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The Gridding algorithm has shown great utility for reconstructing images from non-uniformly spaced samples in the Fourier domain in several imaging modalities. Due to the non-uniform spacing, some correction for the variable density of the…

图像与视频处理 · 电气工程与系统科学 2021-06-17 Nicholas Dwork , Daniel O'Connor , Ethan M. I. Johnson , Corey A. Baron , Jeremy W. Gordon , John M. Pauly , Peder E. Z. Larson

Overparameterization has been shown to benefit both the optimization and generalization of neural networks, but large networks are resource hungry at both training and test time. Network pruning can reduce test-time resource requirements,…

机器学习 · 计算机科学 2020-08-10 Chaoqi Wang , Guodong Zhang , Roger Grosse

Recent works demonstrate the advantages of hardware rasterization for 3D Gaussian Splatting (3DGS) in forward-pass rendering through fast GPU-optimized graphics and fixed memory footprint. However, extending these benefits to backward-pass…

图形学 · 计算机科学 2025-08-14 Yitian Yuan , Qianyue He

Convolutional sparse coding improves on the standard sparse approximation by incorporating a global shift-invariant model. The most efficient convolutional sparse coding methods are based on the alternating direction method of multipliers…

机器学习 · 计算机科学 2022-02-09 Farshad G. Veshki , Sergiy A. Vorobyov

Neural networks are widely used for almost any task of recognizing image content. Even though much effort has been put into investigating efficient network architectures, optimizers, and training strategies, the influence of image…

计算机视觉与模式识别 · 计算机科学 2022-09-30 Andreas Spruck , Viktoria Heimann , André Kaup

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

In this paper, we propose a new trigonometric interpolation algorithm and establish relevant convergent properties. The method adjusts an existing trigonometric interpolation algorithm such that it can better leverage Fast Fourier Transform…

数值分析 · 数学 2025-05-06 Xiaorong Zou

In this paper, we introduce a new channel pruning method to accelerate very deep convolutional neural networks. Given a trained CNN model, we propose an iterative two-step algorithm to effectively prune each layer, by a LASSO regression…

计算机视觉与模式识别 · 计算机科学 2022-11-16 Yihui He

Structured pruning of filters or neurons has received increased focus for compressing convolutional neural networks. Most existing methods rely on multi-stage optimizations in a layer-wise manner for iteratively pruning and retraining which…

计算机视觉与模式识别 · 计算机科学 2019-03-25 Shaohui Lin , Rongrong Ji , Chenqian Yan , Baochang Zhang , Liujuan Cao , Qixiang Ye , Feiyue Huang , David Doermann

Deeper and wider Convolutional Neural Networks (CNNs) achieve superior performance but bring expensive computation cost. Accelerating such over-parameterized neural network has received increased attention. A typical pruning algorithm is a…

计算机视觉与模式识别 · 计算机科学 2019-11-12 Yang He , Xuanyi Dong , Guoliang Kang , Yanwei Fu , Chenggang Yan , Yi Yang

As the need for more accurate and powerful Convolutional Neural Networks (CNNs) increases, so too does the size, execution time, memory footprint, and power consumption. To overcome this, solutions such as pruning have been proposed with…

人工智能 · 计算机科学 2026-02-20 Joseph Bingham , Sam Helmich

We present an approach to accelerating a wide variety of image processing operators. Our approach uses a fully-convolutional network that is trained on input-output pairs that demonstrate the operator's action. After training, the original…

计算机视觉与模式识别 · 计算机科学 2017-09-05 Qifeng Chen , Jia Xu , Vladlen Koltun

For a wide range of clinical applications, such as adaptive treatment planning or intraoperative image update, feature-based deformable registration (FDR) approaches are widely employed because of their simplicity and low computational…

We propose a sparse grids based adaptive noise reduction strategy for electrostatic particle-in-cell (PIC) simulations. Our approach is based on the key idea of relying on sparse grids instead of a regular grid in order to increase the…

Deep convolutional networks have attracted great attention in image restoration and enhancement. Generally, restoration quality has been improved by building more and more convolutional block. However, these methods mostly learn a specific…

计算机视觉与模式识别 · 计算机科学 2021-05-21 Yukai Shi , Jinghui Qin

Pruning is a compression method which aims to improve the efficiency of neural networks by reducing their number of parameters while maintaining a good performance, thus enhancing the performance-to-cost ratio in nontrivial ways. Of…

神经与进化计算 · 计算机科学 2023-09-25 Hugo Tessier , Ghouti Boukli Hacene , Vincent Gripon

The existence of redundancy in Convolutional Neural Networks (CNNs) enables us to remove some filters/channels with acceptable performance drops. However, the training objective of CNNs usually tends to minimize an accuracy-related loss…

计算机视觉与模式识别 · 计算机科学 2021-08-02 Xiaohan Ding , Tianxiang Hao , Jungong Han , Yuchen Guo , Guiguang Ding

The benefit of localized features within the regular domain has given rise to the use of Convolutional Neural Networks (CNNs) in machine learning, with great proficiency in the image classification. The use of CNNs becomes problematic…

计算机视觉与模式识别 · 计算机科学 2016-09-29 Michael Edwards , Xianghua Xie

Geophysical inversion should ideally produce geologically realistic subsurface models that explain the available data. Multiple-point statistics is a geostatistical approach to construct subsurface models that are consistent with…

地球物理 · 物理学 2017-01-09 T. Zahner , T. Lochbühler , G. Mariethoz , N. Linde

Iso-surface extraction from an implicit field is a fundamental process in various applications of computer vision and graphics. When dealing with geometric shapes with complicated geometric details, many existing algorithms suffer from high…

计算机视觉与模式识别 · 计算机科学 2025-01-10 Daxuan Ren , Hezi Shi , Jianmin Zheng , Jianfei Cai