Aman Chadha • Research

About • Works • Resume • Research

Research

Citations: 1428 • h-index: 17 • Google Scholar
Media Coverage: AIM (Personal Profile) • The Washington Post (EMNLP 2023 LLM Hallucinations Paper) • AIM (ECIR 2024 MedSumm Paper) • New Scientist (LLM Socioeconomic Biases Paper) • AIM (Gaussian Adaptive Attention Paper) • YourStory (Personal Profile) • AIM (State of LLMs) • AIM (Indic LLMs) • AIM (CIKM 2024 Auditing LLMs Paper)

Talks/Tutorials: University of Cincinnati/Cincinnati Children's Hospital (Talk, Slides) • University of Maryland, Baltimore County (Talk, Slides) • University of South Carolina (Talk, Slides) • San Diego State University (Talk, Slides) • LREC-COLING 2024 Tutorial: Hallucination in Large Language Models (Slides)

Gaussian Adaptive Attention is All You Need: Robust Contextual Representations Across Multiple Modalities (Media Coverage by Analytics India Magazine)

Cognitively Inspired Energy-Based World Models

The Brittleness of AI-Generated Image Watermarking Techniques: Examining Their Robustness Against Visual Paraphrasing Attacks

  • Niyar R Barman, Krish Sharma, Ashhar Aziz, Shashwat Bajpai, Shwetangshu Biswas, Vasu Sharma, Vinija Jain, Aman Chadha, Amit Sheth, Amitava Das

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

MedVisionLlama: Leveraging Pre-Trained Large Language Model Layers to Enhance Medical Image Segmentation

Advancements in Modern Recommender Systems: Industrial Applications in Social Media, E-commerce, Entertainment, and Beyond

  • Sankalp KJ, Sai Naveena BV, Charith Chandra Sai Balne, Vinodh Kumar Sunkara, Sreyoshi Bhaduri, Vinija Jain, Aman Chadha

    PDF • ResearchGate • Mendeley

All Languages Matter: Evaluating LMMs on Culturally Diverse 100 Languages

  • Ashmal Vayani, Dinura Dissanayake, Hasindri Watawana, Noor Ahsan, Nevasini Sasikumar, Omkar Thawakar, Henok Biadglign Ademtew, Yahya Hmaiti, Amandeep Kumar, Kartik Kuckreja, Mykola Maslych, Wafa Al Ghallabi, Mihail Mihaylov, Chao Qin, Abdelrahman M Shaker, Mike Zhang, Mahardika Krisna Ihsani, Amiel Esplana, Monil Gokani, Shachar Mirkin, Harsh Singh, Ashay Srivastava, Endre Hamerlik, Fathinah Asma Izzati, Fadillah Adamsyah Maani, Sebastian Cavada, Jenny Chim, Rohit Gupta, Sanjay Manjunath, Kamila Zhumakhanova, Feno Heriniaina Rabevohitra, Azril Amirudin, Muhammad Ridzuan, Daniya Kareem, Ketan More, Kunyang Li, Pramesh Shakya, Muhammad Saad, Amirpouya Ghasemaghaei, Amirbek Djanibekov, Dilshod Azizov, Branislava Jankovic, Naman Bhatia, Alvaro Cabrera, Johan Obando-Ceron, Olympiah Otieno, Fabian Farestam, Muztoba Rabbani, Sanoojan Baliah, Santosh Sanjeev, Abduragim Shtanchaev, Maheen Fatima, Thao Nguyen, Amrin Kareem, Toluwani Aremu, Nathan Xavier, Amit Bhatkal, Hawau Toyin, Aman Chadha, Hisham Cholakkal, Rao Muhammad Anwer, Michael Felsberg, Jorma Laaksonen, Thamar Solorio, Monojit Choudhury, Ivan Laptev, Mubarak Shah, Salman Khan, Fahad Khan

    PDF • arXiv • Project Page • Dataset • Code • ResearchGate • Mendeley • Hugging Face

DPO Kernels: A Semantically-Aware, Kernel-Enhanced, and Divergence-Rich Paradigm for Direct Preference Optimization

  • Amitava Das, Suranjana Trivedy, Danush Khanna, Rajarshi Roy, Gurpreet Singh, Basab Ghosh, Yaswanth Narsupalli, Vinija Jain, Vasu Sharma, Aishwarya Naresh Reganti, Aman Chadha

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

Visual Counter Turing Test (VCT2): Discovering the Challenges for AI-Generated Image Detection and Introducing Visual AI Index (VAI)

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Evaluating Open Language Models Across Task Types, Application Domains, and Reasoning Types: An In-Depth Experimental Analysis

ViBe: A Text-to-Video Benchmark for Evaluating Hallucination in Large Multimodal Models

