Search Results for author: Sumit Kumar

Found 41 papers, 5 papers with code

CLPLM: Character Level Pretrained Language Model for ExtractingSupport Phrases for Sentiment Labels

no code implementations ICON 2020 Raj Pranesh, Sumit Kumar, Ambesh Shekhar

In this paper, we have designed a character-level pre-trained language model for extracting support phrases from tweets based on the sentiment label.

Language Modelling

COPS: A Compact On-device Pipeline for real-time Smishing detection

no code implementations6 Feb 2024 Harichandana B S S, Sumit Kumar, Manjunath Bhimappa Ujjinakoppa, Barath Raj Kandur Raja

Smartphones have become indispensable in our daily lives and can do almost everything, from communication to online shopping.

ML-based PBCH symbol detection and equalization for 5G Non-Terrestrial Networks

no code implementations26 Sep 2023 Inés Larráyoz-Arrigote, Marcele O. K. Mendonca, Alejandro Gonzalez-Garrido, Jevgenij Krivochiza, Sumit Kumar, Jorge Querol, Joel Grotz, Stefano Andrenacci, Symeon Chatzinotas

This paper delves into the application of Machine Learning (ML) techniques in the realm of 5G Non-Terrestrial Networks (5G-NTN), particularly focusing on symbol detection and equalization for the Physical Broadcast Channel (PBCH).

IRS Assisted MIMO Full Duplex: Rate Analysis and Beamforming Under Imperfect CSI

no code implementations16 Aug 2023 Chandan Kumar Sheemar, Sourabh Solanki, Jorge Querol, Sumit Kumar, Symeon Chatzinotas

In this manuscript, we present a novel approach to jointly optimize active and passive beamforming in a multiple-input-multiple-output (MIMO) FD system assisted by an IRS for weighted sum rate (WSR) maximization.

Robust Beamforming for IRS Aided MIMO Full Duplex Systems

no code implementations15 Aug 2023 Chandan Kumar Sheemar, Jorge Querol, Sourabh Solanki, Sumit Kumar, Symeon Chatzinotas

We also analyze the achievable WSR of an IRS-assisted FD with imperfect CSI, for which the lower and the upper bounds are derived.

Robust Design

SeLiNet: Sentiment enriched Lightweight Network for Emotion Recognition in Images

no code implementations6 Jul 2023 Tuneer Khargonkar, Shwetank Choudhary, Sumit Kumar, Barath Raj KR

In this paper, we propose a sentiment-enriched lightweight network SeLiNet and an end-to-end on-device pipeline for contextual emotion recognition in images.

Emotion Recognition

Optimization for truss design using Bayesian optimization

no code implementations27 May 2023 Bhawani Sandeep, Surjeet Singh, Sumit Kumar

We rely on finite element analysis, which is a computationally costly design analysis tool for design evaluation.

Bayesian Optimization

LEAN: Light and Efficient Audio Classification Network

no code implementations22 May 2023 Shwetank Choudhary, CR Karthik, Punuru Sri Lakshmi, Sumit Kumar

Over the past few years, audio classification task on large-scale dataset such as AudioSet has been an important research area.

Audio Classification Transfer Learning

Malaria detection using Deep Convolution Neural Network

no code implementations4 Mar 2023 Sumit Kumar, Harsh Vardhan, Sneha Priya, Ayush Kumar

The latest WHO report showed that the number of malaria cases climbed to 219 million last year, two million higher than last year.

Balanced Deep CCA for Bird Vocalization Detection

no code implementations17 Nov 2022 Sumit Kumar, B. Anshuman, Linus Ruettimann, Richard H. R. Hahnloser, Vipul Arora

The key objective of this work is to learn useful embeddings associated with high performance in downstream event detection tasks when labeled data is scarce and the audio events of interest (songbird vocalizations) are sparse.

Event Detection Self-Supervised Learning

LIP: Lightweight Intelligent Preprocessor for meaningful text-to-speech

no code implementations11 Jul 2022 Harshvardhan Anand, Nansi Begam, Richa Verma, Sourav Ghosh, Harichandana B. S. S, Sumit Kumar

In this work, we aim to introduce a lightweight intelligent preprocessor (LIP) that can enhance the readability of a message before being passed downstream to existing TTS systems.

