CN1539379A - Method and device for testing velocity field and acceleration field in omnidirectional N type cardiogram - Google Patents
Method and device for testing velocity field and acceleration field in omnidirectional N type cardiogram Download PDFInfo
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- CN1539379A CN1539379A CNA2003101042840A CN200310104284A CN1539379A CN 1539379 A CN1539379 A CN 1539379A CN A2003101042840 A CNA2003101042840 A CN A2003101042840A CN 200310104284 A CN200310104284 A CN 200310104284A CN 1539379 A CN1539379 A CN 1539379A
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Abstract
An equipment for detecting the speed field and acceleration field of omnibearing M-type cardiogram is composed of omnibearing M-type cardiogram system, margin extracting module, containing linear module, speed generating module and acceleration generating module. Its method includes choosing an omnibering M-type cardiogram of a relative part of heart, extracting its margin, performing time differentiation to obtain the moving speed of said part, and performing time differentiation to obtain its acceleration.
Description
Technical field
The present invention relates to the velocity field of detection method and device thereof, particularly a kind of all-direction M type electro cardiogram of a kind of velocity field and acceleration field and the detection method and the device thereof of acceleration field.
Background technology
The velocity field of all-direction M type electro cardiogram and the detection method of acceleration field and device thereof are to be used to detect each movement velocity and acceleration constantly of each position of each structure of heart, thus the motion and the distortion that further disclose each structure in the heart.Domestic and foreign literature still finds no and closes this report on the one hand at present, although patent of invention: all-direction M type electro cardiogram method and system thereof (its patent No. is ZL98125713.5) have solved from the heart two-dimensional sectional image movement locus of rebuilding the cardiac structure a part of being caught on any a plurality of line of direction (or be called moving wave shape figure be all-direction M type electro cardiogram), and this figure let us is clear and can compare each structure of heart synchronously all are determined the move size of (moving) amplitude of position.But these movement locus also are each heart structure motion amplitude (visual sense feeling is to motion in other words) constantly, this is the most primary from the research of motion and power, because having to disclose implicit wherein deeper motion, it does not disclose the reason that produces these motions (moving) size in other words, and the heart difference of human body, the maximum characteristics of other internal organs of human body are " moving " words, be the motion and the distortion of each structure in the heart, also just because their motion and distortion have brought human life, the motion and the distortion be the origin of heart disease unusually, so to the motion and the distortion further investigation be very important problem of cardiovascular hematodinamics.The motion or the distortion of each structural section picture of heart, promptly be embodied in the motion or the distortion of its two dimensional image, produce the former of various motions in response to being deeper movable information, be movement velocity so that the understanding of acceleration, also be a certain moment point motion owing to this constantly speed cause (ds=vdt), and be complicated for the motion at each each position of structure of heart, each speed constantly generally is different, be V=V (t), and dv=adt
Thereby finding out that certain speed and acceleration constantly is to cause that each position of each structure of heart moves the origin of (or distortion), is very important kinematic parameter (or movable information), acceleration
Prior meaning is arranged, because
If
Tried to achieve, it has a qualitative and accurate quantitative understanding to each moment (can compare with the electrocardiogram benchmark) total force of each position of each structure of heart.So above work will be that more profound no wound ground is to doing hemodynamic research in the heart, this is the important process of heart medical science, it can touch heart inside (as conduit puncture) but obtain from the analysis and the research of the sequence image of B ultrasonic, so these work will be very significant.
Summary of the invention
In order to overcome above-mentioned deficiency, the purpose of this invention is to provide a kind of velocity field of all-direction M type electro cardiogram and the detection method and the device thereof of acceleration field, it can measure each movement velocity and acceleration constantly of each position of each structure of heart exactly, thereby will not have the movable information that wound ground discloses each structure position of heart to a deeper level, detect foundation accurately for the diagnosis heart disease provides.
The objective of the invention is to realize by following technical proposals.
