CN109920024A - A kind of method for drafting and device of vectorcardiographic loop - Google Patents
A kind of method for drafting and device of vectorcardiographic loop Download PDFInfo
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- CN109920024A CN109920024A CN201910087101.XA CN201910087101A CN109920024A CN 109920024 A CN109920024 A CN 109920024A CN 201910087101 A CN201910087101 A CN 201910087101A CN 109920024 A CN109920024 A CN 109920024A
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Abstract
The invention discloses a kind of method for drafting of vectorcardiographic loop and devices, wherein the method includes obtaining the known point set of vectorcardiographic loop, it is known that point set is the set of the sampled point sampled to vectorcardiographic loop；Increase at least one interpolation point between adjacent sampled point based on the profile of known point set analog electrocardiogram vector ring, and using presetting method, to draw vectorcardiographic loop；The unit group being made of sampled point and interpolation point set is established, interpolation point set is the set of at least one interpolation point positioned at sampled point side；It need to be shown a little based on the unit of display determination of lacrimal point, and a little extract at least one interpolation point-rendering lacrimal point out of corresponding unit group interpolation point set according to that need to show, need to show a little is to need sampled point to be shown under the unit of display of lacrimal point.Scheme disclosed by the invention can optimize lacrimal point model, improve and draw vectorcardiographic loop level, reduce and mislead to the vision of user.
Description
Technical field
The invention belongs to electrocardial vector analysis technical fields, and in particular to a kind of method for drafting and dress of vectorcardiographic loop
It sets.
Background technique
The drafting of current vectorcardiographic loop uses the discrete data of Frank lead.Discrete data constitutes discrete point, at this
The lacrimal point of vectorcardiographic loop is drawn on a little discrete points, lacrimal point is small in the big tail of head, and major part is directed toward the direction of inscription of loop.Traditional lacrimal point
Be in line mode, and slope uses point PnWith the point P of frontn-1Slope value.
P wave ring, QRS wave ring, T wave ring are primarily upon in vectorcardiographic loop.Because the profile of P wave ring and T wave ring is smaller,
The profile of QRS wave ring is big, therefore under identical sample rate, when the sampled point of P wave ring and T wave ring is closeer, QRS wave ring
Sampled point is possible to seem than sparse.In sparse situation, it is further continued for drawing lacrimal point using straight line pattern, will lead to these
The traffic direction of lacrimal point cannot represent the traffic direction of the ring at sampled point, put overall profile that is more sparse more cannot characterizing ring.
When the unit of display of lacrimal point is changed, above situation is more serious, or even will appear deformity.
Therefore, how to optimize lacrimal point model, improve the level for drawing vectorcardiographic loop, reduce and the vision of user is misled,
As technical problem urgently to be resolved.
Summary of the invention
The technical problem to be solved in the present invention is that how to optimize lacrimal point model, the level for drawing vectorcardiographic loop is improved,
It reduces and the vision of user is misled.
For this purpose, according in a first aspect, the embodiment of the invention discloses a kind of method for drafting of vectorcardiographic loop, comprising:
Obtain the known point set of vectorcardiographic loop, it is known that point set is the sampled point sampled to vectorcardiographic loop
Set；It is increased between adjacent sampled point based on the profile of known point set analog electrocardiogram vector ring, and using presetting method
A few interpolation point, to draw vectorcardiographic loop；The unit group being made of sampled point and interpolation point set is established, interpolation point set is position
In the set of at least one interpolation point of sampled point side；It need to be shown a little based on the unit of display determination of lacrimal point, and according to need to show a little
At least one interpolation point-rendering lacrimal point is extracted out of corresponding unit group interpolation point set, need to be shown a little as in the display of lacrimal point
Sampled point to be shown is needed under unit.
Optionally, it need to be shown a little in the unit of display determination based on lacrimal point, and according to need to show a little from corresponding unit group
Interpolation point set in extract at least one interpolation point-rendering lacrimal point, need to show a little be to be shown adopt is needed under the unit of display of lacrimal point
After sampling point, further includes: the transparent of at least interpolation point is respectively set according at least one interpolation point to the distance that need to be shown a little
Degree.
