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In this paper, a complete pipeline for image-based 3D reconstruction of urban scenarios is proposed, based on PatchMatch Multi-View Stereo (MVS). Input images are firstly fed into an off-the-shelf visual SLAM system to extract camera poses…

Computer Vision and Pattern Recognition · Computer Science 2022-07-19 Marco Orsingher , Paolo Zani , Paolo Medici , Massimo Bertozzi

Video restoration (e.g., video super-resolution) aims to restore high-quality frames from low-quality frames. Different from single image restoration, video restoration generally requires to utilize temporal information from multiple…

Computer Vision and Pattern Recognition · Computer Science 2022-06-16 Jingyun Liang , Jiezhang Cao , Yuchen Fan , Kai Zhang , Rakesh Ranjan , Yawei Li , Radu Timofte , Luc Van Gool

Making multi-camera visual SLAM systems easier to set up and more robust to the environment is attractive for vision robots. Existing monocular and binocular vision SLAM systems have narrow sensing Field-of-View (FoV), resulting in…

Robotics · Computer Science 2025-03-26 Huai Yu , Junhao Wang , Yao He , Wen Yang , Gui-Song Xia

Vision Transformer (ViT) models have recently emerged as powerful and versatile models for various visual tasks. Recently, a work called PMF has achieved promising results in few-shot image classification by utilizing pre-trained vision…

Computer Vision and Pattern Recognition · Computer Science 2023-09-19 Junjie Zhu , Yiying Li , Chunping Qiu , Ke Yang , Naiyang Guan , Xiaodong Yi

Signal models based on sparse representations have received considerable attention in recent years. On the other hand, deep models consisting of a cascade of functional layers, commonly known as deep neural networks, have been highly…

Image and Video Processing · Electrical Eng. & Systems 2022-01-19 Xikai Yang , Yong Long , Saiprasad Ravishankar

Bin-picking of metal objects using low-cost RGB-D cameras often suffers from sparse depth information and reflective surface textures, leading to errors and the need for manual labeling. To reduce human intervention, we propose a two-stage…

Computer Vision and Pattern Recognition · Computer Science 2025-08-19 Peiyuan Ni , Chee Meng Chew , Marcelo H. Ang , Gregory S. Chirikjian

Relative pose estimation using point correspondences (PC) is a widely used technique. A minimal configuration of six PCs is required for two views of generalized cameras. In this paper, we present several minimal solvers that use six PCs to…

Computer Vision and Pattern Recognition · Computer Science 2024-11-14 Banglei Guan , Ji Zhao , Laurent Kneip

While significant progress has been made in single-view 3D human pose estimation, multi-view 3D human pose estimation remains challenging, particularly in terms of generalizing to new camera configurations. Existing attention-based…

Computer Vision and Pattern Recognition · Computer Science 2025-09-03 Aviral Chharia , Wenbo Gou , Haoye Dong

We present a robust multiple manifolds structure learning (RMMSL) scheme to robustly estimate data structures under the multiple low intrinsic dimensional manifolds assumption. In the local learning stage, RMMSL efficiently estimates local…

Machine Learning · Computer Science 2012-06-22 Dian Gong , Xuemei Zhao , Gerard Medioni

Three-dimensional digital urban reconstruction from multi-view aerial images is a critical application where deep multi-view stereo (MVS) methods outperform traditional techniques. However, existing methods commonly overlook the key…

Computer Vision and Pattern Recognition · Computer Science 2025-06-09 Yimei Liu , Yakun Ju , Yuan Rao , Hao Fan , Junyu Dong , Feng Gao , Qian Du

This paper addresses the problem of vehicle-mounted camera localization by matching a ground-level image with an overhead-view satellite map. Existing methods often treat this problem as cross-view image retrieval, and use learned deep…

Computer Vision and Pattern Recognition · Computer Science 2022-09-07 Yujiao Shi , Hongdong Li

We present a real-time visual-inertial dense mapping method capable of performing incremental 3D mesh reconstruction with high quality using only sequential monocular images and inertial measurement unit (IMU) readings. 6-DoF camera poses…

Computer Vision and Pattern Recognition · Computer Science 2023-08-29 Yingye Xin , Xingxing Zuo , Dongyue Lu , Stefan Leutenegger

This paper presents a convolutional neural network based approach for estimating the relative pose between two cameras. The proposed network takes RGB images from both cameras as input and directly produces the relative rotation and…

Computer Vision and Pattern Recognition · Computer Science 2017-07-31 Iaroslav Melekhov , Juha Ylioinas , Juho Kannala , Esa Rahtu

Platforms such as robots, security cameras, drones and satellites are used in multi-view imaging for three-dimensional (3D) recovery by stereoscopy or tomography. Each camera in the setup has a field of view (FOV). Multi-view analysis…

Computer Vision and Pattern Recognition · Computer Science 2024-08-01 Vadim Holodovsky , Masada Tzabari , Yoav Schechner , Alex Frid , Klaus Schilling

Multi-view visual reasoning is essential for intelligent systems that must understand complex environments from sparse and discrete viewpoints, yet existing research has largely focused on single-image or temporally dense video settings. In…

Computer Vision and Pattern Recognition · Computer Science 2026-03-19 Fucai Ke , Zhixi Cai , Boying Li , Long Chen , Beibei Lin , Weiqing Wang , Pari Delir Haghighi , Gholamreza Haffari , Hamid Rezatofighi

In synthetic aperture radar (SAR) image change detection, it is quite challenging to exploit the changing information from the noisy difference image subject to the speckle. In this paper, we propose a multi-scale spatial pooling (MSSP)…

Computer Vision and Pattern Recognition · Computer Science 2020-05-25 Jia-Wei Chen , Rongfang Wang , Fan Ding , Bo Liu , Licheng Jiao , Jie Zhang

Automatic calibration of multi-camera systems, namely the accurate estimation of spatial extrinsic parameters, is fundamental for 3D reconstruction, panoramic perception, and multi-view data fusion. Existing methods typically rely on…

Computer Vision and Pattern Recognition · Computer Science 2026-02-06 Chentian Sun

Generative deep learning has sparked a new wave of Super-Resolution (SR) algorithms that enhance single images with impressive aesthetic results, albeit with imaginary details. Multi-frame Super-Resolution (MFSR) offers a more grounded…

Computer Vision and Pattern Recognition · Computer Science 2020-02-19 Michel Deudon , Alfredo Kalaitzis , Israel Goytom , Md Rifat Arefin , Zhichao Lin , Kris Sankaran , Vincent Michalski , Samira E. Kahou , Julien Cornebise , Yoshua Bengio

We introduce a novel learning-based method to reconstruct the high-quality geometry and complex, spatially-varying BRDF of an arbitrary object from a sparse set of only six images captured by wide-baseline cameras under collocated point…

Computer Vision and Pattern Recognition · Computer Science 2020-07-07 Sai Bi , Zexiang Xu , Kalyan Sunkavalli , David Kriegman , Ravi Ramamoorthi

We introduce MV-DeepSimNets, a comprehensive suite of deep neural networks designed for multi-view similarity learning, leveraging epipolar geometry for training. Our approach incorporates an online geometry prior to characterize pixel…

Computer Vision and Pattern Recognition · Computer Science 2025-05-19 Mohamed Ali Chebbi , Ewelina Rupnik , Paul Lopes , Marc Pierrot-Deseilligny