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Kohsei Matsutani

3 accepted papers

2026

MultiBanana: A Challenging Benchmark for Multi-Reference Text-to-Image Generation

CVPR 2026

Recent text-to-image generation models have acquired the ability of multi-reference generation and editing; that is, to inherit the appearance of subjects from multiple reference images and re-render them in new contexts. However, existing benchmark datasets often focus on generation using a single

Cited by 0SourcecodeScholar
2026

RL Squeezes, SFT Expands: A Comparative Study of Reasoning LLMs

ICLR 2026poster

Large language models (LLMs) are typically trained by reinforcement learning (RL) with verifiable rewards (RLVR) and supervised fine-tuning (SFT) on reasoning traces to improve their reasoning abilities. However, how these methods shape reasoning capabilities remains largely elusive. Going beyond an…

Cited by 0SourceScholar
2025

Mixture of Experts Provably Detect and Learn the Latent Cluster Structure in Gradient-Based Learning

ICML 2025poster

Mixture of Experts (MoE), an ensemble of specialized models equipped with a router that dynamically distributes each input to appropriate experts, has achieved successful results in the field of machine learning. However, theoretical understanding of this architecture is falling behind due to its in…

Cited by 0SourcePDFScholar