre position of ultrasonoscopy, and wherein the bladder ultrasonoscopy is the opaque dark area of fluid, and the gray scale of non-bladder ultrasonic image area is the gray scale that is higher than the bladder ultrasonic image area.
Step 102: to the ultrasonoscopy pretreatment; Promptly the bladder ultrasonoscopy of confirming to be measured is carried out pretreatment, to strengthen the gradation of image of non-bladder ultrasonic image area; Just, strengthen the gray difference of bladder ultrasonic image area and non-bladder ultrasonic image area.
The practical implementation process is: ultrasonoscopy is carried out pretreatment, to reduce the noise of image, strengthen the contrast of image, thereby reach the gray difference that increases bladder ultrasonic image area to be measured and non-bladder ultrasonic image area; Wherein in two steps to the pretreatment of ultrasonoscopy:
The first step: the processing of bladder ultrasonoscopy to be measured being removed noise.Because ultrasonoscopy contains a large amount of noise backgrounds usually, and have bright, what have is dark, this has just influenced judges the detection of bladder image border in the ultrasonoscopy, therefore needs to utilize the technology of removing noise that the bladder ultrasonoscopy is carried out Flame Image Process; Through after the removal noise processed, most background information and noise in the bladder ultrasonoscopy just can be removed again, and the bladder ultrasonoscopy that obtains like this is more clear.
Second step: the gray difference that bladder ultrasonoscopy to be measured is strengthened bladder ultrasonic image area and non-bladder ultrasonic image area is handled; The concrete mode of rectangular histogram enhancement algorithms of using is handled; Its process is following: at first ultrasonoscopy owing to influence of various factors, can cause the downgrade of ultrasonoscopy in generation, transmission and conversion process; Therefore, need carry out enhancement process, and in this embodiment, use the mode of rectangular histogram enhancement algorithms to strengthen the gray scale of image according to qualifications image.The bladder ultrasonoscopy can increase the characteristic at bladder ultrasonoscopy edge through after the enhancement process, makes it more obviously clear, is beneficial to the rim detection to the bladder ultrasonoscopy.
Step 103: bladder ultrasonoscopy scope location: the mode of choosing the sampling frame through utilization is confirmed the scope of bladder ultrasonoscopy, utilizes sampling frame center to position simultaneously to obtain the bladder ultrasonoscopy to detect starting point.
Step 104: obtain bladder pixel contour line, wherein this pixel wheel profile is preferably single pixel wheel profile, can certainly be many pixel wheel profile; According to the characteristics of bladder opaque dark area of fluid, utilize the gray difference of bladder ultrasonoscopy and non-bladder ultrasonoscopy, utilize the mode of image segmentation to obtain bladder pixel contour line.Concrete steps are following:
The first step: detect starting point from the bladder ultrasonoscopy and begin, utilize the mode of gray scale thresholding, the testing image scope that said sampling frame is confirmed is carried out Region Segmentation, obtain the bladder image-region.
Second step: the edge line according to the bladder image-region is followed the tracks of, and obtains the pixel wheel profile in bladder zone.
Step 105: choose the radial line measured value; Concrete operations are: the bladder pixel contour line to obtaining is analyzed, then the pixel wheel profile meaning distance between two points of taking up an official post is traveled through to calculate and measures, with the ultimate range of the distance between two points of measuring as first radial line; On first radial line, choose central point then, will pass through this center and perpendicular to 2 distance of first radial line as second radial line.The method of wherein calculating the first footpath line length is:, can know that the bladder image outline is to be similar to elliposoidal (as shown in Figure 3) according to the characteristic of bladder image outline; On single pixel wheel profile, get any 2 a, b then; Ask this distance of 2
; Wherein: (a b) is the distance of any 2 a, b to D, and single pixel edge image is made up of n point; 1 ≤a ≤n wherein; 1 ≤b ≤n, (a b) forms a some set S (n) to D; Ultimate range in the calculation level S set (n) then:
The length method that calculates second radial line does;
With reference to as shown in Figure 3, can know that the mid point of 2 of a, b is o; The o coordinate of ordering is so:
Step 106: bladder volume is measured; Measure the volume of bladder according to the first radial line measured value that obtains and the second radial line measured value; Wherein the first radial line measured value and the second radial line measured value are the length of the first footpath line length and second radial line;
The bladder volume computing formula is: bladder volume V (ml)=0.523 * L1 (cm) * L2 (cm) * L2 (cm)
Wherein, L1 be the first radial line distance B (a, b), the L2 second radial line distance B (c, d); The volume V that draws is the volume of bladder.
