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Disconnectivity and distortion are the two problems which must be coped with when processing 360 degrees equirectangular images. In this paper, we propose a method of estimating the depth of monocular panoramic image with a teacher-student…

Computer Vision and Pattern Recognition · Computer Science 2024-07-18 Jingguo Liu , Yijun Xu , Shigang Li , Jianfeng Li

We address the problem of epipolar geometry using the motion of silhouettes. Such methods match epipolar lines or frontier points across views, which are then used as the set of putative correspondences. We introduce an approach that…

Computer Vision and Pattern Recognition · Computer Science 2017-04-17 Gil Ben-Artzi

As a crucial task of autonomous driving, 3D object detection has made great progress in recent years. However, monocular 3D object detection remains a challenging problem due to the unsatisfactory performance in depth estimation. Most…

Computer Vision and Pattern Recognition · Computer Science 2024-04-25 Yinmin Zhang , Xinzhu Ma , Shuai Yi , Jun Hou , Zhihui Wang , Wanli Ouyang , Dan Xu

Monocular visual odometry (VO) is an important task in robotics and computer vision. Thus far, how to build accurate and robust monocular VO systems that can work well in diverse scenarios remains largely unsolved. In this paper, we propose…

Computer Vision and Pattern Recognition · Computer Science 2022-04-05 Libo Sun , Wei Yin , Enze Xie , Zhengrong Li , Changming Sun , Chunhua Shen

Recovering structure and motion parameters given a image pair or a sequence of images is a well studied problem in computer vision. This is often achieved by employing Structure from Motion (SfM) or Simultaneous Localization and Mapping…

Computer Vision and Pattern Recognition · Computer Science 2018-11-07 Thanuja Dharmasiri , Andrew Spek , Tom Drummond

Projection map (PM) from optical coherence tomography (OCT) B-scan is an important tool to diagnose retinal diseases, which typically requires retinal layer segmentation. In this study, we present a novel end-to-end framework to predict PMs…

Image and Video Processing · Electrical Eng. & Systems 2022-06-14 Dingyi Rong , Jiancheng Yang , Bingbing Ni , Bilian Ke

Joint camera pose and dense geometry estimation from a set of images or a monocular video remains a challenging problem due to its computational complexity and inherent visual ambiguities. Most dense incremental reconstruction systems…

Computer Vision and Pattern Recognition · Computer Science 2024-04-18 Kirill Mazur , Gwangbin Bae , Andrew J. Davison

Reliable depth estimation from spherical images is crucial for 360{\deg} vision in robotic navigation and immersive scene understanding. However, the onboard spherical camera can experience unintentional pose variations in real-world…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Soulayma Gazzeh , Giuseppe Mazzola , Liliana Lo Presti , Marco La Cascia

Computing the epipolar geometry from feature points between cameras with very different viewpoints is often error prone, as an object's appearance can vary greatly between images. For such cases, it has been shown that using motion…

Computer Vision and Pattern Recognition · Computer Science 2018-12-18 Tavi Halperin , Michael Werman

As processing power has become more available, more human-like artificial intelligences are created to solve image processing tasks that we are inherently good at. As such we propose a model that estimates depth from a monocular image. Our…

Computer Vision and Pattern Recognition · Computer Science 2019-05-14 Fabian Truetsch , Alfred Schöttl

Monocular depth estimation is a highly challenging problem that is often addressed with deep neural networks. While these are able to use recognition of image features to predict reasonably looking depth maps the result often has low metric…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Patrik Persson , Linn Öström , Carl Olsson

Why does our visual system fail to reconstruct reality, when we look at certain patterns? Where do Geometrical illusions start to emerge in the visual pathway? How far should we take computational models of vision with the same visual…

Computer Vision and Pattern Recognition · Computer Science 2017-09-14 Nasim Nematzadeh , David M. W. Powers , Trent W. Lewis

Many problems in computer vision can be formulated as geometric estimation problems, i.e. given a collection of measurements (e.g. point correspondences) we wish to fit a model (e.g. an essential matrix) that agrees with our observations.…

Computer Vision and Pattern Recognition · Computer Science 2024-05-14 Felix Rydell , Angélica Torres , Viktor Larsson

In this paper, we propose a novel method for monocular depth estimation in dynamic scenes. We first explore the arbitrariness of object's movement trajectory in dynamic scenes theoretically. To overcome the arbitrariness, we use assume that…

Computer Vision and Pattern Recognition · Computer Science 2024-11-08 Kebin Peng , John Quarles , Kevin Desai

We propose using global orientation from inertial measurements, and the bias it induces on the shape of objects populating the scene, to inform visual 3D reconstruction. We test the effect of using the resulting prior in depth prediction…

Computer Vision and Pattern Recognition · Computer Science 2019-06-13 Xiaohan Fei , Alex Wong , Stefano Soatto

In this paper we formulate structure from motion as a learning problem. We train a convolutional network end-to-end to compute depth and camera motion from successive, unconstrained image pairs. The architecture is composed of multiple…

Computer Vision and Pattern Recognition · Computer Science 2018-01-18 Benjamin Ummenhofer , Huizhong Zhou , Jonas Uhrig , Nikolaus Mayer , Eddy Ilg , Alexey Dosovitskiy , Thomas Brox

Reliable spatial information can be difficult to obtain in planetary remote sensing applications because of errors present in the metadata of images taken with space probes. We have designed a pipeline to address this problem on…

Instrumentation and Methods for Astrophysics · Physics 2020-09-07 Ines Belgacem , Grégory Jonniaux , Frédéric Schmidt

In this paper a deterministic preprocessing algorithm is presented, whose output can be given as input to most state-of-the-art epipolar geometry estimation algorithms, improving their results considerably. They are now able to succeed on…

Computer Vision and Pattern Recognition · Computer Science 2015-01-28 Maria Kushnir , Ilan Shimshoni

The depth of a visible surface of a scene is the distance between the surface and the sensor. Recovering depth information from two-dimensional images of a scene is an important task in computer vision that can assist numerous applications…

Computer Vision and Pattern Recognition · Computer Science 2010-12-30 Kaushik K Tiwari

Predicting the pose of objects from a single image is an important but difficult computer vision problem. Methods that predict a single point estimate do not predict the pose of objects with symmetries well and cannot represent uncertainty.…

Computer Vision and Pattern Recognition · Computer Science 2023-02-28 David M. Klee , Ondrej Biza , Robert Platt , Robin Walters