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Keon Lee

6 accepted papers

2026

Orak: A Foundational Benchmark for Training and Evaluating LLM Agents on Diverse Video Games

ICLR 2026poster

Large Language Model (LLM) agents are reshaping the game industry, by enabling more intelligent and human-preferable characters. Yet, current game benchmarks fall short of practical needs: they lack evaluations of diverse LLM capabilities across various game genres, studies of agentic modules crucia…

Cited by 0SourceScholar
2025

DiTTo-TTS: Diffusion Transformers for Scalable Text-to-Speech without Domain-Specific Factors

ICLR 2025poster

Large-scale latent diffusion models (LDMs) excel in content generation across various modalities, but their reliance on phonemes and durations in text-to-speech (TTS) limits scalability and access from other fields. While recent studies show potential in removing these domain-specific factors, perfo…

2025

Efficient Generative Modeling with Residual Vector Quantization-Based Tokens

ICML 2025poster

We introduce ResGen, an efficient Residual Vector Quantization (RVQ)-based generative model for high-fidelity generation with fast sampling. RVQ improves data fidelity by increasing the number of quantization steps, referred to as depth, but deeper quantization typically increases inference steps in…

Cited by 0SourcePDFScholar
2024

CLaM-TTS: Improving Neural Codec Language Model for Zero-Shot Text-to-Speech

ICLR 2024poster

With the emergence of neural audio codecs, which encode multiple streams of discrete tokens from audio, large language models have recently gained attention as a promising approach for zero-shot Text-to-Speech (TTS) synthesis. Despite the ongoing rush towards scaling paradigms, audio tokenization ir…

Cited by 38SourcePDFScholar
2023

Censored Sampling of Diffusion Models Using 3 Minutes of Human Feedback

NeurIPS 2023poster

Diffusion models have recently shown remarkable success in high-quality image generation. Sometimes, however, a pre-trained diffusion model exhibits partial misalignment in the sense that the model can generate good images, but it sometimes outputs undesirable images. If so, we simply need to preven…