Jerzy Wtorek - Science profile - Bridge of Knowledge


Profile photo: prof. dr hab. inż. Jerzy Wtorek

prof. dr hab. inż. Jerzy Wtorek

Social media

Publication showcase

  • The contribution of blood-flow-induced conductivity changes to measured impedance

    - Year 2005

    W pracy rozwazane sa zmiany przewodnosci zachodzace w anizotropowym osrodku i ich wplyw na mierzona rezystancje. Uzyskano to za pomoca rozszerzenia wzoru Geselowizta na przypadki anizotropowe. Wykazano, ze tylko te skladowe zmian przewodnosci wplywaja na mierzona rezystancje, dla ktorych odpowiadajacy im skladnik pola eklektrycznego byl niezerowy.Wyniki te zastosowanu do zmian rezystywnosci wywolanych zmiananmi przewodnosci plynacej...

  • A multisensor detector of a sleep apnea for using at home

    Diagnosis of obstructive sleep apnea usually involves polysomnographic analysis, which unfortunately requires overnight stay in a specialized clinic and is very uncomfortable for a patient. This paper describes the method and apparatus for recording a set of signals to detect sleep apnea. The device records the following signals simultaneously: three-channel ECG, respiratory functions, signals from the accelerometer, and snoring...

    Full text to download in external service

  • Color transformation methods for dichromats

    Color blindness is a serious perception problem. Suffering individuals cannot understand messages, which are carrying by many images, especially those, distributed by WWW. In this paper we are proposing three image processing methods to enhance image recognition and understanding by persons with dichromacy. Color difference image is introduced to represent color perception dissimilarity. Two color transformation methods are presented....

    Full text to download in external service

Obtained scientific degrees/titles

seen 2204 times