Search Results for author: Tanujit Chakraborty

Found 16 papers, 10 papers with code

WaveCatBoost for Probabilistic Forecasting of Regional Air Quality Data

1 code implementation8 Apr 2024 Jintu Borah, Tanujit Chakraborty, Md. Shahrul Md. Nadzir, Mylene G. Cayetano, Shubhankar Majumdar

Accurate and reliable air quality forecasting is essential for protecting public health, sustainable development, pollution control, and enhanced urban planning.

Conformal Prediction Time Series

When Geoscience Meets Generative AI and Large Language Models: Foundations, Trends, and Future Challenges

no code implementations25 Jan 2024 Abdenour Hadid, Tanujit Chakraborty, Daniel Busby

Generative Artificial Intelligence (GAI) represents an emerging field that promises the creation of synthetic data and outputs in different modalities.

Decision Making Super-Resolution +1

Forecasting CPI inflation under economic policy and geo-political uncertainties

1 code implementation30 Dec 2023 Shovon Sengupta, Tanujit Chakraborty, Sunny Kumar Singh

This study proposes a novel filtered ensemble wavelet neural network (FEWNet) that can produce reliable long-term forecasts for CPI inflation.

Conformal Prediction Prediction Intervals

Skew Probabilistic Neural Networks for Learning from Imbalanced Data

1 code implementation10 Dec 2023 Shraddha M. Naik, Tanujit Chakraborty, Abdenour Hadid, Bibhas Chakraborty

This paper introduces an imbalanced data-oriented approach using probabilistic neural networks (PNNs) with a skew normal probability kernel to address this major challenge.

Thompson sampling for zero-inflated count outcomes with an application to the Drink Less mobile health study

no code implementations24 Nov 2023 Xueqing Liu, Nina Deliu, Tanujit Chakraborty, Lauren Bell, Bibhas Chakraborty

Mobile health (mHealth) technologies aim to improve distal outcomes, such as clinical conditions, by optimizing proximal outcomes through just-in-time adaptive interventions.

Decision Making Multi-Armed Bandits +1

Ten Years of Generative Adversarial Nets (GANs): A survey of the state-of-the-art

no code implementations30 Aug 2023 Tanujit Chakraborty, Ujjwal Reddy K S, Shraddha M. Naik, Madhurima Panja, Bayapureddy Manvitha

Since their inception in 2014, Generative Adversarial Networks (GANs) have rapidly emerged as powerful tools for generating realistic and diverse data across various domains, including computer vision and other applied areas.

Prediction of Transportation Index for Urban Patterns in Small and Medium-sized Indian Cities using Hybrid RidgeGAN Model

1 code implementation9 Jun 2023 Rahisha Thottolil, Uttam Kumar, Tanujit Chakraborty

These synthetic urban universes mimic global urban patterns and evaluating their landscape structures through spatial pattern analysis can aid in comprehending landscape dynamics, thereby enhancing sustainable urban planning.

An ensemble neural network approach to forecast Dengue outbreak based on climatic condition

1 code implementation16 Dec 2022 Madhurima Panja, Tanujit Chakraborty, Sk Shahid Nadim, Indrajit Ghosh, Uttam Kumar, Nan Liu

In comparison with statistical, machine learning, and deep learning methods, our proposed XEWNet performs better in 75% of the cases for short-term and long-term forecasting of dengue incidence.

Time Series Analysis

Knowledge-based Deep Learning for Modeling Chaotic Systems

1 code implementation9 Sep 2022 Zakaria Elabid, Tanujit Chakraborty, Abdenour Hadid

Our proposed KDL can learn the complex patterns governing chaotic systems by jointly training on real and simulated data directly from the dynamics and their differential equations.

Recommendation Systems

W-Transformers : A Wavelet-based Transformer Framework for Univariate Time Series Forecasting

1 code implementation8 Sep 2022 Lena Sasal, Tanujit Chakraborty, Abdenour Hadid

Deep learning utilizing transformers has recently achieved a lot of success in many vital areas such as natural language processing, computer vision, anomaly detection, and recommendation systems, among many others.

Anomaly Detection Recommendation Systems +3

Epicasting: An Ensemble Wavelet Neural Network (EWNet) for Forecasting Epidemics

1 code implementation21 Jun 2022 Madhurima Panja, Tanujit Chakraborty, Uttam Kumar, Nan Liu

Unfortunately, most of these past epidemics exhibit nonlinear and non-stationary characteristics due to their spreading fluctuations based on seasonal-dependent variability and the nature of these epidemics.

Scheduling Time Series +1

Probabilistic AutoRegressive Neural Networks for Accurate Long-range Forecasting

1 code implementation1 Apr 2022 Madhurima Panja, Tanujit Chakraborty, Uttam Kumar, Abdenour Hadid

In this study, we introduce the Probabilistic AutoRegressive Neural Networks (PARNN), capable of handling complex time series data exhibiting non-stationarity, nonlinearity, non-seasonality, long-range dependence, and chaotic patterns.

Decision Making Epidemiology +4

Optimized ensemble deep learning framework for scalable forecasting of dynamics containing extreme events

1 code implementation9 Jun 2021 Arnob Ray, Tanujit Chakraborty, Dibakar Ghosh

This study develops an optimized ensemble deep learning (OEDL) framework wherein these two machine learning techniques are jointly used to achieve synergistic improvements in model accuracy, stability, scalability, and reproducibility prompting a new wave of applications in the forecasting of dynamics.

Superensemble Classifier for Improving Predictions in Imbalanced Datasets

no code implementations25 Oct 2018 Tanujit Chakraborty, Ashis Kumar Chakraborty

Regularity conditions for universal consistency and the idea of parameter optimization of the proposed model are provided.

feature selection General Classification +1

Imbalanced Ensemble Classifier for learning from imbalanced business school data set

no code implementations31 May 2018 Tanujit Chakraborty

Private business schools in India face a common problem of selecting quality students for their MBA programs to achieve the desired placement percentage.

feature selection General Classification

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