Hierarchical structure-and-motion recovery from uncalibrated images
This paper addresses the structure-and-motion problem, that requires to find camera motion
and 3D structure from point matches. A new pipeline, dubbed Samantha, is presented, that …
and 3D structure from point matches. A new pipeline, dubbed Samantha, is presented, that …
Practical autocalibration
R Gherardi, A Fusiello - Computer Vision–ECCV 2010: 11th European …, 2010 - Springer
As it has been noted several times in literature, the difficult part of autocalibration efforts
resides in the structural non-linearity of the search for the plane at infinity. In this paper we …
resides in the structural non-linearity of the search for the plane at infinity. In this paper we …
A large scale study to understand the relation between twitter and financial market
L Cazzoli, R Sharma, M Treccani… - 2016 third European …, 2016 - ieeexplore.ieee.org
Twitter has transformed from an online platform for communication to a mega content
generator for all kinds of topics. The topic of posts (or tweets) generated on Twitter cover …
generator for all kinds of topics. The topic of posts (or tweets) generated on Twitter cover …
Crowdsourced 3D mapping: a combined multi-view geometry and self-supervised learning approach
The ability to efficiently utilize crowd-sourced visual data carries immense potential for the
domains of large scale dynamic mapping and autonomous driving. However, state-of-the-art …
domains of large scale dynamic mapping and autonomous driving. However, state-of-the-art …
Is dual linear self-calibration artificially ambiguous?
This purely theoretical work investigates the problem of artificial singularities in camera self-
calibration. Self-calibration allows one to upgrade a projective reconstruction to metric and …
calibration. Self-calibration allows one to upgrade a projective reconstruction to metric and …
Efficient pruning lmi conditions for branch-and-prune rank and chirality-constrained estimation of the dual absolute quadric
A Habed, D Pani Paudel… - Proceedings of the …, 2014 - cv-foundation.org
We present a new globally optimal algorithm for self-calibrating a moving camera with
constant parameters. Our method aims at estimating the Dual Absolute Quadric (DAQ) under …
constant parameters. Our method aims at estimating the Dual Absolute Quadric (DAQ) under …
Maximum likelihood autocalibration
This paper addresses the problem of autocalibration, which is a critical step in existing
uncalibrated structure from motion algorithms that utilize an initialization to avoid the local …
uncalibrated structure from motion algorithms that utilize an initialization to avoid the local …
多视点中固定焦距值的全局优化求解
陈京， 袁保宗， 苗振江， 唐晓芳 - 电子学报, 2012 - ejournal.org.cn
相机标定是从二维图像获取三维信息的必要步骤, 本文讨论了多视点图像中固定焦距的自标定
问题. 在绝对对偶二次曲面的成像方程基础上, 把固定焦距作为独立未知量纳入到目标函数中 …
问题. 在绝对对偶二次曲面的成像方程基础上, 把固定焦距作为独立未知量纳入到目标函数中 …
未知主点条件的相机焦距自标定方法.
唐荣富， 邓宝松， 赵竹新 - Application Research of …, 2020 - search.ebscohost.com
对于双目相机焦距自标定, 当前研究方法均假定相机主点位置已知, 而相机主点在实际中却通常
是未知的, 提出一种主点和场景均未知的条件下相机焦距自标定的新方法, 通过严格的数学分析 …
是未知的, 提出一种主点和场景均未知的条件下相机焦距自标定的新方法, 通过严格的数学分析 …
System and method for computing the 3D position of a semantic landmark in images from the real world
Abstract Systems arranged to implement methods for positioning a semantic landmark in an
image from the real world during a continuous motion of a monocular camera providing said …
image from the real world during a continuous motion of a monocular camera providing said …