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Object detection, one of the three main tasks of computer vision, has been used in various applications. The main process is to use deep neural networks to extract the features of an image and then use the features to identify the class and…

计算机视觉与模式识别 · 计算机科学 2022-12-14 Wenshuo Li

The method of direct imaging has detected many exoplanets and made important contribution to the field of planet formation. The standard method employs angular differential imaging (ADI) technique, and more ADI image frames could lead to…

地球与行星天体物理 · 物理学 2023-01-12 Pattana Chintarungruangchai , Ing-Guey Jiang , Jun Hashimoto , Yu Komatsu , Mihoko Konishi

We developed Convolutional Neural Networks (CNNs) to rapidly and directly infer the planet mass from radio dust continuum images. Substructures induced by young planets in protoplanetary disks can be used to infer the potential young…

地球与行星天体物理 · 物理学 2021-12-15 Shangjia Zhang , Zhaohuan Zhu , Mingon Kang

We propose to use low-rank matrix approximation using the component-wise L1-norm for direct imaging of exoplanets. Exoplanet detection by direct imaging is a challenging task for three main reasons: (1) the host star is several orders of…

天体物理仪器与方法 · 物理学 2023-10-30 Hazan Daglayan , Simon Vary , Valentin Leplat , Nicolas Gillis , P. -A. Absil

Current space-based missions, such as the Transiting Exoplanet Survey Satellite (TESS), provide a large database of light curves that must be analysed efficiently and systematically. In recent years, deep learning (DL) methods, particularly…

地球与行星天体物理 · 物理学 2025-04-15 Helem Salinas , Karim Pichara , Rafael Brahm , Francisco Pérez-Galarce , Domingo Mery

Visual place recognition (VPR) is a challenging task with the unbalance between enormous computational cost and high recognition performance. Thanks to the practical feature extraction ability of the lightweight convolution neural networks…

计算机视觉与模式识别 · 计算机科学 2024-04-17 Qingyuan Gong , Yu Liu , Liqiang Zhang , Renhe Liu

We explore the effectiveness of deep learning convolutional neural networks (CNNs) for estimating strong gravitational lens mass model parameters. We have investigated a number of practicalities faced when modelling real image data, such as…

天体物理仪器与方法 · 物理学 2019-07-24 James Pearson , Nan Li , Simon Dye

Coronagraphs allow for faint off-axis exoplanets to be observed, but are limited to angular separations greater than a few beam widths. Accessing closer-in separations would greatly increase the expected number of detectable planets, which…

Automated detection of cervical cancer cells or cell clumps has the potential to significantly reduce error rate and increase productivity in cervical cancer screening. However, most traditional methods rely on the success of accurate cell…

计算机视觉与模式识别 · 计算机科学 2019-12-24 Yixiong Liang , Zhihong Tang , Meng Yan , Jialin Chen , Qing Liu , Yao Xiang

This paper proposed an ensemble of deep convolutional neural networks (CNN) based on EfficientNet, named ECOVNet, to detect COVID-19 using a large chest X-ray data set. At first, the open-access large chest X-ray collection is augmented,…

图像与视频处理 · 电气工程与系统科学 2021-05-27 Nihad Karim Chowdhury , Muhammad Ashad Kabir , Md. Muhtadir Rahman , Noortaz Rezoana

Scene understanding plays an important role in several high-level computer vision applications, such as autonomous vehicles, intelligent video surveillance, or robotics. However, too few solutions have been proposed for indoor/outdoor scene…

计算机视觉与模式识别 · 计算机科学 2024-07-23 Ayman Beghdadi , Azeddine Beghdadi , Mohib Ullah , Faouzi Alaya Cheikh , Malik Mallem

We present our results from training and evaluating a convolutional neural network (CNN) to predict galaxy shapes from wide-field survey images of the first data release of the Dark Energy Survey (DES DR1). We use conventional shape…

宇宙学与河外天体物理 · 物理学 2019-09-25 Dezső Ribli , László Dobos , István Csabai

In this paper we describe the implementation of a convolutional neural network (CNN) used to assess online review helpfulness. To our knowledge, this is the first use of this architecture to address this problem. We explore the impact of…

计算机视觉与模式识别 · 计算机科学 2018-08-29 Xianshan Qu , Xiaopeng Li , John R. Rose

For the task of change detection (CD) in remote sensing images, deep convolution neural networks (CNNs)-based methods have recently aggregated transformer modules to improve the capability of global feature extraction. However, they suffer…

计算机视觉与模式识别 · 计算机科学 2023-12-29 Weiming Li , Lihui Xue , Xueqian Wang , Gang Li

Training CNN for detection is time-consuming due to the large dataset and complex network modules, making it hard to search architectures on detection datasets directly, which usually requires vast search costs (usually tens and even…

计算机视觉与模式识别 · 计算机科学 2022-03-22 Xiaoxing Wang , Jiale Lin , Junchi Yan , Juanping Zhao , Xiaokang Yang

Convolutional neural networks (CNNs) are the state-of-the-art technique for identifying strong gravitational lenses. Although they are highly successful in recovering genuine lens systems with a high true-positive rate, the unbalanced…

Optical and hybrid convolutional neural networks (CNNs) recently have become of increasing interest to achieve low-latency, low-power image classification and computer vision tasks. However, implementing optical nonlinearity is challenging,…

计算机视觉与模式识别 · 计算机科学 2024-06-17 Anna Wirth-Singh , Jinlin Xiang , Minho Choi , Johannes E. Fröch , Luocheng Huang , Shane Colburn , Eli Shlizerman , Arka Majumdar

A Monte Carlo k-nearest neighbours (KNN) and a multi-resolution convolutional neural network (CNN) were developed to detect the presences of multiple gasses in near infrared (IR) spectrums. High Resolution Transmission database was used to…

机器学习 · 计算机科学 2020-03-25 Brosnan Yuen

Convolutional neural networks (CNNs) have revolutionized the world of computer vision over the last few years, pushing image classification beyond human accuracy. The computational effort of today's CNNs requires power-hungry parallel…

硬件体系结构 · 计算机科学 2017-02-27 Renzo Andri , Lukas Cavigelli , Davide Rossi , Luca Benini

Deep Convolutional Neural Networks (CNN) provides an "end-to-end" solution for image pattern recognition with impressive performance in many areas of application including medical imaging. Most CNN models of high performance use…

图像与视频处理 · 电气工程与系统科学 2020-05-29 Mohammed Ahmed , Hongbo Du , Alaa AlZoubi