CN108403105B - Display method and display device for electrocardio scatter points - Google Patents
Display method and display device for electrocardio scatter points Download PDFInfo
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- CN108403105B CN108403105B CN201710071283.2A CN201710071283A CN108403105B CN 108403105 B CN108403105 B CN 108403105B CN 201710071283 A CN201710071283 A CN 201710071283A CN 108403105 B CN108403105 B CN 108403105B
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Abstract
The invention is suitable for the field of biological signal processing, and provides an electrocardio scatter display method and a device, wherein the method comprises the following steps: respectively acquiring data characteristics and heart beat types of each QRS wave group in the electrocardiosignals; determining a layer corresponding to the heart beat type in the electrocardiogram scatter diagram; calculating the position point of the QRS complex in the image layer according to the data characteristics, and generating an electrocardio scatter point corresponding to the QRS complex at the position point; acquiring heart rate proportion of the position points, and calculating color brightness based on the heart rate proportion; and rendering colors for the electrocardio scatter points of the position points according to the color brightness. The invention reflects the general physical signs of the electrocardiogram scatters with different heart beat types based on the depth degree of the scatters and different image layers, avoids the problems of too single display mode and poor interaction performance of the electrocardiogram scatters, ensures that the user does not have visual confusion under the condition that a large number of the electrocardiogram scatters exist, and ensures that the user can quickly identify the QRS complex of the abnormal rhythm from the electrocardiogram scatters, thereby improving the diagnosis efficiency.
Description
Technical Field
The invention belongs to the field of biological signal processing, and particularly relates to an electrocardiogram scattered point display method and device.
Background
With the development and application of dynamic electrocardiography, many new statistical tools are continuously derived to meet clinical requirements. The electrocardiogram scatter diagram is an advanced tool for assisting in analyzing the dynamic electrocardiogram by means of a mathematical model. The electrocardiogram scattergram is used as a nonlinear analysis tool and is mostly used for researching electrocardiogram signals on a body surface, generally, although the heart beat of a measured person reaches 10 thousands within 24 hours, the electrocardiogram scattergram can still take the 10 thousands of heart beats as a whole for research, so that the overall characteristics of a dynamic electrocardiogram are shown, therefore, the electrocardiogram scattergram can be widely applied to the research of arrhythmia analysis and heart rate variability analysis, and has great advantages in the aspects of diagnosing atrial flutter, atrial fibrillation, multi-source premature beat and the like.
At present, although most dynamic electrocardiogram analyzers are provided with an electrocardiogram scattergram display system, the electrocardiogram scattergram display system can only directly display the electrocardiogram scattergram position corresponding to each heart beat, the display mode is too single, when the number of heart beats is too large, the displayed electrocardiogram scattergrams in the electrocardiogram scattergram easily cause visual confusion of a user, the interaction performance is poor, so that the user is difficult to rapidly identify the QRS wave group of an abnormal rhythm from the electrocardiogram scattergram, and the diagnosis efficiency is reduced.
Disclosure of Invention
The embodiment of the invention provides a display method and a display device of an electrocardio scatter point, and aims to solve the problems that the conventional display mode of the electrocardio scatter point is too single, the interaction performance is poor and the visual disorder of a user is easily caused.
The embodiment of the invention is realized in such a way that the display method of the electrocardio scatter points comprises the following steps:
respectively acquiring data characteristics and heart beat types of each QRS wave group in the electrocardiosignals;
determining a layer corresponding to the heart beat type in the electrocardiogram scatter diagram;
calculating a position point of the QRS complex in the image layer according to the data characteristics, and generating an ECG scattered point corresponding to the QRS complex at the position point;
acquiring heart rate proportion of the position points, and calculating color brightness based on the heart rate proportion;
and rendering colors for the electrocardio-scatters of the position points according to the color brightness.
Another objective of the embodiments of the present invention is to provide a display device for electrocardiographic scattering points, which includes:
the first acquisition unit is used for respectively acquiring the data characteristics and the heart beat type of each QRS complex in the electrocardiosignal;
a determining unit, configured to determine a layer corresponding to the heartbeat type in an electrocardiograph scattergram;
the calculating unit is used for calculating a position point of the QRS complex in the image layer according to the data characteristics and generating an ECG scattered point corresponding to the QRS complex at the position point;
a second acquisition unit configured to acquire a heart rate ratio of the position point and calculate color brightness based on the heart rate ratio;
and the rendering unit is used for rendering colors for the electrocardio-scatters of the position points according to the color brightness.
In the embodiment of the invention, the ECG scattered points corresponding to the QRS complexes are displayed in the corresponding ECG scattered point diagram layers, and colors with different brightness are rendered for each ECG scattered point according to different heartbeat proportions of the position of the ECG scattered point, so that the overall physical signs of the ECG scattered points can be reflected according to the depth of the colors and the heartbeat types represented by different diagram layers, the problems of too single display mode and poor interaction performance of the ECG scattered points are avoided, the vision disorder of a user is avoided even under the condition that a large number of ECG scattered points appear, and the QRS complexes with abnormal rhythms can be rapidly identified from the ECG scattered point diagram, thereby improving the diagnosis efficiency.
