activity
20182026
most citedA Survey of Black-Box Adversarial Attacks on Computer Vision Models

23 citations · 43 across the 57 of their papers we have counts for

collaborators

58 papers

eess.AS2026

Towards Detecting Neural Audio Codec Synthesized Heart Sounds

Girish, Orchid Chetia Phukan, Mohd Mujtaba Akhtar +3

In this paper, we introduce Synthetic Heart Sound Detection (SHAC), a task aimed at identifying phonocardiograms (PCGs) synthesized using neural audio codecs (NACs). To facilitate…

eess.AS2026

Bridging the SEA Gap: An Initial Benchmark for Neural Audio Codec-Synthesized Speech Deepfakes in South-East Asian Languages

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +1

Codecfakes (CFs) are a type of speech deepfakes generated through Audio Language Models (ALMs), with Neural Audio Codecs (NACs) forming the core mechanism for speech encoding and g…

cs.CR2026

DECKER: Domain-invariant Embedding for Cross-Keyboard Extraction and Recognition

Bikrant Bikram Pratap Maurya, Nitin Choudhury, Daksh Agarwal +1

Acoustic side-channel attacks (ASCA) on keyboards pose a significant security risk, as keystrokes can be inferred from typing acoustics, revealing sensitive information. Prior ASCA…

cs.MM2026

RoboKA: KAN Informed Multimodal Learning for RoboCall Surveillance System

Nitin Choudhury, Nikhil Kumar, Aditya Kumar Sinha +5

Wide exploration on robocall surveillance research is hindered due to limited access to public datasets, due to privacy concerns. In this work, we first curate Robo-SAr, a syntheti…

eess.AS2026

Indic-CodecFake meets SATYAM: Towards Detecting Neural Audio Codec Synthesized Speech Deepfakes in Indic Languages

Girish, Mohd Mujtaba Akhtar, Orchid Chetia Phukan +1

The rapid advancement of Audio Large Language Models (ALMs), driven by Neural Audio Codecs (NACs), has led to the emergence of highly realistic speech deepfakes, commonly referred…

cs.CR2026

FOCA: Multimodal Malware Classification via Hyperbolic Cross-Attention

Nitin Choudhury, Bikrant Bikram Pratap Maurya, Orchid Chetia Phukan +1

In this work, we introduce FOCA, a novel multimodal framework for malware classification that jointly leverages audio and visual modalities. Unlike conventional Euclidean-based fus…

eess.AS2025

Investigating Polyglot Speech Foundation Models for Learning Collective Emotion from Crowds

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +6

This paper investigates the polyglot (multilingual) speech foundation models (SFMs) for Crowd Emotion Recognition (CER). We hypothesize that polyglot SFMs, pre-trained on diverse l…

eess.AS2025

Are Multimodal Foundation Models All That Is Needed for Emofake Detection?

Mohd Mujtaba Akhtar, Girish, Orchid Chetia Phukan +5

In this work, we investigate multimodal foundation models (MFMs) for EmoFake detection (EFD) and hypothesize that they will outperform audio foundation models (AFMs). MFMs due to t…

eess.AS2025

Enhancing In-Domain and Out-Domain EmoFake Detection via Cooperative Multilingual Speech Foundation Models

Orchid Chetia Phukan, Mohd Mujtaba Akhtar, Girish +1

In this work, we address EmoFake Detection (EFD). We hypothesize that multilingual speech foundation models (SFMs) will be particularly effective for EFD due to their pre-training…

astro-ph.IM2025

Time Invariant Sensor Tasking for Catalog Maintenance of LEO Space objects using Stochastic Geometry

Partha Chowdhury, Harsha M, Chinni Prabhunath Georg +2

Catalog maintenance of space objects by limited number of ground-based sensors presents a formidable challenging task to the space community. This article presents a methodology fo…

eess.AS2025

Towards Neural Audio Codec Source Parsing

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +2

A new class of audio deepfakes-codecfakes (CFs)-has recently caught attention, synthesized by Audio Language Models that leverage neural audio codecs (NACs) in the backend. In resp…

eess.AS2025

HYFuse: Aligning Heterogeneous Speech Pre-Trained Representations in Hyperbolic Space for Speech Emotion Recognition

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +4

Compression-based representations (CBRs) from neural audio codecs such as EnCodec capture intricate acoustic features like pitch and timbre, while representation-learning-based rep…

eess.AS2025

SNIFR : Boosting Fine-Grained Child Harmful Content Detection Through Audio-Visual Alignment with Cascaded Cross-Transformer

