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相关论文: PWC-Net: CNNs for Optical Flow Using Pyramid, Warp…

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Convolutional neural networks (CNNs) have recently been applied to predict or model fluid dynamics. However, mechanisms of CNNs for learning fluid dynamics are still not well understood, while such understanding is highly necessary to…

流体动力学 · 物理学 2021-04-06 Sangseung Lee , Donghyun You

State-of-the-art neural network models estimate large displacement optical flow in multi-resolution and use warping to propagate the estimation between two resolutions. Despite their impressive results, it is known that there are two…

计算机视觉与模式识别 · 计算机科学 2019-03-05 Yao Lu , Jack Valmadre , Heng Wang , Juho Kannala , Mehrtash Harandi , Philip H. S. Torr

Optical flow estimation is an essential step for many real-world computer vision tasks. Existing deep networks have achieved satisfactory results by mostly employing a pyramidal coarse-to-fine paradigm, where a key process is to adopt…

计算机视觉与模式识别 · 计算机科学 2021-02-02 Lingtong Kong , Xiaohang Yang , Jie Yang

We propose a new pipeline for optical flow computation, based on Deep Learning techniques. We suggest using a Siamese CNN to independently, and in parallel, compute the descriptors of both images. The learned descriptors are then compared…

计算机视觉与模式识别 · 计算机科学 2016-04-12 David Gadot , Lior Wolf

Convolutional neural networks (CNNs) have shown remarkable performance in various computer vision tasks in recent years. However, the increasing model size has raised challenges in adopting them in real-time applications as well as mobile…

计算机视觉与模式识别 · 计算机科学 2018-11-20 Van-Thanh Hoang , Kang-Hyun Jo

A novel 3D point cloud learning model for deep LiDAR odometry, named PWCLO-Net, using hierarchical embedding mask optimization is proposed in this paper. In this model, the Pyramid, Warping, and Cost volume (PWC) structure for the LiDAR…

计算机视觉与模式识别 · 计算机科学 2021-04-05 Guangming Wang , Xinrui Wu , Zhe Liu , Hesheng Wang

Existing deep convolutional neural networks (CNNs) require a fixed-size (e.g., 224x224) input image. This requirement is "artificial" and may reduce the recognition accuracy for the images or sub-images of an arbitrary size/scale. In this…

计算机视觉与模式识别 · 计算机科学 2016-11-18 Kaiming He , Xiangyu Zhang , Shaoqing Ren , Jian Sun

Convolutional Neural Networks (CNNs) achieve remarkable accuracy in vision tasks, yet their computational complexity challenges low-power edge deployment. In this work, we present COMET, a framework of CNN models that employ efficient…

信号处理 · 电气工程与系统科学 2026-04-09 Boyang Chen , Mohd Tasleem Khan , George Goussetis , Mathini Sellathurai , Yuan Ding , João F. C. Mota , Jongeun Lee

We propose a principled convolutional neural pyramid (CNP) framework for general low-level vision and image processing tasks. It is based on the essential finding that many applications require large receptive fields for structure…

计算机视觉与模式识别 · 计算机科学 2017-04-10 Xiaoyong Shen , Ying-Cong Chen , Xin Tao , Jiaya Jia

Convolutional neural network (CNN) slides a kernel over the whole image to produce an output map. This kernel scheme reduces the number of parameters with respect to a fully connected neural network (NN). While CNN has proven to be an…

计算机视觉与模式识别 · 计算机科学 2025-04-29 Ihsan Ullah , Alfredo Petrosino

Capsule networks (CapsNets) have recently shown promise to excel in most computer vision tasks, especially pertaining to scene understanding. In this paper, we explore CapsNet's capabilities in optical flow estimation, a task at which…

计算机视觉与模式识别 · 计算机科学 2020-11-10 Vinoj Jayasundara , Debaditya Roy , Basura Fernando

Feature warping is a core technique in optical flow estimation; however, the ambiguity caused by occluded areas during warping is a major problem that remains unsolved. In this paper, we propose an asymmetric occlusion-aware feature…

计算机视觉与模式识别 · 计算机科学 2020-08-12 Shengyu Zhao , Yilun Sheng , Yue Dong , Eric I-Chao Chang , Yan Xu

This work introduces a novel application for predicting the macroscopic intrinsic permeability tensor in deformable porous media, using a limited set of micro-CT images of real microgeometries. The primary goal is to develop an efficient,…

流体动力学 · 物理学 2025-01-14 Yousef Heider , Fadi Aldakheel , Wolfgang Ehlers

The tradeoff between receptive field size and efficiency is a crucial issue in low level vision. Plain convolutional networks (CNNs) generally enlarge the receptive field at the expense of computational cost. Recently, dilated filtering has…

计算机视觉与模式识别 · 计算机科学 2018-05-23 Pengju Liu , Hongzhi Zhang , Kai Zhang , Liang Lin , Wangmeng Zuo

Optimizing the channel counts for different layers of a CNN has shown great promise in improving the efficiency of CNNs at test-time. However, these methods often introduce large computational overhead (e.g., an additional 2x FLOPs of…

计算机视觉与模式识别 · 计算机科学 2021-04-28 Ting-Wu Chin , Diana Marculescu , Ari S. Morcos

We propose Path-CNN, a method for the segmentation of centerlines of tubular structures by embedding convolutional neural networks (CNNs) into the progressive minimal path method. Minimal path methods are widely used for topology-aware…

计算机视觉与模式识别 · 计算机科学 2022-04-06 Wei Liao

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

This work introduces pyramidal convolution (PyConv), which is capable of processing the input at multiple filter scales. PyConv contains a pyramid of kernels, where each level involves different types of filters with varying size and depth,…

计算机视觉与模式识别 · 计算机科学 2020-06-23 Ionut Cosmin Duta , Li Liu , Fan Zhu , Ling Shao

In this paper, we introduce a memory-efficient CNN (convolutional neural network), which enables resource-constrained low-end embedded and IoT devices to perform on-device vision tasks, such as image classification and object detection,…

计算机视觉与模式识别 · 计算机科学 2024-10-15 Jaewook Lee , Yoel Park , Seulki Lee

Sparse optical flow is widely used in various computer vision tasks, however assuming brightness consistency limits its performance in High Dynamic Range (HDR) environments. In this work, a lightweight network is used to extract…

计算机视觉与模式识别 · 计算机科学 2024-05-28 Yicheng Lin , Shuo Wang , Yunlong Jiang , Bin Han