Architectures and Synchronization Techniques for Distributed Satellite Systems: A Survey

no code implementations16 Mar 2022 Liz Martinez Marrero, Juan C. Merlano Duncan, Jorge Querol, Sumit Kumar, Jevgenij Krivochiza, Shree Krishna Sharma, Symeon Chatzinotas, Adriano Camps, Bjorn Otterstern

This article also provides an extensive list of applications and examples of synchronization techniques for DSS in addition to the most significant advances in other operations closely related to synchronization, such as inter-satellite ranging and relative position.

LEAPMood: Light and Efficient Architecture to Predict Mood with Genetic Algorithm driven Hyperparameter Tuning

no code implementations5 Feb 2022 Harichandana B S S, Sumit Kumar

LEAPMood consists of Emotion Recognition in Conversion (ERC) as the first building block followed by mood prediction using K-means clustering.

Emotion Recognition Recommendation Systems

PrivPAS: A real time Privacy-Preserving AI System and applied ethics

no code implementations5 Feb 2022 Harichandana B S S, Vibhav Agarwal, Sourav Ghosh, Gopi Ramena, Sumit Kumar, Barath Raj Kandur Raja

This motivates us to work towards a solution to generate privacy-conscious cues for raising awareness in smartphone users of any sensitivity in their viewfinder content.

Ethics Privacy Preserving

Adaptive Beam Search to Enhance On-device Abstractive Summarization

no code implementations22 Dec 2021 Harichandana B S S, Sumit Kumar

In this paper, we tackle this issue and for the first time, propose a novel Adaptive Beam Search to improve the quality of on-device abstractive summarization that can be applied to SMS, voice messages and can be extended to documents.

Abstractive Text Summarization Knowledge Distillation

TweetBLM: A Hate Speech Dataset and Analysis of Black Lives Matter-related Microblogs on Twitter

no code implementations27 Aug 2021 Sumit Kumar, Raj Ratn Pranesh

Our dataset comprises 9165 manually annotated tweets that target the Black Lives Matter movement.

Coexistence of Communications and Cognitive MIMO Radar: Waveform Design and Prototype

no code implementations8 Mar 2021 Mohammad Alaee-Kerahroodi, Ehsan Raei, Sumit Kumar, Bhavani Shankar Mysore Rama Rao

New generation of radar systems will need to coexist with other radio frequency (RF) systems, anticipating their behavior and reacting appropriately to avoid interference.

Radar waveform design

Blockchain Technology: Introduction, Integration and Security Issues with IoT

no code implementations26 Jan 2021 Sunil Kumar Singh, Sumit Kumar

This article elaborates on these two categories as well.

Cryptography and Security

SoftNER: Mining Knowledge Graphs From Cloud Incidents

no code implementations15 Jan 2021 Manish Shetty, Chetan Bansal, Sumit Kumar, Nikitha Rao, Nachiappan Nagappan

We have deployed SoftNER at Microsoft, a major cloud service provider and have evaluated it on more than 2 months of cloud incidents.

Cloud Computing Knowledge Graphs +3

On-Device Document Classification using multimodal features

no code implementations6 Jan 2021 Sugam Garg, Harichandana, Sumit Kumar

For this task, we integrate an open-source library for Optical Character Recognition (OCR) and our novel model architecture in the pipeline.

Classification Document Classification +4

A Remote Carrier Synchronization Technique for Coherent Distributed Remote Sensing Systems

no code implementations20 Nov 2020 Juan Merlano Duncan, Liz Martinez-Marrero, Jorge Querol, Sumit Kumar, Adriano Camps, Symeon Chatzinotas, Bjorn Ottersten

Phase, frequency, and time synchronization are crucial requirements for many applications, such as multi-static remote sensing and communication systems.

CLPLM: Character Level Pretrained Language Model for Extracting Support Phrases for Sentiment Labels

no code implementations24 Oct 2020 Raj Ratn Pranesh, Ambesh Shekhar, Sumit Kumar

In this paper, we have designed a character-level pre-trained language model for extracting support phrases from tweets based on the sentiment label.

