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In recent years, the field of implicit neural representation has progressed significantly. Models such as neural radiance fields (NeRF), which uses relatively small neural networks, can represent high-quality scenes and achieve…

计算机视觉与模式识别 · 计算机科学 2022-04-01 David Dadon , Ohad Fried , Yacov Hel-Or

An accurate depth map of the environment is critical to the safe operation of autonomous robots and vehicles. Currently, either light detection and ranging (LIDAR) or stereo matching algorithms are used to acquire such depth information.…

3D city models can be generated from aerial images. However, the calculated DSMs suffer from noise, artefacts, and data holes that have to be manually cleaned up in a time-consuming process. This work presents an approach that automatically…

计算机视觉与模式识别 · 计算机科学 2020-12-15 Nando Metzger

Radio maps are essential for efficient radio resource management in future 6G and low-altitude networks. While deep learning (DL) techniques have emerged as an efficient alternative to conventional ray-tracing for radio map estimation…

机器学习 · 计算机科学 2026-02-24 Junshen Chen , Angzi Xu , Zezhong Zhang , Shiyao Zhang , Junting Chen , Shuguang Cui

While deep learning algorithms demonstrate a great potential in scientific computing, its application to multi-scale problems remains to be a big challenge. This is manifested by the "frequency principle" that neural networks tend to learn…

机器学习 · 计算机科学 2021-12-17 Xi-An Li , Zhi-Qin John Xu , Lei Zhang

In this work, we first describe a framework for the application of Reinforcement Learning (RL) control to a radar system that operates in a congested spectral setting. We then compare the utility of several RL algorithms through a…

机器学习 · 计算机科学 2020-06-24 Charles E. Thornton , R. Michael Buehrer , Anthony F. Martone , Kelly D. Sherbondy

We propose a deep learning method for single image super-resolution (SR). Our method directly learns an end-to-end mapping between the low/high-resolution images. The mapping is represented as a deep convolutional neural network (CNN) that…

计算机视觉与模式识别 · 计算机科学 2015-08-03 Chao Dong , Chen Change Loy , Kaiming He , Xiaoou Tang

Image segmentation is considered to be one of the critical tasks in hyperspectral remote sensing image processing. Recently, convolutional neural network (CNN) has established itself as a powerful model in segmentation and classification by…

计算机视觉与模式识别 · 计算机科学 2017-12-29 Fahim Irfan Alam , Jun Zhou , Alan Wee-Chung Liew , Xiuping Jia , Jocelyn Chanussot , Yongsheng Gao

Hyper-spectral images are images captured from a satellite that gives spatial and spectral information of specific region.A Hyper-spectral image contains much more number of channels as compared to a RGB image, hence containing more…

计算机视觉与模式识别 · 计算机科学 2022-06-22 Uphar Singh , Tushar Musale , Ranjana Vyas , O. P. Vyas

Localizing more sources than sensors with a sparse linear array (SLA) has long relied on minimizing a distance between two covariance matrices and recent algorithms often utilize semidefinite programming (SDP). Although deep neural network…

信号处理 · 电气工程与系统科学 2025-03-11 Kuan-Lin Chen , Bhaskar D. Rao

High resolution magnetic resonance (MR) imaging is desirable in many clinical applications due to its contribution to more accurate subsequent analyses and early clinical diagnoses. Single image super resolution (SISR) is an effective and…

计算机视觉与模式识别 · 计算机科学 2019-09-17 Xiaole Zhao , Yulun Zhang , Tao Zhang , Xueming Zou

Convolutional neural networks (CNNs) have achieved remarkable performance in hyperspectral image (HSI) classification over the last few years. Despite the progress that has been made, rich and informative spectral information of HSI has…

计算机视觉与模式识别 · 计算机科学 2024-07-09 Huiling Wang

Imaging through scattering is an important, yet challenging problem. Tremendous progress has been made by exploiting the deterministic input-output "transmission matrix" for a fixed medium. However, this "one-to-one" mapping is highly…

图像与视频处理 · 电气工程与系统科学 2018-09-27 Yunzhe Li , Yujia Xue , Lei Tian

Recent years have witnessed the promise that reinforcement learning, coupled with Graph Neural Network (GNN) architectures, could learn to solve hard combinatorial optimization problems: given raw input data and an evaluator to guide the…

人工智能 · 计算机科学 2022-01-04 Matteo Boffa , Zied Ben Houidi , Jonatan Krolikowski , Dario Rossi

We present an introduction to model-based machine learning for communication systems. We begin by reviewing existing strategies for combining model-based algorithms and machine learning from a high level perspective, and compare them to the…

信号处理 · 电气工程与系统科学 2021-01-14 Nir Shlezinger , Nariman Farsad , Yonina C. Eldar , Andrea J. Goldsmith

Incorporation of prior knowledge about organ shape and location is key to improve performance of image analysis approaches. In particular, priors can be useful in cases where images are corrupted and contain artefacts due to limitations in…

Over the last years, several works have explored the application of deep learning algorithms to determine the large-scale signal fading (also referred to as ``path loss'') between transmitter and receiver pairs in urban communication…

网络与互联网体系结构 · 计算机科学 2024-10-28 Fabian Jaensch , Giuseppe Caire , Begüm Demir

Deep convolutional neural networks (CNNs) are the backbone of state-of-art semantic image segmentation systems. Recent work has shown that complementing CNNs with fully-connected conditional random fields (CRFs) can significantly enhance…

计算机视觉与模式识别 · 计算机科学 2016-06-03 Liang-Chieh Chen , Jonathan T. Barron , George Papandreou , Kevin Murphy , Alan L. Yuille

This paper proposes a deep Convolutional Neural Network(CNN) with strong generalization ability for structural topology optimization. The architecture of the neural network is made up of encoding and decoding parts, which provide down- and…

机器学习 · 计算机科学 2020-04-01 Yiquan Zhang , Bo Peng , Xiaoyi Zhou , Cheng Xiang , Dalei Wang

Spectrum sensing is a fundamental problem in cognitive radio. We propose a function of covariance matrix based detection algorithm for spectrum sensing in cognitive radio network. Monotonically increasing property of function of matrix…

人工智能 · 计算机科学 2012-02-21 Feng Lin , Robert C. Qiu , Zhen Hu , Shujie Hou , James P. Browning , Michael C. Wicks