This paper proposed a novel contactless object-diameter method based on the binary-value circuit and Kalman filter algorithm in optical measurement systems using IR light source. A circuit includes ...

Methods: Diameter, intima-media thickness (IMT) and DC of the left common carotid artery were assessed in 2315 (1191women) apparently healthy subjects (age 35-56), using vascular ultrasound (Vivid 7, ...