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Ricoh Theta prototype - 360° omnidirectional camera connects to your smartphone #DigInfo
Ricoh Theta prototype - 360° omnidirectional camera connects to your smartphone #DigInfo
Published: 2013/02/01
Channel: ikinamo
360° Omnidirectional Camera : DigInfo
360° Omnidirectional Camera : DigInfo
Published: 2007/07/17
Channel: ikinamo
Moving object detection, tracking and following using an omnidirectional camera on a mobile robot
Moving object detection, tracking and following using an omnidirectional camera on a mobile robot
Published: 2014/09/22
Channel: ACROSSProject
Fisheye and Omnidirectional Camera Calibration
Fisheye and Omnidirectional Camera Calibration
Published: 2016/06/20
Channel: 정요한
Omni-Directional Camera Demo
Omni-Directional Camera Demo
Published: 2006/08/19
Channel: haxitup
Large-Scale Direct SLAM for Omnidirectional Cameras
Large-Scale Direct SLAM for Omnidirectional Cameras
Published: 2015/09/21
Channel: cvprtum
OpenCV GSoC 2015 Omnidirectional Camera Calibration
OpenCV GSoC 2015 Omnidirectional Camera Calibration
Published: 2015/08/27
Channel: Baisheng Lai
UAV Mapping with Embedded Omnidirectional Stereo Cameras
UAV Mapping with Embedded Omnidirectional Stereo Cameras
Published: 2015/10/29
Channel: aslteam
Renderman 21 Omnidirectional Camera Tutorial
Renderman 21 Omnidirectional Camera Tutorial
Published: 2017/05/22
Channel: Small Robot Studio
Xiaomi Mijia Mi Sphere Review - The BEST 360 Camera Under $500!
Xiaomi Mijia Mi Sphere Review - The BEST 360 Camera Under $500!
Published: 2017/07/25
Channel: LIFE in 360
Visual gyroscope for omnidirectional camera
Visual gyroscope for omnidirectional camera
Published: 2011/12/12
Channel: ennekappa
Mobile Base with Omnidirectional Cameras
Mobile Base with Omnidirectional Cameras
Published: 2014/07/24
Channel: PALRobotics
Autonomous Lego NXT with Omnidirectional Camera
Autonomous Lego NXT with Omnidirectional Camera
Published: 2015/03/15
Channel: Marco Bergamin
Monocular Visual Odometry in Urban Environments Using an Omnidirectional Camera, IROS2008
Monocular Visual Odometry in Urban Environments Using an Omnidirectional Camera, IROS2008
Published: 2009/01/20
Channel: Yanis Pavlidis
Omnidirectional Camera for Laser Pointer Detection
Omnidirectional Camera for Laser Pointer Detection
Published: 2008/03/15
Channel: Cressel Anderson
Intelligent 9MP omnidirectional surveillance camera #DigInfo
Intelligent 9MP omnidirectional surveillance camera #DigInfo
Published: 2015/07/09
Channel: ikinamo
Can The Xiaomi 360 Camera Swim?
Can The Xiaomi 360 Camera Swim?
Published: 2017/07/27
Channel: LIFE in 360
Calibrated Omnidirectional Camera
Calibrated Omnidirectional Camera
Published: 2015/05/01
Channel: Daniel Moldovan
Omnidirectional camera capture the smoke
Omnidirectional camera capture the smoke
Published: 2011/05/04
Channel: bodboy92
Visual gyroscope for omnidirectional camera #1 (Pure rotation)
Visual gyroscope for omnidirectional camera #1 (Pure rotation)
Published: 2011/12/11
Channel: ennekappa
Multiple person tracking using omnidirectional cameras
Multiple person tracking using omnidirectional cameras
Published: 2015/05/19
Channel: Barış Evrim Demiröz
Surround-See: Enabling Peripheral Vision onSmartphones during Active Use
Surround-See: Enabling Peripheral Vision onSmartphones during Active Use
Published: 2013/07/02
Channel: Xing-Dong Yang
Autonomous Target Tracking (Color Detection + Depth Estimation) Single Omnidirectional Camera
Autonomous Target Tracking (Color Detection + Depth Estimation) Single Omnidirectional Camera
Published: 2013/05/16
Channel: LETS Geomat Laboratory
Human Aware Navigation using External Omnidirectional Cameras   Experiment 5 (Simulation)
Human Aware Navigation using External Omnidirectional Cameras Experiment 5 (Simulation)
Published: 2015/11/04
Channel: André Mateus
Extrinsic Calibration of a 3D Laser Scanner and an Omnidirectional Camera (Result 1)
Extrinsic Calibration of a 3D Laser Scanner and an Omnidirectional Camera (Result 1)
Published: 2010/07/08
Channel: Gaurav Pandey
Extrinsic Calibration of a 3D Laser Scanner and an Omnidirectional Camera (Result 2)
Extrinsic Calibration of a 3D Laser Scanner and an Omnidirectional Camera (Result 2)
Published: 2010/07/08
Channel: Gaurav Pandey
Human Aware Navigation using External Omnidirectional Cameras Experiment 4 (Realistic Scenario)
