Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Erik Ringaby"'
Autor:
Ola Friman, Thomas Olsvik Opsahl, Per-Erik Forssén, Ingebjørg Kåsen, Erik Ringaby, Trym Vegard Haavardsholm
Publikováno v:
IEEE Transactions on Image Processing. 23:2302-2314
This article deals with fast and accurate visualization of pushbroom image data from airborne and spaceborne platforms. A pushbroom sensor acquires images in a line-scanning fashion, and this results in scattered input data that needs to be resampled
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9162210067fb8fcbf385b4700771b723
https://doi.org/10.1109/tip.2014.2316377
https://doi.org/10.1109/tip.2014.2316377
Autor:
Erik Ringaby, Per-Erik Forssén
Publikováno v:
International Journal of Computer Vision. 96:335-352
This article presents a method for rectifying and stabilising video from cell-phones with rolling shutter (RS) cameras. Due to size constraints, cell-phone cameras have constant, or near constant focal length, making them an ideal application for cal
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bd22eb3e8fd2ed2789577995eae4289
https://doi.org/10.1007/s11263-011-0465-8
https://doi.org/10.1007/s11263-011-0465-8
Publikováno v:
Computer Vision--ACCV 2014 ISBN: 9783319168166
ACCV (4)
ACCV (4)
We present a novel approach for segmenting different motions from 3D trajectories. Our approach uses the theory of transformation groups to derive a set of invariants of 3D points located on the same rigid object. These invariants are inexpensive to
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5379a6dadb292904d1e80a844af81d09
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-114313
http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-114313
Autor:
Per-Erik Forssén, Erik Ringaby
Publikováno v:
ICCP
We propose an algorithm that can capture sharp, low-noise images in low-light conditions on a hand-held smartphone. We make use of the recent ability to acquire bursts of high resolution images on high-end models such as the iPhone5s. Frames are alig
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7c17823325e9903701d17e069801ce65
https://doi.org/10.1109/iccphot.2014.6831799
https://doi.org/10.1109/iccphot.2014.6831799
Publikováno v:
CVPR
This paper introduces a bundle adjustment (BA) method that obtains accurate structure and motion from rolling shutter (RS) video sequences: RSBA. When a classical BA algorithm processes a rolling shutter video, the resultant camera trajectory is brit
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e28f38c94296e1729d0355ff552d31f7
https://doi.org/10.1109/cvpr.2012.6247831
https://doi.org/10.1109/cvpr.2012.6247831
Autor:
Gustav Hanning, Per-Erik Forssén, Nicklas Forslow, Erik Ringaby, Jonas Callmer, David Törnqvist
Publikováno v:
ICCV Workshops
We present a system that rectifies and stabilizes video sequences on mobile devices with rolling-shutter cameras. The system corrects for rolling-shutter distortions using measurements from accelerometer and gyroscope sensors, and a 3D rotational dis
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1ccc0beba484212e0d0c6c6acecdbd55
https://doi.org/10.1109/iccvw.2011.6130215
https://doi.org/10.1109/iccvw.2011.6130215
Autor:
Per-Erik Forssén, Erik Ringaby
Publikováno v:
ICCV
Structured light range sensors, such as the Microsoft Kinect, have recently become popular as perception devices for computer vision and robotic systems. These sensors use CMOS imaging chips with electronic rolling shutters (ERS). When using such a s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cd1ec976d32ce43c9bfb5b528ce6f45f
https://doi.org/10.1109/iccv.2011.6126417
https://doi.org/10.1109/iccv.2011.6126417
Publikováno v:
SPIE Proceedings.
We have performed a field trial with an airborne push-broom hyperspectral sensor, making several flights over the same area and with known changes (e.g., moved vehicles) between the flights. Each flight results in a sequence of scan lines forming an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f0144f9241a2c08e845379ef73919694
https://doi.org/10.1117/12.865034
https://doi.org/10.1117/12.865034
Autor:
Per-Erik Forssén, Erik Ringaby
Publikováno v:
CVPR
This paper presents a method for rectifying video sequences from rolling shutter (RS) cameras. In contrast to previous RS rectification attempts we model distortions as being caused by the 3D motion of the camera. The camera motion is parametrised as
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7dc9c40e43b06392e3cac6748fa33cae
https://doi.org/10.1109/cvpr.2010.5540173
https://doi.org/10.1109/cvpr.2010.5540173