Existing subsurface scattering rendering algorithms try to reproduce the phenomenon aiming at physically accurate results. Recent research has demonstrated that in some scenarios, to make some assumptions about the way we perceive translucency helps us speeding up calculus achieving real-time results. In this paper we present a new algorithm based on previous perceptual studies general enough t...

OBJECTIVE To examine the significance of fetal nuchal translucency at 10-14 weeks' gestation in the prediction of abnormal fetal karyotype. DESIGN Prospective screening study. SETTING The Harris Birthright Research Centre for Fetal Medicine, King's College Hospital, London. SUBJECTS 827 fetuses undergoing first trimester karyotyping by amniocentesis or chorionic villus sampling. MAIN OU...

The visual mechanisms behind our ability to distinguish translucent and opaque materials is not fully understood. Disentanglement of the contributions surface reflectance subsurface light transport still image structure an ill-posed problem. While overwhelming majority works addressing translucency perception use static stimuli, behavioral studies show that human observers tend move objects ass...

Keyword Down syndrome, Trisomy, Nuchal Translucency, Chromosomal Abnormalities, Gray Level Cooccurrence Matrix(GLCM), Support Vector Machine (SVM) Down syndrome or Trisomy 21 is a genetic disorder which causes mental disability to the baby during the gestation period. Ultrasound scan, a noninvasive test which includes ultrasound fetal image scan for the Nuchal Translucency measurement (NT). Thi...

Purpose To investigate the effects of translucency and cusp inclination on micro-shear bond strength (µSBS) zirconia to self-adhesive resin cement (SARC).Methods Sixty U-shaped specimens with 1.0 mm thickness consisting three planes (0°, 20°, 30°) simulating different inclinations were fabricated from blocks high, moderate, low (n=20). SARC was bonded specimen light-cured for 40 s. The µSBS tes...

Twin-twin transfusion syndrome is a major complication of monochorionic twin pregnancies. In foetuses from monochorionic twinning the presence of increased nuchal translucency thickness (NT) has been associated with an increased risk of developing this syndrome. One of the presumed mechanisms of increased NT is early cardiac failure, indirectly indicated by abnormal blood flow in the ductus ven...

The purpose of this study was to evaluate the colors of resin composites used for the layering technique, as well as the translucency at various thickness. For the purpose of calculating the translucency parameter (TP), black and white backings were used to evaluate the CIELAB parameters of Filtek Supreme (3M) and Gradia Direct (GC) disks of various thicknesses (0.5, 1.0, 2.0, 3.0 and 4.0 mm) a...

OBJECTIVES The cost-effectiveness of opportunistic nuchal translucency ultrasound screening in pregnancy was compared with alternative screening strategies for trisomy 21 in Australia. METHODS A decision analytic model was used of various pregnancy screening strategies based on a systematic review of the literature on the effectiveness of nuchal translucency ultrasound and serum screening and...

OBJECTIVE To evaluate the translucency characteristics of new flowable bulk-filling resin composites at various thicknesses. Experimental short fibre-reinforced composite was also tested. METHODS Two new brands of flowable bulk composites (Venus Bulk Fill and SureFil SDR Flow), experimental short fibre-reinforced resin composite (FC) and, as control, conventional flow (Filtek Supreme Flow XT ...