Drawings
Fig. 1 is a flowchart illustrating an implementation of a method for displaying an ecg scattering point according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a specific implementation of the method S104 for displaying an ecg scattering point according to an embodiment of the present invention;
fig. 3 is a flowchart illustrating a specific implementation of the method S105 for displaying an ecg scatter point according to an embodiment of the present invention;
fig. 4(a) to 4(c) are graphs showing the effect of the electrocardiograph dots on the layers of the normal type, the ventricular type and the supraventricular type respectively according to the first embodiment of the present invention;
fig. 4(d) is a Lorenz scattergram obtained after color rendering is performed on the electrocardiogram scattergram according to the first embodiment of the present invention;
fig. 5 is a flowchart illustrating an implementation of a method for displaying an ecg scattering point according to a second embodiment of the present invention;
fig. 6 is a flowchart illustrating an implementation of a method for displaying an ecg scattering point according to a third embodiment of the present invention;
fig. 7 is a diagram illustrating a method for displaying an electrical scatter point according to a third embodiment of the present invention;
fig. 8 is a flowchart illustrating an implementation of a method for displaying an ecg scattering point according to a fourth embodiment of the present invention;
fig. 9 is a flowchart of an implementation of a method for displaying an electrocardiographic scatter point according to a fifth embodiment of the present invention;
fig. 10 is a flowchart illustrating an implementation of a method for displaying an electrical scatter point according to a sixth embodiment of the present invention;
fig. 11 is a block diagram of a display device of an electrical scatter point according to a seventh embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
fig. 1 shows an implementation process of a method for displaying an electrocardiographic scatter point according to an embodiment of the present invention, which is detailed as follows:
in S101, data characteristics of each QRS complex in the electrocardiographic signal and a heart beat type are acquired.
In this embodiment, the electrocardiographic signal is a physiological signal, and includes a human electrocardiographic signal and an animal electrocardiographic signal. The measuring electrode in the signal acquisition equipment is placed at a certain part on the surface of a living body, so that a series of electrocardio data can be acquired, the electrocardio data records the regular voltage change condition of each part of the body in each cardiac cycle, and the electrocardio data describing the dynamic voltage change condition is an electrocardio signal which is displayed in the signal acquisition equipment or the electrocardiogram equipment in the form of an electrocardio waveform.
Preferably, the acquisition of the cardiac electrical signal is within a time period of half an hour to 24 hours.
In this embodiment, the data feature refers to specific values of parameters such as heart beat position, pre-RR interval and post-RR interval, and the heart beat type refers to morphological classification of QRS complex, including normal, ventricular and supraventricular types. In the present embodiment, the heartbeat represents a QRS complex in the electrocardiographic signal, that is, a complex in which the entire ventricular depolarization process is reflected in the electrocardiographic waveform. By using QRS detection algorithms such as a difference method, a threshold detection method, a template matching method, a wavelet transformation method and the like, the position of each QRS complex can be detected from the electrocardiosignals, so that each QRS complex in the electrocardiosignals can be obtained. Furthermore, the heart beat type of each QRS complex can be identified based on the QRS detection algorithm.
When the position of each QRS complex is detected, the time point of the R wave peak in the QRS complex can be identified, and the time point is the heart beat position T [ n ] of the QRS complex. For a QRS complex in the electrocardiosignal, the difference of the heart beat position between the QRS complex and the adjacent QRS complex is the pre-RR interval of the QRS complex, namely T [ n ] -T [ n-1 ]; the difference in heart beat position between a next adjacent QRS complex is the later RR interval of the QRS complex, i.e., T [ n +1] -T [ n ].
And after the QRS wave detection is finished, storing the data characteristics of each QRS wave group in the obtained electrocardiosignals and the heart beat type in a memory or a file.
In S102, in the electrocardiogram scattergram, a layer corresponding to the heartbeat type is specified.
And classifying each QRS wave group in the electrocardiosignal by taking the heart beat type as a classification basis to obtain the total classified class number, wherein the heart beat type of each QRS wave group is the same in one classification class.
In the electrocardiogram scatter diagram, a plurality of layers which are stacked together in sequence are preset, the number of the layers is the same as the total number of the categories, and a corresponding heartbeat type is set for each layer. For example, when there are three types of heart beats, namely, the normal heart beat, the ventricular heart beat and the supraventricular heart beat, there are three image layers in the electrocardiograph scattergram, and the heart beat types corresponding to the three image layers are the normal heart beat, the ventricular heart beat and the supraventricular heart beat.
In summary, for any QRS complex in the electrocardiographic signal, one image layer corresponding to the QRS complex in the electrocardiographic scattergram can be specified according to the heart beat type.
Preferably, in this embodiment, there are two electrocardiographic scattergrams, which are a Lorenz scattergram and a time RR scattergram. In this case, one QRS complex in the electrocardiographic signal can be identified in the Lorenz scattergram as the corresponding one of the image layers and in the time RR scattergram as the corresponding one of the image layers.
