collaborators

7 papers

cs.CV2025

Image Tokenizer Needs Post-Training

Kai Qiu, Xiang Li, Hao Chen +7

Recent image generative models typically capture the image distribution in a pre-constructed latent space, relying on a frozen image tokenizer. However, there exists a significant…

cs.CV2025

LaViDa: A Large Diffusion Language Model for Multimodal Understanding

Shufan Li, Konstantinos Kallidromitis, Hritik Bansal +7

Modern Vision-Language Models (VLMs) can solve a wide range of tasks requiring visual reasoning. In real-world scenarios, desirable properties for VLMs include fast inference and c…

cs.CV2025

Robust Latent Matters: Boosting Image Generation with Sampling Error Synthesis

Kai Qiu, Xiang Li, Jason Kuen +7

Recent image generation schemes typically capture image distribution in a pre-constructed latent space relying on a frozen image tokenizer. Though the performance of tokenizer play…

cs.CV2024

XQ-GAN: An Open-source Image Tokenization Framework for Autoregressive Generation

Xiang Li, Kai Qiu, Hao Chen +5

Image tokenizers play a critical role in shaping the performance of subsequent generative models. Since the introduction of VQ-GAN, discrete image tokenization has undergone remark…

cs.CV2024

ImageFolder: Autoregressive Image Generation with Folded Tokens

Xiang Li, Kai Qiu, Hao Chen +4

Image tokenizers are crucial for visual generative models, e.g., diffusion models (DMs) and autoregressive (AR) models, as they construct the latent representation for modeling. In…

cs.SD2024

Efficient Autoregressive Audio Modeling via Next-Scale Prediction

Kai Qiu, Xiang Li, Hao Chen +5

Audio generation has achieved remarkable progress with the advance of sophisticated generative models, such as diffusion models (DMs) and autoregressive (AR) models. However, due t…

cs.CV2024

ControlVAR: Exploring Controllable Visual Autoregressive Modeling

Xiang Li, Kai Qiu, Hao Chen +4

Conditional visual generation has witnessed remarkable progress with the advent of diffusion models (DMs), especially in tasks like control-to-image generation. However, challenges…