activity
20242026
collaborators

13 papers

cs.CV2026

ReSS: Residual-Restoring Sparse Attention for 3D Vision Transformers

Yongsung Kim, Jaehoon Lee, Minjun Park +3

3D vision transformers such as VGGT predict camera poses and scene geometry from multi-view images in a single forward pass, but their global attention over all concatenated view t…

cs.CV2026

FoMo: Forking Moment in Generative Trajectory as a Perceptual Distance

Jaihyun Lew, Mingi Jung, Minjun Park +2

Reference-based image quality assessment (IQA) metrics aim to reflect how humans perceive the perceptual distance between a pair of images. To learn how the human visual system (HV…

cs.CL2026

NaturalFlow: Reducing Disruptive Pauses for Natural Speech Flow in Simultaneous Speech-to-Speech Translation

Dongwook Lee, Youngho Cho, Sangkwon Park +2

Simultaneous speech-to-speech translation aims to enable near-real-time communication by minimizing latency, offering a compelling, real-time alternative to the high latency of con…

cs.LG2026

Rollout-Level Advantage-Prioritized Experience Replay for GRPO

Gyeongtae Yoo, Sanghyeok Park, Soohyuk Jang +2

Reinforcement learning from verifiable rewards with GRPO is a standard approach for post-training reasoning LLMs. It remains sample inefficient. Each rollout is used for a single g…

cs.CV2026

HeSS: Head Sensitivity Score for Sparsity Redistribution in VGGT

Yongsung Kim, Wooseok Song, Jaihyun Lew +3

Visual Geometry Grounded Transformer (VGGT) has advanced 3D vision, yet its global attention layers suffer from quadratic computational costs that hinder scalability. Several spars…

cs.CV2026

Balancing Saliency and Coverage: Semantic Prominence-Aware Budgeting for Visual Token Compression in VLMs

Jaehoon Lee, Mingi Jung, Soohyuk Jang +3

Large Vision-Language Models (VLMs) achieve strong multimodal understanding capabilities by leveraging high-resolution visual inputs, but the resulting large number of visual token…

cs.CV2025

SAVE: Sparse Autoencoder-Driven Visual Information Enhancement for Mitigating Object Hallucination

Sangha Park, Seungryong Yoo, Jisoo Mok +1

Although Multimodal Large Language Models (MLLMs) have advanced substantially, they remain vulnerable to object hallucination caused by language priors and visual information loss.…

cs.CV2025

Guiding What Not to Generate: Automated Negative Prompting for Text-Image Alignment

Sangha Park, Eunji Kim, Yeongtak Oh +2

Despite substantial progress in text-to-image generation, achieving precise text-image alignment remains challenging, particularly for prompts with rich compositional structure or…

cs.CV2025

DefectFill: Realistic Defect Generation with Inpainting Diffusion Model for Visual Inspection

Jaewoo Song, Daemin Park, Kanghyun Baek +4

Developing effective visual inspection models remains challenging due to the scarcity of defect data. While image generation models have been used to synthesize defect images, prod…

cs.CV2025

Visual Attention Never Fades: Selective Progressive Attention ReCalibration for Detailed Image Captioning in Multimodal Large Language Models

Mingi Jung, Saehyung Lee, Eunji Kim +1

Detailed image captioning is essential for tasks like data generation and aiding visually impaired individuals. High-quality captions require a balance between precision and recall…

cs.CV2024

Superpixel Tokenization for Vision Transformers: Preserving Semantic Integrity in Visual Tokens

Jaihyun Lew, Soohyuk Jang, Jaehoon Lee +6

Transformers, a groundbreaking architecture proposed for Natural Language Processing (NLP), have also achieved remarkable success in Computer Vision. A cornerstone of their success…

cs.CL2024

Interpretable Next-token Prediction via the Generalized Induction Head

Eunji Kim, Sriya Mantena, Weiwei Yang +3

While large transformer models excel in predictive performance, their lack of interpretability restricts their usefulness in high-stakes domains. To remedy this, we propose the Gen…

cs.LG2024

Semantic Token Reweighting for Interpretable and Controllable Text Embeddings in CLIP

Eunji Kim, Kyuhong Shim, Simyung Chang +1

A text encoder within Vision-Language Models (VLMs) like CLIP plays a crucial role in translating textual input into an embedding space shared with images, thereby facilitating the…