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- K. S. Kumar, Ramamurti Chandramouli, K. P. Subbalakshmi
- Wireless Communications and Mobile Computing
- 2008

- Ashok K. Murugavel, N. Ranganathan, Ramamurti Chandramouli, Srinath Chavali
- IEEE Trans. VLSI Syst.
- 2002

The estimation of average-power dissipation of a circuit through exhaustive simulation is impractical due to the large number of primary inputs and their combinations. In this work, two algorithms… (More)

- Ramamurti Chandramouli, Vamsi K. Srikantam
- ASP-DAC '00
- 2000

A maximum-likelihood estimation procedure for computing the average power consumption of VLSI circuits is proposed. The method can handle data that has a mixture-density with multiple components… (More)

- Ramamurti Chandramouli, N. Ranganathan
- IEEE Signal Processing Letters
- 1999

In signal processing applications, it is often required to compute the integral of the bivariate Gaussian probability density function (PDF) over the four quadrants. When the mean of the random… (More)

- Ramamurti Chandramouli, K. P. Subbalakshmi, N. Ranganathan
- Pattern Recognition Letters
- 2004

In this paper, an empirically optimized channel-matched quantizer, and a joint stochastic-control based rate controller and channel estimator for H.261 based video transmission over a noisy channel… (More)

- Ramamurti Chandramouli, N. Ranganathan, Shivaraman J. Ramadoss
- IEEE Trans. Circuits Syst. Video Techn.
- 1998

There has been an outburst of research in image and video compression for transmission over noisy channels. Channel matched source quantizer design has gained prominence. Further, the presence of… (More)

- Ramamurti Chandramouli, K. P. Subbalakshmi
- Proceedings of the International Symposium on…
- 2003

We propose two active steganalysis schemes for spread spectrum image steganography. One is a simple estimate and subtract type algorithm that does not exploit higher order statistics while the other… (More)

- Ramamurti Chandramouli, N. Ranganathan
- IEEE Signal Processing Letters
- 1998

It is known that for fixed error probabilities sequential signal detection based on the sequential probability ratio test (SPRT) is optimum in terms of the average number of signal samples for… (More)

- Hafiz Malik, K. P. Subbalakshmi, Ramamurti Chandramouli
- IEEE Transactions on Information Forensics and…
- 2012

This paper proposes an active steganalysis method for quantization index modulation (QIM)-based steganography. The proposed nonparametric steganalysis method uses irregularity (or randomness) in the… (More)

- Ramamurti Chandramouli, Vamsi K. Srikantam
- IEEE Transactions on Very Large Scale Integration…
- 2004

It is known that circuits exhibit multiple modes of power consumption due to various factors such as the presence of many feedback (or sequential) elements, RAM, large size, etc. Previous… (More)