Language Modelling

Improving Neural Text Summarization using Knowledge Graphs

no code implementations24 Oct 2020 Ambesh Shekhar, Raj Ratn Pranesh, Sumit Kumar

In this paper, we propose a method for extractive text summarization using auto-regressive transformers.

Extractive Text Summarization Knowledge Graphs

M2D: A Multi-modal Framework for Automatic Medical Diagnosis

no code implementations19 Oct 2020 Raj Ratn Pranesh, Ambesh Shekhar, Sumit Kumar

In this paper, we present M2D: a multimodal deep learning framework for automatic medical condition diagnosis via transfer learning.

Language Modelling Medical Diagnosis +2

Biomedical Network Link Prediction using Neural Network Graph Embedding

no code implementations19 Oct 2020 Sumit Kumar, Raj Ratn Pranesh, Ambesh Shekhar

In this paper, we aim at Graph embedding learning for automatic grasping of low-dimensional node representation on biomedical networks.

Classification Graph Embedding +1

Towards Automatic Sentiment-based Topic Phrase Generation

no code implementations18 Oct 2020 Raj Ratn Pranesh, Ambesh Shekhar, Sumit Kumar

For obtaining a comprehensive understanding and knowledge of customers’ expectations and demands, analysis of user-generated online product and service reviews is very important.

Language Modelling

A Conglomerate of Multiple OCR Table Detection and Extraction

no code implementations16 Oct 2020 Smita Pallavi, Raj Ratn Pranesh, Sumit Kumar

Information representation as tables are compact and concise method that eases searching, indexing, and storage requirements.

Optical Character Recognition (OCR) Table Detection

MAME : Model-Agnostic Meta-Exploration

no code implementations11 Nov 2019 Swaminathan Gurumurthy, Sumit Kumar, Katia Sycara

Meta-Reinforcement learning approaches aim to develop learning procedures that can adapt quickly to a distribution of tasks with the help of a few examples.

Efficient Exploration Meta Reinforcement Learning

2-OGC: Open Gravitational-wave Catalog of binary mergers from analysis of public Advanced LIGO and Virgo data

1 code implementation11 Oct 2019 Alexander H. Nitz, Thomas Dent, Gareth S. Davies, Sumit Kumar, Collin D. Capano, Ian Harry, Simone Mazzon, Laura Nuttall, Andrew Lundgren, Marton Tápai

We identify a population of 14 binary black hole mergers with $p_{\mathrm{astro}} > 0. 5$ along with the GW170817 binary neutron star merger.

High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology

GW170817: Stringent constraints on neutron-star radii from multimessenger observations and nuclear theory

1 code implementation27 Aug 2019 Collin D. Capano, Ingo Tews, Stephanie M. Brown, Ben Margalit, Soumi De, Sumit Kumar, Duncan A. Brown, Badri Krishnan, Sanjay Reddy

The properties of neutron stars are determined by the nature of the matter that they contain.

High Energy Astrophysical Phenomena General Relativity and Quantum Cosmology High Energy Physics - Phenomenology Nuclear Theory

Learning Transferable Cooperative Behavior in Multi-Agent Teams

4 code implementations4 Jun 2019 Akshat Agarwal, Sumit Kumar, Katia Sycara

While multi-agent interactions can be naturally modeled as a graph, the environment has traditionally been considered as a black box.

Multi-agent Reinforcement Learning Zero-shot Generalization

Learning Configuration Space Belief Model from Collision Checks for Motion Planning

no code implementations22 Jan 2019 Sumit Kumar, Shushman Choudhary, Siddhartha Srinivasa

Our aim is to reduce the expected number of collision checks by creating a belief model of the configuration space using results from collision tests.

Motion Planning

Active Learning with Gaussian Processes for High Throughput Phenotyping

1 code implementation21 Jan 2019 Sumit Kumar, Wenhao Luo, George Kantor, Katia Sycara

A looming question that must be solved before robotic plant phenotyping capabilities can have significant impact to crop improvement programs is scalability.

Active Learning Gaussian Processes +2

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