Vidyuth Srinivasan

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An analog programmable frequency divider (APFD) that is based on the concept of an analog counter is described. The divide ratio is set using the analog counter and a toggle flip-flop. A prototype programmable divider has been implemented in a 0.5mum standard digital CMOS process with divide ratios ranging from 16-30 in steps of 2 for a maximum input(More)
We have proposed a simple analytical model for the N-well resistor up to the turnover point in the I-V characteristic of the device. A simple and accurate method of extraction of the parameters used on which this model is based has also been proposed. Furthermore, the scalability of these parameters has also been studied. The model and its scalability have(More)
The watershed algorithm from mathematical morphology has recently become powerful tool for image segmentation. Image analysis has been used successfully in a number of applications to classify different features according to their relative scales. In this paper we present the multistage behavior of gradient watershed regions. Boundaries of gradient(More)
A library of neural network components suitable for hardware implementation has been created to enable development of entire networks. Designs for the unit step, linear threshold, sigmoid and Gaussian activation function circuits have been developed in the Verilog-AMS hardware description language (HDL) and performances have been compared with SPICE(More)
Counterfeiting of physical goods is a global problem amounting to nearly 7% of world trade. While there have been a variety of overt technologies like holograms and specialized barcodes and covert technologies like taggants and PUFs, these solutions have had a limited impact on the counterfeit market due to a variety of factors - clonability, cost or(More)
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