activity
20222025
most citedEmpowering Diffusion Models on the Embedding Space for Text Generation

12 citations · 15 across the 8 of their papers we have counts for

collaborators

9 papers

cs.CV2025

Heptapod: Language Modeling on Visual Signals

Yongxin Zhu, Jiawei Chen, Yuanzhe Chen +6

We introduce Heptapod, an image autoregressive model that adheres to the foundational principles of language modeling. Heptapod employs \textbf{causal attention}, \textbf{eliminate…

cs.LG2024

Addressing Representation Collapse in Vector Quantized Models with One Linear Layer

Yongxin Zhu, Bocheng Li, Yifei Xin +2

Vector Quantization (VQ) is essential for discretizing continuous representations in unsupervised learning but suffers from representation collapse, causing low codebook utilizatio…

cs.CL2024

Talk With Human-like Agents: Empathetic Dialogue Through Perceptible Acoustic Reception and Reaction

Haoqiu Yan, Yongxin Zhu, Kai Zheng +4

Large Language Model (LLM)-enhanced agents become increasingly prevalent in Human-AI communication, offering vast potential from entertainment to professional domains. However, cur…

cs.CL2024

Generative Pre-trained Speech Language Model with Efficient Hierarchical Transformer

Yongxin Zhu, Dan Su, Liqiang He +2

While recent advancements in speech language models have achieved significant progress, they face remarkable challenges in modeling the long acoustic sequences of neural audio code…

cs.CL2024

SDSAT: Accelerating LLM Inference through Speculative Decoding with Semantic Adaptive Tokens

Chengbo Liu, Yong Zhu

We propose an acceleration scheme for large language models (LLMs) through Speculative Decoding with Semantic Adaptive Tokens (SDSAT). The primary objective of this design is to en…

cs.CL2023

DiffS2UT: A Semantic Preserving Diffusion Model for Textless Direct Speech-to-Speech Translation

Yongxin Zhu, Zhujin Gao, Xinyuan Zhou +2

While Diffusion Generative Models have achieved great success on image generation tasks, how to efficiently and effectively incorporate them into speech generation especially trans…