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ISSN 2063-5346
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IMPROVING PRECISION FOR IDENTIFYING FACIAL MICRO- EXPRESSION USING SUPPORT VECTOR MACHINE ALGORITHM COMPARED WITH HIDDEN MARKOV MODEL ALGORITHM

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Anji Reddy, K. Sashi Rekha
» doi: 10.31838/ecb/2023.12.sa1.331

Abstract

Aim: The main goal of this study is to propose a novel identifying facial micro-expression using support vector machine algorithm with hidden markov model algorithm and compare their precision. Materials and Methods: The sample size for support vector machine (N=10) and hidden markov model (N=10) were iterated 20 times to detect micro expressions with g power as 80 %, threshold 1.0 and confidence interval as 95%. Results: support vector machine has significantly better precision (94.8%) compared hidden markov model precision (90.0%). The statistical significance difference p=1.0 (p<0.05) independent sample T-test value state that the results in the study are insignificant. Conclusion: Support Vector Machine algorithm offer better precision to detect facial micro-expressions than hidden markov models.

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