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Deep learning based methods have recently pushed the state-of-the-art on the problem of Single Image Super-Resolution (SISR). In this work, we revisit the more traditional interpolation-based methods, that were popular before, now with the…

Computer Vision and Pattern Recognition · Computer Science 2017-12-19 Xu Jia , Hong Chang , Tinne Tuytelaars

We present a novel lightweight convolutional neural network for point cloud analysis. In contrast to many current CNNs which increase receptive field by downsampling point cloud, our method directly operates on the entire point sets without…

Computer Vision and Pattern Recognition · Computer Science 2021-09-27 Xu Wang , Yuyan Li , Ye Duan

Convolution is a fundamental operation in image processing and machine learning. Aimed primarily at maintaining image size, padding is a key ingredient of convolution, which, however, can introduce undesirable boundary effects. We present a…

Computer Vision and Pattern Recognition · Computer Science 2023-09-13 Kuangdai Leng , Jeyan Thiyagalingam

Convolutional models have been widely used in multiple domains. However, most existing models only use local convolution, making the model unable to handle long-range dependency efficiently. Attention overcomes this problem by aggregating…

Machine Learning · Computer Science 2022-10-18 Yuhong Li , Tianle Cai , Yi Zhang , Deming Chen , Debadeepta Dey

Despite their strong modeling capacities, Convolutional Neural Networks (CNNs) are often scale-sensitive. For enhancing the robustness of CNNs to scale variance, multi-scale feature fusion from different layers or filters attracts great…

Computer Vision and Pattern Recognition · Computer Science 2020-07-14 Duo Li , Anbang Yao , Qifeng Chen

In the field of continual learning, models are designed to learn tasks one after the other. While most research has centered on supervised continual learning, there is a growing interest in unsupervised continual learning, which makes use…

Machine Learning · Computer Science 2024-07-18 Daniel Marczak , Sebastian Cygert , Tomasz Trzciński , Bartłomiej Twardowski

The channel redundancy in feature maps of convolutional neural networks (CNNs) results in the large consumption of memories and computational resources. In this work, we design a novel Slim Convolution (SlimConv) module to boost the…

Computer Vision and Pattern Recognition · Computer Science 2021-09-08 Jiaxiong Qiu , Cai Chen , Shuaicheng Liu , Bing Zeng

Point cloud is an important type of 3D representation. However, directly applying convolutions on point clouds is challenging due to the sparse, irregular and unordered data structure. In this paper, we propose a novel Interpolated…

Computer Vision and Pattern Recognition · Computer Science 2019-08-14 Jiageng Mao , Xiaogang Wang , Hongsheng Li

In this paper, we introduce a new image representation based on a multilayer kernel machine. Unlike traditional kernel methods where data representation is decoupled from the prediction task, we learn how to shape the kernel with…

Machine Learning · Statistics 2016-10-26 Julien Mairal

The convolution operation is a central building block of neural network architectures widely used in computer vision. The size of the convolution kernels determines both the expressiveness of convolutional neural networks (CNN), as well as…

Image and Video Processing · Electrical Eng. & Systems 2022-10-10 Tianyu Ma , Adrian V. Dalca , Mert R. Sabuncu

Convolutional neural networks (CNNs) have emerged as one of the most successful machine learning technologies for image and video processing. The most computationally intensive parts of CNNs are the convolutional layers, which convolve…

Computer Vision and Pattern Recognition · Computer Science 2017-07-04 Aravind Vasudevan , Andrew Anderson , David Gregg

Convolutional neural networks have witnessed remarkable improvements in computational efficiency in recent years. A key driving force has been the idea of trading-off model expressivity and efficiency through a combination of $1\times 1$…

Computer Vision and Pattern Recognition · Computer Science 2020-04-08 Zhichao Lu , Kalyanmoy Deb , Vishnu Naresh Boddeti

The computation of convolution layers in deep neural networks typically rely on high performance routines that trade space for time by using additional memory (either for packing purposes or required as part of the algorithm) to improve…

Machine Learning · Computer Science 2018-09-28 Jiyuan Zhang , Franz Franchetti , Tze Meng Low

Convolutional Neural Networks (CNNs) have demonstrated great results for the single-image super-resolution (SISR) problem. Currently, most CNN algorithms promote deep and computationally expensive models to solve SISR. However, we propose a…

Computer Vision and Pattern Recognition · Computer Science 2018-08-28 Vandit Jain , Prakhar Bansal , Abhinav Kumar Singh , Rajeev Srivastava

Large kernels make standard convolutional neural networks (CNNs) great again over transformer architectures in various vision tasks. Nonetheless, recent studies meticulously designed around increasing kernel size have shown diminishing…

Computer Vision and Pattern Recognition · Computer Science 2025-03-14 Dachong Li , Li Li , Zhuangzhuang Chen , Jianqiang Li

When designing Convolutional Neural Networks (CNNs), one must select the size\break of the convolutional kernels before training. Recent works show CNNs benefit from different kernel sizes at different layers, but exploring all possible…

Computer Vision and Pattern Recognition · Computer Science 2022-03-18 David W. Romero , Robert-Jan Bruintjes , Jakub M. Tomczak , Erik J. Bekkers , Mark Hoogendoorn , Jan C. van Gemert

This paper proposes the paradigm of large convolutional kernels in designing modern Convolutional Neural Networks (ConvNets). We establish that employing a few large kernels, instead of stacking multiple smaller ones, can be a superior…

Computer Vision and Pattern Recognition · Computer Science 2024-10-11 Yiyuan Zhang , Xiaohan Ding , Xiangyu Yue

In order to achieve better performance for point cloud analysis, many researchers apply deeper neural networks using stacked Multi-Layer-Perceptron (MLP) convolutions over irregular point cloud. However, applying dense MLP convolutions over…

Computer Vision and Pattern Recognition · Computer Science 2019-09-24 Can Chen , Luca Zanotti Fragonara , Antonios Tsourdos

Symmetry is present in nature and science. In image processing, kernels for spatial filtering possess some symmetry (e.g. Sobel operators, Gaussian, Laplacian). Convolutional layers in artificial feed-forward neural networks have typically…

Computer Vision and Pattern Recognition · Computer Science 2019-06-12 Gregory Dzhezyan , Hubert Cecotti

Conventional neural architectures for sequential data present important limitations. Recurrent networks suffer from exploding and vanishing gradients, small effective memory horizons, and must be trained sequentially. Convolutional networks…

Machine Learning · Computer Science 2022-03-18 David W. Romero , Anna Kuzina , Erik J. Bekkers , Jakub M. Tomczak , Mark Hoogendoorn