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- Nidhin K. Vaidhiyan, S. P. Arun, Rajesh Sundaresan
- 2012 IEEE International Symposium on Information…
- 2012

We consider a visual search problem studied by Sripati and Olson where the objective is to identify an odd ball image embedded among multiple distractor images as quickly as possible. We model this visual search task as an active sequential hypothesis testing problem (ASHT problem). Chernoff in 1959 proposed a policy in which the expected delay to decision… (More)

- Nidhin K. Vaidhiyan, Renu Subramanian, Rajesh Sundaresan
- 2011 Third International Conference on…
- 2011

In this paper we consider the downlink of an OFDM cellular system. The objective is to maximise the system utility by means of fractional frequency reuse and interference planning. The problem is a joint scheduling and power allocation problem. Using gradient scheduling scheme, the above problem is transformed to a problem of maximising weighted sum-rate at… (More)

- Nidhin K. Vaidhiyan, Rajesh Sundaresan
- ArXiv
- 2015

We consider the problem of detecting an odd process among a group of Poisson point processes, all having the same rate except the odd process. The actual rates of the odd and non-odd processes are unknown to the decision maker. We consider a time-slotted sequential detection scenario where, at the beginning of each slot, the decision maker can choose which… (More)

- Nidhin K. Vaidhiyan, S. P. Arun, Rajesh Sundaresan
- ArXiv
- 2015

Neuroscientists have recently shown that images that are difficult to find in visual search elicit similar patterns of firing across a population of recorded neurons. The L 1 distance between firing rate vectors associated with two images was strongly correlated with the inverse of decision time in behaviour. But why should decision times be correlated with… (More)

- Bharadwaj Amrutur, M. S. Mohan Kumar, K. R. Sheetal Kumar, Lovelesh Patel, Rajesh Sundaresan, Nidhin K. Vaidhiyan
- 2016 International Workshop on Cyber-physical…
- 2016

This paper proposes a systematic approach to explore the search space of control parameters on an existing water network in a locality within Mysore, India, to see if continuous water supply can be provided to meet a nominal diurnal demand pattern. The control parameters are the initial states of the reservoirs at some reference hour and hourly maximum flow… (More)

- Nidhin K. Vaidhiyan, Rajesh Sundaresan
- 2015 Information Theory and Applications Workshop…
- 2015

Active Sequential Hypothesis Testing (ASHT) is an extension of the classical sequential hypothesis testing problem with controls. Chernoff [1] proposed a policy called Procedure A and showed its asymptotic optimality as the cost of sampling was driven to zero. In this paper we study a further extension where we introduce costs for switching of actions. We… (More)

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