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Monocular visual odometry (VO) has attracted extensive research attention by providing real-time vehicle motion from cost-effective camera images. However, state-of-the-art optimization-based monocular VO methods suffer from the scale…

Computer Vision and Pattern Recognition · Computer Science 2022-03-14 Sen Zhang , Jing Zhang , Dacheng Tao

In computer vision domain, how to fast and accurately perform multiview stereo (MVS) is still a challenging problem. In this paper we present a fast yet accurate method for 3D dense reconstruction, called AMHMVS, built on the PatchMatch…

Computer Vision and Pattern Recognition · Computer Science 2018-05-22 Qingshan Xu , Wenbing Tao

Tomographic synthetic aperture radar (TomoSAR) imaging algorithms based on deep learning can effectively reduce computational costs. The idea of existing researches is to reconstruct the elevation for each range-azimuth cell in…

Signal Processing · Electrical Eng. & Systems 2022-10-06 Yu Ren , Xiaoling Zhang , Yunqiao Hu , Xu Zhan

Self-supervised monocular methods can efficiently learn depth information of weakly textured surfaces or reflective objects. However, the depth accuracy is limited due to the inherent ambiguity in monocular geometric modeling. In contrast,…

Computer Vision and Pattern Recognition · Computer Science 2022-08-22 Xiaofeng Wang , Zheng Zhu , Guan Huang , Xu Chi , Yun Ye , Ziwei Chen , Xingang Wang

We propose a weakly-supervised multi-view learning approach to learn category-specific surface mapping without dense annotations. We learn the underlying surface geometry of common categories, such as human faces, cars, and airplanes, given…

Computer Vision and Pattern Recognition · Computer Science 2021-05-05 Nishant Rai , Aidas Liaudanskas , Srinivas Rao , Rodrigo Ortiz Cayon , Matteo Munaro , Stefan Holzer

We innovate in stereo vision by explicitly providing analytical 3D surface models as viewed by a cyclopean eye model that incorporate depth discontinuities and occlusions. This geometrical foundation combined with learned stereo features…

Computer Vision and Pattern Recognition · Computer Science 2025-03-11 Sherlon Almeida da Silva , Davi Geiger , Luiz Velho , Moacir Antonelli Ponti

We present a novel real-time capable learning method that jointly perceives a 3D scene's geometry structure and semantic labels. Recent approaches to real-time 3D scene reconstruction mostly adopt a volumetric scheme, where a Truncated…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Ziyang Hong , C. Patrick Yue

Accurate layout estimation is crucial for planning and navigation in robotics applications, such as self-driving. In this paper, we introduce the Stereo Bird's Eye ViewNetwork (SBEVNet), a novel supervised end-to-end framework for…

Computer Vision and Pattern Recognition · Computer Science 2021-10-19 Divam Gupta , Wei Pu , Trenton Tabor , Jeff Schneider

Although deep neural networks have been widely applied to computer vision problems, extending them into multiview depth estimation is non-trivial. In this paper, we present MVDepthNet, a convolutional network to solve the depth estimation…

Robotics · Computer Science 2018-07-24 Kaixuan Wang , Shaojie Shen

In many fields, self-supervised learning solutions are rapidly evolving and filling the gap with supervised approaches. This fact occurs for depth estimation based on either monocular or stereo, with the latter often providing a valid…

Computer Vision and Pattern Recognition · Computer Science 2020-08-18 Filippo Aleotti , Fabio Tosi , Li Zhang , Matteo Poggi , Stefano Mattoccia

Bounded by the inherent ambiguity of depth perception, contemporary multi-view 3D object detection methods fall into the performance bottleneck. Intuitively, leveraging temporal multi-view stereo (MVS) technology is the natural knowledge…

Computer Vision and Pattern Recognition · Computer Science 2023-04-11 Yinhao Li , Jinrong Yang , Jianjian Sun , Han Bao , Zheng Ge , Li Xiao

Vessel segmentation of retinal images is a key diagnostic capability in ophthalmology. This problem faces several challenges including low contrast, variable vessel size and thickness, and presence of interfering pathology such as…

Image and Video Processing · Electrical Eng. & Systems 2020-02-19 Venkateswararao Cherukuri , Vijay Kumar BG , Raja Bala , Vishal Monga

We introduce SharpNet, a method that predicts an accurate depth map for an input color image, with a particular attention to the reconstruction of occluding contours: Occluding contours are an important cue for object recognition, and for…

Computer Vision and Pattern Recognition · Computer Science 2019-11-13 Michaël Ramamonjisoa , Vincent Lepetit

We present a novel neural surface reconstruction method called NeuralRoom for reconstructing room-sized indoor scenes directly from a set of 2D images. Recently, implicit neural representations have become a promising way to reconstruct…

Computer Vision and Pattern Recognition · Computer Science 2022-11-29 Yusen Wang , Zongcheng Li , Yu Jiang , Kaixuan Zhou , Tuo Cao , Yanping Fu , Chunxia Xiao

Reconstruction of 3D open surfaces (e.g., non-watertight meshes) is an underexplored area of computer vision. Recent learning-based implicit techniques have removed previous barriers by enabling reconstruction in arbitrary resolutions. Yet,…

Computer Vision and Pattern Recognition · Computer Science 2023-11-07 Mohammad Samiul Arshad , William J. Beksi

We present a method to capture both 3D shape and spatially varying reflectance with a multi-view photometric stereo (MVPS) technique that works for general isotropic materials. Our algorithm is suitable for perspective cameras and nearby…

Computer Vision and Pattern Recognition · Computer Science 2020-01-22 Min Li , Zhenglong Zhou , Zhe Wu , Boxin Shi , Changyu Diao , Ping Tan

In deep multi-view stereo networks, cost regularization is crucial to achieve accurate depth estimation. Since 3D cost volume filtering is usually memory-consuming, recurrent 2D cost map regularization has recently become popular and has…

Computer Vision and Pattern Recognition · Computer Science 2021-10-14 Qingshan Xu , Martin R. Oswald , Wenbing Tao , Marc Pollefeys , Zhaopeng Cui

Learning-based stereo matching has recently achieved promising results, yet still suffers difficulties in establishing reliable matches in weakly matchable regions that are textureless, non-Lambertian, or occluded. In this paper, we address…

Computer Vision and Pattern Recognition · Computer Science 2020-08-12 Jingyang Zhang , Yao Yao , Zixin Luo , Shiwei Li , Tianwei Shen , Tian Fang , Long Quan

Scene and object reconstruction is an important problem in robotics, in particular in planning collision-free trajectories or in object manipulation. This paper compares two strategies for the reconstruction of nonvisible parts of the…

Robotics · Computer Science 2025-01-28 Rafał Staszak , Piotr Michałek , Jakub Chudziński , Marek Kopicki , Dominik Belter

We present MVSGaussian, a new generalizable 3D Gaussian representation approach derived from Multi-View Stereo (MVS) that can efficiently reconstruct unseen scenes. Specifically, 1) we leverage MVS to encode geometry-aware Gaussian…

Computer Vision and Pattern Recognition · Computer Science 2024-07-16 Tianqi Liu , Guangcong Wang , Shoukang Hu , Liao Shen , Xinyi Ye , Yuhang Zang , Zhiguo Cao , Wei Li , Ziwei Liu