Optionally, in the profile based on known point set analog electrocardiogram vector ring, and using presetting method in adjacent sampling
Increase at least one interpolation point between point, to draw vectorcardiographic loop and establish the unit being made of sampled point and interpolation point set
Group, interpolation point set are between the set of at least one interpolation point of sampled point side, further includes: store known point set and increasing
At least one interpolation point added.
Optionally, presetting method is interpolation method.
According to second aspect, the embodiment of the invention provides a kind of drawing apparatus of vectorcardiographic loop, comprising:
Known point set module, for obtaining the known point set of vectorcardiographic loop, it is known that point set is to carry out to vectorcardiographic loop
Sample the set of obtained sampled point；Profile drafting module for the profile based on known point set analog electrocardiogram vector ring, and is adopted
Increase at least one interpolation point between adjacent sampled point with presetting method, to draw vectorcardiographic loop；Unit sets up formwork erection
Block, for establishing the unit group being made of sampled point and interpolation point set, interpolation point set be positioned at sampled point side at least one
The set of interpolation point；Lacrimal point drafting module need to be shown a little for the unit of display determination based on lacrimal point, and according to need to show a little from its
At least one interpolation point-rendering lacrimal point is extracted in the interpolation point set of corresponding unit group, need to be shown a little as under the unit of display of lacrimal point
Need sampled point to be shown.
Optionally, further includes: transparency setup module, for being distinguished according at least one interpolation point to the distance that need to be shown a little
The transparency of at least one interpolation point is set.
Optionally, further includes: point set memory module, for storing known point set and at least one increased interpolation point.
Optionally, presetting method is interpolation method.
According to the third aspect, the present invention provides a kind of computer installation, including processor, processor is for executing storage
The computer program stored in device realizes the method for drafting of the vectorcardiographic loop of above-mentioned first aspect any one.
According to fourth aspect, the present invention provides a kind of computer readable storage mediums, are stored thereon with computer program,
Processor is for executing the vectorcardiographic loop that the computer program stored in storage medium realizes above-mentioned first aspect any one
Method for drafting.
The beneficial effects of the present invention are:
The method for drafting and device of a kind of vectorcardiographic loop disclosed by the embodiments of the present invention obtain vectorcardiographic loop first
Known point set is then based on the profile of the known point set analog electrocardiogram vector ring, and using presetting method in adjacent sampling
Increase at least one interpolation point between point, then sets up the unit group being made of sampled point and interpolation point set, it is aobvious based on lacrimal point
Show that unit determination need to be shown a little, and need to be shown according to this and a little extract at least one interpolation point-rendering tear from corresponding unit group
Point and vectorcardiographic loop.The scheme of sampling point-rendering lacrimal point and vectorcardiographic loop, the present invention are based only upon in compared with the existing technology
Scheme disclosed in embodiment promotes the wave ring drawn rounder and more smooth full by increasing interpolation point between adjacent sampled point
It is full, rather than apparent multi-angular polygon is optimized closer to the shape of true vectorcardiographic loop by increasing interpolation point
Lacrimal point model improves the accuracy of the vectorcardiographic loop of drafting in shape, reduces and misleads to the vision of user.
In an alternate embodiment of the invention, known point set and increased interpolation point are stored, regardless of whether replacement lacrimal point
The unit of display, drawing need to show a little first, then inquire and need to show the interpolation point for being a little in same unit group, and choose certain proportion
The interpolation point of number is drawn, and lacrimal point finally is collectively formed by display point and interpolation point.Compared to the prior art just for need
The aobvious scheme pressed directly ray mode and draw lacrimal point, avoids that be easy to appear form after the unit of display of change lacrimal point inconsistent
The even situation of deformity improves the display effect of the lacrimal point when changing the unit of display of lacrimal point.
Detailed description of the invention
It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art
Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below
Attached drawing is some embodiments of the present invention, for those skilled in the art, without creative efforts,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is a kind of flow chart of the method for drafting of vectorcardiographic loop of the embodiment of the present invention；
Fig. 2 a is the schematic diagram of vectorcardiographic loop profile simulation in the prior art；
Fig. 2 b is the schematic diagram of vectorcardiographic loop profile simulation in the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the drawing apparatus of vectorcardiographic loop of the embodiment of the present invention.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, it is clear that described implementation
Example is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " first ", " second ",
" third " is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with
It is the connection inside two elements, can be wireless connection, be also possible to wired connection.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
As long as in addition, the non-structure each other of technical characteristic involved in invention described below different embodiments
It can be combined with each other at conflict.
