Title	Wavenumber Integration for Generating an Acoustic Field in the Measurement of Stratified Sea Bottom Properties Using Propagator Matrix Approach
Author	Prasanna Kumar. S.C, Ramakanth Kumar. P, Suresh Kumar Thakur
Citation	Vol. 8  No. 11  pp. 238-243
Keywords	Fast Field Approximation, Geoacoustic properties, Green’s Function, Helmholtz equation, Hankel transforms, Propagator Matrix, and Underwater acoustic

Title	Comparison of Filters used for Underwater Image Pre-Processing
Author	G.Padmavathi, P.Subashini, M.Muthu Kumar, Suresh Kumar Thakur
Citation	Vol. 10  No. 1  pp. 58-65
Keywords	Image processing, denoising, color enhancement, homomorphic filters, SRAD filtering, wavelet denoising, Mean Square Error , Peak Signal to Noise Ratio and elapsed time