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Recently, diffusion-based generative models have demonstrated remarkable performance in speech enhancement tasks. However, these methods still encounter challenges, including the lack of structural information and poor performance in low…

音频与语音处理 · 电气工程与系统科学 2024-09-16 Siyi Wang , Siyi Liu , Andrew Harper , Paul Kendrick , Mathieu Salzmann , Milos Cernak

Downscaling, or super-resolution, provides decision-makers with detailed, high-resolution information about the potential risks and impacts of climate change, based on climate model output. Machine learning algorithms are proving themselves…

大气与海洋物理 · 物理学 2024-04-30 Robbie A. Watt , Laura A. Mansfield

This paper investigates energy guidance in generative modeling, where the target distribution is defined as $q(\mathbf x) \propto p(\mathbf x)\exp(-\beta \mathcal E(\mathbf x))$, with $p(\mathbf x)$ being the data distribution and $\mathcal…

机器学习 · 计算机科学 2025-03-10 Shiyuan Zhang , Weitong Zhang , Quanquan Gu

Diffusion models have demonstrated their capabilities in modeling trajectories of multi-tasks. However, existing multi-task planners or policies typically rely on task-specific demonstrations via multi-task imitation, or require…

机器学习 · 计算机科学 2025-07-15 Chenyou Fan , Chenjia Bai , Zhao Shan , Haoran He , Yang Zhang , Zhen Wang

Autonomous agents often require multiple strategies to solve complex tasks, but determining when to switch between strategies remains challenging. This research introduces a reinforcement learning technique to learn switching thresholds…

机器学习 · 计算机科学 2025-12-09 Chris Tava

Diffusion models have achieved remarkable success in generative tasks but suffer from high computational costs due to their iterative sampling process and quadratic attention costs. Existing training-free acceleration strategies that reduce…

机器学习 · 计算机科学 2025-07-24 Ting Jiang , Yixiao Wang , Hancheng Ye , Zishan Shao , Jingwei Sun , Jingyang Zhang , Zekai Chen , Jianyi Zhang , Yiran Chen , Hai Li

We propose DiffusionRollout, a novel selective rollout planning strategy for autoregressive diffusion models, aimed at mitigating error accumulation in long-horizon predictions of physical systems governed by partial differential equations…

人工智能 · 计算机科学 2026-02-17 Seungwoo Yoo , Juil Koo , Daehyeon Choi , Minhyuk Sung

Predictive power allocation is conceived for energy-efficient video streaming over mobile networks using deep reinforcement learning. The goal is to minimize the accumulated energy consumption of each base station over a complete video…

机器学习 · 计算机科学 2020-11-06 Dong Liu , Jianyu Zhao , Chenyang Yang , Lajos Hanzo

We introduce PACE, a backpropagation-free continual test-time adaptation system that directly optimizes the affine parameters of normalization layers. Existing derivative-free approaches struggle to balance runtime efficiency with learning…

机器学习 · 计算机科学 2026-03-31 Damian Sójka , Sebastian Cygert , Marc Masana

Sparse Autoencoders (SAEs) have emerged as a promising approach for interpreting neural network representations by learning sparse, human-interpretable features from dense activations. We investigate whether incorporating variational…

机器学习 · 计算机科学 2025-10-03 Zachary Baker , Yuxiao Li

In this paper, we address the performance degradation of efficient diffusion models by introducing Multi-architecturE Multi-Expert diffusion models (MEME). We identify the need for tailored operations at different time-steps in diffusion…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Yunsung Lee , Jin-Young Kim , Hyojun Go , Myeongho Jeong , Shinhyeok Oh , Seungtaek Choi

Robotic manipulation in unstructured environments requires the generation of robust and long-horizon trajectory-level policy with conditions of perceptual observations and benefits from the advantages of SE(3)-equivariant diffusion models…

机器人学 · 计算机科学 2025-09-30 Zhitao Wang , Yanke Wang , Jiangtao Wen , Roberto Horowitz , Yuxing Han

Denoising diffusion models (DDMs) have attracted attention for their exceptional generation quality and diversity. This success is largely attributed to the use of class- or text-conditional diffusion guidance methods, such as classifier…

计算机视觉与模式识别 · 计算机科学 2023-08-25 Susung Hong , Gyuseong Lee , Wooseok Jang , Seungryong Kim

Real-world data collection for embodied agents remains costly and unsafe, calling for scalable, realistic, and simulator-ready 3D environments. However, existing scene-generation systems often rely on rule-based or task-specific pipelines,…

计算机视觉与模式识别 · 计算机科学 2026-02-24 Hongchi Xia , Xuan Li , Zhaoshuo Li , Qianli Ma , Jiashu Xu , Ming-Yu Liu , Yin Cui , Tsung-Yi Lin , Wei-Chiu Ma , Shenlong Wang , Shuran Song , Fangyin Wei

Convective available potential energy (CAPE) is an important variable for forecasting severe weather and understanding deep convection and precipitation. The latest versions of the Global Forecast System (GFS) and related Global Ensemble…

大气与海洋物理 · 物理学 2026-05-26 Zachary James , Joseph Guinness , Arthur DeGaetano

Text-to-image diffusion models generate images through an iterative denoising process, so internal neural layers produce trajectories of activations rather than single static representations. Sparse autoencoders (SAEs) have recently been…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Calvin Yeung , Prathyush Poduval , Ali Zakeri , Zhuowen Zou , Mohsen Imani

We introduce a novel deep learning approach that harnesses the power of generative artificial intelligence to enhance the accuracy of contextual forecasting in sewerage systems. By developing a diffusion-based model that processes…

机器学习 · 计算机科学 2025-06-11 Nicholas A. Pearson , Francesca Cairoli , Luca Bortolussi , Davide Russo , Francesca Zanello

Reinforcement learning is essential for neural architecture search and hyperparameter optimization, but the conventional approaches impede widespread use due to prohibitive time and computational costs. Inspired by DeepSeek-V3 multi-token…

机器学习 · 计算机科学 2025-06-19 Zheng Li , Jerry Cheng , Huanying Helen Gu

Diffusion models have recently shown significant potential in solving decision-making problems, particularly in generating behavior plans -- also known as diffusion planning. While numerous studies have demonstrated the impressive…

机器学习 · 计算机科学 2025-03-04 Haofei Lu , Dongqi Han , Yifei Shen , Dongsheng Li

Edge detection is typically viewed as a pixel-level classification problem mainly addressed by discriminative methods. Recently, generative edge detection methods, especially diffusion model based solutions, are initialized in the edge…

计算机视觉与模式识别 · 计算机科学 2024-10-07 Caixia Zhou , Yaping Huang , Mochu Xiang , Jiahui Ren , Haibin Ling , Jing Zhang