In S103, calculating a position point of the QRS complex in the image layer according to the data feature, and generating an electrocardiographic scatter point corresponding to the QRS complex at the position point.
Each QRS complex in the electrocardiosignal can generate a corresponding electrocardio scatter point in an electrocardio scatter diagram.
And when one determined image layer in the S102 is an image layer in a Lorenz scatter diagram, taking the pre-RR interval and the post-RR interval of each QRS complex as the abscissa and the ordinate of the electrocardiogram scatter corresponding to the QRS complex respectively. Since the pre-RR and post-RR intervals of each QRS complex are available through S101, specific coordinate data can be directly obtained. And finding a position point matched with the coordinate data in the image layer of the Lorenz scatter diagram according to a preset coordinate axis, so that an electrocardiogram scatter point corresponding to the QRS complex is displayed at the position point.
And when one image layer determined in the S102 is the image layer in the Lorenz scattergram, taking the heart beat position and the pre-RR interval of each QRS complex as the abscissa and the ordinate of the corresponding electrocardio scattergram of the QRS complex. And finding a position point matched with the coordinate data in the image layer of the Lorenz scatter diagram according to a preset coordinate axis, so that an electrocardiogram scatter point corresponding to the QRS complex is displayed at the position point.
Therefore, the QRS complexes corresponding to the electrocardiographic scatterers in the same image layer have the same heart beat type.
In S104, acquiring a heart rate proportion of the position points, and calculating color brightness based on the heart rate proportion, wherein the heart rate proportion is a ratio of the total number of the electrocardiograph scatters of the position points in the image layer to the total number of the electrocardiograph scatters in the electrocardiograph scattergram.
The color brightness is one of three basic characteristics of color in color system, and is used to quantify the shade and brightness of color in the form of a specific numerical value.
Specifically, as shown in fig. 2, S104 includes:
in S201, a heart beat ratio of the position points is obtained, where the heart beat ratio is a ratio of a total number of the electrocardiographic scatters of the position points in the map layer to a total number of the electrocardiographic scatters in the electrocardiographic scattergram.
After the electrocardio scatter points corresponding to each QRS wave group in the electrocardio signals are displayed in the electrocardio scatter diagram, counting the total number A of the electrocardio scatter points in the current electrocardio scatter diagramtotal. At a position point of a layerIn practice, there may be a plurality of ECG scattering points stacked together, so that the total number A of ECG scattering points generated at each position point of the map layer is counted separatelyt。
A of each position pointtDifferent, therefore, each position has a different heart beat rate, which is calculated by: ratio is at/Atotal。
In S202, a color brightness interval of the electrocardiographic scattergram is obtained.
In this embodiment, the color brightness interval is a preset brightness range value, for example, a color brightness range value supportable by a default on a screen of the ecg scattergram display device, or a color brightness range value set in the device or the ecg scattergram by a user. The color brightness interval comprises the maximum value of the color brightness and the minimum value of the color brightness which can be displayed by the current electrocardiogram scatter diagram.
In S203, a color brightness B based on the heart rate is calculated by a preset formula according to the color brightness interval. The formula includes:
B＝Bmin+Ratio*(Bmax-Bmin)
wherein the Ratio is the heart beat Ratio, BmaxIs the maximum value of the color brightness, BminIs the minimum value of the color brightness.
And substituting the data obtained in S201 and S202 into the parameters corresponding to the formula to obtain the color brightness of the electrocardio-scatter point of each position point. It is understood that the larger the number of the electrocardiographic scatters at a position point, the denser the electrocardiographic scatters are, and the larger the color brightness based on the heart beat ratio at the position point is.
In S105, rendering a color for the electrical scatter point of the position point according to the color brightness.
In the prior art, the ECG scattered points are only black dots with a single color. In the embodiment, according to the difference of the number of the electrocardiographic scattering points of each position point, the electrocardiographic scattering points are enabled to display different color brightness, so that the electrocardiographic scattering points on the position points with higher density can be highlighted.
Specifically, as shown in fig. 3, S105 is detailed as follows:
in S301, a preset saturation and the hue of the layer are obtained.
The color saturation of each ECG scatter point in the ECG scatter diagram is a preset definite value. However, the color degrees of the electrocardiographic scattering points in different image layers are different, and the color degrees of the electrocardiographic scattering points in the same image layer are the same. The hue of each layer is also a preset value. When the ECG scattered points are determined to be displayed on a certain layer, the ECG scattered points have the hue of the layer.
For example, the hue degree of the layer corresponding to the heart beat type being normal is set to 120 ° (green), the hue degree of the layer corresponding to the heart beat type being ventricular is set to 0 ° (red), and so on.
In S302, the color brightness, the hue and the saturation are fused to obtain a color value based on the HSB mode.
In the HSB mode, the hue S, the lightness B and the saturation S are all one color component of the color values, so that a specific color can be obtained after obtaining three color components. The higher the values of the hue S, the color brightness B and the saturation S are, the stronger and more gorgeous the colors of the ECG scattering points are.