Orchid Chetia Phukan, Mohd Mujtaba Akhtar, Girish +8

As video-sharing platforms have grown over the past decade, child viewership has surged, increasing the need for precise detection of harmful content like violence or explicit scen…

eess.AS2025

Towards Source Attribution of Singing Voice Deepfake with Multimodal Foundation Models

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +5

In this work, we introduce the task of singing voice deepfake source attribution (SVDSA). We hypothesize that multimodal foundation models (MMFMs) such as ImageBind, LanguageBind w…

eess.AS2025

Are Mamba-based Audio Foundation Models the Best Fit for Non-Verbal Emotion Recognition?

Mohd Mujtaba Akhtar, Orchid Chetia Phukan, Girish +5

In this work, we focus on non-verbal vocal sounds emotion recognition (NVER). We investigate mamba-based audio foundation models (MAFMs) for the first time for NVER and hypothesize…

eess.AS2025

Investigating the Reasonable Effectiveness of Speaker Pre-Trained Models and their Synergistic Power for SingMOS Prediction

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +4

In this study, we focus on Singing Voice Mean Opinion Score (SingMOS) prediction. Previous research have shown the performance benefit with the use of state-of-the-art (SOTA) pre-t…

eess.AS2025

Towards Machine Unlearning for Paralinguistic Speech Processing

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +6

In this work, we pioneer the study of Machine Unlearning (MU) for Paralinguistic Speech Processing (PSP). We focus on two key PSP tasks: Speech Emotion Recognition (SER) and Depres…

eess.AS2025

Source Tracing of Synthetic Speech Systems Through Paralinguistic Pre-Trained Representations

Girish, Mohd Mujtaba Akhtar, Orchid Chetia Phukan +5

In this work, we focus on source tracing of synthetic speech generation systems (STSGS). Each source embeds distinctive paralinguistic features--such as pitch, tone, rhythm, and in…

eess.AS2025

Towards Fusion of Neural Audio Codec-based Representations with Spectral for Heart Murmur Classification via Bandit-based Cross-Attention Mechanism

Orchid Chetia Phukan, Girish, Mohd Mujtaba Akhtar +5

In this study, we focus on heart murmur classification (HMC) and hypothesize that combining neural audio codec representations (NACRs) such as EnCodec with spectral features (SFs),…

eess.AS2025

PARROT: Synergizing Mamba and Attention-based SSL Pre-Trained Models via Parallel Branch Hadamard Optimal Transport for Speech Emotion Recognition

Orchid Chetia Phukan, Mohd Mujtaba Akhtar, Girish +4

The emergence of Mamba as an alternative to attention-based architectures has led to the development of Mamba-based self-supervised learning (SSL) pre-trained models (PTMs) for spe…

eess.AS2024★ 1 cited

Investigating Prosodic Signatures via Speech Pre-Trained Models for Audio Deepfake Source Attribution

Orchid Chetia Phukan, Drishti Singh, Swarup Ranjan Behera +2

In this work, we investigate various state-of-the-art (SOTA) speech pre-trained models (PTMs) for their capability to capture prosodic signatures of the generative sources for audi…

eess.AS2024

Multi-View Multi-Task Modeling with Speech Foundation Models for Speech Forensic Tasks

Orchid Chetia Phukan, Devyani Koshal, Swarup Ranjan Behera +2

Speech forensic tasks (SFTs), such as automatic speaker recognition (ASR), speech emotion recognition (SER), gender recognition (GR), and age estimation (AE), find use in different…

eess.AS2024★ 1 cited

Beyond Speech and More: Investigating the Emergent Ability of Speech Foundation Models for Classifying Physiological Time-Series Signals

Orchid Chetia Phukan, Swarup Ranjan Behera, Girish +3

Despite being trained exclusively on speech data, speech foundation models (SFMs) like Whisper have shown impressive performance in non-speech tasks such as audio classification. T…

eess.AS2024

SeQuiFi: Mitigating Catastrophic Forgetting in Speech Emotion Recognition with Sequential Class-Finetuning

Sarthak Jain, Orchid Chetia Phukan, Swarup Ranjan Behera +2

In this work, we introduce SeQuiFi, a novel approach for mitigating catastrophic forgetting (CF) in speech emotion recognition (SER). SeQuiFi adopts a sequential class-finetuning s…