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Recent studies revealed that convolutional neural networks do not generalize well to small image transformations, e.g. rotations by a few degrees or translations of a few pixels. To improve the robustness to such transformations, we propose…

计算机视觉与模式识别 · 计算机科学 2022-08-23 Adrian Sandru , Mariana-Iuliana Georgescu , Radu Tudor Ionescu

Convolutional neural networks (CNN) are capable of learning robust representation with different regularization methods and activations as convolutional layers are spatially correlated. Based on this property, a large variety of regional…

计算机视觉与模式识别 · 计算机科学 2020-04-07 Devesh Walawalkar , Zhiqiang Shen , Zechun Liu , Marios Savvides

Convolutional neural networks (CNNs) have rapidly risen in popularity for many machine learning applications, particularly in the field of image recognition. Much of the benefit generated from these networks comes from their ability to…

量子物理 · 物理学 2019-04-10 Maxwell Henderson , Samriddhi Shakya , Shashindra Pradhan , Tristan Cook

Most existing GANs architectures that generate images use transposed convolution or resize-convolution as their upsampling algorithm from lower to higher resolution feature maps in the generator. We argue that this kind of fixed operation…

计算机视觉与模式识别 · 计算机科学 2018-02-08 Nhat M. Nguyen , Nilanjan Ray

Many deep neural networks are built by using stacked convolutional layers of fixed and single size (often 3$\times$3) kernels. This paper describes a method for training the size of convolutional kernels to provide varying size kernels in a…

计算机视觉与模式识别 · 计算机科学 2020-09-15 F. Boray Tek , İlker Çam , Deniz Karlı

In this work we investigate the effect of the convolutional network depth on its accuracy in the large-scale image recognition setting. Our main contribution is a thorough evaluation of networks of increasing depth using an architecture…

计算机视觉与模式识别 · 计算机科学 2015-04-13 Karen Simonyan , Andrew Zisserman

Extracting multi-scale information is key to semantic segmentation. However, the classic convolutional neural networks (CNNs) encounter difficulties in achieving multi-scale information extraction: expanding convolutional kernel incurs the…

计算机视觉与模式识别 · 计算机科学 2019-07-09 Mo Zhang , Jie Zhao , Xiang Li , Li Zhang , Quanzheng Li

Deep convolutional neural networks have proven to be well suited for image classification applications. However, if there is distortion in the image, the classification accuracy can be significantly degraded, even with state-of-the-art…

计算机视觉与模式识别 · 计算机科学 2019-02-15 Minho Ha , Younghoon Byeon , Youngjoo Lee , Sunggu Lee

Convolutional Neural Networks have become the norm in image classification. Nevertheless, their difficulty to maintain high accuracy across datasets has become apparent in the past few years. In order to utilize such models in real-world…

计算机视觉与模式识别 · 计算机科学 2022-07-28 Aristotelis Ballas , Christos Diou

Deep convolutional networks are ubiquitous in computer vision, due to their excellent performance across different tasks for various domains. Models are, however, often trained in isolation for each task, failing to exploit relatedness…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Ekaterina Iakovleva , Karteek Alahari , Jakob Verbeek

We test this premise and explore representation spaces from a single deep convolutional network and their visualization to argue for a novel unified feature extraction framework. The objective is to utilize and re-purpose trained feature…

计算机视觉与模式识别 · 计算机科学 2017-07-19 Dalton Lunga , Dilip Patlolla , Lexie Yang , Jeanette Weaver , Budhendra Bhadhuri

Large Convolutional Network models have recently demonstrated impressive classification performance on the ImageNet benchmark. However there is no clear understanding of why they perform so well, or how they might be improved. In this paper…

计算机视觉与模式识别 · 计算机科学 2013-12-02 Matthew D Zeiler , Rob Fergus

As aliasing artefacts are highly structural and non-local, many MRI reconstruction networks use pooling to enlarge filter coverage and incorporate global context. However, this inadvertently impedes fine detail recovery as downsampling…

图像与视频处理 · 电气工程与系统科学 2023-12-01 Wendi Ma , Marlon Bran Lorenzana , Wei Dai , Hongfu Sun , Shekhar S. Chandra

Neural network designers have reached progressive accuracy by increasing models depth, introducing new layer types and discovering new combinations of layers. A common element in many architectures is the distribution of the number of…

计算机视觉与模式识别 · 计算机科学 2021-04-30 Ramon Izquierdo-Cordova , Walterio Mayol-Cuevas

Methods based on convolutional neural network (CNN) have demonstrated tremendous improvements on single image super-resolution. However, the previous methods mainly restore images from one single area in the low resolution (LR) input, which…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Xiaoyi Jia , Xiangmin Xu , Bolun Cai , Kailing Guo

Using a large number of parameters , deep neural networks have achieved remarkable performance on computer vison and natural language processing tasks. However the networks usually suffer from overfitting by using too much parameters.…

计算机视觉与模式识别 · 计算机科学 2018-10-24 Zhengsu Chen Jianwei Niu Qi Tian

Convolutional Neural Networks need the construction of informative features, which are determined by channel-wise and spatial-wise information at the network's layers. In this research, we focus on bringing in a novel solution that uses…

计算机视觉与模式识别 · 计算机科学 2022-04-01 Jerrin Bright , Suryaprakash Rajkumar , Arockia Selvakumar Arockia Doss

This paper provides an extensive study on the availability of image representations based on convolutional networks (ConvNets) for the task of visual instance retrieval. Besides the choice of convolutional layers, we present an efficient…

计算机视觉与模式识别 · 计算机科学 2016-05-10 Ali Sharif Razavian , Josephine Sullivan , Stefan Carlsson , Atsuto Maki

The layers of convolutional neural networks (CNNs) can be used to alter the resolution of their inputs, but the scaling factors are limited to integer values. However, in many image and video processing applications, the ability to resize…

图像与视频处理 · 电气工程与系统科学 2021-05-24 Li-Heng Chen , Christos G. Bampis , Zhi Li , Chao Chen , Alan C. Bovik

In this paper, we propose to exploit the rich hierarchical features of deep convolutional neural networks to improve the accuracy and robustness of visual tracking. Deep neural networks trained on object recognition datasets consist of…

计算机视觉与模式识别 · 计算机科学 2018-08-14 Chao Ma , Jia-Bin Huang , Xiaokang Yang , Ming-Hsuan Yang