Surgery – Truss – Pad
Patent
1994-06-14
1995-12-12
Kamm, William E.
Surgery
Truss
Pad
A61B 504
Patent
active
054740789
ABSTRACT:
The multidimensional ECG processing and display system of the present invention is used with an electrocardiographic (ECG) monitoring system. Input ECG data from multiple, sequential time intervals is collected and formatted into a two-dimensional matrix. The two-dimensional matrix is decomposed using singular value decomposition (SVD) to obtain its corresponding singular values and singular vectors, a compressed form of the matrix. The singular vectors are analyzed and filtered to identify and enhance signal components of interest. Selected singular vectors are transformed into their frequency domain representations by the Fast Fourier Transform (FFT), or related techniques. Certain data elements in the two-dimensional matrix are enhanced or diminished by modifying the singular values within groups of singular vectors to enhance certain objects that are associated with the ECG data and to diminish other features within the data. The enhanced data is expanded back into its original form and features in the ECG data are displayed as opaque objects within a transparent data cube.
REFERENCES:
patent: 5175710 (1992-12-01), Hutson
patent: 5245587 (1993-09-01), Hutson
patent: 5348020 (1994-09-01), Hutson
Getzow Scott M.
Kamm William E.
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