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Sanjay Chakraborty

Postdoc

Postdoc Researcher in the research laboratory (unit) Reasoning and Learning Lab (REAL) in the field of machine learning, applied AI, and quantum computing. 

Applied AI, Machine Learning, and Quantum Computing

To be a part of the Research & Development wing in the field of machine learning, applied AI, and quantum computing. Recently, I am working on applied AI to industry-specific problems.

  • Working on the application for a European Union project call on ‘AI in Materials Science’, focusing on developing a multimodal foundation model to analyse material structures across diverse datasets. The project aims to build a pipeline for property prediction, classification, and the discovery of new materials.
  • AI for Multivariate Time Series Data Driven Delignification Process in Paper and Pulp Industry, collaboration with Chalmers University under WASP-WISE grant, Govt. of Sweden. Developing large interpretable time series models suitable for complex multivariate time series data analysis (forecasting, classification, anomaly detection).
  • AI in Materials Informatics – analyse complex molecular structures of 3D and 2D materials, decision making classification process, and support chemical exfoliation process using large pretrained AI models, collaboration with IFM department, funded by WASP-WASP call and Wallenberg AI, Govt. of Sweden.
  • Developing AI guided chemical scissor with layered/non-layered material’s structure analysis, collaboration with IFM department, funded by WASP-WISE call and Wallenberg AI, Govt. of Sweden.
  • A project was on deep learning and game-based cognitive assessment for early dementia detection (published in EAAI journal, Elsevier). This work relates to one of my PhD scholars.
  • One work is completed on developing end-to-end application to detect various objects (deep learning based object detection models) from an image and live video and provides description about them along with any valid relationship exists among the objects.
  • My PhD research interests lie in enhancing machine learning algorithms using quantum computing principles, such as quantum clustering with 1D DTQW, quantum feature selection, VQE, and QAOA, alongside applied AI in industrial contexts. I also have experience in ternary quantum image representation, edge extraction, image denoising, and segmentation.

You can go through my homepage,

Brief CV

University Degrees and PhDs        Supervision of Students           Prizes and Awards

  • Postdoc Researcher Position, April 2024 to continue, Department of Computer and Information Science (IDA), AIICS, Linköping University, Sweden.
  • Associate Professor, Department of Computer Science and Engineering, Techno International New Town, India (last position).
  • Master of Technology, October 2011. National Institute of Technology Raipur, India
  • PhD (Tech), May 2022, University of Calcutta, India.


 

  

PhD Scholars:
 
  1. Co-supervising work on 'Disease Diagnosis and Detection in Healthcare 5.0 using AI-Enabled Deep Learning Techniques', at the Indian Institute of Information Technology (IIIT), Dharwad, India.
  2. Co-supervising work on 'AI-Driven Approaches for Forecasting and Classifying Long and Short-Term Time Series Data with Explainability', at the University of Engineering and Management (UEM), Kolkata, India.
  3. Co-supervising work on 'Integrating Secure Cryptographic Techniques with AI-Driven Trade Prediction: A Study for Financial Data Protection and Market Forecasting', at Sister Nivedita University, Kolkata, India, Techno India Group.

Masters Scholars (Awarded):

  1.  Year: 2016-2018
    Title: Design and Implementation of an EEG Based Brain-Computer Interface System using Supervised and Unsupervised Learning
    Name of the scholar: Mr. Debashis Das Chakladar
    Organization: Institute of Engineering & Management.
  2. Year: 2013-2015
    Title: Weather Forecasting using Convex-Hull and DBSCAN Clustering techniques
    Name of the scholar: Mr. Ratul Dey
    Organization: Institute of Engineering & Management.
  3. Year: 2013-2015
    Title: A New Load Balancing Approach in Cloud Environment
    Name of the scholar: Mr. Nilotpal Choudhury
    Organisation: Institute of Engineering & Management.

  • Most cited author award 2022 by Biomedical journal Elsevier (IF:7.895).
  • Achieved "INNOVATION AWARD" for my outstanding achievement in the field of Innovation by Techno India Institution's Innovation Council 2019.
  • “IEEE Young Professional Best Paper Award” in CICBA 2017, India (Springer Conference).
  • Top Five best paper recognition in ASEJ, Elsevier Journal in 2019.
  • Best Lab instructor award from the Computer Science and Engineering Department in IEM, Kolkata, India, 2014.
  • Achieved a silver medal in the Master's securing second position.
  • Passed and received a fellowship from GATE-2009.

