activity
20222026
most citedSigning Outside the Studio: Benchmarking Background Robustness for Continuous Sign Language Recognition

6 citations · 11 across the 22 of their papers we have counts for

collaborators

25 papers

cs.CV2026

Uncovering Ordinal-Matching Bias in Audio-Visual LLMs

Jihoo Jung, Youngjoon Jang, Hyebin Cho +2

This work aims to improve how audio-visual large language models (AVLLMs) associate speech with the correct visible speaker in multi-speaker scenes. We find that current AVLLMs fre…

cs.CV2026

SignMatch: Matching Dictionary Signs to Continuous Sign Language Video

Ryan Wong, Youngjoon Jang, Liliane Momeni +2

The objective of this paper is to match dictionary sign videos to corresponding signs in continuous signing videos, where a match is defined by the visual similarity alone - the ha…

cs.CV2026

Out of Sight, Still in Mind: Token Compression for Omni-LLMs

Suho Yoo, Youngjoon Jang, Hyebin Cho +1

The goal of this paper is to reduce the input token cost of Omni-modal large language models (Omni-LLMs) at inference time. Omni-LLMs reason jointly over audio, video and text, but…

cs.CV2026

On the Nature of Attention Sink that Shapes Decoding Strategy in Omni-LLMs

Suho Yoo, Youngjoon Jang, Joon Son Chung

The goal of this paper is to strengthen the reasoning of Omnimodal Large Language Models (Omni-LLMs) at inference time, without additional training. These models jointly process vi…

cs.LG2026

FastAV: Efficient Token Pruning for Audio-Visual Large Language Model Inference

Chaeyoung Jung, Youngjoon Jang, Seungwoo Lee +1

In this work, we present FastAV, the first token pruning framework tailored for audio-visual large language models (AV-LLMs). While token pruning has been actively explored in stan…

eess.AS2025

LP-CFM: Perceptual Invariance-Aware Conditional Flow Matching for Speech Modeling

Doyeop Kwak, Youngjoon Jang, Joon Son Chung

The goal of this paper is to provide a new perspective on speech modeling by incorporating perceptual invariances such as amplitude scaling and temporal shifts. Conventional genera…

cs.CV2025

Lost in Translation, Found in Embeddings: Sign Language Translation and Alignment

Youngjoon Jang, Liliane Momeni, Zifan Jiang +3

Our aim is to develop a unified model for sign language understanding, that performs sign language translation (SLT) and sign-subtitle alignment (SSA). Together, these two tasks en…

cs.CL2025

Segment, Embed, and Align: A Universal Recipe for Aligning Subtitles to Signing

Zifan Jiang, Youngjoon Jang, Liliane Momeni +3

The goal of this work is to develop a universal approach for aligning subtitles (i.e., spoken language text with corresponding timestamps) to continuous sign language videos. Prior…

eess.AS2025

EDNet: A Versatile Speech Enhancement Framework with Gating Mamba Mechanism and Phase Shift-Invariant Training

Doyeop Kwak, Youngjoon Jang, Seongyu Kim +1

Speech signals in real-world environments are frequently affected by various distortions such as additive noise, reverberation, and bandwidth limitation, which may appear individua…

cs.CV2025

Test-Time Augmentation for Pose-invariant Face Recognition

Jaemin Jung, Youngjoon Jang, Joon Son Chung

The goal of this paper is to enhance face recognition performance by augmenting head poses during the testing phase. Existing methods often rely on training on frontalised images o…

cs.CV2025

Fork-Merge Decoding: Enhancing Multimodal Understanding in Audio-Visual Large Language Models

Chaeyoung Jung, Youngjoon Jang, Jongmin Choi +1

The goal of this work is to enhance balanced multimodal understanding in audio-visual large language models (AV-LLMs) by addressing modality bias without additional training. In cu…

cs.CV2025

AVCD: Mitigating Hallucinations in Audio-Visual Large Language Models through Contrastive Decoding

