Fangrui Liu

Data Scientist @Zbeats Inc

Stony Brook, NY, US

Algorithm Development:Developed advanced signal processing pipelines using wavelet filtering and designed robust data conversion systems to standardize multiple medical data formats with multi-lead compatibilityBuilt comprehensive signal preprocessing frameworks to ensure reliable analysis across diverse patient datasetsDesigned innovative functionality enabling clinical users to review, modify, and reprocess AI-generated results for enhanced accuracyDeep Learning & Neural Networks:Architected and trained multiple specialized neural network models achieving >95% sensitivity across industry-standard validation databasesDeveloped ResNet-based architectures for multi-class medical signal classification and CNN-LSTM hybrid models for pattern detectionApplied transfer learning and data augmentation techniques to achieve industry-leading performance benchmarksValidation & Performance Analysis:Designed and implemented rigorous statistical testing protocols and validation databases in accordance with ANSI/AAMI EC57:2012 and IEC 60••••47:2012 standardsConducted comprehensive performance analysis supporting FDA 510(k) regulatory submissions, including sensitivity, specificity, PPV and etc.Developed automated testing frameworks and generated detailed statistical reports demonstrating model performance across diverse datasets

Chengdu SHISHI High School

High School Diploma

Duke University

Master of Science - MS, Biomedical Engineering

Donghua University

Bachelor of Engineering - BE, Bioengineering and Biomedical Engineering