Autocalibration of lidar and optical cameras via edge alignment

J Castorena, US Kamilov… - 2016 IEEE International …, 2016 - ieeexplore.ieee.org
… an optical camera. Our approach exploits the natural alignment of depth and intensity edges
… do not require the presence or identification of known alignment targets. On the other hand, …

Robust camera motion estimation using direct edge alignment and sub-gradient method

M Kuse, S Shen - 2016 IEEE international conference on …, 2016 - ieeexplore.ieee.org
… In this work, we present a direct edge alignment approach for 6-DOF tracking. We argue that
… can significantly extend the influence of the edges for tracking. We address the problem of …

Viewfinder alignment

A Adams, N Gelfand, K Pulli - Computer Graphics Forum, 2008 - Wiley Online Library
… also rotate the camera about its optical axis. If she rotates … To align two digests, we first
align the image edges using the … the extraction and alignment of our edge and point features. …

Canny-vo: Visual odometry with rgb-d cameras based on geometric 3-d–2-d edge alignment

Y Zhou, H Li, L Kneip - IEEE Transactions on Robotics, 2018 - ieeexplore.ieee.org
… all Canny edge features extracted from the images. Two replacements for the distance
transformation commonly used in edge … 3-D–2-D edge alignment benefits from these alternative …

Camera resolution and distortion: Advanced edge fitting

PD Burns, D Williams - Electronic Imaging, 2018 - library.imaging.org
… For example, standard software programs do not require a precise alignment of the edge
the SFR evaluation of cameras by introducing circular test edges. For many cameras, a radial …

Model-based global localization for aerial robots using edge alignment

K Qiu, T Liu, S Shen - IEEE Robotics and Automation Letters, 2017 - ieeexplore.ieee.org
… ) alignment-based methods. Our edge alignment-based method functions properly as edges
… We only project the edges of the virtual camera image onto the stabilized image for residual …

Precision alignment of optical fibers based on telecentric stereo microvision

Z Chen, D Zhou, H Liao, X Zhang - IEEE/ASME Transactions on …, 2016 - ieeexplore.ieee.org
edge points of the glass core, the next left edge point Ak+1 in the (vk + h)th row is predicted
to be on the extension of the previous edgealigning two optical fibers with two cameras is a …

Realtime edge-based visual odometry for a monocular camera

JJ Tarrio, S Pedre - … of the IEEE International Conference on …, 2015 - openaccess.thecvf.com
… RGBD cameras has been reported by Kerl et al. [8], this work deals mainly with the problem
of image alignment … [7] reported a mixed method that combines direct image alignment with …

Ego-motion estimation with stereo cameras using efficient 3D–2D edge correspondences

H Yin, PX Liu, M Zheng - IEEE Transactions on Instrumentation …, 2022 - ieeexplore.ieee.org
… This article has presented a method of ego-motion estimation for stereo cameras using
3D–2D edge alignment. We apply efficiency preprocessing steps. One is salient …

Edge alignment-based visual–inertial fusion for tracking of aggressive motions

Y Ling, M Kuse, S Shen - Autonomous Robots, 2018 - Springer
… changing lighting conditions or camera exposures compared to … , we propose to perform an
edge alignment self check and IMU-… camera motion estimation, which we refer to as the edge