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While iterative stereo matching achieves high accuracy, its dependence on Recurrent Neural Networks (RNN) hinders edge deployment, a challenge underexplored in existing researches. We analyze iterative refinement and reveal that disparity…

计算机视觉与模式识别 · 计算机科学 2026-02-25 Jintu Zheng , Qizhe Liu , HuangXin Xu , Zhuojie Chen

Diffusion models have garnered significant interest from the community for their great generative ability across various applications. However, their typical multi-step sequential-denoising nature gives rise to high cumulative latency,…

计算机视觉与模式识别 · 计算机科学 2024-09-27 Zigeng Chen , Xinyin Ma , Gongfan Fang , Zhenxiong Tan , Xinchao Wang

The incoherent scatter radar (ISR) technique is a powerful remote sensing tool for ionosphere and thermosphere dynamics in the near-Earth space environment. Weak ISR scatter from naturally occurring Langmuir oscillations, or plasma lines,…

数据分析、统计与概率 · 物理学 2023-12-01 Natalie Hilliard , Juha Vierinen , Philip J. Erickson

Recently, it has been shown that investing computing resources in searching for good initial noise for a text-to-image diffusion model helps improve performance. However, previous studies required external models to evaluate the resulting…

计算机视觉与模式识别 · 计算机科学 2025-06-17 Changhyun Choi , Sungha Kim , H. Jin Kim

Free electrons in the interstellar medium cause frequency-dependent delays in pulse arrival times due to both scattering and dispersion. Multi-frequency measurements are used to estimate and remove dispersion delays. In this paper, we focus…

高能天体物理现象 · 物理学 2015-06-23 M. T. Lam , J. M. Cordes , S. Chatterjee , T. Dolch

Self-supervised learning has become a central strategy for representation learning, but the majority of architectures used for encoding data have only been validated on regularly-sampled inputs such as images, audios. and videos. In many…

机器学习 · 统计学 2025-10-24 Yunyi Shen , Alexander Gagliano

We show that ultrathin metasurfaces with a specific multiresonant response can enable simultaneously arbitrarily-strong and arbitrarily-broadband dispersion compensation, pulse (de-)chirping and compression or broadening. This breakthrough…

光学 · 物理学 2023-04-11 Odysseas Tsilipakos , Thomas Koschny

Discrete optimization is a central problem in artificial intelligence. The optimization of the aggregated cost of a network of cost functions arises in a variety of problems including (W)CSP, DCOP, as well as optimization in stochastic…

人工智能 · 计算机科学 2018-01-12 Ferdinando Fioretto , Enrico Pontelli , William Yeoh , Rina Dechter

Upcoming Fast Radio Burst (FRB) surveys will search $\sim$10\,$^3$ beams on sky with very high duty cycle, generating large numbers of single-pulse candidates. The abundance of false positives presents an intractable problem if candidates…

天体物理仪器与方法 · 物理学 2018-11-28 Liam Connor , Joeri van Leeuwen

Most research on novel techniques for 3D Medical Image Segmentation (MIS) is currently done using Deep Learning with GPU accelerators. The principal challenge of such technique is that a single input can easily cope computing resources, and…

机器学习 · 计算机科学 2021-11-01 Josep Lluis Berral , Oriol Aranda , Juan Luis Dominguez , Jordi Torres

Diffusion Probabilistic Models (DPMs) have achieved great success in image generation but suffer from high inference latency due to their iterative denoising nature. Motivated by the evolving feature dynamics across the denoising…

计算机视觉与模式识别 · 计算机科学 2026-03-23 Haodong He , Yuan Gao , Weizhong Zhang , Gui-Song Xia

Speech separation always faces the challenge of handling prolonged time sequences. Past methods try to reduce sequence lengths and use the Transformer to capture global information. However, due to the quadratic time complexity of the…

音频与语音处理 · 电气工程与系统科学 2025-08-28 Haoxu Wang , Yiheng Jiang , Gang Qiao , Pengteng Shi , Biao Tian

The impressive performance of deep learning architectures is associated with a massive increase in model complexity. Millions of parameters need to be tuned, with training and inference time scaling accordingly, together with energy…

机器学习 · 计算机科学 2023-11-10 Paolo Didier Alfano , Vito Paolo Pastore , Lorenzo Rosasco , Francesca Odone

AI accelerator processing capabilities and memory constraints largely dictate the scale in which machine learning workloads (e.g., training and inference) can be executed within a desirable time frame. Training a state of the art,…

分布式、并行与集群计算 · 计算机科学 2023-10-12 Michael Benington , Leo Phan , Chris Pierre Paul , Evan Shoemaker , Priyanka Ranade , Torstein Collett , Grant Hodgson Perez , Christopher Krieger

Recent research has focused on designing neural samplers that amortize the process of sampling from unnormalized densities. However, despite significant advancements, they still fall short of the state-of-the-art MCMC approach, Parallel…

Magnetic Resonance Imaging (MRI) is a critical tool in modern medical diagnostics, yet its prolonged acquisition time remains a critical limitation, especially in time-sensitive clinical scenarios. While undersampling strategies can…

图像与视频处理 · 电气工程与系统科学 2025-10-09 Mohammed Alsubaie , Wenxi Liu , Linxia Gu , Ovidiu C. Andronesi , Sirani M. Perera , Xianqi Li

To investigate the use of saliency-map analysis to aid in searches for transient signals, such as fast radio bursts and individual pulses from radio pulsars. We aim to demonstrate that saliency maps provide the means to understand…

天体物理仪器与方法 · 物理学 2020-09-30 C. Zhang , C. Wang , G. Hobbs , C. J. Russell , D. Li , S. -B. Zhang , S. Dai , J. -W. Wu , Z. -C. Pan , W. -W. Zhu , L. Toomey , Z. -Y. Ren

We evolve PyDTNN, a framework for distributed parallel training of Deep Neural Networks (DNNs), into an efficient inference tool for convolutional neural networks. Our optimization process on multicore ARM processors involves several…

分布式、并行与集群计算 · 计算机科学 2021-05-20 Adrián Castelló , Sergio Barrachina , Manuel F. Dolz , Enrique S. Quintana-Ortí , Pau San Juan

Recently, there have been reports of six bright, dispersed bursts of coherent radio emission found in pulsar surveys with the Parkes Multi-beam Receiver. Not much is known about the progenitors of these bursts, but they are…

高能天体物理现象 · 物理学 2013-09-10 T. E. Hassall , E. F. Keane , R. P. Fender

Super-resolution (SR) and image generation are important tasks in computer vision and are widely adopted in real-world applications. Most existing methods, however, generate images only at fixed-scale magnification and suffer from…

计算机视觉与模式识别 · 计算机科学 2024-03-18 Jinseok Kim , Tae-Kyun Kim