Chaeyoung Jung, Youngjoon Jang, Joon Son Chung

Hallucination remains a major challenge in multimodal large language models (MLLMs). To address this, various contrastive decoding (CD) methods have been proposed that contrasts or…

cs.CV2025

Deep Understanding of Sign Language for Sign to Subtitle Alignment

Youngjoon Jang, Jeongsoo Choi, Junseok Ahn +1

The objective of this work is to align asynchronous subtitles in sign language videos with limited labelled data. To achieve this goal, we propose a novel framework with the follow…

cs.CV2025

Lost in Translation, Found in Context: Sign Language Translation with Contextual Cues

Youngjoon Jang, Haran Raajesh, Liliane Momeni +2

Our objective is to translate continuous sign language into spoken language text. Inspired by the way human interpreters rely on context for accurate translation, we incorporate ad…

eess.AS2024

VoiceDiT: Dual-Condition Diffusion Transformer for Environment-Aware Speech Synthesis

Jaemin Jung, Junseok Ahn, Chaeyoung Jung +3

We present VoiceDiT, a multi-modal generative model for producing environment-aware speech and audio from text and visual prompts. While aligning speech with text is crucial for in…

cs.CV2024

Let Me Finish My Sentence: Video Temporal Grounding with Holistic Text Understanding

Jongbhin Woo, Hyeonggon Ryu, Youngjoon Jang +2

Video Temporal Grounding (VTG) aims to identify visual frames in a video clip that match text queries. Recent studies in VTG employ cross-attention to correlate visual frames and t…

cs.CV2024

Faces that Speak: Jointly Synthesising Talking Face and Speech from Text

Youngjoon Jang, Ji-Hoon Kim, Junseok Ahn +6

The goal of this work is to simultaneously generate natural talking faces and speech outputs from text. We achieve this by integrating Talking Face Generation (TFG) and Text-to-Spe…

eess.AS2024

FreGrad: Lightweight and Fast Frequency-aware Diffusion Vocoder

Tan Dat Nguyen, Ji-Hoon Kim, Youngjoon Jang +2

The goal of this paper is to generate realistic audio with a lightweight and fast diffusion-based vocoder, named FreGrad. Our framework consists of the following three key componen…

eess.AS2023★ 1 cited

Seeing Through the Conversation: Audio-Visual Speech Separation based on Diffusion Model

Suyeon Lee, Chaeyoung Jung, Youngjoon Jang +2

The objective of this work is to extract target speaker's voice from a mixture of voices using visual cues. Existing works on audio-visual speech separation have demonstrated their…

cs.CV2023★ 1 cited

TalkNCE: Improving Active Speaker Detection with Talk-Aware Contrastive Learning

Chaeyoung Jung, Suyeon Lee, Kihyun Nam +4

The goal of this work is Active Speaker Detection (ASD), a task to determine whether a person is speaking or not in a series of video frames. Previous works have dealt with the tas…

cs.CV2023★ 2 cited

SlowFast Network for Continuous Sign Language Recognition

Junseok Ahn, Youngjoon Jang, Joon Son Chung

The objective of this work is the effective extraction of spatial and dynamic features for Continuous Sign Language Recognition (CSLR). To accomplish this, we utilise a two-pathway…

cs.CV2023

That's What I Said: Fully-Controllable Talking Face Generation

Youngjoon Jang, Kyeongha Rho, Jong-Bin Woo +5

The goal of this paper is to synthesise talking faces with controllable facial motions. To achieve this goal, we propose two key ideas. The first is to establish a canonical space…

cs.CV2023★ 1 cited

Self-Sufficient Framework for Continuous Sign Language Recognition

Youngjoon Jang, Youngtaek Oh, Jae Won Cho +4

The goal of this work is to develop self-sufficient framework for Continuous Sign Language Recognition (CSLR) that addresses key issues of sign language recognition. These include…

cs.CV2022★ 6 cited

Signing Outside the Studio: Benchmarking Background Robustness for Continuous Sign Language Recognition

Youngjoon Jang, Youngtaek Oh, Jae Won Cho +3

The goal of this work is background-robust continuous sign language recognition. Most existing Continuous Sign Language Recognition (CSLR) benchmarks have fixed backgrounds and are…