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FISHEYE MULTI-CAMERA SYSTEM CALIBRATION FOR SURVEYING NARROW AND COMPLEX ARCHITECTURES
Fisheye Photogrammetry Multi-camera Calibration Accuracy Cultural Heritage Survey Narrow Spaces
2018/6/4
Narrow spaces and passages are not a rare encounter in cultural heritage, the shape and extension of those areas place a serious challenge on any techniques one may choose to survey their 3D geometry....
PRELIMINARY EVALUATION OF A COMMERCIAL 360 MULTI-CAMERA RIG FOR PHOTOGRAMMETRIC PURPOSES
Calibration 360 Images Multi-Camera system Cultural Heritage Photogrammetry
2018/6/5
The research presented in this paper is focused on a preliminary evaluation of a 360 multi-camera rig: the possibilities to use the images acquired by the system in a photogrammetric workflow and for ...
4D ANIMATION RECONSTRUCTION FROM MULTI-CAMERA COORDINATES TRANSFORMATION
Close-Range Photogrammetry Conformal Transformation 4D Animation
2016/11/11
Reservoir dredging issues are important to extend the life of reservoir. The most effective and cost reduction way is to construct a tunnel to desilt the bottom sediment. Conventional technique is to ...
CALIBRATION OF A MULTI-CAMERA ROVER
Camera calibration Multi-Camera Rover Close-Range Photogrammetry Sensor calibration
2016/11/11
Multi-Camera-Rover are recently coming up for usual terrestrical surveying tasks. This technique is new for the surveyors. Although photogrammetric specialists realize the benefits of such systems imm...
EFFICIENT ORIENTATION AND CALIBRATION OF LARGE AERIAL BLOCKS OF MULTI-CAMERA PLATFORMS
multi-sensor calibration oblique aerial imagery tie point decimation bundle block adjustment affine-invariant feature point
2016/7/4
Aerial multi-camera platforms typically incorporate a nadir-looking camera accompanied by further cameras that provide oblique views, potentially resulting in utmost coverage, redundancy, and accuracy...
Evaluation of Relative Pose Estimation Methods for Multi-Camera Setups
Camera motion estimation multi-view geometry relative orientation algorithm comparison
2015/12/8
The fully automatic and reliable calculation of the relative camera pose from image correspondences is one of the challenging tasks in photogrammetry and computer vision. The problem has not been solv...
Calibration of a PMD-Camera Using a Planar Calibration Pattern Together with a Multi-Camera Setup
Close Range Photogrammetry 3D Sensors Computer Vision Calibration
2015/12/4
We discuss the joint calibration of novel 3D range cameras based on the time-of-flight principle with the Photonic Mixing Device (PMD) and standard 2D CCD cameras. Due to the small field-o...
COMPARATIVE STUDY OF DISPARITY ESTIMATIONS WITH MULTI-CAMERA CONFIGURATIONS IN RELATION TO DESCRIPTIVE PARAMETERS OF COMPLEX BIOLOGICAL OBJECTS
3D reconstruction Multi-Baseline Trinocular Stereo Graph Cuts
2015/8/14
An image-based 3D surface reconstruction technique based on simultaneous evaluation of reflectance and polarisation features is
introduced in this paper. The proposed technique is suitable for ...
A MODIFIED PROJECTIVE TRANSFORMATION SCHEME FOR MOSAICKING MULTI-CAMERA IMAGING SYSTEM EQUIPPED ON A LARGE PAYLOAD FIXED-WING UAS
UAS Multi-Camera System Image Mosaicking Modified Projective Transformation
2015/4/1
In recent years, Unmanned Aerial System (UAS) has been applied to collect aerial images for mapping, disaster investigation, vegetation monitoring and etc. It is a higher mobility and lower risk platf...
Calibration of multi-camera photogrammetric systems
digital close range photogrammetry geometric camera calibration bundle adjustment multisensor systems
2014/12/4
Due to the low-cost and off-the-shelf availability of consumer grade cameras, multi-camera photogrammetric systems have become a popular means for 3D reconstruction. These systems can be used in a var...
A Quality Evaluation of Single and Multiple Camera Calibration Approaches for an Indoor Multi Camera Tracking System
Calibration Single Camera Orientation Multi Camera System Bundle Block Adjustment ICP 3D human tracking
2014/7/30
Human detection and tracking has been a prominent research area for several scientists around the globe. State of the art algorithms have been implemented, refined and accelerated to significantly imp...
OBLIQUE MULTI-CAMERA SYSTEMS – ORIENTATION AND DENSE MATCHING ISSUES
Oblique images Orientation Matching Automation Feature extraction
2014/4/21
The use of oblique imagery has become a standard for many civil and mapping applications, thanks to the development of airborne digital multi-camera systems, as proposed by many companies (Blomoblique...
ACCURACY EVALUATION FOR A PRECISE INDOOR MULTI-CAMERA POSE ESTIMATION SYSTEM
Close Range Industrial Pose Estimation Accuracy
2014/5/8
Pose estimation is used for different applications like indoor positioning, simultaneous localization and mapping (SLAM), industrial measurement and robot calibration. For industrial applications seve...
NEW METHOD FOR THE CALIBRATION OF MULTI-CAMERA MOBILE MAPPING SYSTEMS
Adjustment Calibration GPS/INS Multisensor Mobile Systems
2014/4/25
Mobile Mapping Systems (MMS) allow for fast and cost-effective collection of geo-spatial information. Such systems integrate a set of imaging sensors and a position and orientation system (POS), which...