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Diffusion Models (DMs) have demonstrated state-of-the-art performance in content generation without requiring adversarial training. These models are trained using a two-step process. First, a forward - diffusion - process gradually adds…

Computer Vision and Pattern Recognition · Computer Science 2024-03-13 Anwaar Ulhaq , Naveed Akhtar

Recent Vision-Language-Action (VLA) models have shown impressive flexibility and generalization, yet their deployment in robotic manipulation remains limited by heavy computational overhead and inference latency. In this work, we present…

Computer Vision and Pattern Recognition · Computer Science 2026-04-14 Wencheng Ye , Tianshi Wang , Lei Zhu , Fengling Li , Guoli Yang , Hengtao Shen

Vision-language-action (VLA) models typically rely on large-scale real-world videos, whereas simulated data, despite being inexpensive and highly parallelizable to collect, often suffers from a substantial visual domain gap and limited…

Computer Vision and Pattern Recognition · Computer Science 2026-05-05 Chenyu Hui , Xiaodi Huang , Siyu Xu , Yunke Wang , Shan You , Fei Wang , Tao Huang , Chang Xu

Diffusion models has emerged as a powerful framework for tasks like image controllable generation and dense prediction. However, existing models often struggle to capture underlying semantics (e.g., edges, textures, shapes) and effectively…

Computer Vision and Pattern Recognition · Computer Science 2025-03-07 Zhong Ji , Weilong Cao , Yan Zhang , Yanwei Pang , Jungong Han , Xuelong Li

Deep learning models frequently encounter feature uncertainty in diverse learning scenarios, significantly impacting their performance and reliability. This challenge is particularly complex in multi-modal scenarios, where models must…

Machine Learning · Computer Science 2025-06-05 Jiahao Qin , Bei Peng , Feng Liu , Guangliang Cheng , Lu Zong

Large-scale single-stream pre-training has shown dramatic performance in image-text retrieval. Regrettably, it faces low inference efficiency due to heavy attention layers. Recently, two-stream methods like CLIP and ALIGN with high…

Computer Vision and Pattern Recognition · Computer Science 2022-05-23 Haoyu Lu , Nanyi Fei , Yuqi Huo , Yizhao Gao , Zhiwu Lu , Ji-Rong Wen

Recently, diffusion models have garnered significant interest in the field of text processing due to their many potential advantages compared to conventional autoregressive models. In this work, we propose Diffusion-of-Thought (DoT), a…

Computation and Language · Computer Science 2024-12-06 Jiacheng Ye , Shansan Gong , Liheng Chen , Lin Zheng , Jiahui Gao , Han Shi , Chuan Wu , Xin Jiang , Zhenguo Li , Wei Bi , Lingpeng Kong

Recent advances in diffusion$/$flow-matching policies have enabled imitation learning of complex, multi-modal action trajectories. However, they are computationally expensive because they sample a trajectory of trajectories: a…

Research interest in end-to-end autonomous driving has surged owing to its fully differentiable design integrating modular tasks, i.e. perception, prediction and planing, which enables optimization in pursuit of the ultimate goal. Despite…

Artificial Intelligence · Computer Science 2025-06-04 Anqing Jiang , Yu Gao , Zhigang Sun , Yiru Wang , Jijun Wang , Jinghao Chai , Qian Cao , Yuweng Heng , Hao Jiang , Yunda Dong , Zongzheng Zhang , Xianda Guo , Hao Sun , Hao Zhao

Vision-Language-Action (VLA) models adapt large vision-language backbones to map images and instructions into robot actions. However, prevailing VLAs either generate actions auto-regressively in a fixed left-to-right order or attach…

Computer Vision and Pattern Recognition · Computer Science 2025-12-23 Zhixuan Liang , Yizhuo Li , Tianshuo Yang , Chengyue Wu , Sitong Mao , Tian Nian , Liuao Pei , Shunbo Zhou , Xiaokang Yang , Jiangmiao Pang , Yao Mu , Ping Luo

Vision-language-action (VLA) models have demonstrated exceptional performance in natural language-driven perception and control. However, the high computational cost of VLA models poses significant efficiency challenges, particularly for…

End-to-end autonomous driving systems based on vision-language-action (VLA) models integrate multimodal sensor inputs and language instructions to generate planning and control signals. While autoregressive large language models and…

Robotics · Computer Science 2025-12-17 Mingwang Xu , Jiahao Cui , Feipeng Cai , Hanlin Shang , Zhihao Zhu , Shan Luan , Yifang Xu , Neng Zhang , Yaoyi Li , Jia Cai , Siyu Zhu

Detecting objects from LiDAR point clouds is of tremendous significance in autonomous driving. In spite of good progress, accurate and reliable 3D detection is yet to be achieved due to the sparsity and irregularity of LiDAR point clouds.…

Computer Vision and Pattern Recognition · Computer Science 2022-03-21 Shengheng Deng , Zhihao Liang , Lin Sun , Kui Jia

The goal of Arbitrary Style Transfer (AST) is injecting the artistic features of a style reference into a given image/video. Existing methods usually focus on pursuing the balance between style and content, whereas ignoring the significant…

Computer Vision and Pattern Recognition · Computer Science 2024-01-12 Hanzhang Wang , Haoran Wang , Jinze Yang , Zhongrui Yu , Zeke Xie , Lei Tian , Xinyan Xiao , Junjun Jiang , Xianming Liu , Mingming Sun

Recent advances in image and video creation, especially AI-based image synthesis, have led to the production of numerous visual scenes that exhibit a high level of abstractness and diversity. Consequently, Visual Storytelling (VST), a task…

Computation and Language · Computer Science 2023-12-13 Shengguang Wu , Mei Yuan , Qi Su

Voice conversion is an increasingly popular technology, and the growing number of real-time applications requires models with streaming conversion capabilities. Unlike typical (non-streaming) voice conversion, which can leverage the entire…

Audio and Speech Processing · Electrical Eng. & Systems 2023-06-01 Ziqian Ning , Yuepeng Jiang , Pengcheng Zhu , Jixun Yao , Shuai Wang , Lei Xie , Mengxiao Bi

Learning a generalizable bimanual manipulation policy is extremely challenging for embodied agents due to the large action space and the need for coordinated arm movements. Existing approaches rely on Vision-Language-Action (VLA) models to…

Computer Vision and Pattern Recognition · Computer Science 2025-06-02 Chenyou Fan , Fangzheng Yan , Chenjia Bai , Jiepeng Wang , Chi Zhang , Zhen Wang , Xuelong Li

Unsupervised Domain Adaptation (UDA) is quite challenging due to the large distribution discrepancy between the source domain and the target domain. Inspired by diffusion models which have strong capability to gradually convert data…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Duo Peng , Qiuhong Ke , Yinjie Lei , Jun Liu

Enabling robots to perform diverse tasks across varied environments is a central challenge in robot learning. While vision-language-action (VLA) models have shown promise for generalizable robot skills, realizing their full potential…

Robotics · Computer Science 2025-08-12 Junjie Wen , Yichen Zhu , Jinming Li , Zhibin Tang , Chaomin Shen , Feifei Feng

Diffusion-based video super-resolution (VSR) has recently achieved remarkable fidelity but still suffers from prohibitive sampling costs. While distribution matching distillation (DMD) can accelerate diffusion models toward one-step…

Computer Vision and Pattern Recognition · Computer Science 2026-03-24 Zhengyao Lv , Menghan Xia , Xintao Wang , Kwan-Yee K. Wong