Referring to FIG. 1, for a kind of flow chart of the method for drafting of vectorcardiographic loop disclosed in the present embodiment, the electrocardial vector
The method for drafting of ring includes:
Step S101 obtains the known point set of vectorcardiographic loop.
In the present embodiment, it is known that point set is the set of the sampled point sampled to vectorcardiographic loop.User can
To select different sample frequencys to sample the point on known vectorcardiographic loop, and the coordinate of sampled point is recorded, with integration
Generate known point set.
Step S102, based on the profile of known point set analog electrocardiogram vector ring, and using presetting method in adjacent sampling
Increase at least one interpolation point between point, to draw vectorcardiographic loop.
In the present embodiment, presetting method refers to interpolation method.In the specific implementation process, by each the adopting of known point concentration
Sampling point is connected by straight line, to simulate the profile of vectorcardiographic loop, such as shown in Fig. 2 a, wherein point i1,i2,i3,i4,
i5,i6,i7,i8The each sampled point concentrated for known point.Then increase at least one between adjacent sampled point using interpolation method
A interpolation point, such as shown in Fig. 2 b, wherein point j1,j2,j3,j4,j5,j6,j7,j8It, then will sampling for increased interpolation point
Point passes through straight line with adjacent interpolation point respectively and connect, to simulate the profile of vectorcardiographic loop, due to increasing tie point
Number, so that the vectorcardiographic loop drawn out is more round and smooth full, closer to true physiological vectorcardiographic loop.
Step S103 establishes the unit group being made of sampled point and interpolation point set.
In the present embodiment, interpolation point set is the set of at least one interpolation point positioned at sampled point side.Specific real
During applying, there is at least one interpolation point due to increasing between two neighboring sampled point, respectively by two neighboring sampled point
Between interpolation point separately constitute interpolation point set, according to preset direction establish by sampled point and positioned at an interpolation point of one side
Unit group composed by collecting.
It can also include: to store known point set and increasing between step S102 and step S103 in optionally embodiment
At least one interpolation point added.
When the lacrimal point unit of display changes, traditional drafting scheme is pressed directly ray mode and is drawn due to being based only on to show
Lacrimal point processed causes lacrimal point to be easy to appear the inconsistent situation of form before and after the unit of display changes, or even deformity occurs
Lacrimal point.First unit group will be established after known point set and interpolation point storage, regardless of whether the lacrimal point unit of display changed, draws first
It need to show a little, then inquire and need to show the interpolation point set of the unit group that a little exists together, and be concentrated from interpolation point and choose certain proportion number
Purpose interpolation point, in a particular embodiment, preferably selected distance need to show the interpolation point being a little closer, and then drafting is chosen
Finally lacrimal point a little is collectively formed with interpolation point by that need to show in interpolation point.No matter lacrimal point shows how unit more becomes in this way, the shape of lacrimal point
State will not all change, and deformity will not occur.
Step S104 need to be shown a little based on the unit of display determination of lacrimal point, and according to need to show a little from corresponding unit group
Interpolation point set in extract at least one interpolation point-rendering lacrimal point.
In the present embodiment, need to show a little is that sampled point to be shown is needed under the unit of display of current lacrimal point.It is needed determining
After aobvious point, aobvious point determination is needed currently to need unit group to be used according to identified, and extract out of unit group interpolation point set
At least one interpolation point, then drawing respectively need to show a little and interpolation point, to draw lacrimal point.
Since the unit of display of lacrimal point is bigger, system then selects to show vectorcardiographic loop with smaller sample rate, causes to show
The sampled point shown is fewer, namely need to show a negligible amounts.When negligible amounts need to be shown, it will appear the tear of drafting when drawing lacrimal point
Point metamorphosis, or even there is the situation of deformity, point-rendering lacrimal point need to be shown using interpolation point cooperation, improves shape when lacrimal point is drawn
The accuracy of state.
It in an alternate embodiment of the invention, after step s 104, can also include: according at least one interpolation point to need to show a little
Distance the transparency of at least one interpolation point is respectively set.
