Obtaining GPR images of improved quality in karst as a result of an optimized processing flux

Josibel Gomes de Oliveira Jr1, Walter Eugenio Medeiros2, Flávio Lemos de Santana Sr3, Francisco H Bezerra2 and Caroline Lessio Cazarin4, (1)Parnamirim, Brazil, (2)UFRN Federal University of Rio Grande do Norte, Natal, Brazil, (3)UFRN: Federal University of Rio Grande do Norte, DEGEF: Geophysics Department, Natal - RN, Brazil, (4)PETROBRAS, CENPES, Rio De Janeiro, Brazil