The present invention invents the further deep invention of making on the basis of " all-direction M type electro cardiogram method and system thereof " (its patent No. is ZL98125713.5) at me, in described patent, it can be in arbitrary position of ultrasoundcardiogram cross section picture (also multiposition) simultaneously is provided with any direction, any a plurality of line of direction, propose they gray scale (position)～time waveform figure, the i.e. all-direction M type electro cardiogram at each position of corresponding each structure of heart.The present invention is an all-direction M type electro cardiogram waveform of selecting a certain position of required corresponding heart structure in these all-direction M type electro cardiograms arbitrarily, and after it is made edge extracting, again it is made the discrete function differential of time, thereby obtain each movement velocity constantly of this position, and constituting the movement velocity envelope (V=V (t)) at this position of full-time axle, we claim that it is a velocity field; After obtaining a part movement velocity envelope, it is made the discrete function differential of time, thereby obtain the per moment acceleration of motion in this position, and constitute the acceleration envelope (a=a (t)) of the full-time axle in this position, we are referred to as acceleration field.
The velocity field of all-direction M type electro cardiogram and the detection method of acceleration field comprise following steps:
1. produce all-direction M type electro cardiogram by the all-direction M type electro cardiogram system;
2. from all-direction M type electro cardiogram, select the required gray scale that can represent heart structure appointed part (position)～time waveform figure, detect accurate level and smooth " edge " curve that accurately goes out to represent this position movement locus, i.e. S=S (t);
With this movement locus to the time catch cropping discrete function single order differential (or saying the slope of asking per moment of movement locus), thereby obtain velocity field, promptly
To the velocity field of having tried to achieve after level and smooth to the time catch cropping discrete function single order differential (or saying the slope of asking per moment of velocity field), thereby obtain acceleration field, promptly
5. the figure of above-mentioned " edge " curve, velocity field and acceleration field and data thereof all can be stored or be shown to print.
Described " edge " curve that extracts from gray scale (position)～time waveform figure of having selected, promptly S=S (t) utilizes mobile wire template detection to go out to represent movable data point of this moment of this position of heart structure movement locus in time.
Described S=S (t), to its indivedual dialysis points, singular point do artificial strange, from the intervention of point and level and smooth, thereby obtain the edge envelope of continuous whole.
The edge envelope of described continuous whole is corrected its edge with the gray scale difference method and smoothly, is obtained the movement locus of heart structure appointed part accurately.
Described velocity field has formed the V=V (t) of continuous whole after level and smooth.
Described acceleration field has formed the a=a (t) of continuous whole after level and smooth.
Described S=S (t), V=V (t) and a=a (t) but figure all demonstration, the print data management module of loopback all-direction M type electro cardiogram total system, and can show, printout.
The velocity field of all-direction M type electro cardiogram and the checkout gear of acceleration field include the all-direction M type electro cardiogram system, promptly include computer and display thereof, printer, put camera, all-direction M type electro cardiogram is rebuild module, electrocardiogram extraction module and demonstration, the print data management module, it is characterized in that it also comprises the edge extracting module, speed generation module and acceleration generation module, wherein the edge extracting module comprises the wire template, export the position movement locus in time of exporting the heart measured point after the wire template of selected kinetocardiogram in the edge extracting module handled by the all-direction M type electro cardiogram system, be S=S (t), this movement locus is output speed field envelope V=V (t) after the velocity field generation module is handled, this envelope is output acceleration field envelope a=a (t) after the acceleration field generation module is handled, above-mentioned S=S (t), V=V (t) and a=a (t) but the equal loopback all-direction M type electro cardiogram system of information graphic aroused in interest, and can print by showing that the print data management module shows.
The vertical direction that described wire template is general edge detection template detects template.
The present invention is the kinetocardiogram (being movement locus) that further discloses selecteed heart structure a part correspondence on the basis of existing " all-direction M type electro cardiogram method and system thereof ", obtain wavy line through the edge extracting module, and obtain its speed envelope and acceleration envelope through speed generation module and acceleration generation module, disclose the movable information at each position of heart thereby can there be wound ground to a deeper level, it is applicable to the extraction of these movable informations of all medical images that video is exported.Be used for the heart B ultrasonic, color ultrasound, the present invention can synchronously show in the cross-sectional image (under the digitized permission) mutual synchronous gray scale (position)～time waveform figure of any a plurality of any directions sampling line segments institutes corresponding (and and electrocardiogram benchmark), be s=s (t), and v=v (t) and a=a (t) oscillogram, this system provides intracardiac each structure such as chamber wall in the easypro compression process of heart for this reason, on the position points such as blood vessel each be mobile range constantly, speed, the data of acceleration and cavity wall thickness and change procedure thereof, this is the heart movements such as systolic and diastolic function to each structure of heart, directly accurately detecting of data in deformation data and the process thereof (data of comparing when comprising).The Doppler of the up-to-date in the world ventricular wall motion (can only measure speed) of its contrast detects has not the recipient to restriction be not to be converted to speed through other parameters (as frequency), but the two big advantages of directly measuring, be even more important it can also sense acceleration, because it can generate mutual again synchronous M type kinetocardiogram and the velocity field thereof of any a plurality of any direction, acceleration field, so it can also between the overall and details at each each position of structure of heart interact and relation is analyzed, research and evaluation, in addition, all all-direction M type electro cardiograms and velocity field thereof that same sample sequence ultrasoundcardiogram cross section picture group obtains, the electrocardiogram (axle benchmark when doing) of acceleration field envelope line chart and two dimensional echocardiogram below all mutually synchronously, can carry out amplitude, in time, equate relatively and measurement.For this reason, it will have significant meaning to the diagnosis and the hemodynamic research of heart disease.