  • Vipula Rawte, Sarthak Jain, Aarush Sinha, Garv Kaushik, Aman Bansal, Prathiksha Rumale Vishwanath, Samyak Rajesh Jain, Aishwarya Naresh Reganti, Vinija Jain, Aman Chadha, Amit P. Sheth, Amitava Das

    PDF • arXiv• Project Page • ResearchGate • Mendeley • Hugging Face

Guiding Vision-Language Model Selection for Visual Question-Answering Across Tasks, Domains, and Knowledge Types

SKETCH: Structured Knowledge Enhanced Text Comprehension for Holistic Retrieval

On the Feasibility of Vision-Language Models for Time-Series Classification

LLMsAgainstHate @ NLU of Devanagari Script Languages 2025: Hate Speech Detection and Target Identification in Devanagari Languages via Parameter Efficient Fine-Tuning of LLMs

Refining Text-to-Image Generation: Towards Accurate Training-Free Glyph-Enhanced Image Generation

LREC-COLING 2024 Tutorial: Hallucination in Large Language Models

Density Adaptive Attention-based Speech Network: Enhancing Feature Understanding for Mental Health Disorders

DM-Codec: Distilling Multimodal Representations for Speech Tokenization

  • Md Mubtasim Ahasan, Md Fahim, Tasnim Mohiuddin, A K M Mahbubur Rahman, Aman Chadha, Tariq Iqbal, M Ashraful Amin, Md Mofijul Islam, Amin Ahsan Ali

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

Out-of-Distribution Detection with Attention Head Masking for Multimodal Document Classification

Unboxing Occupational Bias: Grounded Debiasing LLMs with U.S. Labor Data

Exploring the Abilities of Large Language Models to Solve Proportional Analogies via Knowledge-Enhanced Prompting

  • Thilini Wijesiriwardene, Ruwan Wickramarachchi, Sreeram Vennam, Vinija Jain, Aman Chadha, Amitava Das, Ponnurangam Kumaraguru, Amit Sheth
    COLING 2025

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

Improving Speaker Verification Robustness With Synthetic Emotional Utterances

How Culturally Aware are Vision-Language Models? (Media Coverage by Analytics India Magazine)

  • Olena Burda-Lassen, Aman Chadha, Shashank Goswami, Vinija Jain
    IEEE International Conference on Image Processing Applications and Systems (IPAS) 2025

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

Hierarchical Prompting Taxonomy: A Universal Evaluation Framework for Large Language Models

The Evolution of Multimodal Model Architectures

How Well Do LLMs Represent Values Across Cultures? Empirical Analysis of LLM Responses Based on Hofstede Cultural Dimensions

Decoding the Diversity: A Review of the Indic AI Research Landscape

COBIAS: Contextual Reliability in Bias Assessment

Unveiling Hallucination in Text, Image, Video, and Audio Foundation Models: A Comprehensive Survey

Born With a Silver Spoon? Investigating Socioeconomic Bias in Large Language Models (Media Coverage by New Scientist; Article PDF)

MemeGuard: An LLM and VLM-based Framework for Advancing Content Moderation via Meme Intervention

Enhancing Adverse Drug Event Detection with Multimodal Dataset: Corpus Creation and Model Development

"Sorry, Come Again?" Prompting -- Enhancing Comprehension and Diminishing Hallucination with [PAUSE]-injected Optimal Paraphrasing

FACTOID: FACtual enTailment fOr hallucInation Detection

A Comprehensive Survey of Accelerated Generation Techniques in Large Language Models

A Survey of AI-generated Text Forensic Systems: Detection, Attribution, and Characterization

Parameter Efficient Fine Tuning (PEFT): A Comprehensive Analysis Across Applications

Cross-Platform Hate Speech Detection with Weakly Supervised Causal Disentanglement

Breaking Down the Defenses: A Comparative Survey of Attacks on Large Language Models (Citations: 15+)

Exploring the Frontier of Vision-Language Models: A Survey of Current Methodologies and Future Directions (Citations: 5+) (Top Ten List)

ClaimVer: Explainable Claim-Level Verification and Evidence Attribution of Text Through Knowledge Graphs

The Evolution of Mixture of Experts: A Survey from Basics to Breakthroughs

RoundTable: Leveraging Dynamic Schema and Contextual Autocomplete for Enhanced Query Precision in Tabular Question Answering

Evidence-backed Fact Checking using Retrieval Augmented Generation and Few-Shot In-Context Learning with Large Language Models

Exploring the Impact of Large Language Models on Recommender Systems: An Extensive Review (Citations: 10+)

PHAnToM: Personality Has An Effect on Theory-of-Mind Reasoning in Large Language Models

