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We propose a supervised-machine-learning-based wall model for coarse-grid wall-resolved large-eddy simulation (LES). Our consideration is made on LES of turbulent channel flows with a first grid point set relatively far from the wall…

流体动力学 · 物理学 2021-06-18 Naoki Moriya , Kai Fukami , Yusuke Nabae , Masaki Morimoto , Taichi Nakamura , Koji Fukagata

The extend of tool wear significantly affects blanking processes and has a decisive impact on product quality and productivity. For this reason, numerous scientists have addressed their research to wear monitoring systems in order to…

计算机视觉与模式识别 · 计算机科学 2023-11-23 Clemens Schlegel , Dirk Alexander Molitor , Christian Kubik , Daniel Michael Martin , Peter Groche

Wire-feed laser additive manufacturing (WLAM) is gaining wide interest due to its high level of automation, high deposition rates, and good quality of printed parts. In-process monitoring and feedback controls that would reduce the…

材料科学 · 物理学 2021-03-23 Noopur Jamnikar , Sen Liu , Craig Brice , Xiaoli Zhang

The recognition and classification of the diversity of materials that exist in the environment around us are a key visual competence that computer vision systems focus on in recent years. Understanding the identification of materials in…

计算机视觉与模式识别 · 计算机科学 2017-10-20 Anca Sticlaru

Scattering networks are a class of designed Convolutional Neural Networks (CNNs) with fixed weights. We argue they can serve as generic representations for modelling images. In particular, by working in scattering space, we achieve…

Deep learning (DL) techniques have had unprecedented success when applied to images, waveforms, and texts to cite a few. In general, when the sample size (N) is much greater than the number of features (d), DL outperforms previous machine…

计算机视觉与模式识别 · 计算机科学 2017-12-04 Thanh Hai Nguyen , Yann Chevaleyre , Edi Prifti , Nataliya Sokolovska , Jean-Daniel Zucker

Characterizing blood vessels in digital images is important for the diagnosis of many types of diseases as well as for assisting current researches regarding vascular systems. The automated analysis of blood vessels typically requires the…

图像与视频处理 · 电气工程与系统科学 2023-01-12 Matheus V. da Silva , Julie Ouellette , Baptiste Lacoste , Cesar H. Comin

In this paper, we propose a Computer Assisted Diagnosis (CAD) system based on a deep Convolutional Neural Network (CNN) model, to build an end-to-end learning process that classifies breast mass lesions. We investigate the impact that has…

计算机视觉与模式识别 · 计算机科学 2017-11-30 Hiba Chougrad , Hamid Zouaki , Omar Alheyane

The performance of deep neural networks scales with dataset size and label quality, rendering the efficient mitigation of low-quality data annotations crucial for building robust and cost-effective systems. Existing strategies to address…

计算机视觉与模式识别 · 计算机科学 2025-04-15 Francesco Di Salvo , Sebastian Doerrich , Ines Rieger , Christian Ledig

Convolutional neural networks (CNN) have made great progress for synthetic aperture radar (SAR) images change detection. However, sampling locations of traditional convolutional kernels are fixed and cannot be changed according to the…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Junjie Wang , Feng Gao , Junyu Dong

Deep learning methods are used on spectroscopic data to predict drug content in tablets from near infrared (NIR) spectra. Using convolutional neural networks (CNNs), features are ex- tracted from the spectroscopic data. Extended…

机器学习 · 计算机科学 2017-10-06 Esben Jannik Bjerrum , Mads Glahder , Thomas Skov

Deep convolutional neural networks (CNN) have recently been shown in many computer vision and pattern recog- nition applications to outperform by a significant margin state- of-the-art solutions that use traditional hand-crafted features.…

机器人学 · 计算机科学 2015-04-22 Yi Hou , Hong Zhang , Shilin Zhou

Convolutional neural networks (CNNs) are deep learning frameworks which are well-known for their notable performance in classification tasks. Hence, many skeleton-based action recognition and segmentation (SBARS) algorithms benefit from…

机器学习 · 计算机科学 2019-11-13 Babak Hosseini , Romain Montagne , Barbara Hammer

Wavelet scattering networks, which are convolutional neural networks (CNNs) with fixed filters and weights, are promising tools for image analysis. Imposing symmetry on image statistics can improve human interpretability, aid in…

计算机视觉与模式识别 · 计算机科学 2021-04-26 Andrew K. Saydjari , Douglas P. Finkbeiner

The shape of a weld bead is critical in assessing the quality of the welded joint. In particular, this has a major impact in the accuracy of the results obtained from a numerical analysis. This study focuses on the statistical design…

机器学习 · 计算机科学 2022-06-08 R. Pradhan , A. P Joshi , M. R Sunny , A. Sarkar

In this paper, we propose to utilize Convolutional Neural Networks (CNNs) and the segmentation-based multi-scale analysis to locate tampered areas in digital images. First, to deal with color input sliding windows of different scales, a…

计算机视觉与模式识别 · 计算机科学 2018-12-26 Yaqi Liu , Qingxiao Guan , Xianfeng Zhao , Yun Cao

We develop a new contour tracing algorithm to enhance the results of the latest object contour detectors. The goal is to achieve a perfectly closed, 1 pixel wide and detailed object contour, since this type of contour could be analyzed…

计算机视觉与模式识别 · 计算机科学 2020-04-15 André Peter Kelm , Udo Zölzer

In recent times, various modules such as squeeze-and-excitation, and others have been proposed to improve the quality of features learned from wearable sensor signals. However, these modules often cause the number of parameters to be large,…

计算机视觉与模式识别 · 计算机科学 2023-04-03 Ayokunle Olalekan Ige , Mohd Halim Mohd Noor

Convolution neural network (CNN), as one of the most powerful and popular technologies, has achieved remarkable progress for image and video classification since its invention in 1989. However, with the high definition video-data explosion,…

新兴技术 · 计算机科学 2021-08-04 Yue Jiang , Wenjia Zhang , Fan Yang , Zuyuan He

We compare a set of convolutional neural network (CNN) architectures for the task of segmenting and detecting human sperm cells in an image taken from a semen sample. In contrast to previous work, samples are not stained or washed to allow…

计算机视觉与模式识别 · 计算机科学 2017-04-04 Malte Stær Nissen , Oswin Krause , Kristian Almstrup , Søren Kjærulff , Torben Trindkær Nielsen , Mads Nielsen