As shown in Figure 2; The invention provides a kind of ultrasonoscopy bladder volume method for automatic measurement, comprise image generation unit 21, image pretreatment unit 22, image range positioning unit 23, image acquisition unit 24, bladder radial line measuring unit 25 and bladder volume measuring unit 26; Wherein said image generation unit 21 is used to generate the bladder ultrasonoscopy; Said image pretreatment unit 22 is connected with said image generation unit 21, and is used for the bladder ultrasonoscopy that generates is carried out pretreatment; Said image range positioning unit 23 is connected with said image acquisition unit 24 with said image pretreatment unit 22, is used for confirming the scope and the image detection starting point of bladder image.Said image acquisition unit 24 is connected with image range positioning unit 23, and said image acquisition unit 24 is connected with image pretreatment unit 22 through image range positioning unit 23 simultaneously, and this image acquisition unit 24 is used to obtain the pixel wheel profile; Said bladder radial line measuring unit 25 is connected with said image acquisition unit 24, is used for measuring the first radial line measured value and the second radial line measured value from bladder pixel contour line; Said bladder volume measuring unit 26 is connected with said bladder radial line measuring unit 25, is used for according to the measured value of the first radial line measured value and second radial line bladder volume being measured.
Wherein said image generation unit 21 comprises image capture module 211 and images acquired generation module 212; Said image capture module 211 is used to gather ultrasonoscopy, and said images acquired generation module 212 is used for the ultrasonoscopy of gathering is shown generation; Said image pretreatment unit 22 comprises the noise removal process unit and the gradation of image processing unit that is used to strengthen bladder ultrasonoscopy and non-bladder ultrasonoscopy gray difference that is used for the bladder ultrasonoscopy is removed noise; Said image range positioning unit 23 comprises and is used for the sampling module 231 that the bladder ultrasonoscopy is taken a sample and is used for the locating module 232 that the scope with the bladder image positions.Said sampling module is taken a sample to ultrasonoscopy to be measured; Said locating module positions the ultrasonoscopy of said sampling; The mode of promptly choosing through the sampling frame is confirmed the scope of bladder image to be measured; And confirm the starting point that ultrasonoscopy detects through sampling frame centralized positioning, thereby reach the ultrasonoscopy detection range confirm and ultrasonoscopy detects the affirmation of starting point.Said image acquisition unit 24 through ultrasonoscopy is cut apart, thereby obtains bladder pixel contour line; Wherein said pixel wheel profile is preferably single pixel wheel profile, can certainly be many pixel wheel profile; Said bladder volume measuring unit 25 is measured point-to-point transmission ultimate range on the said bladder list pixel wheel profile, promptly measures the length of first radial line; Measured simultaneously the first radial line central point and with vertical 2 distances of first radial line, promptly measure the length of second radial line; After the length that obtains first radial line and second radial line, calculate the volume of measuring bladder.
Ultrasonoscopy is taken a sample, located and, reach ultrasonoscopy is handled in the embodiment of the invention the mode that image is cut apart; Can also the edge of bladder image pixel profile be detected automatically simultaneously, the bladder radial line is measured automatically, thereby measure the volume of bladder.The invention solves during the conventional ultrasound bladder volume measures, need perusal bladder image-region each to ultimate range with manually choose the defective of bladder radial line measurement point; Comparatively speaking, the present invention adopts automatic measuring mode to detect bladder volume, has improved the precision that detects; Simultaneously can reduce the user and repeat scissors and paste, improve the efficient of compuscan, use more convenient, quick.
Above content is to combine concrete preferred implementation to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (11)
1. a ultrasonoscopy bladder volume measuring method is characterized in that comprising the steps:
Obtain ultrasonoscopy:, obtain the bladder ultrasonoscopy through ultrasonic scanning;
The ultrasonoscopy pretreatment: the bladder ultrasonoscopy to obtaining carries out pretreatment;
Obtain bladder pixel contour line:, obtain bladder pixel contour line through the bladder ultrasonoscopy and the gray difference of non-bladder ultrasonoscopy on every side;
Choose the radial line measured value: the bladder pixel contour line to obtaining carries out analyzing and processing, chooses the first radial line measured value and the second radial line measured value;
Bladder volume is measured: according to the volume of first radial line measured value of choosing and second radial line measured value measurement bladder, the bladder volume computing formula is: bladder volume V (ml)=0.523 * L1 (cm) * L2 (cm) * L2 (cm); Wherein, L1 be the first radial line distance B (a, b), the L2 second radial line distance B (c, d); The volume V that draws is the volume of bladder.
2. a kind of ultrasonoscopy bladder volume measuring method as claimed in claim 1; It is characterized in that before obtaining bladder pixel contour line step, also comprising bladder ultrasonoscopy scope location: choose the sampling frame; Confirm the scope of bladder ultrasonoscopy, and obtain bladder ultrasonoscopy detection starting point through the centralized positioning of sampling frame.
3. a kind of ultrasonoscopy bladder volume measuring method as claimed in claim 2 is characterized in that the said bladder pixel contour line step of obtaining comprises that the testing image scope that said sampling frame is confirmed carries out Region Segmentation, obtains the bladder image-region; And the edge of bladder image-region followed the tracks of, obtain the pixel wheel profile of bladder image-region.
4. a kind of ultrasonoscopy bladder volume measuring method as claimed in claim 1 is characterized in that said choosing in the radial line measured value step, and it is to take up an official post and anticipate the maximum of distance between two points as first radial line through measuring the pixel wheel profile that said first radial line is chosen; Measure on the pixel profile any 2 o'clock through the central point of first radial line and perpendicular to 2 distances of first radial line as second radial line.