In S303, rendering a color for the electrical scattering point of the position point according to the color value.
As an example of the present invention, after rendering each electrocardiographic scatterpoint of each layer in the Lorenz scattergram by the color value corresponding to the position point of the electrocardiographic scatterpoint, the effect graph shown in fig. 4 is obtained. Fig. 4(a) to 4(c) are layers corresponding to the heart beat type normal, ventricular and supraventricular, respectively, and fig. 4(d) is a final Lorenz scattergram obtained by superimposing and displaying the three layers. It can be seen that the electrocardiographic scattering points in different layers have different colors, and the electrocardiographic scattering points in different positions of the same layer can also have different colors.
In the embodiment of the invention, the ECG scattered points corresponding to the QRS complexes are displayed in the corresponding ECG scattered point diagram layers, and colors with different brightness are rendered for each ECG scattered point according to different heartbeat proportions of the position of the ECG scattered point, so that the overall physical signs of the ECG scattered points can be reflected according to the depth of the colors and the heartbeat types represented by different diagram layers, the problems of too single display mode and poor interaction performance of the ECG scattered points are avoided, the vision disorder of a user is avoided even under the condition that a large number of ECG scattered points appear, and the QRS complexes with abnormal rhythms can be rapidly identified from the ECG scattered point diagram, thereby improving the diagnosis efficiency.
Example two:
in this embodiment, on the basis of the first embodiment of the present invention, a display manner of the electrocardiograph scatter is further defined, as shown in fig. 5:
in S501, one or more cardiac scattergrams selected by the user are obtained in the cardiac scattergram.
When the fact that a pattern drawn by a user in a Lorenz scattergram or a time RR scattergram is a closed curve containing one or more electrocardio scattergrams is detected, the electrocardio scattergram with the electrocardio scattergram point selected by the user as the closed curve can be determined; or when a selection instruction of the position of the electrocardio scatter point is received, the electrocardio scatter point selected by the user can be determined.
In S502, displaying, on a first window, an electrocardiographic signal segment corresponding to each electrocardiographic point selected by the user, where the electrocardiographic signal segment includes the QRS complex corresponding to the electrocardiographic point.
In this embodiment, the first window may be referred to as an ecg fragment window, and each ecg scatter point is generated based on a QRS complex in the ecg signal, so that for one or more ecg scatter points selected by the user, the corresponding QRS complex can be reversely acquired, and a small segment of the ecg signal including the QRS complex can be acquired, where the small segment of the ecg signal is an ecg signal fragment, and may also be referred to as a heart beat diagram of the QRS complex. When the user selects a plurality of ECG scattered points, a plurality of ECG signal segments are correspondingly displayed in the first window.
Particularly, the electrocardiosignal segment only contains one QRS complex, so that a user can conveniently observe the rhythm of the QRS complex in different electrocardiosignal segments without searching for the QRS complex needing to be observed in the electrocardiosignal segment based on a manual screening mode.
In the embodiment of the invention, the user can select the electrocardiograph scatter points required to be checked by the user in the electrocardiograph scatter diagram and simultaneously provide the electrocardiograph signal fragments corresponding to the electrocardiograph scatter points in the first window, so that the user can conveniently know the distribution condition of each electrocardiograph scatter point and the specific information of the QRS wave group corresponding to the electrocardiograph scatter points, the user is prevented from being unable to check the original electrocardiograph data through the electrocardiograph scatter diagram one by one, and the information display efficiency of the electrocardiograph scatter points is improved.
Example three:
in this embodiment, based on the second embodiment of the present invention, a display manner of the first window, the second window, and the electrocardiograph scattergram is further defined, as shown in fig. 6, and the display manner includes:
in S601, the electrocardiographic signal is displayed in a second window.
In this embodiment, the second window may be referred to as an electrocardiographic waveform window. And displaying original electrocardiosignals used for generating the electrocardio scatter points in a second window, wherein the second window is provided with a preset scroll bar. By default, since the ecg signal has a longer duration, only a partial segment of the ecg signal is displayed, which includes the QRS complex of the one selected by the user in the first window, and the QRS complex is located in the form of a marked frame.
When a scroll bar dragging instruction sent by a user is received, the rest segments in the electrocardiosignals are displayed, so that the user can switch to any appointed segment in the electrocardiosignals by dragging the scroll bar and display the appointed segment in the second window.
In S602, after the electrocardiograph scattergram, the first window, and the second window are arranged according to the received arrangement control instruction, the electrocardiograph scattergram, the first window, and the second window are displayed on the same screen.
In this embodiment, the arrangement control instruction is a window dragging instruction or a position setting instruction sent by a user. When a user can drag the electrocardiogram scatter diagram, the first window or the second window to any position through a mouse or touch screen gesture, at the moment, the electrocardiogram scatter diagram, the first window or the second window can be moved according to a received window dragging instruction, and after the movement is finished, the electrocardiogram scatter diagram, the first window or the second window can be directly displayed on the same display screen in a current arrangement mode. The electrocardiogram scatter diagram, the electrocardiogram signal fragments in the first window and the electrocardiogram signal in the second window can be zoomed and displayed according to the operation instruction of the user.
