中文
相关论文

相关论文: ReF -- Rotation Equivariant Features for Local Fea…

200 篇论文

Place recognition is one of the most challenging problems in computer vision, and has become a key part in mobile robotics and autonomous driving applications for performing loop closure in visual SLAM systems. Moreover, the difficulty of…

计算机视觉与模式识别 · 计算机科学 2015-05-28 Ruben Gomez-Ojeda , Manuel Lopez-Antequera , Nicolai Petkov , Javier Gonzalez-Jimenez

Modeling non-stationary processes, where statistical properties vary across the input domain, is a critical challenge in machine learning; yet most scalable methods rely on a simplifying assumption of stationarity. This forces a difficult…

机器学习 · 计算机科学 2026-02-03 Sawan Kumar , Souvik Chakraborty

In the contemporary of deep learning, where models often grapple with the challenge of simultaneously achieving robustness against adversarial attacks and strong generalization capabilities, this study introduces an innovative Local Feature…

计算机视觉与模式识别 · 计算机科学 2024-07-19 Yunpeng Gong , Chuangliang Zhang , Yongjie Hou , Lifei Chen , Min Jiang

Recently, learning equivariant representations has attracted considerable research attention. Dieleman et al. introduce four operations which can be inserted into convolutional neural network to learn deep representations equivariant to…

计算机视觉与模式识别 · 计算机科学 2018-03-01 Junying Li , Zichen Yang , Haifeng Liu , Deng Cai

This paper tackles the simultaneous optimization of pose and Neural Radiance Fields (NeRF). Departing from the conventional practice of using explicit global representations for camera pose, we propose a novel overparameterized…

计算机视觉与模式识别 · 计算机科学 2024-07-18 Shin-Fang Chng , Ravi Garg , Hemanth Saratchandran , Simon Lucey

Rotation is among the long prevailing, yet still unresolved, hard challenges encountered in visual object tracking. The existing deep learning-based tracking algorithms use regular CNNs that are inherently translation equivariant, but not…

计算机视觉与模式识别 · 计算机科学 2020-12-25 Deepak K. Gupta , Devanshu Arya , Efstratios Gavves

Performance of neural networks can be significantly improved by encoding known invariance for particular tasks. Many image classification tasks, such as those related to cellular imaging, exhibit invariance to rotation. We present a novel…

机器学习 · 统计学 2018-06-01 Benjamin Chidester , Minh N. Do , Jian Ma

State-of-the-art deep learning systems often require large amounts of data and computation. For this reason, leveraging known or unknown structure of the data is paramount. Convolutional neural networks (CNNs) are successful examples of…

计算机视觉与模式识别 · 计算机科学 2020-12-07 Carlos Esteves

In computer vision, finding point correspondence among images plays an important role in many applications, such as image stitching, image retrieval, visual localization, etc. Most of the research worksfocus on the matching of local feature…

计算机视觉与模式识别 · 计算机科学 2022-11-08 Yueh-Cheng Huang , Ching-Huai Yang , Chen-Tao Hsu , Jen-Hui Chuang

Local feature matching is an essential technique in image matching and plays a critical role in a wide range of vision-based applications. However, existing Transformer-based detector-free local feature matching methods encounter challenges…

计算机视觉与模式识别 · 计算机科学 2024-10-31 Naijian Cao , Renjie He , Yuchao Dai , Mingyi He

Convolutional Neural Networks (CNN) based image reconstruction methods have been intensely used for X-ray computed tomography (CT) reconstruction applications. Despite great success, good performance of this data-based approach critically…

计算机视觉与模式识别 · 计算机科学 2019-01-31 Ziling Wu , Abdulaziz Alorf , Ting Yang , Ling Li , Yunhui Zhu

Methods that combine local and global features have recently shown excellent performance on multiple challenging deep image retrieval benchmarks, but their use of local features raises at least two issues. First, these local features simply…

计算机视觉与模式识别 · 计算机科学 2022-02-01 Philippe Weinzaepfel , Thomas Lucas , Diane Larlus , Yannis Kalantidis

In visual scene understanding tasks, it is essential to capture both invariant and equivariant structure. While neural networks are frequently trained to achieve invariance to transformations such as translation, this often comes at the…

计算机视觉与模式识别 · 计算机科学 2026-03-25 Lazar Supic , Alec Mullen , E. Paxon Frady

This paper develops alternative hyperparameters for specifying sparse Recurrent Neural Networks (RNNs). These hyperparameters allow for varying sparsity within the trainable weight matrices of the model while improving overall performance.…

机器学习 · 计算机科学 2025-09-19 Quincy Hershey , Randy Paffenroth

Given a degraded input image, image restoration aims to recover the missing high-quality image content. Numerous applications demand effective image restoration, e.g., computational photography, surveillance, autonomous vehicles, and remote…

图像与视频处理 · 电气工程与系统科学 2022-05-04 Syed Waqas Zamir , Aditya Arora , Salman Khan , Munawar Hayat , Fahad Shahbaz Khan , Ming-Hsuan Yang , Ling Shao

Many real-world 3D reconstruction applications demand photorealism and metric accuracy across unbounded, complex scenes with challenging lighting and imperfect captures that current Neural Radiance Field (NeRF) pipelines only partly…

计算机视觉与模式识别 · 计算机科学 2026-05-28 Vladislav Polianskii , Elijs Dima , Isabel Salmerón Marazuela , Gergő László Nagy , Sigurdur Sverrisson , Volodya Grancharov

This paper is about reducing the cost of building good large-scale 3D reconstructions post-hoc. We render 2D views of an existing reconstruction and train a convolutional neural network (CNN) that refines inverse-depth to match a…

计算机视觉与模式识别 · 计算机科学 2020-01-23 Ştefan Săftescu , Paul Newman

Matching two images while estimating their relative geometry is a key step in many computer vision applications. For decades, a well-established pipeline, consisting of SIFT, RANSAC, and 8-point algorithm, has been used for this task.…

计算机视觉与模式识别 · 计算机科学 2019-09-13 Jia-Wang Bian , Yu-Huan Wu , Ji Zhao , Yun Liu , Le Zhang , Ming-Ming Cheng , Ian Reid

In this work, we address the problem of improvement of robustness of feature representations learned using convolutional neural networks (CNNs) to image deformation. We argue that higher moment statistics of feature distributions could be…

计算机视觉与模式识别 · 计算机科学 2017-07-26 Zhun Sun , Mete Ozay , Takayuki Okatani

Learning discriminative image feature embeddings is of great importance to visual recognition. To achieve better feature embeddings, most current methods focus on designing different network structures or loss functions, and the estimated…

计算机视觉与模式识别 · 计算机科学 2019-08-15 Suichan Li , Dapeng Chen , Bin Liu , Nenghai Yu , Rui Zhao