Description of drawings
Fig. 1 is a checkout gear structure chart of the present invention.
Fig. 2 is edge extracting modular structure figure among Fig. 1.
Fig. 3 is Fig. 1 medium velocity field generation module structure chart.
Fig. 4 is an acceleration field generation module structure chart among Fig. 1.
Fig. 5 is the output figure as a result of checkout gear of the present invention.
Fig. 6 exports figure as a result synchronously for the velocity field and the electrocardiogram of a part of heart different structure.
Fig. 7 exports figure as a result synchronously for the acceleration field and the electrocardiogram of a part of heart different structure.
The specific embodiment
As shown in Figures 1 to 4, of the present invention before topic be to produce on the basis of " all-direction M type electro cardiogram " waveform, and to the figure aroused in interest (also being movement locus) of selecteed heart structure a part correspondence by analysis computing obtain its speed and acceleration.
The detection method of velocity field of the present invention and acceleration field comprises following steps:
1. from all-direction M type electro cardiogram, select to represent gray scale (the position)～time waveform figure of heart structure appointed part;
2. with manually leaving a window, in this window, to pick up from top to bottom to measure and represent this moment kinematic wave form point of this position of heart structure with the wire template, mobile wire template can form this position movement locus in time.
To indivedual dialysis points, singular point do artificial strange, from the intervention of point, thereby form complete edge line envelope.
4. with the gray scale difference method this complete edge is corrected, thereby obtained the movement locus of heart structure appointed part accurately.This track has only a point value for a moment, promptly become unique dependent variable of time variable, such edge envelope is exactly our needed edge envelope, heart structure one is determined position movement locus in time in other words conj.or perhaps, be S=S (t), it is shown, the print data management module receives the basis of detecting as further velocity field, also can directly be shown, prints and enter in the data management of all-direction M type electro cardiogram total system.
5. select the heart structure by the demonstration in the all-direction M type electro cardiogram system, print data management module and determine that wave edges envelope aroused in interest (the being movement locus) S=S (t) of position makes the single order differential of discrete function, promptly
V=V
1(t), V
2(t) ... V
i(t) ..., the speed V that these are discrete
i(t) formed V=V (t) bag route after smoothed, demonstration, the print data management module of going into the all-direction M type electro cardiogram total system as the basis and the loopback of acceleration detection.
By show, the print data management module extracts single order differential that velocity field envelope V=V (t) makes discrete function promptly
A=a
1(t), a
2(t) ... a
i(t) ..., the acceleration a that these are discrete
i(t) formed a=a (t) envelope after smoothed, be transmitted back to demonstration, print data management module, as the data of acceleration and the output of waveform.
7. the output that is illustrated in figure 5 as checkout gear of the present invention is figure as a result, and it can show boundary curve, velocity field, acceleration field and the electrocardiogram of heart structure position waveform aroused in interest simultaneously.