Human Aware Navigation using External Omnidirectional Cameras Experiment 4 (Realistic Scenario)
Published: 2015/11/04
Channel: André Mateus
360° view - Omnidirectional cameras system with the Oculus Rift
360° view - Omnidirectional cameras system with the Oculus Rift
Published: 2014/04/25
Channel: Jeremie Deray
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 2 (Realistic Scenario)
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 2 (Realistic Scenario)
Published: 2015/11/04
Channel: André Mateus
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 2 (Realistic Scenario)
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 2 (Realistic Scenario)
Published: 2015/07/16
Channel: Anonymous Anonymous
Nissan Juke with 360-degree, 4K built-in camera
Nissan Juke with 360-degree, 4K built-in camera
Published: 2017/07/14
Channel: MOTOR1
Human Aware Navigation using External Omnidirectional Cameras Experiment 2 (Simulation)
Human Aware Navigation using External Omnidirectional Cameras Experiment 2 (Simulation)
Published: 2015/11/04
Channel: André Mateus
Visual gyroscope for omnidirectional camera #2 (free movements)
Visual gyroscope for omnidirectional camera #2 (free movements)
Published: 2011/12/11
Channel: ennekappa
Yezz Sfera smartphone With a 360 Degree Omnidirectional Camera
Yezz Sfera smartphone With a 360 Degree Omnidirectional Camera
Published: 2016/01/11
Channel: mo jogaming
Calibration of PTZ and omnidirectional cameras
Calibration of PTZ and omnidirectional cameras
Published: 2007/04/06
Channel: Marc Pollefeys
Phase Correlation for Dense Visual Compass from Omnidirectional Camera-Robot Images
Phase Correlation for Dense Visual Compass from Omnidirectional Camera-Robot Images
Published: 2017/04/24
Channel: GuicarMIS
Omni Directional Camera "Ladybug" on the head at pompei
Omni Directional Camera "Ladybug" on the head at pompei
Published: 2013/01/09
Channel: IkeuchiLab
Aruodc - augmented reality using omnidirectional cameras
Aruodc - augmented reality using omnidirectional cameras
Published: 2010/12/01
Channel: MuMaRob
Photometric visual servoing for omnidirectional cameras - AURO 2013
Photometric visual servoing for omnidirectional cameras - AURO 2013
Published: 2013/06/03
Channel: GuicarMIS
Adaptive Image-based Leader-Follower Approach of Mobile Robot with Omnidirectional Camera
Adaptive Image-based Leader-Follower Approach of Mobile Robot with Omnidirectional Camera
Published: 2014/11/09
Channel: Dejun Guo
Robot People Tracking Omnidirectional Camera + Laser Range Finder
Robot People Tracking Omnidirectional Camera + Laser Range Finder
Published: 2012/04/18
Channel: Zoran Zivkovic
An Application of Omnidirectional Vision to Grid-based SLAM in Indoor Environments
An Application of Omnidirectional Vision to Grid-based SLAM in Indoor Environments
Published: 2010/06/09
Channel: LabRobPoliTO
Omnidirectional camera 360° كاميرا للتصوير الثلاثي الأبعاد
Omnidirectional camera 360° كاميرا للتصوير الثلاثي الأبعاد
Published: 2013/02/15
Channel: Golden Sam
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 1 (Realistic Scenario)
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 1 (Realistic Scenario)
Published: 2015/11/04
Channel: André Mateus
3D-Rekonstruktion with omnidirectional cameras
3D-Rekonstruktion with omnidirectional cameras
Published: 2016/09/08
Channel: RoblabFhGe
Intro to 360 Camera Traps - (2D+360 Video together)
Intro to 360 Camera Traps - (2D+360 Video together)
Published: 2017/03/27
Channel: Andrew Quitmeyer
How to use a 360 camera for your real estate business
How to use a 360 camera for your real estate business
Published: 2017/03/01
Channel: The Oakville, Milton and District Real Estate Board
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 3 (Realistic Scenario)
Human-Aware Navigation using External Omnidirectional Cameras - Experiment 3 (Realistic Scenario)
Published: 2015/07/16
Channel: Anonymous Anonymous
Estimation of Gazing Points in Environment Using Eye Tracker and Omnidirectional Camera
Estimation of Gazing Points in Environment Using Eye Tracker and Omnidirectional Camera
Published: 2015/07/03
Channel: ieeeCESocTV
Visual-compass algorithm for omnidirectional cameras
Visual-compass algorithm for omnidirectional cameras
Published: 2016/08/09
Channel: Stefano Scheggi
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Schematic of an omnidirectional camera with two mirrors:
1. Camera
2. Upper Mirror
3. Lower Mirror
4. "Black Spot"
5. Field of View (light blue)

