Arrhythmia classification using local hölder exponents and support vector machine
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Cites methods from "Arrhythmia classification using loc..."
...This regularity information can be used for example in denoising, classification, or re-construction of signals [ 16 , 19, 21]....
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Cites methods from "Arrhythmia classification using loc..."
...Testing Predicted classification Data Classes N P AFIB NOD VF BI B 369 N 355(356)355 5(5)5 4(3)4 1(1)1 1(1)1 1(1)1 2(2)2 26 P 15(13)13 10(12)12 1(1)1 0(0)0 0(0)0 0(0)0 0(0)0 101 AFIF 7(4)3 0(1)1 90(92)93 1(1)1 0(0)0 3(3)3 0(0)0 33 NOD 0(0)0 0(0)0 2(2)2 24(24)24 5(5)5 2(2)2 0(0)0 31 VF 0(4)0 0(0)0 0(0)0 5(2)3 22(21)24 4(4)4 0(0)0 81 BI 1(1)0 0(0)0 1(1)1 11(11)11 2(2)2 64(64)65 2(2)2 11 B 0(0)0 0(0)0 0(0)0 2(2)2 0(0)0 4(4)4 5(5)5 Sens 93....
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...The extraction of features from each rhythm was done as explained in (3)....
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...369 N 354(354) 1(1) 2(2) 5(5) 2(2) 4(4) 1(1) 26 P 6(5) 20(21) 0(0) 0(0) 0(0) 0(0) 0(0) 101 AFIF 3(2) 0(0) 98(98) 0(0) 0(1) 0(0) 0(0) 33 NOD 4(3) 0(1) 0(0) 29(29) 0(0) 0(0) 0(0) 31 VF 6(5) 0(0) 0(0) 0(0) 25(26) 0(0) 0(0) 81 BI 1(1) 0(0) 0(0) 0(0) 0(0) 80(80) 0(0)...
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...1In (3), the term “hybrid” was used to indicate the dual concepts of Hölder and SVM whereas this paper describes the larger notion of making any multiclass SVM truly hybrid as described in § II....
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...Prior work in computation of LHE for different applications such as (3), (2), (1) have used only the lowest scale (which is scale 1)....
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Additional excerpts
...In [22], Joshi et al....
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References
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40,147 citations
"Arrhythmia classification using loc..." refers methods in this paper
...In this work,we have developed a novel hybrid Hölder-SVM detection algorithmfor arrhythmia classification....
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...Ḧolder-SVM methodology was found to provide superior performance....
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...For each of the extracted rhythms, we computed the features to be used by SVM for classification in the following manner....
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...SVM is being extensively used for several classification and regression applications....
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...In Section 2, we briefly describe the methodology for computation of the local singularities and provide a short introduction to SVM. Section 3 highlights our approach for classification along with results achieved....
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6,562 citations
"Arrhythmia classification using loc..." refers methods in this paper
...For multi-class classification, we used popular One-Against-One method [14]....
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562 citations
"Arrhythmia classification using loc..." refers background or methods in this paper
...This is formalized by its relation [6] with the H ölder exponent: Ws,x0( f ) ∝ |s|h(x0), s→ 0 (2)...
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...The WTMM based formalism developed by Muzy [6] as described above provides global estimates of scaling properties of time series....
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468 citations
"Arrhythmia classification using loc..." refers methods in this paper
...The computation of singularity strength and the transformation from τ(q) to spectrum of singularities D(h) is given by the Legendre transformation[8]: h(q) = dτ(q)/dq; D[h(q)] = qh(q)− τ(q) (4)...
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