In the present embodiment, the transparency of distance adjustment interpolation point a little can need to be shown according to interpolation point distance, distance needs
Aobvious point is remoter, and the numerical value of transparency is smaller.Contain the length of the lacrimal point of different transparencies as a result, as the amplitude of electrocardial vector becomes
Change and change, when amplitude quickly change when, length, conversely, then becoming smaller.The length of lacrimal point containing different transparencies with
This drafting mode the phenomenon that using for reference the meteor shuttle track in nature, lacrimal point can be known according to the natural common sense of meteor
Direction with the speed of relative velocity, the information content that shows lacrimal point increases, and reduces the learning cost of user.
The present embodiment obtains the known point set of vectorcardiographic loop first, is then based on the known point set analog electrocardiogram vector ring
Profile, and at least one interpolation point is increased between adjacent sampled point using presetting method, then set up by sampled point
With the unit group of interpolation point set composition, need to be shown a little based on the unit of display determination of lacrimal point, and need to be shown a little according to this from right with it
At least one interpolation point-rendering lacrimal point and vectorcardiographic loop are extracted in the unit group answered.Sampling is based only upon in compared with the existing technology
The scheme of point-rendering lacrimal point and vectorcardiographic loop, scheme disclosed by the embodiments of the present invention between adjacent sampled point by increasing
Interpolation point promotes the wave ring drawn more round and smooth full, rather than apparent multi-angular polygon, closer to true electrocardio to
The shape for measuring ring optimizes lacrimal point model by increasing interpolation point, improves the accuracy of the vectorcardiographic loop of drafting in shape.
The present embodiment also discloses a kind of drawing apparatus of vectorcardiographic loop, referring to FIG. 3, being a kind of vectorcardiographic loop
Drawing apparatus structural schematic diagram, the drawing apparatus of the vectorcardiographic loop includes:
Known point set module 301, for obtaining the known point set of vectorcardiographic loop, it is known that point set be to vectorcardiographic loop into
The set for the sampled point that row sampling obtains；Profile drafting module 302, for the wheel based on known point set analog electrocardiogram vector ring
Exterior feature, and at least one interpolation point is increased between adjacent sampled point using presetting method, to draw vectorcardiographic loop；Unit group
Module 303 is established, for establishing the unit group being made of sampled point and interpolation point set, interpolation point set is positioned at sampled point side
The set of at least one interpolation point；Lacrimal point drafting module 304 need to be shown a little for the unit of display determination based on lacrimal point, and according to
It need to show and a little extract at least one interpolation point-rendering lacrimal point out of corresponding unit group interpolation point set, need to show a little as in lacrimal point
The unit of display under need sampled point to be shown.
In an alternate embodiment of the invention, the drawing apparatus of the vectorcardiographic loop further include: transparency setup module is used for basis
The transparency of at least one interpolation point is respectively set to the distance that need to be shown a little at least one interpolation point.
In an alternate embodiment of the invention, the drawing apparatus of the vectorcardiographic loop further include: point set memory module, for storing
Know point set and at least one increased interpolation point.
In the specific implementation process, presetting method is interpolation method.
In addition, also providing a kind of computer installation in the embodiment of the present invention, processor, which passes through, executes the computer instruction,
To realize following methods:
Obtain the known point set of vectorcardiographic loop, it is known that point set is the sampled point sampled to vectorcardiographic loop
Set；It is increased between adjacent sampled point based on the profile of known point set analog electrocardiogram vector ring, and using presetting method
A few interpolation point, to draw vectorcardiographic loop；The unit group being made of sampled point and interpolation point set is established, interpolation point set is position
In the set of at least one interpolation point of sampled point side；It need to be shown a little based on the unit of display determination of lacrimal point, and according to need to show a little
At least one interpolation point-rendering lacrimal point is extracted out of corresponding unit group interpolation point set, need to be shown a little as in the display of lacrimal point
Sampled point to be shown is needed under unit.
It is that can lead to it will be understood by those skilled in the art that realizing all or part of the process in above-described embodiment method
Computer program is crossed to instruct relevant hardware and complete, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (ROM) or random access memory (RAM) etc..Computer processor is situated between for executing storage
The computer program stored in matter realizes following methods:
Obtain the known point set of vectorcardiographic loop, it is known that point set is the sampled point sampled to vectorcardiographic loop
Set；It is increased between adjacent sampled point based on the profile of known point set analog electrocardiogram vector ring, and using presetting method
A few interpolation point, to draw vectorcardiographic loop；The unit group being made of sampled point and interpolation point set is established, interpolation point set is position
In the set of at least one interpolation point of sampled point side；It need to be shown a little based on the unit of display determination of lacrimal point, and according to need to show a little
At least one interpolation point-rendering lacrimal point is extracted out of corresponding unit group interpolation point set, need to be shown a little as in the display of lacrimal point
Sampled point to be shown is needed under unit.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Make several modifications and improvements.These also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.
