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alex paul Kamson

alex paul Kamson
Ai Health Highway · Signal Processing and Machine Learning

PhD (Signal Processing & Machine Learning)

About

4
Publications
205
Reads
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21
Citations
Citations since 2016
4 Research Items
21 Citations
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468
201620172018201920202021202202468
Introduction
Additional affiliations
Indian Institute of Technology Guwahati
Position
  • PhD

Publications

Publications (4)
Article
This paper presents a new method to extract the envelope of the fundamental heart sound (S1 and S2) using the logistic function. The sigmoid characteristic of the logistic function is incorporated to segregate S1, and S2 signal intensities from silent or noise interfered systolic and diastolic intervals in a heart sound cycle. This signal intensity...
Article
This paper presents a multi-centroid diastolic duration model for the hidden semi-Markov model (HSMM) based heart sound segmentation. The centroids are calculated by hierarchical agglomerative clustering of the neighboring diastolic duration values using Ward’s method until center of clusters are found at least a systolic duration apart. The multip...
Conference Paper
In this paper, we have proposed a new morphological feature to improve the detection of S1 and S2 sounds from noisy or pathological phonocardiogram (PCG) signals. This feature is based on logistic function amplitude moderator (LFAM) and Teager-Kaiser energy operator (TKEO). The LFAM is used to enhance the intensity of weak heart sounds so that the...

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