Automatic recognition of EC G ST section based on template match
A template matching and automatic identification technology, applied in the fields of electrical digital data processing, medical science, special data processing applications, etc., can solve problems such as difficulties, differences, and different electrocardiogram performance, and achieve good real-time results.
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[0026] The present invention will be further described below in conjunction with the drawings and embodiments.
[0027] In a specific embodiment of the present invention, a standard electrocardiogram is shown in Fig. 1. According to the method of the present invention, the ST segment is searched and compared with the reference value:
[0028] A) Use template matching method to find R point: There are 4 preprocessing templates in the system, suppose template T(M×N) is stacked on the ECG S to be searched and translated, the search image under the template coverage is Subgraph S i,j , I, j are the coordinates of the image point in the upper left corner of this sub-image in the searched ECG S, as a reference point, use the following formula to calculate the similarity R of the reference point:
[0029] R ( i , j ) = Σ m ...
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