Search Results for author: Soumyajit Chatterjee

Found 6 papers, 2 papers with code

Evaluating Large Language Models as Virtual Annotators for Time-series Physical Sensing Data

no code implementations2 Mar 2024 Aritra Hota, Soumyajit Chatterjee, Sandip Chakraborty

Motivated by this observation, we perform a detailed study in this paper to assess whether the state-of-the-art (SOTA) LLMs can be used as virtual annotators for labeling time-series physical sensing data.

Prompt Engineering Time Series

"Filling the Blanks'': Identifying Micro-activities that Compose Complex Human Activities of Daily Living

no code implementations22 Jun 2023 Soumyajit Chatterjee, Bivas Mitra, Sandip Chakraborty

Naturally, a deeper understanding of these micro-activities can help develop more sophisticated human activity recognition (HAR) models and add explainability to their inferred conclusions.

Attribute Change Point Detection +2

Enhancing Efficiency in Multidevice Federated Learning through Data Selection

1 code implementation8 Nov 2022 Fan Mo, Mohammad Malekzadeh, Soumyajit Chatterjee, Fahim Kawsar, Akhil Mathur

Federated learning (FL) in multidevice environments creates new opportunities to learn from a vast and diverse amount of private data.

Federated Learning

Accoustate: Auto-annotation of IMU-generated Activity Signatures under Smart Infrastructure

1 code implementation8 Dec 2021 Soumyajit Chatterjee, Arun Singh, Bivas Mitra, Sandip Chakraborty

This paper exploits the acoustic signatures generated from human activities to label the wearables' IMU data at the edge, thus mitigating resource requirement and data privacy concerns.

Human Activity Recognition

Exploiting Multi-modal Contextual Sensing for City-bus's Stay Location Characterization: Towards Sub-60 Seconds Accurate Arrival Time Prediction

no code implementations24 May 2021 Ratna Mandal, Prasenjit Karmakar, Soumyajit Chatterjee, Debaleen Das Spandan, Shouvit Pradhan, Sujoy Saha, Sandip Chakraborty, Subrata Nandi

However, providing prior information for transportation systems like public buses in real-time is inherently challenging because of the diverse nature of different stay-locations that a public bus stops.

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