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Convolutional Neural Networks (CNNs) have recently been shown to excel at performing visual place recognition under changing appearance and viewpoint. Previously, place recognition has been improved by intelligently selecting relevant…

机器人学 · 计算机科学 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

Convolutional neural networks (CNN) have made great progress for synthetic aperture radar (SAR) images change detection. However, sampling locations of traditional convolutional kernels are fixed and cannot be changed according to the…

计算机视觉与模式识别 · 计算机科学 2021-04-07 Junjie Wang , Feng Gao , Junyu Dong

Neural fields are evolving towards a general-purpose continuous representation for visual computing. Yet, despite their numerous appealing properties, they are hardly amenable to signal processing. As a remedy, we present a method to…

计算机视觉与模式识别 · 计算机科学 2024-04-08 Ntumba Elie Nsampi , Adarsh Djeacoumar , Hans-Peter Seidel , Tobias Ritschel , Thomas Leimkühler

Deep neural networks have faced many problems in hyperspectral image classification, including the ineffective utilization of spectral-spatial joint information and the problems of gradient vanishing and overfitting that arise with…

计算机视觉与模式识别 · 计算机科学 2023-07-18 Guandong Li , Mengxia Ye

Convolutional precoding in polarization-adjusted convolutional (PAC) codes can reduce the number of minimum weight codewords (a.k.a error coefficient) of polar codes. This can result in improving the error correction performance of (near)…

信息论 · 计算机科学 2022-12-02 Xinyi Gu , Mohammad Rowshan , Jinhong Yuan

Large kernel convolutions offer a scalable alternative to vision transformers for high-resolution 3D volumetric analysis, yet naively increasing kernel size often leads to optimization instability. Motivated by the spatial bias inherent in…

计算机视觉与模式识别 · 计算机科学 2026-02-02 Ho Hin Lee , Quan Liu , Shunxing Bao , Yuankai Huo , Bennett A. Landman

We present a versatile formulation of the convolution operation that we term a "mapped convolution." The standard convolution operation implicitly samples the pixel grid and computes a weighted sum. Our mapped convolution decouples these…

计算机视觉与模式识别 · 计算机科学 2019-06-27 Marc Eder , True Price , Thanh Vu , Akash Bapat , Jan-Michael Frahm

Establishing correspondence between shapes is a fundamental problem in geometry processing, arising in a wide variety of applications. The problem is especially difficult in the setting of non-isometric deformations, as well as in the…

计算机视觉与模式识别 · 计算机科学 2016-05-23 Davide Boscaini , Jonathan Masci , Emanuele Rodolà , Michael M. Bronstein

Most modern convolutional neural networks (CNNs) used for object recognition are built using the same principles: Alternating convolution and max-pooling layers followed by a small number of fully connected layers. We re-evaluate the state…

机器学习 · 计算机科学 2015-04-14 Jost Tobias Springenberg , Alexey Dosovitskiy , Thomas Brox , Martin Riedmiller

Neural Processes (NPs) are meta-learning models that learn to map sets of observations to approximations of the corresponding posterior predictive distributions. By accommodating variable-sized, unstructured collections of observations and…

机器学习 · 计算机科学 2026-02-10 Peiman Mohseni , Nick Duffield

We propose the autofocus convolutional layer for semantic segmentation with the objective of enhancing the capabilities of neural networks for multi-scale processing. Autofocus layers adaptively change the size of the effective receptive…

计算机视觉与模式识别 · 计算机科学 2018-06-12 Yao Qin , Konstantinos Kamnitsas , Siddharth Ancha , Jay Nanavati , Garrison Cottrell , Antonio Criminisi , Aditya Nori

We propose a novel deep layer cascade (LC) method to improve the accuracy and speed of semantic segmentation. Unlike the conventional model cascade (MC) that is composed of multiple independent models, LC treats a single deep model as a…

计算机视觉与模式识别 · 计算机科学 2017-04-06 Xiaoxiao Li , Ziwei Liu , Ping Luo , Chen Change Loy , Xiaoou Tang

Previous studies have shown the great potential of capsule networks for the spatial contextual feature extraction from {hyperspectral images (HSIs)}. However, the sampling locations of the convolutional kernels of capsules are fixed and…

计算机视觉与模式识别 · 计算机科学 2021-04-27 Jinping Wang , Xiaojun Tan , Jianhuang Lai , Jun Li , Canqun Xiang

This paper presents an efficient module named spatial bottleneck for accelerating the convolutional layers in deep neural networks. The core idea is to decompose convolution into two stages, which first reduce the spatial resolution of the…

计算机视觉与模式识别 · 计算机科学 2018-09-10 Junran Peng , Lingxi Xie , Zhaoxiang Zhang , Tieniu Tan , Jingdong Wang

Convolution has been playing a prominent role in various applications in science and engineering for many years. It is the most important operation in convolutional neural networks. There has been a recent growth of interests of research in…

机器学习 · 计算机科学 2018-12-11 Stefan C. Schonsheck , Bin Dong , Rongjie Lai

Recently, some large kernel convnets strike back with appealing performance and efficiency. However, given the square complexity of convolution, scaling up kernels can bring about an enormous amount of parameters and the proliferated…

计算机视觉与模式识别 · 计算机科学 2024-03-19 Honghao Chen , Xiangxiang Chu , Yongjian Ren , Xin Zhao , Kaiqi Huang

In medical image segmentation, particularly in UNet-like architectures, upsampling is primarily used to transform smaller feature maps into larger ones, enabling feature fusion between encoder and decoder features and supporting multi-scale…

计算机视觉与模式识别 · 计算机科学 2026-01-27 Chengkun Sun , Jinqian Pan , Renjie Liang , Zhengkang Fan , Xin Miao , Jiang Bian , Jie Xu

Although equirectangular projection (ERP) is a convenient form to store omnidirectional images (also known as 360-degree images), it is neither equal-area nor conformal, thus not friendly to subsequent visual communication. In the context…

图像与视频处理 · 电气工程与系统科学 2021-12-28 Mu Li , Kede Ma , Jinxing Li , David Zhang

Recently, convolutional neural network (CNN) techniques have gained popularity as a tool for hyperspectral image classification (HSIC). To improve the feature extraction efficiency of HSIC under the condition of limited samples, the current…

计算机视觉与模式识别 · 计算机科学 2023-04-06 Hongmin Gao , Zhonghao Chen , Chenming Li

Applying feature dependent network weights have been proved to be effective in many fields. However, in practice, restricted by the enormous size of model parameters and memory footprints, scalable and versatile dynamic convolutions with…

计算机视觉与模式识别 · 计算机科学 2021-08-19 Ze Wang , Zichen Miao , Jun Hu , Qiang Qiu