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Dr. Siladittya Manna

Post-Doctoral Research Associate, IISc

Research Focus

  • Federated learning for vision-language models and medical AI.
  • Vulnerability analysis of federated learning frameworks.
  • Self-supervised learning for robust representation learning.
  • Domain heterogeneity handling in federated settings.
  • Personalization and generalization trade-off in FL.
  • Computer vision applications in medical image analysis.

Current Experience

  • Post-Doctoral Research Associate, Visual Computing Lab, IISc Bangalore.
  • Working under Prof. Anirban Chakraborty.
  • Building federated learning frameworks for VLMs.
  • Extending self-supervised learning for practical CV tasks.
  • Applying methods to medical imaging pipelines.

Past Experience

  • Senior Research Assistant at Hong Kong Baptist University.
  • Worked under Prof. Yiu-Ming Cheung on federated learning.
  • Ph.D. at Indian Statistical Institute under Prof. Umapada Pal.
  • Research in self-supervised learning for medical imaging.
  • Additional work in signature verification and writer identification.

Current Research Topics

Vision-Language Models
Prompt Tuning in LLMs/VLMs
Vulnerability Analysis of FL Frameworks
Domain Heterogeneity in FL
Adaptive Client Aggregation in FL
Knowledge Distillation based Aggregation in FL
Personalized Federated Learning
Bridging the Gap between generalization and personaliztion in FL
Self-Supervised Learning
Self-Supervised Few-Shot Segmentation
Contrastive Representation Learning
Medical Image Segmentation

Latest Announcements

Recent publications and project updates

New Publication - 2025
Residual Dense Blocks for Extreme Foreground Imbalance in Brachytherapy Applicator SegmentationSpringer Nature Computer Science, December 2025
New Publication - 2025
Decorrelation-based Self-Supervised Visual Representation Learning for Writer IdentificationACM Transactions on Asian and Low-Resource Language Information processing, June 2025
New Publication - 2025
Dynamically Scaled Temperature in Self-Supervised Contrastive LearningIEEE Transactions on Artificial Intelligence, June 2025

Publications

Peer-reviewed research contributions to the scientific community

Journal Publications

Dynamically Scaled Temperature in Self-Supervised Contrastive Learning
S Manna, S Chattopadhyay, R Dey, U Pal, S Bhattacharya
IEEE Transactions on Artificial Intelligence2025
19 citations
DOI: 10.1109/TAI.2024.3456789
Decorrelation-Based Self-Supervised Visual Representation Learning for Writer Identification
A Maitra, S Mitra, S Manna, S Bhattacharya, U Pal
ACM Transactions on Asian and Low-Resource Language Information Processing2025
1 citations
DOI: 10.1145/3746062
Residual Dense Blocks for Extreme Foreground Imbalance in Brachytherapy Applicator Segmentation
Suresh Das, Prasun Sanki, Siladittya Manna, Subhayan Mondal, Saumik Bhattacharya, Sayantari Ghosh
Springer Nature Computer Science2025
1 citations
DOI: 10.1007/s42979-025-04641-7
Self-Supervised Visual Representation Learning for Medical Image Analysis: A Comprehensive Survey
S Manna, S Bhattacharya, U Pal
Transactions on Machine Learning Research2024
7 citations
Self-supervised representation learning for knee injury diagnosis from magnetic resonance data
S Manna, S Bhattacharya, U Pal
IEEE Transactions on Artificial Intelligence2023
24 citations
DOI: 10.1109/TAI.2023.3247891
MIO: Mutual Information Optimization using Self-Supervised Binary Contrastive Learning
S Manna, U Pal, S Bhattacharya
arXiv preprint arXiv:2111.12664v22023
3 citations
DOI: 10.48550/arXiv.2111.12664
Self-supervised representation learning for detection of ACL tear injury in knee MR videos
S Manna, S Bhattacharya, U Pal
Pattern Recognition Letters2022
24 citations
DOI: 10.1016/j.patrec.2022.07.043
PLSM: A Parallelized Liquid State Machine for Unintentional Action Detection
S Manna, D Das, S Bhattacharya, U Pal, S Chanda
IEEE Transactions on Emerging Topics in Computing2022
11 citations
DOI: 10.1109/TETC.2022.3165847

