Furlan, Walter D.; Ferrando Martín, Vicente; Monsoriu Serra, Juan Antonio; Zagrajek, Przemyslaw; Czerwinska, Elzbieta; Szustakowski, Mieczyslaw(The Optical Society, 2016)
[EN] A 3D printer was used to realize custom-made diffractive THz lenses. After testing several materials, phase binary lenses with periodic and aperiodic radial profiles were designed and constructed in polyamide material ...
Mayo Nogueira, Patricia; Ródenas Escribá, Francisco de Asís; Campayo, J. M.; Marin, B.; Verdú Martín, Gumersindo Jesús(American Nuclear Society, 2011)
[EN] The assessment and control of image quality is a fundamental task associated with good practice to guarantee a suitable diagnosis by the radiologist. The need for image quality assessments in radiography is well ...
The need to obtain objective values of the quality of distorted images with respect to the original is fundamental in multimedia and image processing applications. It is generally required that this value correlates well ...