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Hyperspectral images (HSIs) are susceptible to various noise factors leading to the loss of information, and the noise restricts the subsequent HSIs object detection and classification tasks. In recent years, learning-based methods have…

神经与进化计算 · 计算机科学 2020-08-18 Yuqiao Liu , Yanan Sun , Bing Xue , Mengjie Zhang

Computed Tomography (CT) imaging technique is widely used in geological exploration, medical diagnosis and other fields. In practice, however, the resolution of CT image is usually limited by scanning devices and great expense. Super…

计算机视觉与模式识别 · 计算机科学 2020-01-29 Yukai Wang , Qizhi Teng , Xiaohai He , Junxi Feng , Tingrong Zhang

Inverse problems in imaging such as denoising, deblurring, superresolution (SR) have been addressed for many decades. In recent years, convolutional neural networks (CNNs) have been widely used for many inverse problem areas. Although their…

机器学习 · 计算机科学 2018-10-26 Cem Tarhan , Gozde Bozdagi Akar

Medical imaging, including MRI, CT, and Ultrasound, plays a vital role in clinical decisions. Accurate segmentation is essential to measure the structure of interest from the image. However, manual segmentation is highly operator-dependent,…

图像与视频处理 · 电气工程与系统科学 2022-07-07 Jaeik Jeon , Yeonggul Jang , Youngtaek Hong , Hackjoon Shim , Sekeun Kim

Deep neural networks (DNNs) have achieved state-of-the-art performances in many important domains, including medical diagnosis, security, and autonomous driving. In these domains where safety is highly critical, an erroneous decision can…

机器学习 · 计算机科学 2019-06-12 Aryan Mobiny , Hien V. Nguyen , Supratik Moulik , Naveen Garg , Carol C. Wu

Bayesian Neural Networks (BNNs) place priors over the parameters in a neural network. Inference in BNNs, however, is difficult; all inference methods for BNNs are approximate. In this work, we empirically compare the quality of predictive…

机器学习 · 计算机科学 2019-06-25 Jiayu Yao , Weiwei Pan , Soumya Ghosh , Finale Doshi-Velez

Reliable MRI is crucial for accurate interpretation in therapeutic and diagnostic tasks. However, undersampling during MRI acquisition as well as the overparameterized and non-transparent nature of deep learning (DL) leaves substantial…

计算机视觉与模式识别 · 计算机科学 2020-04-28 Vineet Edupuganti , Morteza Mardani , Shreyas Vasanawala , John Pauly

There are two major types of uncertainty one can model. Aleatoric uncertainty captures noise inherent in the observations. On the other hand, epistemic uncertainty accounts for uncertainty in the model -- uncertainty which can be explained…

计算机视觉与模式识别 · 计算机科学 2017-10-06 Alex Kendall , Yarin Gal

The Computer_Aided Diagnosis (CAD) systems facilitate accurate diagnosis of diseases. The development of CADs by leveraging third generation neural network, namely, Spiking Neural Network (SNN), is essential to utilize of the benefits of…

图像与视频处理 · 电气工程与系统科学 2025-04-28 Mohaddeseh Chegini , Ali Mahloojifar

Inputs to machine learning models can have associated noise or uncertainties, but they are often ignored and not modelled. It is unknown if Bayesian Neural Networks and their approximations are able to consider uncertainty in their inputs.…

机器学习 · 计算机科学 2025-01-15 Matias Valdenegro-Toro , Marco Zullich

Deep Learning-based image super-resolution (SR) has been gaining traction with the aid of Generative Adversarial Networks. Models like SRGAN and ESRGAN are constantly ranked between the best image SR tools. However, they lack principled…

图像与视频处理 · 电气工程与系统科学 2024-12-23 Maniraj Sai Adapa , Marco Zullich , Matias Valdenegro-Toro

Nowadays, deep learning methods, especially the convolutional neural networks (CNNs), have shown impressive performance on extracting abstract and high-level features from the hyperspectral image. However, general training process of CNNs…

计算机视觉与模式识别 · 计算机科学 2020-03-12 Zhiqiang Gong , Ping Zhong , Weidong Hu

When the cost of misclassifying a sample is high, it is useful to have an accurate estimate of uncertainty in the prediction for that sample. There are also multiple types of uncertainty which are best estimated in different ways, for…

机器学习 · 计算机科学 2019-03-18 Richard Harang , Ethan M. Rudd

While Convolutional Neural Networks (CNNs) trained for image and video super-resolution (SR) regularly achieve new state-of-the-art performance, they also suffer from significant drawbacks. One of their limitations is their lack of…

图像与视频处理 · 电气工程与系统科学 2020-06-16 Alice Lucas , Santiago Lopez-Tapia , Rafael Molina , Aggelos K. Katsaggelos

Bayesian neural networks (BNN) and deep ensembles are principled approaches to estimate the predictive uncertainty of a deep learning model. However their practicality in real-time, industrial-scale applications are limited due to their…

机器学习 · 计算机科学 2020-10-27 Jeremiah Zhe Liu , Zi Lin , Shreyas Padhy , Dustin Tran , Tania Bedrax-Weiss , Balaji Lakshminarayanan

Single-pixel imaging (SPI) has the advantages of high-speed acquisition over a broad wavelength range and system compactness, which are difficult to achieve by conventional imaging sensors. However, a common challenge is low image quality…

图像与视频处理 · 电气工程与系统科学 2021-07-27 Ruibo Shang , Mikaela A. O'Brien , Geoffrey P. Luke

Recently neural scene representations have provided very impressive results for representing 3D scenes visually, however, their study and progress have mainly been limited to visualization of virtual models in computer graphics or scene…

计算机视觉与模式识别 · 计算机科学 2022-09-26 Yassine Ahmine , Arnab Dey , Andrew I. Comport

Existing video super-resolution (SR) algorithms usually assume that the blur kernels in the degradation process are known and do not model the blur kernels in the restoration. However, this assumption does not hold for video SR and usually…

计算机视觉与模式识别 · 计算机科学 2020-03-11 Jinshan Pan , Songsheng Cheng , Jiawei Zhang , Jinhui Tang

Uncertainty quantification is essential for robotic perception, as overconfident or point estimators can lead to collisions and damages to the environment and the robot. In this paper, we evaluate scalable approaches to uncertainty…

计算机视觉与模式识别 · 计算机科学 2021-12-16 Javier Rodríguez-Puigvert , Rubén Martínez-Cantín , Javier Civera

While deep neural networks have become the go-to approach in computer vision, the vast majority of these models fail to properly capture the uncertainty inherent in their predictions. Estimating this predictive uncertainty can be crucial,…

机器学习 · 计算机科学 2020-04-08 Fredrik K. Gustafsson , Martin Danelljan , Thomas B. Schön