Conference Publications

Correlation Weighted Prototype-based Self-Supervised One-Shot Segmentation of Medical Images
S Manna, S Bhattacharya, U Pal
27th International Conference on Pattern Recognition 20242024
2 citations
DOI: 10.1109/ICPR60209.2024.10815234
Selfdocseg: A self-supervised vision-based approach towards document segmentation
S Maity, S Biswas, S Manna, A Banerjee, J Llados, S Bhattacharya, U Pal
International Conference on Document Analysis and Recognition2023
15 citations
DOI: 10.1007/978-3-031-41682-8_22
Surds: Self-supervised attention-guided reconstruction and dual triplet loss for writer independent offline signature verification
S Chattopadhyay, S Manna, S Bhattacharya, U Pal
2022 26th International Conference on Pattern Recognition (ICPR)2022
61 citations
DOI: 10.1109/ICPR56804.2022.9956285
SWIS: Self-Supervised Representation Learning for Writer Independent Offline Signature Verification
S Manna, S Chattopadhyay, S Bhattacharya, U Pal
2022 IEEE International Conference on Image Processing (ICIP)2022
28 citations
DOI: 10.1109/ICIP46576.2022.9897842
Interpretive self-supervised pre-training: boosting performance on visual medical data
S Manna, S Bhattacharya, U Pal
Proceedings of the Twelfth Indian Conference on Computer Vision, Graphics and Image Processing2021
7 citations
DOI: 10.1145/3490035.3490276

Ph.D. Thesis

Self-Supervised Learning and Its Applications in Medical Image Analysis
Siladittya Manna
Indian Statistical Institute, Kolkata2025
0 citations

Academic Profiles & Affiliations

Connect with me across various academic and professional platforms

Academic Affiliations

Current Affiliation

IISc
Indian Institute of Science

Previous Affiliations

HKBU
Hong Kong Baptist University
isical
Indian Statistical Institute
iiest
Indian Institute of Engineering Science and Technology

Research Collaborations

Building partnerships and advancing research together

IIT Kharagpur

Collaboration with Dr. Saumik Bhattacharya

Active

NIT Durgapur

Collaboration with Dr. Sayantari Ghosh

Active

LUT University, Sweden

Collaboration with Dr. Rajkumar Saini

Active

ISI Kolkata

Active member and contributor

Member

Future Collaborations

More research partnerships coming soon

Planning

Professional Background

Academic journey and professional experience

Work Experience

Post-Doctoral Research Associate

Indian Institute of ScienceBangalore, India

November 2024 - Present

Conducting research in Federated learning for Vision-Language Models.

Under supervision of Prof. Anirban Chakraborty

Senior Research Assistant

Hong Kong Baptist UniversityHong Kong

October 2024 - October 2025

Conducted research in Federated learning with applications in medical image segmentation, augmented with Self-Supervised learning principles.

Under supervision of Prof. Yiu-Ming Cheung

Educational Qualifications

Ph.D. in Computer Science

Indian Statistical InstituteKolkata, India

2019 - 2025

Thesis: Self-Supervised Learning and its Applications in Medical Image Analysis

Supervisor: Prof. Umapada Pal

M.Tech (Under Dual Degree)

Indian Institute of Engineering Science and TechnologyShibpur, Howrah, India

2018 - 2019

VLSI and Microelectronics

Supervisor: Dr. Ankita Pramanik

B.Tech (Under Dual Degree)

Indian Institute of Engineering Science and TechnologyShibpur, Howrah, India

2014 - 2018

Electronics and Telecommincation Engineering

Professional Activities

Contributing to the scientific community through various roles and initiatives

Teaching Experience

Teaching Assistant

Artifical Intelligence and Machine Learning (M.Tech (CS))
Indian Statistical Institute, Kolkata • 2018-19

Assisted in teaching advanced machine learning concepts like object detection, tracking and segmentation, and evaluated student projects on deep learning and computer vision.

Introduction to Machine Learning (M.Tech (ETCE))
Indian Institute of Engineering Science and Technology, Shibpur • 2018-19

Conducted tutorial sessions on machine learning algorithms for the first semester students of M.Tech (ETCE).

Mentorship

Internship Projects
2021-Present

• Mentored 1 intern student on projects related to self-supervised learning and signature verification with successful publications in ICPR, ICIP.

• JU, Kolkata: 1

• Currently, mentoring 4 intern students on projects related to self-supervised medical image analysis.

• IIT Delhi: 1 • IIT BHU: 1 • IIT Kharagpur: 1 • MU, Jaipur: 1

Undergraduate Projects
2023-Present

• Mentored several under-graduate students on computer vision and machine learning for their final year projects.

• IIT Kharagpur: 4

Postgraduate Projects
2023-Present

• Mentored several post-graduate students on computer vision and machine learning for their M.Tech. thesis.

