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In this paper, we propose the nonlinearity generation method to speed up and stabilize the training of deep convolutional neural networks. The proposed method modifies a family of activation functions as nonlinearity generators (NGs). NGs…

机器学习 · 计算机科学 2017-10-18 Yang Jiang , Zeyang Dou , Qun Hao , Jie Cao , Kun Gao , Xi Chen

This paper addresses the limitations of neural rendering-based multi-view surface reconstruction methods, which require an additional mesh extraction step that is inconvenient and would produce poor-quality surfaces with mesh aliasing,…

计算机视觉与模式识别 · 计算机科学 2025-08-26 Qitong Zhang , Jieqing Feng

Computed tomography is widely used as an imaging tool to visualize three-dimensional structures with expressive bone-soft tissue contrast. However, CT resolution and radiation dose are tightly entangled, highlighting the importance of…

Deep neural networks exploiting millions of parameters are nowadays the norm in deep learning applications. This is a potential issue because of the great amount of computational resources needed for training, and of the possible loss of…

计算与语言 · 计算机科学 2022-10-31 Giovanni Bonetta , Matteo Ribero , Rossella Cancelliere

Numerical homogenization methods aim at providing appropriate coarse-scale approximations of solutions to (elliptic) partial differential equations that involve highly oscillatory coefficients. The localized orthogonal decomposition (LOD)…

数值分析 · 数学 2026-02-13 Mehdi Elasmi , Felix Krumbiegel , Roland Maier

In this paper we propose and study a technique to impose structural constraints on the output of a neural network, which can reduce amount of computation and number of parameters besides improving prediction accuracy when the output is…

计算机视觉与模式识别 · 计算机科学 2015-07-31 Shuchang Zhou , Yuxin Wu

Deep learning based methods hold state-of-the-art results in low-level image processing tasks, but remain difficult to interpret due to their black-box construction. Unrolled optimization networks present an interpretable alternative to…

图像与视频处理 · 电气工程与系统科学 2025-11-18 Nikola Janjušević , Amirhossein Khalilian-Gourtani , Yao Wang

This paper describes a node relocation algorithm based on nonlinear optimization which delivers excellent results for both unstructured and structured plane triangle meshes over convex as well as non-convex domains with high curvature. The…

数值分析 · 计算机科学 2014-10-23 Daniel Aubram

Decomposition is a proven way to shrink deep networks without changing input-output dimensionality or interface semantics. We bring this idea to hyperdimensional computing (HDC), where footprint cuts usually shrink the feature axis and…

机器学习 · 计算机科学 2026-02-04 Sanggeon Yun , Hyunwoo Oh , Ryozo Masukawa , Mohsen Imani

In recent years, large convolutional neural networks have been widely used as tools for image deblurring, because of their ability in restoring images very precisely. It is well known that image deblurring is mathematically modeled as an…

计算机视觉与模式识别 · 计算机科学 2023-06-01 Davide Evangelista , Elena Morotti , Elena Loli Piccolomini , James Nagy

This paper tackles the problem of training a deep convolutional neural network with both low-precision weights and low-bitwidth activations. Optimizing a low-precision network is very challenging since the training process can easily get…

计算机视觉与模式识别 · 计算机科学 2021-06-05 Bohan Zhuang , Chunhua Shen , Mingkui Tan , Lingqiao Liu , Ian Reid

In this paper, we consider a numerical homogenization of the poroelasticity problem with stochastic properties. The proposed method based on the construction of the deep neural network (DNN) for fast calculation of the effective properties…

数值分析 · 数学 2018-10-04 Maria Vasilyeva , Aleksey Tyrylgin

The prediction of upcoming events in industrial processes has been a long-standing research goal since it enables optimization of manufacturing parameters, planning of equipment maintenance and more importantly prediction and eventually…

Image denoising is a fundamental problem in image processing whose primary objective is to remove the noise while preserving the original image structure. In this work, we proposed a new architecture for image denoising. We have used…

图像与视频处理 · 电气工程与系统科学 2019-03-25 Sutanu Bera , Avisek Lahiri , Prabir Kumar Biswas

Tensor decomposition is one of the fundamental technique for model compression of deep convolution neural networks owing to its ability to reveal the latent relations among complex structures. However, most existing methods compress the…

计算机视觉与模式识别 · 计算机科学 2021-12-08 Bo-Shiuan Chu , Che-Rung Lee

Generalization is one of the fundamental issues in machine learning. However, traditional techniques like uniform convergence may be unable to explain generalization under overparameterization. As alternative approaches, techniques based on…

机器学习 · 计算机科学 2022-03-22 Jiaye Teng , Jianhao Ma , Yang Yuan

Model quantization is a widely used technique to compress and accelerate deep neural network (DNN) inference, especially when deploying to edge or IoT devices with limited computation capacity and power consumption budget. The uniform bit…

机器学习 · 计算机科学 2020-04-27 Tao Wang , Junsong Wang , Chang Xu , Chao Xue

Recent years have witnessed the great advance of deep learning in a variety of vision tasks. Many state-of-the-art deep neural networks suffer from large size and high complexity, which makes it difficult to deploy in resource-limited…

计算机视觉与模式识别 · 计算机科学 2019-05-29 Zhengguang Zhou , Wengang Zhou , Xutao Lv , Xuan Huang , Xiaoyu Wang , Houqiang Li

Deep learning methods have been successfully used in various computer vision tasks. Inspired by that success, deep learning has been explored in magnetic resonance imaging (MRI) reconstruction. In particular, integrating deep learning and…

图像与视频处理 · 电气工程与系统科学 2023-10-06 Peizhou Huang , Chaoyi Zhang , Xiaoliang Zhang , Xiaojuan Li , Liang Dong , Leslie Ying

Deep hedging uses recurrent neural networks to hedge financial products that cannot be fully hedged in incomplete markets. Previous work in this area focuses on minimizing some measure of quadratic hedging error by calculating pathwise…

数理金融 · 定量金融 2025-10-21 Alok Das , Kiseop Lee