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In recent years, Fully Convolutional Networks (FCN) has been widely used in various semantic segmentation tasks, including multi-modal remote sensing imagery. How to fuse multi-modal data to improve the segmentation performance has always…

Computer Vision and Pattern Recognition · Computer Science 2018-07-25 Shihao Sun , Lei Yang , Wenjie Liu , Ruirui Li

Different layers of deep convolutional neural networks(CNNs) can encode different-level information. High-layer features always contain more semantic information, and low-layer features contain more detail information. However, low-layer…

Computer Vision and Pattern Recognition · Computer Science 2024-11-27 Chen Du , Chunheng Wang , Yanna Wang , Cunzhao Shi , Baihua Xiao

Both self-supervised depth estimation and Structure-from-Motion (SfM) recover scene depth from RGB videos. Despite sharing a similar objective, the two approaches are disconnected. Prior works of self-supervision backpropagate losses…

Computer Vision and Pattern Recognition · Computer Science 2024-08-08 Shengjie Zhu , Xiaoming Liu

Convolutional Neural Networks (CNNs) have achieved superior performance on object image retrieval, while Bag-of-Words (BoW) models with handcrafted local features still dominate the retrieval of overlapping images in 3D reconstruction. In…

Computer Vision and Pattern Recognition · Computer Science 2018-12-11 Tianwei Shen , Zixin Luo , Lei Zhou , Runze Zhang , Siyu Zhu , Tian Fang , Long Quan

We address the task of estimating camera parameters from a set of images depicting a scene. Popular feature-based structure-from-motion (SfM) tools solve this task by incremental reconstruction: they repeat triangulation of sparse 3D points…

Computer Vision and Pattern Recognition · Computer Science 2024-07-29 Eric Brachmann , Jamie Wynn , Shuai Chen , Tommaso Cavallari , Áron Monszpart , Daniyar Turmukhambetov , Victor Adrian Prisacariu

Structure from Motion (SfM) refers to the problem of recovering both structure (i.e., 3D coordinates of points in the scene) and motion (i.e., camera matrices) starting from point correspondences in multiple images. It has attracted…

Computer Vision and Pattern Recognition · Computer Science 2025-05-22 Federica Arrigoni

Recently, Convolution Neural Networks (CNNs) obtained huge success in numerous vision tasks. In particular, DenseNets have demonstrated that feature reuse via dense skip connections can effectively alleviate the difficulty of training very…

Machine Learning · Computer Science 2018-10-04 Mingjie Wang , Jun Zhou , Wendong Mao , Minglun Gong

Convolutional neural network (CNN) has led to significant progress in object detection. In order to detect the objects in various sizes, the object detectors often exploit the hierarchy of the multi-scale feature maps called feature…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Jin Hyeok Yoo , Dongsuk Kum , Jun Won Choi

Visualizing the perceptual content by analyzing human functional magnetic resonance imaging (fMRI) has been an active research area. However, due to its high dimensionality, complex dimensional structure, and small number of samples…

Computer Vision and Pattern Recognition · Computer Science 2019-01-27 Yunfeng Lin , Jiangbei Li , Hanjing Wang

In this paper, we tackle the accurate and consistent Structure from Motion (SfM) problem, in particular camera registration, far exceeding the memory of a single computer in parallel. Different from the previous methods which drastically…

Computer Vision and Pattern Recognition · Computer Science 2017-06-06 Siyu Zhu , Tianwei Shen , Lei Zhou , Runze Zhang , Jinglu Wang , Tian Fang , Long Quan

Non-rigid structure-from-motion (NRSfM), a promising technique for addressing the mapping challenges in monocular visual deformable simultaneous localization and mapping (SLAM), has attracted growing attention. We introduce a novel method,…

Computer Vision and Pattern Recognition · Computer Science 2025-10-03 Yongbo Chen , Yanhao Zhang , Shaifali Parashar , Liang Zhao , Shoudong Huang

Despite that convolutional neural networks (CNN) have recently demonstrated high-quality reconstruction for single-image super-resolution (SR), recovering natural and realistic texture remains a challenging problem. In this paper, we show…

Computer Vision and Pattern Recognition · Computer Science 2018-04-10 Xintao Wang , Ke Yu , Chao Dong , Chen Change Loy

In this work, we propose a novel Convolutional Neural Network (CNN) architecture for the joint detection and matching of feature points in images acquired by different sensors using a single forward pass. The resulting feature detector is…

Computer Vision and Pattern Recognition · Computer Science 2021-06-17 Elad Ben Baruch , Yosi Keller

Convolutional Neural Networks (CNNs) achieve state-of-the-art performance in many computer vision tasks. However, this achievement is preceded by extreme manual annotation in order to perform either training from scratch or fine-tuning for…

Computer Vision and Pattern Recognition · Computer Science 2016-09-08 Filip Radenović , Giorgos Tolias , Ondřej Chum

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…

Robotics · Computer Science 2018-10-31 Stephen Hausler , Adam Jacobson , Michael Milford

The shortage of high-resolution urban digital elevation model (DEM) datasets has been a challenge for modelling urban flood and managing its risk. A solution is to develop effective approaches to reconstruct high-resolution DEMs from their…

Computer Vision and Pattern Recognition · Computer Science 2019-10-09 Ling Jiang , Yang Hu , Xilin Xia , Qiuhua Liang , Andrea Soltoggio

We address the problem of semantic correspondence, that is, establishing a dense flow field between images depicting different instances of the same object or scene category. We propose to use images annotated with binary foreground masks…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Junghyup Lee , Dohyung Kim , Jean Ponce , Bumsub Ham

While the keypoint-based maps created by sparse monocular simultaneous localisation and mapping (SLAM) systems are useful for camera tracking, dense 3D reconstructions may be desired for many robotic tasks. Solutions involving depth cameras…

Computer Vision and Pattern Recognition · Computer Science 2022-07-26 Tristan Laidlow , Jan Czarnowski , Stefan Leutenegger

Recovering 3D structure and camera motion from images has been a long-standing focus of computer vision research and is known as Structure-from-Motion (SfM). Solutions to this problem are categorized into incremental and global approaches.…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Linfei Pan , Dániel Baráth , Marc Pollefeys , Johannes L. Schönberger

Designing implants for large and complex cranial defects is a challenging task, even for professional designers. Current efforts on automating the design process focused mainly on convolutional neural networks (CNN), which have produced…

Computer Vision and Pattern Recognition · Computer Science 2022-04-13 Jianning Li , David G. Ellis , Antonio Pepe , Christina Gsaxner , Michele R. Aizenberg , Jens Kleesiek , Jan Egger