  • Fiona Anting Tan, Gerard Christopher Yeo, Fanyou Wu, Weijie Xu, Vinija Jain, Aman Chadha, Kokil Jaidka, Yang Liu, See-Kiong Ng
    IC2S2 2024

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

Cause and Effect: Can Large Language Models Truly Understand Causality? (Citations: 5+)

  • Swagata Ashwani, Kshiteesh Hegde, Nishith Reddy Mannuru, Mayank Jindal, Dushyant Singh Sengar, Krishna Chaitanya Rao Kathala, Dishant Banga, Vinija Jain, Aman Chadha
    AAAI Symposium on AI Trustworthiness and Risk Assessment for Challenged Contexts (ATRACC) 2025

    PDF • arXiv • AAAI Proceedings • ResearchGate • Mendeley • Hugging Face

Source-Free Domain Adaptation with Diffusion-Guided Source Data Generation

From Prejudice to Parity: A New Approach to Debiasing Large Language Model Word Embeddings

On the Relationship between Sentence Analogy Identification and Sentence Structure Encoding in Large Language Models

Investigating Annotator Bias in Large Language Models for Hate Speech Detection

  • Amit Das, Zheng Zhang, Fatemeh Jamshidi, Vinija Jain, Aman Chadha, Nilanjana Raychawdhary, Mary Sandage, Lauramarie Pope, Gerry Dozier, Cheryl Seals
    NeurIPS Safe Generative AI Workshop 2024

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

OffensiveLang: A Community Based Implicit Offensive Language Dataset

  • Amit Das, Mostafa Rahgouy, Dongji Feng, Zheng Zhang, Tathagata Bhattacharya, Nilanjana Raychawdhary, Fatemeh Jamshidi, Vinija Jain, Aman Chadha, Mary Sandage, Lauramarie Pope, Gerry Dozier, Cheryl Seals
    IEEE Access

    PDF • arXiv • • IEEE Access • ResearchGate • Mendeley • Hugging Face

Post-training Embedding Alignment for Decoupling Enrollment and Runtime Speaker Recognition Models

The Troubling Emergence of Hallucination in Large Language Models -- An Extensive Definition, Quantification, and Prescriptive Remediations (Citations: 110+) (Media Coverage by The Washington Post)

Counter Turing Test (CT2): AI-Generated Text Detection is Not as Easy as You May Think - Introducing AI Detectability Index (ADI) (Citations: 15+) (Outstanding Paper Award)

FACTIFY3M: A Benchmark for Multimodal Fact Verification with Explainability through 5W Question-Answering

  • Megha Chakraborty, Khusbu Pahwa, Anku Rani, Adarsh Mahor, Aditya Pakala, Arghya Sarkar, Harshit Dave, Ishan Paul, Janvita Reddy, Preethi Gurumurthy, Ritvik G, Samahriti Mukherjee, Shreyas Chatterjee, Kinjal Sensharma, Dwip Dalal, Suryavardan S, Shreyash Mishra, Parth Patwa, Aman Chadha, Amit Sheth, Amitava Das
    EMNLP 2023

    PDF • arXiv • ACL Anthology • Presentation • ResearchGate • Mendeley • Hugging Face

Are Personalized Stochastic Parrots More Dangerous? Evaluating Persona Biases in Dialogue Systems (Citations: 10+)

MedSumm: A Multimodal Approach to Summarizing Code-Mixed Hindi-English Clinical Queries (Citations: 5+) (Media Coverage by Analytics India Magazine)

  • Akash Ghosh, Arkadeep Acharya, Prince Jha, Aniket Gaudgaul, Rajdeep Majumdar, Sriparna Saha, Aman Chadha, Raghav Jain, Setu Sinha, Shivani Agarwal
    ECIR 2024

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

LLMAuditor: A Framework for Auditing Large Language Models Using Human-in-the-Loop (Citations: 5+)

AuditLLM: A Tool for Auditing Large Language Models Using Multiprobe Approach (Media Coverage by Analytics India Magazine)

A Systematic Survey of Prompt Engineering in Large Language Models: Techniques and Applications (Citations: 280+)

Dynamic Corrective Self-Distillation for Better Fine-Tuning of Pretrained Models

CLIPSyntel: CLIP and LLM Synergy for Multimodal Question Summarization in Healthcare (Citations: 15+)

The What, Why, and How of Context Length Extension Techniques in Large Language Models -- A Detailed Survey (Citations: 10+)

A Comprehensive Survey of Hallucination Mitigation Techniques in Large Language Models (Citations: 220+)

SEPSIS: I Can Catch Your Lies -- A New Paradigm for Deception Detection

Improved Contextual Recognition In Automatic Speech Recognition Systems By Semantic Lattice Rescoring

