Chafai, Mahfoud2015-06-072015-06-071998https://dspace.univ-boumerdes.dz123456789/146173 p. : ill. ; 30 cmThe pulse echo systems are still limited to a qualitative diagnosis, a quantitative analysis based on tissue characterization using A-mode ultrasounds technique is added to improve this diagnosis for early cancer detection. In this work, B-scan echographic images, obtained from the video output of an echograph using an ultrasonic linear probe, are recorded on a VCR. The recorded still images are introduced into a PC via a video acquisition card o be captured and optimally processed in order to outline the area of interest (AOI)…enTissus (histologie)TissuesPathologiepathologyUltrasons en médecineUltrasonics in medicineThesis