Apparatus, method, and computer-readable recording medium for measuring size of electrocardiography signal using electrocardiography signal using Hilbert transform
OwnerMan-Rim Choiinventor
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Abstract
An apparatus for measuring the size of an electrocardiography signal using a Hilbert transform, according to one embodiment of the present invention, may comprise: a receiving unit for receiving a measured electrocardiography signal; a transform unit for Hilbert-transforming the received electrocardiography signal; and a measurement unit for obtaining the size of the electrocardiography signal on the basis of the Hilbert-transformed electrocardiography signal.
Claims6
An apparatus for measuring a size of an electrocardiography signal using a Hilbert transform, the apparatus comprising:
- a receiving unit for receiving a measured electrocardiography signal;
- a transform unit for Hilbert-transforming the received electrocardiography signal;
- and
- a measurement unit for obtaining the size of the electrocardiography signal based on the Hilbert-transformed electrocardiography signal,
- wherein the measurement unit includes:
- a first module for creating a Nyquist diagram, which is a time response curve in which a value of the electrocardiography signal is a real value and a value of the Hilbert-transformed electrocardiography signal is an imaginary value;
- a second module for fitting the created Nyquist diagram by using circle fitting;
- and
- a third module for obtaining a diameter of a circle formed on the fitted Nyquist diagram as the size of the electrocardiography signal.
A method for measuring a size of an electrocardiography signal using a Hilbert transform, the method comprising:
- a first step of receiving, by a receiving unit, a measured electrocardiography signal;
- a second step of Hilbert-transforming, by a transform unit, the received electrocardiography signal;
- and
- a third step of obtaining, by a measurement unit, the size of the electrocardiography signal based on the Hilbert-transformed electrocardiography signal,
- wherein the measurement unit includes:
- a first module for creating a Nyquist diagram, which is a time response curve in which a value of the electrocardiography signal is a real value and a value of the Hilbert-transformed electrocardiography signal is an imaginary value;
- a second module for fitting the created Nyquist diagram by using circle fitting;
- and
- a third module for obtaining a diameter of a circle formed on the fitted Nyquist diagram as the size of the electrocardiography signal.
A computer-readable recording medium recorded with a program to execute a method for measuring a size of an electrocardiography signal using a Hilbert transform, the method comprising:
- a first step of receiving, by a receiving unit, a measured electrocardiography signal;
- a second step of Hilbert-transforming, by a transform unit, the received electrocardiography signal;
- and
- a third step of obtaining, by a measurement unit, the size of the electrocardiography signal based on the Hilbert-transformed electrocardiography signal,
- wherein the measurement unit includes:
- a first module for creating a Nyquist diagram, which is a time response curve in which a value of the electrocardiography signal is a real value and a value of the Hilbert-transformed electrocardiography signal is an imaginary value;
- a second module for fitting the created Nyquist diagram by using circle fitting;
- and
- a third module for obtaining a diameter of a circle formed on the fitted Nyquist diagram as the size of the electrocardiography signal.
Dependencies are inferred from the claim text.