activity
20242026
collaborators

7 papers

cs.CL2026

Solar Open 2 Technical Report

Sungrae Park, Sanghoon Kim, Gyoungjin Gim +50

We present Solar Open 2, a 250B-A15B Mixture-of-Experts language model built for long-horizon agentic tasks, scaled up from Solar Open 1 (Solar Open 100B). To hold entire agent tra…

cs.CV2026

Diagnosing and Correcting Concept Omission in Multimodal Diffusion Transformers

Kanghyun Baek, Jaihyun Lew, Chaehun Shin +2

Multimodal Diffusion Transformers (MM-DiTs) have achieved remarkable progress in text-to-image generation, yet they frequently suffer from concept omission, where specified objects…

cs.CV2025

TextGuider: Training-Free Guidance for Text Rendering via Attention Alignment

Kanghyun Baek, Sangyub Lee, Jin Young Choi +6

Despite recent advances, diffusion-based text-to-image models still struggle with accurate text rendering. Several studies have proposed fine-tuning or training-free refinement met…

cs.CV2025

Negative-Guided Subject Fidelity Optimization for Zero-Shot Subject-Driven Generation

Chaehun Shin, Jooyoung Choi, Johan Barthelemy +2

We present Subject Fidelity Optimization (SFO), a novel comparative learning framework for zero-shot subject-driven generation that enhances subject fidelity. Existing supervised f…

cs.CV2025

Large-Scale Text-to-Image Model with Inpainting is a Zero-Shot Subject-Driven Image Generator

Chaehun Shin, Jooyoung Choi, Heeseung Kim +1

Subject-driven text-to-image generation aims to produce images of a new subject within a desired context by accurately capturing both the visual characteristics of the subject and…

cs.CV2025

Style-Friendly SNR Sampler for Style-Driven Generation

Jooyoung Choi, Chaehun Shin, Yeongtak Oh +3

Recent text-to-image diffusion models generate high-quality images but struggle to learn new, personalized styles, which limits the creation of unique style templates. In style-dri…