Specifically, as shown in fig. 7, in the present example, there are two electrocardiographic scattergrams, a Lorenz scattergram 701 and a time RR scattergram 702. When a user selects one or more electrocardiographic scatters from the Lorenz scattergram 701 and the time RR scattergram 702, electrocardiographic signal segments corresponding to each electrocardiographic scattergram are displayed in the first window 703 one by one, and one electrocardiographic scattergram corresponds to one electrocardiographic signal segment, and the first electrocardiographic signal segment is selected currently according to an instruction of the user; in addition, the window 704 displays the original whole ecg signal, and in the window 704, the QRS complex in the selected first ecg signal segment is marked in a box form; the window 704 includes a scroll bar, and any segment of the electrocardiographic signal can be selected and viewed in the window 704 at any time according to a scroll bar dragging instruction sent by a user.
In the embodiment of the invention, the electrocardio scattergram, the first window and the second window are simultaneously displayed on the same screen, so that the user does not need to perform the operation of switching pages for many times in the process of comparing and checking the electrocardio scattergram, the electrocardio signal fragments or the electrocardio signals, the arrangement mode of each window can be selected according to the actual needs of the user, and the use habits of the user can be maintained on different display equipment.
Example four:
on the basis of the second embodiment of the present invention or the third embodiment of the present invention, as shown in fig. 8, the method for displaying an electrocardiograph scatter point further includes:
in S801, in the first window or the second window, the QRS complex selected by the user is acquired.
When a selection instruction based on a certain electrocardiosignal segment is received in a first window, the QRS complex of a user learnt can be determined to be the QRS complex in the electrocardiosignal segment; alternatively, when the box in the second window is detected to be positioned at a certain QRS complex, it can be determined that the QRS complex selected by the user is the QRS complex in the box.
In S802, the electrocardiographic scattergram is marked with an electrocardiographic scattergram corresponding to the QRS complex selected by the user.
Each electrocardiograph scatter is generated based on the QRS complex in the electrocardiograph signal, so that the corresponding electrocardiograph scatter can be reversely acquired for one QRS complex selected by the user, and the display mode of the electrocardiograph scatter can be highlighted and marked in the electrocardiograph scatter diagram. And if the electrocardiogram scattergram comprises a Lorenz scattergram and a time RR scattergram, marking corresponding electrocardiogram scattergrams in the two electrocardiogram scattergrams at the same time.
Further, the method further comprises:
in S803, when a modification instruction based on the QRS complex in the first window or the second window issued by a user is received, modifying a data feature or a heartbeat type of the QRS complex.
After determining the QRS complex selected by the user, it may be detected whether a modification instruction based on the QRS complex is received. Specifically, for the user, after the user clicks the right button at the position of the QRS complex in the first window or the second window, the system pops up a function menu, and when the user selects "modify heart beat type" or "delete QRS complex" in the function menu option, the system receives the modification instruction. When a QRS complex deleting instruction is received, deleting the QRS complex selected by the determined user, so that the electrocardiosignal segment containing the QRS complex is removed from the electrocardiosignal; when a heart beat type modification instruction is received, after the heart beat type selected by the user is acquired, the currently determined heart beat type of the QRS complex is replaced by the heart beat type selected by the user.
In S804, each electrocardiograph scatter point in the electrocardiograph scatter diagram is regenerated and rendered.
After any one QRS complex is modified, all the ECG scattergrams in the ECG scattergram are regenerated, namely the steps from S101 to S105 are executed again, and at this time, in the ECG signal obtained in S101, the number, the data characteristics and the heartbeat type of the QRS complexes are modified according to S703, so that when each ECG scattergram in the ECG scattergram is regenerated and rendered through the steps from S102 to S105, the ECG scattergram is different from the one obtained at the last time.
When a selection instruction of a QRS complex is received, the corresponding electrocardiogram scatter points can be synchronously marked, and an electrocardiogram scatter diagram meeting the actual situation of current electrocardiogram data can be regenerated based on the modification of the QRS complex, so that the interaction performance of the electrocardiogram scatter diagram and the QRS complexes in a first window and a second window is improved; meanwhile, the user can manually check the correctness of the QRS wave group in each window, and based on the modification of the QRS wave group, the problem that the heart beat type detection of the system is wrong can be avoided, and the display accuracy of the scattered points of the electrocardio is improved.
Example five:
in this embodiment, on the basis of the first embodiment of the present invention, a method for displaying a cardiac electrical astigmatism is further defined, as shown in fig. 9, the method further includes:
in S901, an image layer selection instruction sent by a user is received.
When a user right clicks a blank position in the electrocardiogram scatter diagram, one or more specific layers, such as a room layer or a normal layer, can be selected from the popped function menu options, and at this time, the system receives a layer selection instruction marked with a layer name.
In S902, a display layer of the electrocardiograph scattergram is obtained according to the layer selection instruction.
