Author

Dong-Jin Kim

2 papers indexed here

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Preprint Oct 2026

Beyond Pairwise Repulsion: Collective Diversity via Determinant Maximization in Diffusion Sampling

Strong guidance in text-to-image (T2I) diffusion models concentrates sampling toward high-density modes of the conditional distribution, collapsing independently sampled noise vectors onto nearly identical visual prototypes. This limits utility for tasks that demand distributional breadth, most critically synthetic dat...

Kwanyoung Lee, SeungJu Cha, Yebin Ahn et al. · 0 citations

#artificial intelligence Preprint Sep 2026

Phonemizing User-Generated Text: A Benchmark, Taxonomy, and Compositional Approach

Text-to-speech systems increasingly process user-generated text (UGT) such as ppl and imo, whose pronunciation must be inferred from the canonical rather than surface form. We introduce UGTPhon, the first grapheme-to-phoneme (G2P) benchmark for UGT in English, Vietnamese, and Korean, together with an inference-grounded...

Minju Jeon, Youngha Park, Han Sung Park et al. · 0 citations