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20242026
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cs.CV2026

K-Sort Eval: Efficient Preference Evaluation for Visual Generation via Corrected VLM-as-a-Judge

Zhikai Li, Jiatong Li, Xuewen Liu +7

The rapid development of visual generative models raises the need for more scalable and human-aligned evaluation methods. While the crowdsourced Arena platforms offer human prefere…

cs.CV2026

PTQ4ARVG: Post-Training Quantization for AutoRegressive Visual Generation Models

Xuewen Liu, Zhikai Li, Jing Zhang +2

AutoRegressive Visual Generation (ARVG) models retain an architecture compatible with language models, while achieving performance comparable to diffusion-based models. Quantizatio…

cs.CV2025

Rectified SpaAttn: Revisiting Attention Sparsity for Efficient Video Generation

Xuewen Liu, Zhikai Li, Jing Zhang +2

Diffusion Transformers dominate video generation, but the quadratic complexity of attention computation introduces substantial latency. Attention sparsity reduces computational cos…

cs.CV2025

LRQ-DiT: Log-Rotation Post-Training Quantization of Diffusion Transformers for Image and Video Generation

Lianwei Yang, Haokun Lin, Tianchen Zhao +6

Diffusion Transformers (DiTs) have achieved impressive performance in text-to-image and text-to-video generation. However, their high computational cost and large parameter sizes p…

cs.CV2025

CacheQuant: Comprehensively Accelerated Diffusion Models

Xuewen Liu, Zhikai Li, Qingyi Gu

Diffusion models have gradually gained prominence in the field of image synthesis, showcasing remarkable generative capabilities. Nevertheless, the slow inference and complex netwo…

cs.CV2024

Privacy-Preserving SAM Quantization for Efficient Edge Intelligence in Healthcare

Zhikai Li, Jing Zhang, Qingyi Gu

The disparity in healthcare personnel expertise and medical resources across different regions of the world is a pressing social issue. Artificial intelligence technology offers ne…