Three-Sensor Portable Information System for Physiological Data Registration. - Mitko Gospodinov; Krasimir Cheshmedzhiev (CompSysTech, 2019)

Electronic sensor system for registering ECG and PPG signals. - Krasimir Cheshmedzhiev; Evgeniya Gospodinova; Mitko Gospodinov; Penio Lebamovski (CompSysTech, 2021)

A Wavelet Based Hybrid Method for Time Interval Series Determining. - Galya Georgieva-Tsaneva; Krasimir Cheshmedzhiev; Penio Lebamovski (CompSysTech, 2024)

A Gaussian-based hybrid method for simulating photoplethysmographic signals. - Galya Georgieva-Tsaneva; Krasimir Cheshmedzhiev (CompSysTech, 2024)

Heart rate variability-based software analysis of cardiac data. - Yoan-Aleksandar Tsanev; Galya Georgieva-Tsaneva; Krasimir Cheshmedzhiev (ICSTCC, 2024)