After the layer name in the layer selection instruction is extracted, identifying the layer corresponding to the layer name in each layer of the electrocardiogram scatter diagram, and then the layer is the display layer.
In S903, the electrocardiographic scattering points in the layers other than the display layer are hidden.
When detecting that the layer of the current generated ECG scattered points is not the display layer indicated by the layer selection instruction, hiding each ECG scattered point in the layer of the generated ECG scattered points, so that each ECG scattered point in the display layer can only be displayed in the current ECG scattered point.
According to the embodiment of the invention, the electrocardio scatter points in the electrocardio scatter diagram can be displayed in a layered mode according to the actual requirements of a user, and each layer corresponds to one heart beat type, so that when the electrocardio scatter points in a certain layer are displayed independently, the user can quickly know the overall distribution condition of the electrocardio scatter points corresponding to the QRS wave group of a certain heart beat type, and the identification efficiency and the identification accuracy of abnormal rhythms and abnormal QRS wave groups are improved.
Example six:
in this embodiment, on the basis of the first embodiment of the present invention, a method for displaying a cardiac electrical astigmatism is further defined, as shown in fig. 10, the method further includes:
in S1001, editing the N electrocardiographic scatters selected by the user based on a scatterpoint editing instruction issued by the user on the electrocardiographic scatterpoint map includes: deleting N electrocardiographic scattergrams selected by a user from the electrocardiographic scattergram; deleting the QRS complexes corresponding to the N ECG scattered points selected by the user from the first window and the second window; modifying the data characteristics or the heart beat type of the QRS wave group corresponding to the cardiac electric scatter point selected by the user.
When the fact that a pattern drawn by a user in a Lorenz scattergram or a time RR scattergram is a closed curve containing one or more electrocardio scattergrams is detected, the electrocardio scattergram selected by the user can be determined to be the electrocardio scattergram in the closed curve; or when a selection instruction is received at the position of the ECG scattered point, one ECG scattered point selected by the user can be determined.
After the cardiac scattergram selected by the user is determined, whether a scattergram editing instruction based on the cardiac scattergram is received or not can be detected, and the scattergram modifying instruction comprises a scattergram deleting instruction and an attribute modifying instruction.
Specifically, for the user, after the user clicks the right button in the closed curve or clicks the right button at the position of the ecg scatterpoint, the system pops up the function menu, and when the user selects "delete the ecg scatterpoint" in the function menu option, the system receives the scatterpoint deletion instruction, at this time, the ecg scatterpoint selected by the user in the ecg scatterpoint diagram is deleted, and in the original ecg signals or the ecg signal segments displayed in the first window and the second window, the QRS complex corresponding to the ecg scatterpoint is also removed.
When the user selects 'modify heart beat type' in the function menu option, the system receives the attribute modification instruction, and after the heart beat type selected by the user is obtained, the heart beat type of each QRS wave group corresponding to the cardiac electric scatter point is replaced by the heart beat type selected by the user.
In S1002, each electrocardiographic scattergram in the electrocardiographic scattergram is regenerated and rendered.
After any one or more electrocardio scatters are deleted, all the electrocardio scatters in the electrocardio scattergram are regenerated, namely the steps from S101 to S105 are executed again, and at the moment, the quantity and the data characteristics of the QRS wave groups in the electrocardio signals obtained in S101 are modified according to S1001, so that the electrocardio scattergram obtained in the previous time is different from the electrocardio scattergram obtained in the previous time when each electrocardio scattergram in the electrocardio scattergram is regenerated and rendered through the steps from S102 to S105.
According to the embodiment of the invention, the electrocardio scatter points can be directly deleted in the electrocardio scatter diagram, and the corresponding original heartbeat data can be synchronously deleted according to the deleted electrocardio scatter points, so that the electrocardio scatter points can have a reverse editing function; in addition, the user can directly modify the heart beat type of the QRS wave group in the electrocardiogram scattergram, so that the electrocardiogram scattergram and the corresponding QRS wave group have a synchronous editing function, the bidirectional positioning of the electrocardiogram signals and the electrocardiogram scattergram is realized, and the efficiency of processing dynamic electrocardiogram data by the user is improved. Because one electrocardiogram scatter point is deleted or when the heart beat type of one QRS complex changes, the heart beat proportion of each position point is different, and therefore the display accuracy of the electrocardiogram scatter points is improved by regenerating the electrocardiogram scatter diagram which meets the actual condition of current electrocardiogram data.
Example seven:
fig. 11 is a block diagram illustrating a configuration of an electrocardiograph display device according to a seventh embodiment of the present invention, which can be located in a terminal such as an electrocardiograph, a mobile phone, a computer, a tablet computer, or a notebook computer, and is used to operate the electrocardiograph display method according to the embodiments of fig. 1 to 10 of the present invention. For convenience of explanation, only the portions related to the present embodiment are shown.
Referring to fig. 11, the apparatus includes:
a first acquiring unit 1101, configured to acquire data characteristics of each QRS complex in the electrocardiographic signal and a heart beat type.
A determining unit 1102 configured to determine a layer corresponding to the heartbeat type in the electrocardiograph scattergram.
