QIHAN ZHAO

Master's

Electrical Computer Engineering Technology

Blue Canoe Learning

Machine Learning intern

• Apply speech recognition system to detect word boundary and phoneme time information • Implement feature extraction by python to transform 360-hour raw audio recordings into lower dimensionality and more manageable samples • Train the binary classifier for stress detection and deliver immediate feedback to the resolver • Tune parameters to improve 3% accuracy in word level and 1% in sentence level • Monitor metrics from CloudWatch to collect errors and evaluate performance of classifiers • Weekly report to track progress and discuss follow-up bugs on Trello board