The need for investigating the optical transfer functions in several field orientations for nonisotropic radiographic systemsSCHIABEL, H; FRERE, A. F; AZEVEDO MARQUES, P. M et al.Medical physics (Lancaster). 1993, Vol 20, Num 4, pp 999-1005, issn 0094-2405Article

A computer simulation technique to preview the influence of the recording system on the image sharpness in mammographySCHIABEL, H; SILVA, M. A; OLIVEIRA, H. J. Q et al.SPIE proceedings series. 1998, pp 602-609, isbn 0-8194-2781-0Conference Paper

Quality assurance in mammography : a new instrument for operational characteristics and focal spot sizes measurementsCURI, N. S. M; FRERE, A. F; SCHIABEL, H et al.SPIE proceedings series. 1998, pp 629-640, isbn 0-8194-2781-0Conference Paper

Application of image processing techniques for contrast enhancement in dense breasts digital mammogramsNUNES, F. L. S; SCHIABEL, H; BENATTI, R. H et al.SPIE proceedings series. 1999, pp 1105-1116, isbn 0-8194-3133-8Conference Paper