• IIT Kharagpur: 3 • ISI Kolkata: 1 • RKM, Belur: 2

Tutorial and Talks

Workshop Tutorials

Hands-On Tutorial Session, MIDA 2023
SMIT, Sikkim & IDEAS-TIH, ISI Kolkata

Focused on self-supervised learning applications in medical imaging with practical implementations and case studies.

Editorial & Review Activities

Journal Reviewer

IEEE Transactions on Artificial Intelligence (TAI)
IEEE Transactions on Multimedia (TMM)
IEEE Access
IEEE Internet of Things Journal (IoT)
IEEE Transactions on Circuits and Systems for Video Technology (TCSVT)
Elsevier Knowledge-Based Systems (KBS)
Elsevier Pattern Recognition Letters (PRL)
Elsevier Computer Vision and Image Understanding (CVIU)
Springer Scientific Reports
Springer Pattern Analysis and Applications
Springer Multimedia Systems
Springer International Journal of Machine Learning and Cybernetics
Springer Neural Processing Letters
Springer Nature Computer Science (SNCS)
Transactions on Machine Learning Research (TMLR)

Conference Reviewer

International Conference on Pattern Recognition (ICPR)
ACM Knowledge Discovery and Data Mining (KDD)
ACM Multimedia
International Conference on Document Analysis and Recognition (ICDAR)

LLM Based Applications in Progress

Exploring and building innovative AI-powered solutions

In Progress
LLMMedical AIComputer Vision
Smart Medical Assistant
AI-powered diagnostic support system

Developing an LLM-based application for medical document analysis and diagnostic assistance using computer vision and natural language processing.

In Progress
NLPAcademicResearch
Scholarly Articles Discovery Interface
Automated academic paper analysis and summarization

Building an intelligent system that searches for research papers and summarizes them. Creates a new github repository containing the papers in the user's profile.

In Progress
Medical ImageAIDevelopment
Medical Image Viewer
AI-powered medical image viewer

Creating an LLM-based tool that helps developers with medical image analysis.

Blog: The Owl

Learn, Share, Grow - Technical insights and tutorials

Article
May 29, 2024
Updating your Local Branch from a Specific Remote Branch in Git
4 min read

Whether you’re collaborating on a feature or just keeping your work in sync, pulling changes to a non-main branch is a daily task for most developers. Here is how to do it cleanly.

Read on Medium
Article
May 29, 2024
Understanding multipart/form-data: How to Send Text + Binary Data in HTTP Requests
4 min read

When you start serving large language models locally — like MedGemma-4B running behind a FastAPI server — you quickly encounter something that most ML engineers haven’t had to think about before...

Read on Medium
Article
May 29, 2024
Hosting Your Own LLM Server
4 min read

Large language models are easy to run locally now. But running a model is not the same as serving it...

Read on Medium
Article
May 29, 2024
How to Start Using llama-server
4 min read

Unlike the Python package llama-cpp-python, the llama-server executable is not pre-installed anywhere. It is part of the C++ repository and must be compiled....

Read on Medium
Article
May 29, 2024
Running MedGemma-4B on CPU or Using GGUF + llama-cpp
4 min read

GGUF is a fully packaged, quantized model format designed specifically for inference....

Read on Medium
Article
May 29, 2024
Running MedGemma-4B on a Small GPU (<16GB) Using BitsAndBytes
4 min read

Large multimodal models usually demand serious hardware. A 4B parameter model in full precision occupies roughly 8GB just for weights — and that’s before accounting for activations and KV cache during generation....

Read on Medium
Article
May 29, 2024
Comprehensive Guide to Overlaying Segmentation Masks in Python
4 min read

Segmentation masks are fundamental in computer vision applications, from medical imaging to autonomous vehicles. Visualising these masks...

Read on Medium
Article
May 20, 2024
Understanding and Calculating MACs and FLOPs in PyTorch Models
4 min read

with calflops and torchprofile - Learn how to measure computational complexity and efficiency of your PyTorch models...

Read on Medium
Article
May 12, 2024
Compressing .nii Files to .nii.gz: A Guide to Efficient Data Storage
3 min read

In medical imaging, handling large datasets efficiently is crucial for storage and processing purposes. Neuroimaging Informatics...

Read on Medium
Article
Jun 26, 2024
The Practical Guide to Distributed Training using PyTorch — Part 4: On Multiple Nodes using SLURM
6 min read

On Multiple Nodes using SLURM

Read on Medium

10 articles available

Other Activities

Exploring creativity beyond academic research

Photography

Capturing moments through the lens

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