activity
20222024
most citedA Brief Overview of Physics-inspired Metaheuristic Optimization Techniques

8 citations · 14 across the 11 of their papers we have counts for

collaborators

11 papers

cs.CV2024★ 1 cited

Towards Generative Class Prompt Learning for Fine-grained Visual Recognition

Soumitri Chattopadhyay, Sanket Biswas, Emanuele Vivoli +1

Although foundational vision-language models (VLMs) have proven to be very successful for various semantic discrimination tasks, they still struggle to perform faithfully for fine-…

cs.CV2023

Active Learning for Fine-Grained Sketch-Based Image Retrieval

Himanshu Thakur, Soumitri Chattopadhyay

The ability to retrieve a photo by mere free-hand sketching highlights the immense potential of Fine-grained sketch-based image retrieval (FG-SBIR). However, its rapid practical ad…

cs.LG2023★ 1 cited

Dynamically Scaled Temperature in Self-Supervised Contrastive Learning

Siladittya Manna, Soumitri Chattopadhyay, Rakesh Dey +2

In contemporary self-supervised contrastive algorithms like SimCLR, MoCo, etc., the task of balancing attraction between two semantically similar samples and repulsion between two…

cs.CL2023

BeAts: Bengali Speech Acts Recognition using Multimodal Attention Fusion

Ahana Deb, Sayan Nag, Ayan Mahapatra +6

Spoken languages often utilise intonation, rhythm, intensity, and structure, to communicate intention, which can be interpreted differently depending on the rhythm of speech of the…

cs.CV2023★ 3 cited

Exploiting Unlabelled Photos for Stronger Fine-Grained SBIR

Aneeshan Sain, Ayan Kumar Bhunia, Subhadeep Koley +4

This paper advances the fine-grained sketch-based image retrieval (FG-SBIR) literature by putting forward a strong baseline that overshoots prior state-of-the-arts by ~11%. This is…

cs.CV2023

An Evaluation of Non-Contrastive Self-Supervised Learning for Federated Medical Image Analysis

Soumitri Chattopadhyay, Soham Ganguly, Sreejit Chaudhury +2

Privacy and annotation bottlenecks are two major issues that profoundly affect the practicality of machine learning-based medical image analysis. Although significant progress has…

cs.CV2023

Exploring Self-Supervised Representation Learning For Low-Resource Medical Image Analysis

Soumitri Chattopadhyay, Soham Ganguly, Sreejit Chaudhury +2

The success of self-supervised learning (SSL) has mostly been attributed to the availability of unlabeled yet large-scale datasets. However, in a specialized domain such as medical…

cs.CV2022

IDEAL: Improved DEnse locAL Contrastive Learning for Semi-Supervised Medical Image Segmentation

Hritam Basak, Soumitri Chattopadhyay, Rohit Kundu +2

Due to the scarcity of labeled data, Contrastive Self-Supervised Learning (SSL) frameworks have lately shown great potential in several medical image analysis tasks. However, the e…

cs.CV2022

SWIS: Self-Supervised Representation Learning For Writer Independent Offline Signature Verification

Siladittya Manna, Soumitri Chattopadhyay, Saumik Bhattacharya +1

Writer independent offline signature verification is one of the most challenging tasks in pattern recognition as there is often a scarcity of training data. To handle such data sca…

cs.AI2022★ 8 cited

A Brief Overview of Physics-inspired Metaheuristic Optimization Techniques

Soumitri Chattopadhyay, Aritra Marik, Rishav Pramanik

Metaheuristic algorithms are methods devised to efficiently solve computationally challenging optimization problems. Researchers have taken inspiration from various natural and phy…

cs.CV2022★ 1 cited

SURDS: Self-Supervised Attention-guided Reconstruction and Dual Triplet Loss for Writer Independent Offline Signature Verification

Soumitri Chattopadhyay, Siladittya Manna, Saumik Bhattacharya +1

Offline Signature Verification (OSV) is a fundamental biometric task across various forensic, commercial and legal applications. The underlying task at hand is to carefully model f…