The checkout gear of speed of the present invention and acceleration field is by the all-direction M type electro cardiogram system, the edge extracting module, the velocity field generation module, acceleration field generation module and demonstration print data management module, the all-direction M type electro cardiogram system comprises computer and display thereof, printer, put camera, all-direction M type electro cardiogram is rebuild module and electrocardiogram waveform extracting module, the edge extracting module comprises a wire template, it is the vertical direction detection template of general edge detection template, it can be used for detecting from top to bottom the kinematic wave form point of representing this this moment of position of heart structure, each has just formed this position movement locus in time after data point is detected constantly, be S=S (t), in order to generate complete edge envelope, the movement locus that forms through the edge extracting module is by manually-operated, to its indivedual dialysis points, singular point is done artificial strange, intervention from point can obtain, reuse gray scale difference method this complete edge is corrected and level and smooth after, thereby obtain the movement locus of heart structure appointed part accurately, be S=S (t), it is shown, the print data management module receives the foundation that detects as further velocity field, also can directly be shown, print, or enter in the data management of all-direction M type electro cardiogram total system; Select the heart structure by demonstration, printing, data management module and determine the wave edges envelope aroused in interest of position (being its movement locus) S=S (t), send into the velocity field generation module, this module can be made the single order differential of discrete function to S=S (t), promptly
V=V
1(t), V
2(t) ..., V
i(t) ... formed V=V (t) envelope after these discrete speed are smoothed, this envelope is as the foundation of sense acceleration, gone into demonstration, print data management module by loopback, and can print by this module demonstration, be illustrated in figure 6 as the velocity field and the electrocardiogram synchronization scheme of a part of heart different structure; By show, the print data management module extracts velocity field envelope V=V (t), sends into the acceleration field generation module, the single order differential that this module can be made discrete function to V=V (t) is promptly
A=a
1(t), a
2(t) ... a
i(t) ..., the acceleration a that these are discrete
i(t) formed a=a (t) envelope after smoothed, loopback demonstration, print data management module, and can show, printout, be illustrated in figure 7 as the acceleration field and the electrocardiogram synchronization scheme of a part of heart different structure.As shown in Figure 5, its work process is: select a certain required kinetocardiogram in the all-direction M type electro cardiogram of all-direction M type electro cardiogram system output, " window " with click and carry out fenestration procedure; Reuse click border, then generate the first shape on border, by manually-operated, click the mouse right button " correction module " to its indivedual dialysis points, singular point do artificial strange, can obtain from the intervention of point, reuse gray scale difference method this complete edge is corrected and level and smooth after, thereby obtain the movement locus of heart structure appointed part accurately, i.e. S=S (t); Click " speed/acceleration ", formation speed, acceleration envelope automatically, and can show, printout.
Claims (9)
1, the detection method of a kind of velocity field of all-direction M type electro cardiogram and acceleration field comprises following steps:
1) produces all-direction M type electro cardiogram by the all-direction M type electro cardiogram system;
2) from all-direction M type electro cardiogram, select the required gray scale that can represent heart structure appointed part (position)～time waveform figure, detect accurate level and smooth " edge " curve that accurately goes out to represent this position movement locus, i.e. S=S (t);
3) with this movement locus to the time catch cropping discrete function single order differential (or saying the slope of asking per moment of movement locus), thereby obtain velocity field, promptly
4) to the velocity field of having tried to achieve after level and smooth to the time catch cropping discrete function single order differential (or saying the slope of asking per moment of velocity field), thereby obtain acceleration field, promptly
5) figure of above-mentioned " edge " curve, velocity field and acceleration field and data thereof all can be stored or be shown and printed.
2, the detection method of the velocity field of all-direction M type electro cardiogram according to claim 1 and acceleration field, it is characterized in that described " edge " curve that extracts from gray scale (position)～time waveform figure of having selected, promptly S=S (t) utilizes mobile wire template detection to go out to represent movable data point of this moment of this position of heart structure movement locus in time.
3, the detection method of the velocity field of all-direction M type electro cardiogram according to claim 1 and acceleration field, it is characterized in that described S=S (t), to its indivedual dialysis points, singular point do artificial strange, from the intervention of point and level and smooth, thereby obtain the edge envelope of continuous whole.
4, the detection method of the velocity field of all-direction M type electro cardiogram according to claim 1 and acceleration field, it is characterized in that described complete edge envelope corrects its edge with the gray scale difference method and smoothly, obtain the movement locus of heart structure appointed part accurately.
5, the detection method of the velocity field of all-direction M type electro cardiogram according to claim 1 and acceleration field is characterized in that described velocity field V=V (t) has formed the V=V (t) of continuous whole after level and smooth.
