Seshasai Srinivasan

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This paper describes a real time contrast enhancement technique for digital video applications. This method called ACE is based on a modified histogram equalization procedure that adapts to the input video statistics. The method decides whether to increase dynamic range or to light up dark regions of the image. As a result, for dark images, details in dark(More)
In an unprecedented experimental investigation, a ternary and a four component hydrocarbon mixture at high pressure have been studied in a nearly convection free environment to understand the thermodiffusion process. A binary mixture has also been investigated in this environment. Experimental investigations of the three mixtures have been conducted in(More)
A previously presented neural network-based thermodiffusion model that was valid for n-alkane type components has been extended to predict the thermo-solutal diffusion in an arbitrary binary hydrocarbon mixture. The enhanced model uses additional input information about the binary system and is based on a significantly large database of thermodiffusion(More)
A thermodiffusion model based on the principles of artificial neural networks has been proposed. In addition to the development and validation with respect to the experimental data of binary n-alkane mixtures from the literature, the ability of the model to predict the known thermodiffusion trends has been presented. Comparison with other models in the(More)
Models of chemical reaction systems can be quite complex as they need to include information regarding the reactions and the transfer of mass and heat. The commonly used state variables—concentrations and temperatures—describe the interplay between many phenomena. As a consequence, each state variable is affected by several rate processes. On the other(More)
The present investigation aims to determine the mineralogical composition of certain human gallstones using Powder X-Ray Diffraction technique (PXRD). The minerals present in the samples are identified by analysing Bragg’s angle (2θ), Lattice spacing (d), Miller Indices (h k l) and full width at half maximum (FWHM) values of the sample with the standard(More)
This paper presents our recent progress in terascale three-dimensional simulations of turbulent nonpremixed flames in the presence of a mean flow strain and fine water droplets. Under the ongoing university collaborative project supported by the DOE SciDAC Program [1] along with the INCITE 2007 Project [2], the study aims at bringing the state-of-the-art(More)