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This paper evaluates the reliability of the use of muscle activation during unuttered (silent) vowel by an individual and reports the study of repeating of the experiments over several days. Surface electromyogram has been used as an indicator of muscle activity and independent component analysis (ICA) has been used to separate the electrical activity from different muscles. The results demonstrate...
This paper presents a silent speech recognition technique based on facial muscle activity and video, without evaluating any voice signals. This research examines the use of facial surface electromyogram (SEMG) to identify unvoiced vowels and vision-based technique to classify unvoiced consonants. The moving root mean square (RMS) of SEMG signals of four facial muscles is used to segment the signals...
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