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Inpainting has been continuously studied in the field of computer vision. As artificial intelligence technology developed, deep learning technology was introduced in inpainting research, helping to improve performance. Currently, the input…

图像与视频处理 · 电气工程与系统科学 2021-01-27 Seo Woo Han , Doug Young Suh

The Principal Component Analysis Network (PCANet), which is one of the recently proposed deep learning architectures, achieves the state-of-the-art classification accuracy in various databases. However, the performance of PCANet may be…

计算机视觉与模式识别 · 计算机科学 2015-03-06 Rui Zeng , Jiasong Wu , Zhuhong Shao , Yang Chen , Lotfi Senhadji , Huazhong Shu

Photoacoustic tomography (PAT) is an emerging and non-invasive hybrid imaging modality for visualizing light absorbing structures in biological tissue. The recently invented PAT systems using arrays of 64 parallel integrating line detectors…

数值分析 · 数学 2018-08-31 Johannes Schwab , Stephan Antholzer , Robert Nuster , Markus Haltmeier

Retrieving accurate 3D reconstructions of objects from the way they reflect light is a very challenging task in computer vision. Despite more than four decades since the definition of the Photometric Stereo problem, most of the literature…

计算机视觉与模式识别 · 计算机科学 2021-10-13 Fotios Logothetis , Ignas Budvytis , Roberto Mecca , Roberto Cipolla

We forecast constraints on primordial non-Gaussianity (PNG) and bias parameters from measurements of galaxy power spectrum and bispectrum in future radio continuum and optical surveys. In the galaxy bispectrum, we consider a comprehensive…

宇宙学与河外天体物理 · 物理学 2018-05-04 Dionysios Karagiannis , Andrei Lazanu , Michele Liguori , Alvise Raccanelli , Nicola Bartolo , Licia Verde

In recent years, the widespread use of deep neural networks (DNNs) has facilitated great improvements in performance for computer vision tasks like image classification and object recognition. In most realistic computer vision applications,…

计算机视觉与模式识别 · 计算机科学 2019-08-27 Tejas Borkar , Lina Karam

We present a new procedure rooted in deep learning to construct science images from data cubes collected by astronomical instruments using HxRG detectors in low-flux regimes. It improves on the drawbacks of the conventional algorithms to…

天体物理仪器与方法 · 物理学 2022-05-30 Guillaume Payeur , Étienne Artigau , Laurence Perreault-Levasseur , René Doyon

Accurate air quality forecasts are vital for public health alerts, exposure assessment, and emissions control. In practice, observational data are often missing in varying proportions and patterns due to collection and transmission issues.…

机器学习 · 计算机科学 2025-11-05 Yuzhuang Pian , Taiyu Wang , Shiqi Zhang , Rui Xu , Yonghong Liu

With the growing amount of astronomical data, there is an increasing need for automated data processing pipelines, which can extract scientific information from observation data without human interventions. A critical aspect of these…

天体物理仪器与方法 · 物理学 2024-05-07 Peng Jia , Yu Song , Jiameng Lv , Runyu Ning

The search for gamma-ray counterparts to gravitational-wave events with the CALET Gamma-ray Burst Monitor (CGBM) requires accurate and robust background modeling. Previous CALET observing runs (O3 and O4) relied on averaged pre/post-event…

高能天体物理现象 · 物理学 2025-11-20 Bisweswar Sen

We focus on the real-world problem of training accurate deep models for image classification of a small number of rare categories. In these scenarios, almost all images belong to the background category in the dataset (>95% of the dataset…

计算机视觉与模式识别 · 计算机科学 2020-09-01 Ravi Teja Mullapudi , Fait Poms , William R. Mark , Deva Ramanan , Kayvon Fatahalian

Low-light image enhancement is a crucial preprocessing task for some complex vision tasks. Target detection, image segmentation, and image recognition outcomes are all directly impacted by the impact of image enhancement. However, the…

计算机视觉与模式识别 · 计算机科学 2023-03-17 Mengfei Wu , Xucheng Xue , Taiji Lan , Xinwei Xu

Algorithmic X-ray scatter compensation is a desirable technique in flat-panel X-ray imaging and cone-beam computed tomography. State-of-the-art U-net based image translation approaches yielded promising results. As there are no physics…

Photometric stereo (PS) endeavors to ascertain surface normals using shading clues from photometric images under various illuminations. Recent deep learning-based PS methods often overlook the complexity of object surfaces. These neural…

计算机视觉与模式识别 · 计算机科学 2024-12-17 Kaixuan Wang , Lin Qi , Shiyu Qin , Kai Luo , Yakun Ju , Xia Li , Junyu Dong

Training deep learning networks involves continuous weight updates across the various layers of the deep network while using a backpropagation algorithm (BP). This results in expensive computation overheads during training. Consequently,…

机器学习 · 计算机科学 2021-02-23 D. Dang , S. V. R. Chittamuru , S. Pasricha , R. Mahapatra , D. Sahoo

Cone-beam computed tomography (CBCT) has become a vital imaging technique in various medical fields but scatter artifacts are a major limitation in CBCT scanning. This challenge is exacerbated by the use of large flat panel 2D detectors.…

信号处理 · 电气工程与系统科学 2024-05-24 Harshit Agrawal , Ari Hietanen , Simo Särkkä

Galaxy surveys are crucial for studying large-scale structure (LSS) and cosmology, yet they face limitations--imaging surveys provide extensive sky coverage but suffer from photo-$z$ uncertainties, while spectroscopic surveys yield precise…

天体物理仪器与方法 · 物理学 2025-08-26 Wenying Du , Xiaolin Luo , Zhujun Jiang , Xu Xiao , Qiufan Lin , Xin Wang , Yang Wang , Fenfen Yin , Le Zhang , Xiao-Dong Li

Depth estimation, as a necessary clue to convert 2D images into the 3D space, has been applied in many machine vision areas. However, to achieve an entire surrounding 360-degree geometric sensing, traditional stereo matching algorithms for…

计算机视觉与模式识别 · 计算机科学 2021-09-22 Keyang Zhou , Kailun Yang , Kaiwei Wang

Detection of moving objects in videos is a crucial step towards successful surveillance and monitoring applications. A key component for such tasks is called background subtraction and tries to extract regions of interest from the image…

计算机视觉与模式识别 · 计算机科学 2017-10-30 Konstantinos Makantasis , Antonis Nikitakis , Anastasios Doulamis , Nikolaos Doulamis , Yannis Papaefstathiou

This paper has proposed a new baseline deep learning model of more benefits for image classification. Different from the convolutional neural network(CNN) practice where filters are trained by back propagation to represent different…

计算机视觉与模式识别 · 计算机科学 2021-08-13 Yifei Li , Kuangyan Song , Yiming Sun , Liao Zhu