collaborators

5 papers

cs.CV2026

Hear What Matters! Text-conditioned Selective Video-to-Audio Generation

Junwon Lee, Juhan Nam, Jiyoung Lee

This work introduces a new task, text-conditioned selective video-to-audio (V2A) generation, which produces only the user-intended sound from a multi-object video. This capability…

cs.CV2026

Referee: Reference-aware Audiovisual Deepfake Detection

Hyemin Boo, Eunsang Lee, Jiyoung Lee

Deepfakes generated by advanced generative models have rapidly posed serious threats, yet existing audiovisual deepfake detection approaches struggle to generalize to unseen manipu…

eess.AS2026

Erasing Your Voice Before It's Heard: Training-free Speaker Unlearning for Zero-shot Text-to-Speech

Myungjin Lee, Eunji Shin, Jiyoung Lee

Modern zero-shot text-to-speech (TTS) models offer unprecedented expressivity but also pose serious crime risks, as they can synthesize voices of individuals who never consented. I…

cs.CV2025

CountSteer: Steering Attention for Object Counting in Diffusion Models

Hyemin Boo, Hyoryung Kim, Myungjin Lee +4

Text-to-image diffusion models generate realistic and coherent images but often fail to follow numerical instructions in text, revealing a gap between language and visual represent…

cs.SD2025

TwinShift: Benchmarking Audio Deepfake Detection across Synthesizer and Speaker Shifts

Jiyoung Hong, Yoonseo Chung, Seungyeon Oh +4

Audio deepfakes pose a growing threat, already exploited in fraud and misinformation. A key challenge is ensuring detectors remain robust to unseen synthesis methods and diverse sp…