A calculating unit 1103, configured to calculate a position point of the QRS complex in the image layer according to the data feature, and generate an electrocardiographic scatter point corresponding to the QRS complex at the position point.
A second acquiring unit 1104 for acquiring a heart rate ratio of the position point and calculating color brightness based on the heart rate ratio.
And a rendering unit 1105, configured to render a color for the electrical scattering point of the location point according to the color brightness.
Optionally, the rendering unit 1105 includes:
and the obtaining subunit is used for obtaining a preset saturation and the hue of the layer.
And the fusion subunit is used for carrying out fusion processing on the color brightness, the hue and the saturation to obtain a color value based on an HSB mode.
And the rendering subunit is used for rendering colors for the electrocardio-scatters of the position points according to the color values.
Optionally, the apparatus further comprises:
and the third acquisition unit is used for acquiring one or more electrocardio scatter points selected by a user in the electrocardio scatter diagram.
The first display unit is used for displaying the electrocardiosignal segments which are selected by the user and respectively correspond to each electrocardio-scatter point on a first window, and the electrocardiosignal segments comprise the QRS complexes corresponding to the electrocardio-scatter points.
Optionally, the apparatus further comprises:
and the second display unit is used for displaying the electrocardiosignals on a second window.
And the arranging unit is used for displaying the electrocardiogram scatter diagram, the first window and the second window in the same screen after arranging the electrocardiogram scatter diagram, the first window and the second window according to the received arrangement control instruction.
Optionally, the apparatus further comprises:
the editing unit is used for editing the N electrocardiographic scatters selected by the user based on a scatterpoint editing instruction sent by the user in the electrocardiographic scatterpoint diagram;
the reconstruction unit is used for regenerating and rendering each electrocardio scatter point in the electrocardio scatter diagram;
wherein N is an integer greater than zero, the editing unit is further configured to:
deleting N electrocardiographic scattergrams selected by a user from the electrocardiographic scattergram;
deleting the QRS complexes corresponding to the N ECG scattered points selected by the user from the first window and the second window;
modifying the data characteristics or the heart beat type of the QRS wave group corresponding to the cardiac electric scatter point selected by the user.
Optionally, the apparatus further comprises:
and the receiving unit is used for receiving the layer selection instruction sent by the user.
And the fourth obtaining unit is used for obtaining the display layer of the scatter diagram electrocardiogram scatter diagram according to the layer selection instruction.
And the hiding unit is used for hiding the electrocardio scatter points in other layers except the display layer.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the implementation. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. For example, the above-described apparatus embodiments are merely illustrative, and for example, the division of the units is only one logical division, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection through some interfaces, devices or units, and may be in an electrical, mechanical or other form.
The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.
The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. A display method of ECG scattered points is characterized by comprising the following steps:
respectively acquiring data characteristics and heart beat types of each QRS wave group in the electrocardiosignals;
determining a layer corresponding to the heartbeat type in an electrocardiogram scatter diagram, wherein the electrocardiogram scatter diagram is preset with a plurality of layers, the number of the layers is the same as the total number of the heartbeat types, and each layer corresponds to one heartbeat type;
according to the data characteristics, calculating a position point of the QRS complex in a map layer corresponding to the heart beat type, and generating an electrocardio scatter point corresponding to the QRS complex at the position point;
acquiring heart rate proportion of the position points, and calculating color brightness based on the heart rate proportion, wherein the heart rate proportion is the ratio of the total number of the electrocardiograph scatters of the position points in the image layer corresponding to the heart rate type to the total number of the electrocardiograph scatters in the electrocardiograph scattergram;
and rendering colors for the electrocardio-scatters of the position points according to the color brightness.
2. The method of claim 1, wherein said rendering colors for said cardiac scatterers of said location points according to said color intensity comprises:
acquiring preset saturation and hue of a layer corresponding to the heart beat type;
fusing the color brightness, the hue and the saturation to obtain a color value based on an HSB mode;
and rendering colors for the electrocardio-scatters of the position points according to the color values.
3. The method of claim 1, wherein the method further comprises:
acquiring one or more cardiac scattergrams selected by a user in the cardiac scattergram;
and displaying an electrocardiosignal segment which is selected by a user and corresponds to each electrocardio-scatter point on a first window, wherein the electrocardiosignal segment comprises the QRS wave group corresponding to the electrocardio-scatter point.
4. The method of claim 3, wherein the method further comprises:
displaying the electrocardiosignal in a second window;
and displaying the electrocardiogram scatter diagram, the first window and the second window in the same screen after arranging the electrocardiogram scatter diagram, the first window and the second window according to the received arrangement control instruction.
5. The method of claim 4, wherein the method further comprises:
acquiring the QRS complex selected by a user in the first window or the second window;
and marking the electrocardiograph scatter point corresponding to the QRS wave group selected by the user in the electrocardiograph scatter diagram.