Publications

2026

Sanjay Chakraborty, Ibrahim Delibasoglu, Fredrik Heintz (2026) Scaling transformers for time series forecasting: do pretrained large models outperform small-scale alternatives? Artificial Intelligence Review, Vol. 59, Article 62 (Article in journal) Continue to DOI
Sanjay Chakraborty, Jonas Björk, Martin Dahlqvist, Johanna Rosén, Fredrik Heintz (2026) A survey of AI-supported materials informatics Computer Science Review, Vol. 59, Article 100845 (Article in journal) Continue to DOI

2025

Sanjay Chakraborty, Tirthajyoti Nag, Saroj Kumar Pandey, Jayasree Ghosh, Lopamudra Dey (2025) Deep Learning and X-Ray Imaging Innovations for Pneumonia Infection Diagnosis: Introducing DeepPneuNet Computational intelligence, Vol. 41, Article e70029 (Article in journal) Continue to DOI
Lopamudra Dey, Sanjay Chakraborty (2025) Supervised learning approaches for predicting Ebola-Human Protein-Protein interactions Gene, Vol. 942, Article 149228 (Article in journal) Continue to DOI
Paramita Kundu Maji, Soubhik Acharya, Priti Paul, Sanjay Chakraborty, Saikat Basu (2025) Deep learning inspired game-based cognitive assessment for early dementia detection Engineering applications of artificial intelligence, Vol. 142, Article 109901 (Article in journal) Continue to DOI

Research

Artificial Intelligence and Quantum Computing

Research areas are applied AI, AI in science, time series analysis, and quantum computing.

  • AI for Multivariate Time Series Data-Driven Delignification Process in Paper and Pulp Industry. The main objective is to improve pulp-making quality during the phase of delignification in the paper industry using ML and XAI techniques. AI for Multivariate Time Series Data Driven Delignification Process in Paper and Pulp Industry, collaboration with Chalmers University of Technology and Sodra Varo Pulp Mill under WASP-WISE grant and Vinnova, Govt. of Sweden. For more information Resurssmarta.se/projekt
    1. Analyse the pulp process data and preprocess it.
    2. Predicting optimal process parameters (steady kappa number) and identifying inefficiencies using transformers, MLPs and large time series models (LSTSMs).
    3. XAI to analyse critical features and their temporal saliency.
    4. Insights into the most influential variables in the delignification process.
    5. Identify important features to evaluate the effects of input parameter changes (Counterfactual Analysis).
  • Working on the complex molecular structure analysis and finding the thermodynamically stable materials using AI techniques. It is a part of automatic chemical exfoliation using AI in material science. Develop techniques for classifying whether 3D compounds can be structurally edited by a chemical scissor or not. Considering the relatively small amount of data available, both unsupervised clustering techniques and supervised deep learning techniques will be considered. It has a collaboration with the IFM department (LiU), funded by the WASP-WASP call and Knut and Wallenberg AI, Govt. of Sweden.
  • How pre-trained models of 3D materials can be used as a foundation model for training targeted models based on the small number of known training examples. I am also working on the classification of Mxene and Non-Mxene like Materials Using Computational Models (SVM, RF, MLPs, Materials GNN) etc.
WASP at LiU

WASP - Wallenberg AI, Autonomous Systems and Software Program

The fourth industrial revolution is upon us, as automation becomes autonomy. LiU conducts outstanding research in several of the fields that are central to the Wallenberg AI Autonomous Systems and Software Program, WASP.

Teaching

PhD and Master's Courses:

European Union and Vinnova Projects

  • PhD coursework RSP on ‘AI for Scientists’ - Acting as coordinator and lecturer of the course 2025, Department of Computer and Information Science (IDA), Linköping University (LiU), Sweden. - Delivered lectures and exercises on Machine Learning for data analysis and Generative AI in Science. https://treesearch.se/en/courses/ai-for-scientists-an-introduction/.

  • Supervise a Foreign internship candidate at LiU, 'Development of an Interactive Platform for Time Series Forecasting and Explainability', sponsored by ICAM France, May 2025- Aug 2025.

  • Design and coordinate a course on 'AI for Business' Project, European Commission Digital Europe program (2025-2027), Digital4Business (In English), Digital 4Business (In Italian)
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Digital4Business

Digital4Business is a Joint Professional Master's Degree in Advanced Digital Technologies. Linköping University contributes to the project with its broad and deep expertise in artificial intelligence and cybersecurity.

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