Can LLMs Augment Low-Resource Reading Comprehension Datasets? Opportunities and Challenges (Citations: 10+)

Transcending Domains through Text-to-Image Diffusion: A Source-Free Approach to Domain Adaptation

RESTORE: Graph Embedding Assessment Through Reconstruction

Generative Data Augmentation using LLMs improves Distributional Robustness in Question Answering

CONFLATOR: Incorporating Switching Point based Rotatory Positional Encodings for Code-Mixed Language Modeling

Causality Guided Disentanglement for Cross-Platform Hate Speech Detection

Seeing the Pose in the Pixels: Learning Pose-Aware Representations in Vision Transformers

Breaking Language Barriers: A Question Answering Dataset for Hindi and Marathi

PEACE: Cross-Platform Hate Speech Detection -- A Causality-guided Framework (Citations: 20+)

ANALOGICAL -- A New Benchmark for Analogy of Long Text for Large Language Models (Citations: 20+)

FACTIFY-5WQA: 5W Aspect-based Fact Verification through Question Answering (Citations: 15+)

IMAGINATOR: Pre-Trained Image+Text Joint Embeddings using Word-Level Grounding of Images

  • Varuna Krishna, S Suryavardan, Shreyash Mishra, Sathyanarayanan Ramamoorthy, Parth Patwa, Megha Chakraborty, Aman Chadha, Amitava Das, Amit Sheth
    ICON 2023

    PDF • arXiv • ResearchGate • Mendeley • Hugging Face

Facial Expression Recognition using Squeeze and Excitation-powered Swin Transformers

Findings of Factify 2: Multimodal Fake News Detection (Citations: 10+)

Factify 2: A Multimodal Fake News and Satire News Dataset (Citations: 15+)

Overview of Memotion 3: Sentiment and Emotion Analysis of Codemixed Hinglish Memes

Memotion 3: Dataset on sentiment and emotion analysis of codemixed Hindi-English Memes

I See What You Hear: A Vision-Inspired Method to Localize Words

Few-shot Multimodal Multitask Multilingual Learning

iReason: Multimodal Commonsense Reasoning using Videos and Natural Language with Interpretability

iPerceive: Applying Common-Sense Reasoning to Multi-Modal Dense Video Captioning and Video Question Answering (Citations: 40+)

iSeeBetter: Spatio-Temporal Video Super-Resolution using Recurrent Generative Back-Projection Networks (Citations: 30+)

Comparative Study and Optimization of Feature-Extraction Techniques for Content Based Image Retrieval (Citations: 120+)

Face Recognition Using Discrete Cosine Transform for Global and Local Features (Citations: 80+)

Dual-Layer Video Encryption using RSA Algorithm (Citations: 20+)

ARC Sort: Enhanced and Time Efficient Sorting Algorithm

Text-Independent Speaker Recognition for Low SNR Environments with Encryption

Analysis of a Modern Voice Morphing Approach using Gaussian Mixture Models for Laryngectomees

A robust, low-cost approach to Face Detection and Face Recognition

Audio Watermarking with Error Correction

Design and Simulation of an 8-bit Dedicated Processor for calculating the Sine and Cosine of an Angle using CORDIC Algorithm

Rotation, Scaling and Translation Analysis of Biometric Signature Templates

Multi-Personality Partitioning for Heterogeneous Systems

Snow Avalanche: Study and Detection using Remote Sensing Techniques

Optimization Techniques for 160 GBPS WDM Optical Links to Minimize Nonlinear Effects

  • Ankit Chadha, Aman Chadha, Neha Satam, Sunkist Mehta, Santosh Jagtap
    IJCEIT, ISSN: 2277-4106 (Online); 2347-5161 (Print), Vol. 6, No. 2, pp. 1-7, April 2017. (Impact Factor: 0.61)
    PDF • ResearchGate • Mendeley • SemanticScholar

Performance Analysis of WDM-based Optical Communication Systems in presence of Kerr Nonlinearities

  • Aman Chadha, Ankit Chadha, Neha Satam, Sunkist Mehta, Santosh Jagtap
    IJCET, ISSN: 2277-4106 (Online); 2347-5161 (Print), Vol. 7, No. 2, pp. 620-628, April 2017. (Impact Factor: 6.125)
    PDF • ResearchGate • Mendeley • SemanticScholar

Compensation of Self Phase Modulation by Anomalous Dispersion in Nonlinear Optical Communication Systems

  • Ankit Chadha, Aman Chadha, Neha Satam, Santosh Jagtap
    IJCET, ISSN: 2277-4106 (Online); 2347-5161 (Print), Vol. 7, No. 2, pp. 614-619, April 2017. (Impact Factor: 6.125)
    PDF • ResearchGate • Mendeley • SemanticScholar