Results 31 to 40 of about 154,494 (287)

Stereo Matching in the Presence of Sub-Pixel Calibration Errors [PDF]

open access: yes, 2009
Stereo matching commonly requires rectified images that are computed from calibrated cameras. Since all under-lying parametric camera models are only approximations, calibration and rectification will never be perfect.
Gehrig, Stefan, Hirschmüller, Heiko
core   +1 more source

Intention recognition for gaze controlled robotic minimally invasive laser ablation [PDF]

open access: yes, 2016
Eye tracking technology has shown promising results for allowing hands-free control of robotically-mounted cameras and tools. However existing systems present only limited capabilities in allowing the full range of camera motions in a safe, intuitive ...
Gras, G, Yang, GZ
core   +1 more source

TOWARDS THE INFLUENCE OF A CAR WINDSHIELD ON DEPTH CALCULATION WITH A STEREO CAMERA SYSTEM [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
Stereo camera systems in cars are often used to estimate the distance of other road users from the car. This information is important to improve road safety. Such camera systems are typically mounted behind the windshield of the car. In this contribution,
A. Hanel, L. Hoegner, U. Stilla
doaj   +1 more source

Volumetric Calibration of Stereo Camera in Visual Servo Based Robot Control

open access: yesInternational Journal of Advanced Robotic Systems, 2009
The primary objective of the paper is to propose a calibration method for a stereo camera used in a visual servo control for a robot manipulator. Specifically, projection matrix between the stereo camera and world coordinates is established using few ...
Perez Ulises   +2 more
doaj   +2 more sources

A Novel Solution for Camera Occlusion in Stereo Vision Technique

open access: yesAdvances in Mechanical Engineering, 2013
Stereo version is a well-known technique for obtaining depth and surface information of objects from images captured by two cameras. In general, this technique is limited by camera occlusion inherent to grooved or steep profiles in 3D shape measurements.
Junyi Lin, Kaiyong Jiang, Ming Chang
doaj   +1 more source

STEREO RECONSTRUCTION OF ATMOSPHERIC CLOUD SURFACES FROM FISH-EYE CAMERA IMAGES [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2016
In this article a method for reconstructing atmospheric cloud surfaces using a stereo camera system is presented. The proposed camera system utilizes fish-eye lenses in a flexible wide baseline camera setup.
G. Katai-Urban   +4 more
doaj   +1 more source

Fast Multi-frame Stereo Scene Flow with Motion Segmentation

open access: yes, 2017
We propose a new multi-frame method for efficiently computing scene flow (dense depth and optical flow) and camera ego-motion for a dynamic scene observed from a moving stereo camera rig.
Sato, Yoichi   +2 more
core   +1 more source

ACCURACY EVALUATION OF STEREO CAMERA SYSTEMS WITH GENERIC CAMERA MODELS [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
Abstract. In the last decades the consumer and industrial market for non-projective cameras has been growing notably. This has led to the development of camera description models other than the pinhole model and their employment in mostly homogeneous camera systems.
Rueß, Dominik   +3 more
openaire   +4 more sources

3D MODELING OF ARCHITECTURE BY EDGE-MATCHING AND INTEGRATING THE POINT CLOUDS OF LASER SCANNER AND THOSE OF DIGITAL CAMERA [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2012
We have been developing the stereo-matching method and its system by digital photogrammetry using a digital camera to make 3D Measurement of various objects.
N. Kochi   +3 more
doaj   +1 more source

Panoramic/Dual-Surface Digital Image Correlation Measurement Using a Single Camera

open access: yesSensors, 2022
We propose a cost-effective and simple-to-implement mirror-assisted single-camera panoramic digital image correlation (DIC) method for panoramic/dual-surface profile and deformation measurement.
Kaiyu Zhu, Bing Pan
doaj   +1 more source

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