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Image-to-image translation is an important and challenging problem in computer vision and image processing. Diffusion models (DM) have shown great potentials for high-quality image synthesis, and have gained competitive performance on the…

计算机视觉与模式识别 · 计算机科学 2023-03-24 Bo Li , Kaitao Xue , Bin Liu , Yu-Kun Lai

Denoising diffusion probabilistic models (DDPMs) are a recent family of generative models that achieve state-of-the-art results. In order to obtain class-conditional generation, it was suggested to guide the diffusion process by gradients…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Bahjat Kawar , Roy Ganz , Michael Elad

The integration of Diffusion Models into Intelligent Transportation Systems (ITS) is a substantial improvement in the detection of accidents. We present a novel hybrid model integrating guidance classification with diffusion techniques. By…

计算机视觉与模式识别 · 计算机科学 2025-10-07 Siva Sai , Saksham Gupta , Vinay Chamola , Rajkumar Buyya

Recently, conditional diffusion models have gained popularity in numerous applications due to their exceptional generation ability. However, many existing methods are training-required. They need to train a time-dependent classifier or a…

计算机视觉与模式识别 · 计算机科学 2023-03-20 Jiwen Yu , Yinhuai Wang , Chen Zhao , Bernard Ghanem , Jian Zhang

Acting in human environments is a crucial capability for general-purpose robots, necessitating a robust understanding of natural language and its application to physical tasks. This paper seeks to harness the capabilities of diffusion…

机器人学 · 计算机科学 2026-04-28 Jonas Bode , Raphael Memmesheimer , Sven Behnke

With the great success of diffusion models (DMs) in generating realistic synthetic vision data, many researchers have investigated their potential in decision-making and control. Most of these works utilized DMs to sample directly from the…

机器学习 · 计算机科学 2026-05-19 Hanye Zhao , Xiaoshen Han , Zhengbang Zhu , Minghuan Liu , Yong Yu , De-Chuan Zhan , Weinan Zhang

Image fusion aims to blend complementary information from multiple sensing modalities, yet existing approaches remain limited in robustness, adaptability, and controllability. Most current fusion networks are tailored to specific tasks and…

计算机视觉与模式识别 · 计算机科学 2025-12-09 Jiayang Li , Chengjie Jiang , Junjun Jiang , Pengwei Liang , Jiayi Ma , Liqiang Nie

Diffusion transformers have demonstrated remarkable generation quality, albeit requiring longer training iterations and numerous inference steps. In each denoising step, diffusion transformers encode the noisy inputs to extract the…

计算机视觉与模式识别 · 计算机科学 2025-04-10 Shuai Wang , Zhi Tian , Weilin Huang , Limin Wang

Recently, diffusion transformers have gained wide attention with its excellent performance in text-to-image and text-to-vidoe models, emphasizing the need for transformers as backbone for diffusion models. Transformer-based models have…

计算机视觉与模式识别 · 计算机科学 2024-04-16 Nithin Gopalakrishnan Nair , Jeya Maria Jose Valanarasu , Vishal M. Patel

Comorbid diseases co-occur and progress via complex temporal patterns that vary among individuals. In electronic health records we can observe the different diseases a patient has, but can only infer the temporal relationship between each…

机器学习 · 计算机科学 2020-01-22 Zhaozhi Qian , Ahmed M. Alaa , Alexis Bellot , Jem Rashbass , Mihaela van der Schaar

Forecasting faithful trajectories of multivariate time series from practical scopes is essential for reasonable decision-making. Recent methods majorly tailor generative conditional diffusion models to estimate the target temporal…

机器学习 · 计算机科学 2024-10-04 Siyang Li , Yize Chen , Hui Xiong

Despite its success in image synthesis, we observe that diffusion probabilistic models (DPMs) often lack contextual reasoning ability to learn the relations among object parts in an image, leading to a slow learning process. To solve this…

计算机视觉与模式识别 · 计算机科学 2024-02-22 Shanghua Gao , Pan Zhou , Ming-Ming Cheng , Shuicheng Yan

Diffusion Policy has shown great performance in robotic manipulation tasks under stochastic perturbations, due to its ability to model multimodal action distributions. Nonetheless, its reliance on a computationally expensive reverse-time…

机器人学 · 计算机科学 2025-11-20 Gabriel Lauzier , Alexandre Girard , François Ferland

Transfer reinforcement learning aims to improve the sample efficiency of solving unseen new tasks by leveraging experiences obtained from previous tasks. We consider the setting where all tasks (MDPs) share the same environment dynamic…

机器学习 · 计算机科学 2021-01-08 Kaige Yang

Diffusion models have demonstrated remarkable efficacy in various generative tasks with the predictive prowess of denoising model. Currently, diffusion models employ a uniform denoising model across all timesteps. However, the inherent…

机器学习 · 计算机科学 2024-12-30 Wenhao Li , Xiu Su , Yu Han , Shan You , Tao Huang , Chang Xu

Due to network operation and maintenance relying heavily on network traffic monitoring, traffic matrix analysis has been one of the most crucial issues for network management related tasks. However, it is challenging to reliably obtain the…

网络与互联网体系结构 · 计算机科学 2024-12-02 Xinyu Yuan , Yan Qiao , Zhenchun Wei , Zeyu Zhang , Minyue Li , Pei Zhao , Rongyao Hu , Wenjing Li

World models have recently gained prominence for action-conditioned visual prediction in complex environments. However, relying on only a few recent observations causes them to lose long-term context. Consequently, within a few steps, the…

计算机视觉与模式识别 · 计算机科学 2025-11-03 Nedko Savov , Naser Kazemi , Deheng Zhang , Danda Pani Paudel , Xi Wang , Luc Van Gool

Magnetic resonance imaging (MRI) is a vital diagnostic tool, but its inherently long acquisition times reduce clinical efficiency and patient comfort. Recent advancements in deep learning, particularly diffusion models, have improved…

图像与视频处理 · 电气工程与系统科学 2026-04-28 Yuxuan Zhang , Jinkui Hao , Bo Zhou

Striking a balance between efficiency and transparent motion is a core challenge in human-robot collaboration, as highly expressive movements often incur unnecessary time and energy costs. In collaborative environments, legibility allows a…

机器人学 · 计算机科学 2026-05-07 Adrien Jacquet Crétides , Mouad Abrini , Hamed Rahimi , Mohamed Chetouani

We introduce Diffusion Active Learning, a novel approach that combines generative diffusion modeling with data-driven sequential experimental design to adaptively acquire data for inverse problems. Although broadly applicable, we focus on…

机器学习 · 计算机科学 2025-04-07 Luis Barba , Johannes Kirschner , Tomas Aidukas , Manuel Guizar-Sicairos , Benjamín Béjar