In photography, an omnidirectional camera (from "omni", meaning all) is a camera with a 360-degree field of view in the horizontal plane, or with a visual field that covers (approximately) the entire sphere. Omnidirectional cameras are important in areas where large visual field coverage is needed, such as in panoramic photography and robotics.[1]

Overview[edit]

Omnidirectional Camera with two mirrors.
1. Camera
2. Lower Mirror
3. Aperture
4. Glass Housing
5. Cover and Upper Mirror (hidden)

A camera normally has a field of view that ranges from a few degrees to, at most, 180°. This means that it captures, at most, light falling onto the camera focal point through a hemisphere. In contrast, an ideal omnidirectional camera captures light from all directions falling onto the focal point, covering a full sphere. In practice, however, most omnidirectional cameras cover only almost the full sphere and many cameras which are referred to as omnidirectional cover only approximately a hemisphere, or the full 360° along the equator of the sphere but excluding the top and bottom of the sphere. In the case that they cover the full sphere, the captured light rays do not intersect exactly in a single focal point.

Applications[edit]

Panoramic art[edit]

A 360 shot taken by tech journalist Jefferson Graham with a selfie stick

Traditional approaches to panoramic photography mainly consists of stitching shots taken separately into a single, continuous image. The stitching of images, however, is computationally intensive (for example using the RANSAC iterative algorithm, commonly used to solve the correspondence problem), and depending upon the quality and consistency of the shots used, the resulting image might contain a number of deficiencies which impair the quality of the resulting image. In contrast, an omnidirectional camera can be used to create panoramic art in real time, without the need for post processing, and will typically give much better quality products.

In 2015 Facebook began rolling out omnidirectional videos where the user can view the video at any arbitrary camera angle around a 360-degree radius and limited tilt up-and-down angles.

Robotics and computer vision[edit]

A robot in the RoboCup Midsize league (2005), equipped with an omnidirectional camera.

In robotics, omnidirectional cameras are frequently used for visual odometry and to solve the simultaneous localization and mapping (SLAM) problems visually.[2][3][4][5] Due to its ability to capture a 360-degree view, better results can be obtained for optical flow and feature selection and matching.

Miscellaneous[edit]

Omnidirectional image of a corridor.

Applications of omnidirectional cameras also include surveillance, when it is important to cover an as large visual field as possible. Microsoft RoundTable was introduced in 2007 for videoconferencing, where all participants on one location can be in the same image.

See also[edit]

References[edit]

  1. ^ Parry, T. (December 2016). "Extensive Guide to 360 Cameras". Tim Parry. Retrieved 2017-01-02. 
  2. ^ Scaramuzza, D.; Siegwart, R. (October 2008). "Appearance-Guided Monocular Omnidirectional Visual Odometry for Outdoor Ground Vehicles". IEEE Transactions on Robotics: 1–12. Retrieved 2008-10-20. 
  3. ^ Ulrich, I.; Nourbakhsh, I. (2000). "Appearance-based place recognition for topological localization" (PDF). Proc Ieee Int Conf Rob Autom. 2: 1023–1029. Retrieved 2008-07-15. 
  4. ^ Kim, J.H.; Chung, M.J. (2003). "Slam with omni-directional stereo vision sensor". Intelligent Robots and Systems, 2003.(IROS 2003). Proceedings. 2003 IEEE/RSJ International Conference on. 1. 
  5. ^ Jogan, M.; Leonardis, A. (2000). "Robust localization using panoramic view-based recognition". 15th ICPR. 4: 136–139. doi:10.1109/ICPR.2000.902882. 

External links[edit]

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