Database name: Biometric human identification ECG database (ecgiddb) Creator: Tatiana Lugovaya for master's thesis "Biometric human identification based on ECG" in 2005 Department of Applied Mathematics and Computer Science Electrotechnical University "LETI", Saint-Petersburg, Russian Federation Database contains 310 ECG recordings, obtained from 90 persons: - each recording contain 20-second I-lead ECG signal; - 10 beats in every recording are annotated (unaudited R- and T-wave peaks annotations from an automated detector); - signals were digitized at 500 Hz with 12-bit resolution; - number of records for each person vary from 2 (collected during one day) to 20 (collected periodically during 6 months); - each recording is supplied with an information containing age, gender and record date; - records were obtained from volunteers among students, colleagues and friends (44 men and 46 women aged from 13 to 75 years); Collected raw data is rather noisy and contain both high and low frequency noise components. Each recording combine both raw and filtered signals: - Column 0 "ECG I": raw signal; - Column 1 "ECG I filtered": filtered signal; Contact information: Tatiana Lugovaya e-mail: ts.lugovaya@gmail.com