6. The method of claim 4, wherein the method further comprises:
editing the N electrocardio scatter points selected by the user based on a scatter point editing instruction sent by the user in the electrocardio scatter diagram;
regenerating and rendering each electrocardiogram scatter point in the electrocardiogram scatter diagram;
wherein, N is an integer greater than zero, and the editing of the N electrocardiographic scatters selected by the user includes:
deleting N electrocardiographic scattergrams selected by a user from the electrocardiographic scattergram;
deleting the QRS complexes corresponding to the N ECG scattered points selected by the user from the first window and the second window;
modifying the data characteristics or the heart beat type of the QRS wave group corresponding to the cardiac electric scatter point selected by the user.
7. The method of claim 1, wherein the method further comprises:
receiving a layer selection instruction sent by a user;
acquiring a display layer of the electrocardiogram scatter diagram according to the layer selection instruction;
hiding the ECG scattered points in other layers except the display layer.
8. The utility model provides a display device of electrocardio scatter, its characterized in that includes:
the first acquisition unit is used for respectively acquiring the data characteristics and the heart beat type of each QRS complex in the electrocardiosignal;
the determining unit is used for determining a layer corresponding to the heartbeat type in an electrocardiogram scatter diagram, wherein the electrocardiogram scatter diagram is provided with a plurality of layers in advance, the number of the layers is the same as the total number of the heartbeat types, and each layer corresponds to one heartbeat type;
the calculating unit is used for calculating a position point of the QRS complex in a layer corresponding to the heart beat type according to the data characteristics and generating an electrocardio scatter point corresponding to the QRS complex at the position point;
the second acquisition unit is used for acquiring the heart beat proportion of the position points and calculating the color brightness based on the heart beat proportion, wherein the heart beat proportion is the ratio of the total number of the electrocardio scatters of the position points in the image layer corresponding to the heart beat type to the total number of the electrocardio scatters in the electrocardio scattergram;
and the rendering unit is used for rendering colors for the electrocardio-scatters of the position points according to the color brightness.
9. The apparatus of claim 8, wherein the rendering unit comprises:
the acquisition subunit is used for acquiring preset saturation and hue of the image layer corresponding to the heartbeat type;
the fusion subunit is used for performing fusion processing on the color brightness, the hue and the saturation to obtain a color value based on an HSB mode;
and the rendering subunit is used for rendering colors for the electrocardio-scatters of the position points according to the color values.
10. The apparatus of claim 8, wherein the apparatus further comprises:
the third acquisition unit is used for acquiring one or more electrocardio scatter points selected by a user in the electrocardio scatter diagram;
the first display unit is used for displaying the electrocardiosignal segments which are selected by the user and respectively correspond to each electrocardio-scatter point on a first window, and the electrocardiosignal segments comprise the QRS complexes corresponding to the electrocardio-scatter points.
11. The apparatus of claim 10, wherein the apparatus further comprises:
the second display unit is used for displaying the electrocardiosignals on a second window;
and the arranging unit is used for displaying the electrocardiogram scatter diagram, the first window and the second window in the same screen after arranging the electrocardiogram scatter diagram, the first window and the second window according to the received arrangement control instruction.
12. The apparatus of claim 11, wherein the apparatus further comprises:
the editing unit is used for editing the N electrocardiographic scatters selected by the user based on a scatterpoint editing instruction sent by the user in the electrocardiographic scatterpoint diagram;
the reconstruction unit is used for regenerating and rendering each electrocardio scatter point in the electrocardio scatter diagram;
wherein N is an integer greater than zero, the editing unit is further configured to:
deleting N electrocardiographic scattergrams selected by a user from the electrocardiographic scattergram;
deleting the QRS complexes corresponding to the N ECG scattered points selected by the user from the first window and the second window;
modifying the data characteristics or the heart beat type of the QRS wave group corresponding to the cardiac electric scatter point selected by the user.
13. The apparatus of claim 11, wherein the apparatus further comprises:
the receiving unit is used for receiving a layer selection instruction sent by a user;
the fourth obtaining unit is used for obtaining a display layer of the electrocardiogram scatter diagram according to the layer selection instruction corresponding to the heartbeat type;
and the hiding unit is used for hiding the electrocardio scatter points in other layers except the display layer.
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| CN109745037B (en) * | 2019-02-14 | 2022-06-24 | 广州视源电子科技股份有限公司 | Image processing method, device, equipment and storage medium |
| CN110009711B (en) * | 2019-05-20 | 2021-11-16 | 厦门纳龙科技有限公司 | Heart beat combination characteristic scatter diagram generation method, terminal device and storage medium |
| CN110584652B (en) * | 2019-10-09 | 2022-05-03 | 浙江工业大学 | Electrocardio scatter diagram three-dimensional image enhancement method |
| CN110916649B (en) * | 2019-12-25 | 2022-09-27 | 深圳市博英医疗仪器科技有限公司 | Processing device, processing method and detection device for long-range electrocardiogram scatter diagram |
| CN111053551B (en) | 2019-12-27 | 2021-09-03 | 深圳邦健生物医疗设备股份有限公司 | RR interval electrocardio data distribution display method, device, computer equipment and medium |
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