5. a kind of ultrasonoscopy bladder volume measuring method as claimed in claim 1 is characterized in that the pretreated step of ultrasonoscopy is comprised the gray difference that ultrasonoscopy is carried out denoising and enhancing bladder ultrasonoscopy and non-bladder ultrasonoscopy.
6. ultrasonoscopy bladder volume measuring device is characterized in that comprising:
Image generation unit is used to generate the bladder ultrasonoscopy;
The image pretreatment unit is connected with said image generation unit, is used for the bladder ultrasonoscopy that generates is carried out pretreatment;
Image acquisition unit is connected with said image pretreatment unit, is used to obtain the pixel wheel profile;
Bladder radial line measuring unit is connected with said image acquisition unit, is used for measuring the first radial line measured value and the second radial line measured value from bladder pixel contour line;
The bladder volume measuring unit; Be connected with said bladder radial line measuring unit; Be used for according to the measured value of the first radial line measured value and second radial line bladder volume being measured, the bladder volume computing formula is: bladder volume V (ml)=0.523 * L1 (cm) * L2 (cm) * L2 (cm); Wherein, L1 be the first radial line distance B (a, b), the L2 second radial line distance B (c, d); The volume V that draws is the volume of bladder.
7. a kind of ultrasonoscopy bladder volume measuring device as claimed in claim 6 is characterized in that also comprising the image range positioning unit that is connected with image acquisition unit with the image pretreatment unit, is used for confirming the scope and the image detection starting point of bladder image.
8. a kind of ultrasonoscopy bladder volume measuring device as claimed in claim 7 is characterized in that said image range positioning unit also comprises and is used for the sampling module that the bladder ultrasonoscopy is taken a sample and is used for the locating module that the scope with the bladder image positions.
9. a kind of ultrasonoscopy bladder volume measuring device as claimed in claim 6 is characterized in that said image generation unit comprises the image capture module and the images acquired generation module that is used for the ultrasonoscopy of gathering is shown generation that is used to gather ultrasonoscopy.
10. a kind of ultrasonoscopy bladder volume measuring device as claimed in claim 6 is characterized in that said image acquisition unit carries out image segmentation through the measuring range to the bladder ultrasonoscopy, obtains bladder list pixel wheel profile.
11. a kind of ultrasonoscopy bladder volume measuring device as claimed in claim 6 is characterized in that said image pretreatment unit also comprises the gradation of image processing unit that is used for noise removal process unit that the bladder ultrasonoscopy is carried out denoising and the gray difference that strengthens bladder ultrasonoscopy and non-bladder ultrasonoscopy.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2015139267A1 (en) * | 2014-03-20 | 2015-09-24 | 深圳迈瑞生物医疗电子股份有限公司 | Method and device for automatic identification of measurement item and ultrasound imaging apparatus |
| CN104546000B (en) * | 2015-01-05 | 2017-01-25 | 深圳市大深生物医学工程转化研究院 | Shape feature-based ultrasonic image bladder volume measuring method and device |
| CN104545999B (en) * | 2015-01-05 | 2017-05-03 | 深圳市大深生物医学工程转化研究院 | Method and device for measuring bladder volume through ultrasound images |
| WO2018129737A1 (en) | 2017-01-16 | 2018-07-19 | 深圳迈瑞生物医疗电子股份有限公司 | Method for measuring parameters in ultrasonic image and ultrasonic imaging system |
| CN106667525B (en) * | 2017-03-03 | 2023-12-22 | 成都优途科技有限公司 | Measuring system and measuring method for acetabular coverage degree based on ultrasonic image |
| CN107307884B (en) * | 2017-07-03 | 2019-11-26 | 三峡大学 | Bladder Volume measurement, calculation method under a kind of two-dimensional ultrasound through abdomen |
| 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 |
| CN107518920B (en) * | 2017-09-30 | 2020-02-18 | 深圳开立生物医疗科技股份有限公司 | Ultrasonic image processing method and apparatus, ultrasonic diagnostic apparatus, and storage medium |
| CN108030510B (en) * | 2017-11-20 | 2021-09-03 | 深圳蓝韵医学影像有限公司 | Bladder volume measuring method, bladder volume measuring device and computer-readable storage medium |
| CN109157192B (en) * | 2018-07-09 | 2020-12-29 | 苏州峰盛医疗科技有限公司 | Method for three-dimensionally positioning bladder position based on three-dimensional motor |
| CN111345841A (en) * | 2018-12-20 | 2020-06-30 | 深圳迈瑞生物医疗电子股份有限公司 | Urine flow rate measuring method, ultrasonic device and computer storage medium |
| CN112914608A (en) * | 2019-12-06 | 2021-06-08 | 深圳迈瑞生物医疗电子股份有限公司 | Method for automatically measuring bile volume, ultrasonic imaging system and storage medium |
| CN111790011A (en) * | 2020-07-28 | 2020-10-20 | 曾洁 | Suction adjusting platform and method applying urine volume detection |
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