Claims (10)
1. a kind of method for drafting of vectorcardiographic loop characterized by comprising
The known point set of vectorcardiographic loop is obtained, the known point set is the sampling sampled to the vectorcardiographic loop
The set of point；
The profile of the vectorcardiographic loop is simulated based on the known point set, and using presetting method in the adjacent sampled point
Between increase at least one interpolation point, to draw vectorcardiographic loop；
The unit group being made of the sampled point and interpolation point set is established, the interpolation point set is positioned at the sampled point side
The set of at least one interpolation point；
Need to be shown a little based on the unit of display determination of lacrimal point, and according to it is described need to aobvious point from the corresponding unit group described in
At least one described interpolation point-rendering lacrimal point is extracted in interpolation point set, it is described to show point to need to show under the unit of display of lacrimal point
The sampled point shown.
2. the method for drafting of vectorcardiographic loop as described in claim 1, which is characterized in that in the display list based on lacrimal point
Position determination need to be shown a little, and extract at least one out of the corresponding unit group the interpolation point set according to the point that need to show
A interpolation point-rendering lacrimal point, after the aobvious point of need is needs the sampled point to be shown under the unit of display of lacrimal point,
Further include:
According to interpolation point described at least one to it is described need to the distance of aobvious point the transparent of at least interpolation point is respectively set
Degree.
3. the method for drafting of vectorcardiographic loop as claimed in claim 2, which is characterized in that described based on the known point set
The profile of the vectorcardiographic loop is simulated, and at least one interpolation is increased between the adjacent sampled point using presetting method
Point, to draw vectorcardiographic loop and described establish the unit group that is made of the sampled point and interpolation point set, the interpolation point set
For between the set of at least one interpolation point of the sampled point side, further includes:
Store the known point set and at least one increased described interpolation point.
4. the method for drafting of vectorcardiographic loop as claimed in claim 3, which is characterized in that the presetting method is interpolation method.
5. a kind of drawing apparatus of vectorcardiographic loop characterized by comprising
Known point set module, for obtaining the known point set of vectorcardiographic loop, the known point set is to the vectorcardiographic loop
The set of the sampled point sampled；
Profile drafting module for simulating the profile of the vectorcardiographic loop based on the known point set, and uses presetting method
Increase at least one interpolation point between the adjacent sampled point, to draw vectorcardiographic loop；
Unit sets up formwork erection block, and for establishing the unit group being made of the sampled point and interpolation point set, the interpolation point set is
Positioned at the set of at least one interpolation point of the sampled point side；
Lacrimal point drafting module need to be shown a little for the unit of display determination based on lacrimal point, and aobvious need to be put from corresponding according to described
The unit group the interpolation point set in extract at least one described interpolation point-rendering lacrimal point, it is described need to aobvious point in lacrimal point
The unit of display under need the sampled point to be shown.
6. the drawing apparatus of vectorcardiographic loop as claimed in claim 5, which is characterized in that further include:
Transparency setup module, for being respectively set at least one to the distance that need to be at aobvious according to interpolation point described at least one
The transparency of a interpolation point.
7. the drawing apparatus of vectorcardiographic loop as claimed in claim 6, which is characterized in that further include:
Point set memory module, for storing the known point set and at least one increased described interpolation point.
8. the drawing apparatus of vectorcardiographic loop as claimed in claim 7, which is characterized in that the presetting method is interpolation method.
9. a kind of computer installation, which is characterized in that including processor, the processor is based on executing and storing in memory
Calculation machine program realizes the method for drafting of the vectorcardiographic loop such as claim 1-4 any one.
10. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that processor is for executing
The computer program stored in storage medium realizes the drafting side of the vectorcardiographic loop as described in claim 1-4 any one
Method.
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| CN109920024B (en) | 2023-02-03 |
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