6, the detection method of the velocity field of all-direction M type electro cardiogram according to claim 1 and acceleration field is characterized in that described acceleration field α=α (t) has formed the a=a (t) of continuous whole after level and smooth.
7, the detection method of the velocity field of all-direction M type electro cardiogram according to claim 1 and acceleration field, it is characterized in that described S=S (t), V=V (t) and a=a (t) but figure all demonstration, the print data management module of loopback all-direction M type electro cardiogram total system, and can show, printout.
8, a kind of velocity field of all-direction M type electro cardiogram and the checkout gear of acceleration field include the all-direction M type electro cardiogram system, promptly include computer and display thereof, printer, put camera, all-direction M type electro cardiogram is rebuild module, electrocardiogram extraction module and demonstration, the print data management module, it is characterized in that it also comprises the edge extracting module, speed generation module and acceleration generation module, wherein the edge extracting module comprises the wire template, export the position movement locus in time of exporting the heart measured point after the wire template of selected kinetocardiogram in the edge extracting module handled by the all-direction M type electro cardiogram system, be S=S (t), this movement locus is output speed field envelope V=V (t) after the velocity field generation module is handled, this envelope is output acceleration field envelope a=a (t) after the acceleration field generation module is handled, above-mentioned S=S (t), V=V (t) and a=a (t) but the equal loopback all-direction M type electro cardiogram system of information graphic aroused in interest, and can print by showing that the print data management module shows.
9, the checkout gear of the velocity field of all-direction M type electro cardiogram according to claim 8 and acceleration field is characterized in that the vertical direction that described wire template is general edge detection template detects template.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100418482C (en) * | 2005-08-11 | 2008-09-17 | 福州大学 | Method and apparatus for detecting acceleration field of tissue image of colorful Doppler ultrasonography |
| CN102217952A (en) * | 2011-06-17 | 2011-10-19 | 四川省医学科学院（四川省人民医院） | Vector loop diagram generation method and device based on myocardium movement locus |
| CN102906789A (en) * | 2010-03-29 | 2013-01-30 | 索尼公司 | Data processing device, data processing method, image processing device, image processing method, and program |
| CN103476328A (en) * | 2011-04-14 | 2013-12-25 | 皇家飞利浦有限公司 | Stepped alarm method for patient monitors |
| CN103476328B (en) * | 2011-04-14 | 2016-11-30 | 皇家飞利浦有限公司 | Staged alarming method for patient monitor |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO943214D0 (en) * | 1994-08-30 | 1994-08-30 | Vingmed Sound As | Method of ultrasound imaging |
| NO963175D0 (en) * | 1996-07-30 | 1996-07-30 | Vingmed Sound As | Method of analysis and measurement |
| CN1069515C (en) * | 1998-12-10 | 2001-08-15 | 福州大学 | All-direction M type electro cardiogram method and system thereof |
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2003
- 2003-10-29 CN CNB2003101042840A patent/CN100349549C/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN100418482C (en) * | 2005-08-11 | 2008-09-17 | 福州大学 | Method and apparatus for detecting acceleration field of tissue image of colorful Doppler ultrasonography |
| CN102906789A (en) * | 2010-03-29 | 2013-01-30 | 索尼公司 | Data processing device, data processing method, image processing device, image processing method, and program |
| US9786052B2 (en) | 2010-03-29 | 2017-10-10 | Sony Corporation | Image processing apparatus and method for evaluating objects in an image |
| US10311582B2 (en) | 2010-03-29 | 2019-06-04 | Sony Corporation | Image processing apparatus and method for evaluating objects in an image |
| US10692223B2 (en) | 2010-03-29 | 2020-06-23 | Sony Corporation | Image processing apparatus and method for evaluating objects in an image |
| CN103476328A (en) * | 2011-04-14 | 2013-12-25 | 皇家飞利浦有限公司 | Stepped alarm method for patient monitors |
| CN103476328B (en) * | 2011-04-14 | 2016-11-30 | 皇家飞利浦有限公司 | Staged alarming method for patient monitor |
| CN102217952A (en) * | 2011-06-17 | 2011-10-19 | 四川省医学科学院（四川省人民医院） | Vector loop diagram generation method and device based on myocardium movement locus |
| CN102217952B (en) * | 2011-06-17 | 2014-05-07 | 四川省医学科学院（四川省人民医院） | Vector loop diagram generation method and device based on myocardium movement locus |
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