no code implementations • 25 Jan 2024 • Tanmay Ghosh, Nithin Nagaraj
A higher travel costs significantly reduce the predicted probability of bus usage compared to other modes (a $0. 66\%$ and $0. 34\%$ reduction using Random Forests and XGBoost model for $10\%$ increase in travel cost).
no code implementations • 19 Aug 2023 • Rajan Sahu, Shivam Chadha, Nithin Nagaraj, Archana Mathur, Snehanshu Saha
Reducing the size of a neural network (pruning) by removing weights without impacting its performance is an important problem for resource-constrained devices.
no code implementations • 5 Jun 2023 • Harikrishnan N B, Nithin Nagaraj
Unlike Shannon entropy and Gini impurity, structural impurity based on ETC is able to capture order dependencies in the data, thus obtaining potentially different decision trees for different permutations of the same data instances (Permutation Decision Trees).
no code implementations • 23 Sep 2022 • Aditi Kathpalia, Nithin Nagaraj
In this work, we provide a mathematical proof that structured compressed sensing matrices, specifically Circulant and Toeplitz, preserve causal relationships in the compressed signal domain, as measured by Granger Causality.
1 code implementation • 20 Apr 2022 • Deeksha Sethi, Nithin Nagaraj, Harikrishnan N B
Human brain effortlessly learns from imbalanced data.
no code implementations • 28 Jan 2022 • Harikrishnan N B, Aditi Kathpalia, Nithin Nagaraj
Discovering cause-effect from observational data is an important but challenging problem in science and engineering.
no code implementations • 6 Dec 2021 • Aditi Kathpalia, Keerti P. Charantimath, Nithin Nagaraj
The science of causality explains/determines 'cause-effect' relationship between the entities of a system by providing mathematical tools for the purpose.
1 code implementation • 10 Apr 2021 • Anwesh Bhattacharya, Snehanshu Saha, Nithin Nagaraj
It has been well documented that the use of exponentially-averaged momentum (EM) in particle swarm optimization (PSO) is advantageous over the vanilla PSO algorithm.
1 code implementation • 2 Feb 2021 • Harikrishnan NB, Nithin Nagaraj
Inspired by the chaotic firing of neurons and the constructive role of noise in neuronal models, we for the first time connect chaos, noise and learning.
1 code implementation • 19 Oct 2020 • Pranay SY, Nithin Nagaraj
Lastly, we present two unique applications of the proposed models for causal inference directly from pairs of genome sequences belonging to the SARS-CoV-2 virus.
2 code implementations • 12 Oct 2020 • Harikrishnan NB, Pranay SY, Nithin Nagaraj
Here, we propose a Neurochaos Learning (NL) architecture, where the neurons used to extract features from data are 1D chaotic maps.
2 code implementations • 6 Oct 2019 • Harikrishnan Nellippallil Balakrishnan, Aditi Kathpalia, Snehanshu Saha, Nithin Nagaraj
Inspired by chaotic firing of neurons in the brain, we propose ChaosNet -- a novel chaos based artificial neural network architecture for classification tasks.
3 code implementations • 1 Jun 2019 • Snehanshu Saha, Nithin Nagaraj, Archana Mathur, Rahul Yedida
We present analytical exploration of novel activation functions as consequence of integration of several ideas leading to implementation and subsequent use in habitability classification of exoplanets.
1 code implementation • 19 May 2019 • Harikrishnan N B, Nithin Nagaraj
This work highlights the effectiveness of chaos and its properties for learning and paves the way for chaos-inspired neuronal architectures by closely mimicking the chaotic nature of neurons in the brain.
1 code implementation • 22 May 2012 • Karthi Balasubramanian, Gayathri R. Prabhu, Lakshmipriya V. K., Maneesha Krishnan, Praveena R., Nithin Nagaraj
For such short data lengths, methods which use entropy measure and traditional lossless compression algorithm like LZ77 [A. Lempel and J. Ziv, IEEE Trans.
Chaotic Dynamics