activity
20232026
most citedPixArt-: Fast Training of Diffusion Transformer for Photorealistic Text-to-Image Synthesis

8 citations · 19 across the 16 of their papers we have counts for

collaborators

17 papers

cs.CV2026

Sol-Attn: Accelerating Video Generation Inference via On-the-Fly Attention Sparsification

Haopeng Li, Yitong Li, Junsong Chen +8

Diffusion transformers are essential for high-fidelity video generation, but long token sequences make attention a dominant inference bottleneck. Training-free dynamic sparse atten…

cs.CV2026

SANA-Video 2.0: Hybrid Linear Attention with Attention Residuals for Efficient Video Generation

Junsong Chen, Jincheng Yu, Yitong Li +11

We introduce SANA-Video 2.0, a hybrid video diffusion transformer instantiated at 5B and 14B scales under a unified architecture. Designed to generate high-quality video up to 720p…

cs.CV2026

SANA-Streaming: Real-time Streaming Video Editing with Hybrid Diffusion Transformer

Yuyang Zhao, Yicheng Pan, Qiyuan He +6

Real-time streaming video-to-video editing (V2V) is critical for interactive applications such as live broadcasting and gaming, yet it remains a formidable challenge due to the str…

cs.CV2026

SANA-WM: Efficient Minute-Scale World Modeling with Hybrid Linear Diffusion Transformer

Haoyi Zhu, Haozhe Liu, Yuyang Zhao +6

We introduce SANA-WM, an efficient 2.6B-parameter open-source world model natively trained for one-minute generation, synthesizing high-fidelity, 720p, minute-scale videos with pre…

cs.LG2026

FP4 Explore, BF16 Train: Diffusion Reinforcement Learning via Efficient Rollout Scaling

Yitong Li, Junsong Chen, Shuchen Xue +8

Reinforcement-Learning-based post-training has recently emerged as a promising paradigm for aligning text-to-image diffusion models with human preferences. In recent studies, incre…

cs.CV2026

MHLA: Restoring Expressivity of Linear Attention via Token-Level Multi-Head

Kewei Zhang, Ye Huang, Yufan Deng +5

While the Transformer architecture dominates many fields, its quadratic self-attention complexity hinders its use in large-scale applications. Linear attention offers an efficient…

cs.CV2025

SANA-Video: Efficient Video Generation with Block Linear Diffusion Transformer

Junsong Chen, Yuyang Zhao, Jincheng Yu +17

We introduce SANA-Video, a small diffusion model that can efficiently generate videos up to 720x1280 resolution and minute-length duration. SANA-Video synthesizes high-resolution,…

cs.GR2025

SANA-Sprint: One-Step Diffusion with Continuous-Time Consistency Distillation

Junsong Chen, Shuchen Xue, Yuyang Zhao +6

This paper presents SANA-Sprint, an efficient diffusion model for ultra-fast text-to-image (T2I) generation. SANA-Sprint is built on a pre-trained foundation model and augmented wi…

cs.CV2025★ 1 cited

SANA 1.5: Efficient Scaling of Training-Time and Inference-Time Compute in Linear Diffusion Transformer

Enze Xie, Junsong Chen, Yuyang Zhao +11

This paper presents SANA-1.5, a linear Diffusion Transformer for efficient scaling in text-to-image generation. Building upon SANA-1.0, we introduce three key innovations: (1) Effi…

cs.CV2024★ 1 cited

Lumina-T2X: Transforming Text into Any Modality, Resolution, and Duration via Flow-based Large Diffusion Transformers

Peng Gao, Le Zhuo, Dongyang Liu +17

Sora unveils the potential of scaling Diffusion Transformer for generating photorealistic images and videos at arbitrary resolutions, aspect ratios, and durations, yet it still lac…

cs.CV2024

PixArt-Σ: Weak-to-Strong Training of Diffusion Transformer for 4K Text-to-Image Generation

Junsong Chen, Chongjian Ge, Enze Xie +7

In this paper, we introduce PixArt-Σ, a Diffusion Transformer model~(DiT) capable of directly generating images at 4K resolution. PixArt-Σrepresents a significant advancement over…

cs.AI2024★ 3 cited

A Survey of Reasoning with Foundation Models

Jiankai Sun, Chuanyang Zheng, Enze Xie +31

Reasoning, a crucial ability for complex problem-solving, plays a pivotal role in various real-world settings such as negotiation, medical diagnosis, and criminal investigation. It…

cs.CV2024★ 1 cited

PIXART-δ: Fast and Controllable Image Generation with Latent Consistency Models

Junsong Chen, Yue Wu, Simian Luo +5

This technical report introduces PIXART-δ, a text-to-image synthesis framework that integrates the Latent Consistency Model (LCM) and ControlNet into the advanced PIXART-α model. P…

cs.CV2023

Fast Training of Diffusion Transformer with Extreme Masking for 3D Point Clouds Generation

Shentong Mo, Enze Xie, Yue Wu +3

Diffusion Transformers have recently shown remarkable effectiveness in generating high-quality 3D point clouds. However, training voxel-based diffusion models for high-resolution 3…

cs.CV2023★ 8 cited

PixArt-: Fast Training of Diffusion Transformer for Photorealistic Text-to-Image Synthesis

Junsong Chen, Jincheng Yu, Chongjian Ge +8

The most advanced text-to-image (T2I) models require significant training costs (e.g., millions of GPU hours), seriously hindering the fundamental innovation for the AIGC community…

cs.CV2023★ 2 cited

MetaBEV: Solving Sensor Failures for BEV Detection and Map Segmentation

Chongjian Ge, Junsong Chen, Enze Xie +5

Perception systems in modern autonomous driving vehicles typically take inputs from complementary multi-modal sensors, e.g., LiDAR and cameras. However, in real-world applications,…

cs.CV2023★ 3 cited

DeepAccident: A Motion and Accident Prediction Benchmark for V2X Autonomous Driving

Tianqi Wang, Sukmin Kim, Wenxuan Ji +5

Safety is the primary priority of autonomous driving. Nevertheless, no published dataset currently supports the direct and explainable safety evaluation for autonomous driving. In…