activity
20242026
collaborators

13 papers

cs.CV2026

Preference-Guided Adaptation for Open-Vocabulary Semantic Segmentation via Prompt Disagreement

Hyun-Kurl Jang, Jihun Kim, Kuk-Jin Yoon

Open-vocabulary semantic segmentation (OVSS) enables pixel-level prediction over arbitrary text-specified vocabularies and has shown strong generalization on common benchmarks. How…

cs.CV2026

Bootstrapping a 4D LiDAR Annotation Tool from Video Foundation Models

Jihun Kim, Hyun-Kurl Jang, Hyemin Yang +3

Progress in 4D LiDAR segmentation is bottlenecked by data. Assigning temporally consistent labels across sparse point cloud sequences is costly and hard to scale, and every new tas…

cs.CV2026

Distill Once, Adapt Life-Long: Exploring Dataset Distillation for Continual Test-Time Adaptation

Hyun-Kurl Jang, Jihun Kim, Hyeokjun Kweon +1

Continual Test-Time Adaptation (CTTA) aims to maintain model performance under evolving target domains by adapting online without labeled data. However, practical deployments often…

cs.CV2026

FrozenDrive: Zero-Shot Text-Guided Driving Scene Generation and Data Augmentation with Parameter-Free Frozen Diffusion Model

Yuhwan Jeong, Hyeonseong Kim, Daehyun We +5

Synthetic data for autonomous driving is surging, powered by diffusion models that promise scalable scene generation. Yet key obstacles remain, as enforcing multi-view and temporal…

cs.CV2026

Bootstrapping Video Semantic Segmentation Model via Distillation-assisted Test-Time Adaptation

Jihun Kim, Hoyong Kwon, Hyeokjun Kweon +1

Fully supervised Video Semantic Segmentation (VSS) relies heavily on densely annotated video data, limiting practical applicability. Alternatively, applying pre-trained Image Seman…

cs.CV2026

Label-Free Cross-Task LoRA Merging with Null-Space Compression

Wonyoung Lee, Wooseong Jeong, Kuk-Jin Yoon

Model merging combines independently fine-tuned checkpoints without joint multi-task training. In the era of foundation-model, fine-tuning with Low-Rank Adaptation (LoRA) is preval…

cs.CV2026

Preference-Aligned LoRA Merging: Preserving Subspace Coverage and Addressing Directional Anisotropy

Wooseong Jeong, Wonyoung Lee, Kuk-Jin Yoon

Merging multiple Low-Rank Adaptation (LoRA) modules is promising for constructing general-purpose systems, yet challenging because LoRA update directions span different subspaces a…

cs.LG2025

Synchronizing Task Behavior: Aligning Multiple Tasks during Test-Time Training

Wooseong Jeong, Jegyeong Cho, Youngho Yoon +1

Generalizing neural networks to unseen target domains is a significant challenge in real-world deployments. Test-time training (TTT) addresses this by using an auxiliary self-super…

cs.LG2025

Resolving Token-Space Gradient Conflicts: Token Space Manipulation for Transformer-Based Multi-Task Learning

Wooseong Jeong, Kuk-Jin Yoon

Multi-Task Learning (MTL) enables multiple tasks to be learned within a shared network, but differences in objectives across tasks can cause negative transfer, where the learning o…

cs.CV2025

DC-TTA: Divide-and-Conquer Framework for Test-Time Adaptation of Interactive Segmentation

Jihun Kim, Hoyong Kwon, Hyeokjun Kweon +2

Interactive segmentation (IS) allows users to iteratively refine object boundaries with minimal cues, such as positive and negative clicks. While the Segment Anything Model (SAM) h…

cs.LG2025

Selective Task Group Updates for Multi-Task Optimization

Wooseong Jeong, Kuk-Jin Yoon

Multi-task learning enables the acquisition of task-generic knowledge by training multiple tasks within a unified architecture. However, training all tasks together in a single arc…

cs.CV2024

TALoS: Enhancing Semantic Scene Completion via Test-time Adaptation on the Line of Sight

Hyun-Kurl Jang, Jihun Kim, Hyeokjun Kweon +1

Semantic Scene Completion (SSC) aims to perform geometric completion and semantic segmentation simultaneously. Despite the promising results achieved by existing studies, the inher…

cs.CV2024

GMT: Enhancing Generalizable Neural Rendering via Geometry-Driven Multi-Reference Texture Transfer

Youngho Yoon, Hyun-Kurl Jang, Kuk-Jin Yoon

Novel view synthesis (NVS) aims to generate images at arbitrary viewpoints using multi-view images, and recent insights from neural radiance fields (NeRF) have contributed to remar…