A generic structure-from-motion framework
Computer Vision and Image Understanding - Special issue on omnidirectional vision and camera networks
Parameter-Free Radial Distortion Correction with Center of Distortion Estimation
IEEE Transactions on Pattern Analysis and Machine Intelligence
Estimating parameters of noncentral catadioptric systems using bundle adjustment
Computer Vision and Image Understanding
Self-Calibration and Control of a PTZ Camera Based on a Spherical Mirror
AVSS '09 Proceedings of the 2009 Sixth IEEE International Conference on Advanced Video and Signal Based Surveillance
Discrete camera calibration from pixel streams
Computer Vision and Image Understanding
Degeneracy of the Linear Seventeen-Point Algorithm for Generalized Essential Matrix
Journal of Mathematical Imaging and Vision
Camera Models and Fundamental Concepts Used in Geometric Computer Vision
Foundations and Trends® in Computer Graphics and Vision
Correspondence-free multi camera calibration by observing a simple reference plane
ACCV'10 Proceedings of the 10th Asian conference on Computer vision - Volume Part III
Calibration of omnidirectional cameras in practice: A comparison of methods
Computer Vision and Image Understanding
Theory and calibration for axial cameras
ACCV'06 Proceedings of the 7th Asian conference on Computer Vision - Volume Part I
Single-Camera multi-baseline stereo using fish-eye lens and mirrors
ACCV'09 Proceedings of the 9th Asian conference on Computer Vision - Volume Part II
An FPGA-based omnidirectional vision sensor for motion detection on mobile robots
International Journal of Reconfigurable Computing - Special issue on Selected Papers from the Symposium on Integrated Circuits and Systems Design (SBCCI 2011)
ARTcams: attributed rational tensor cameras
Computational Aesthetics'09 Proceedings of the Fifth Eurographics conference on Computational Aesthetics in Graphics, Visualization and Imaging
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We consider the problem of calibrating a highly generic imaging model, that consists of a non-parametric association of a projection ray in 3D to every pixel in an image. Previous calibration approaches for this model do not seem to be directly applicable for cameras with large fields of view and non-central cameras. In this paper, we describe a complete calibration approach that should in principle be able to handle any camera that can be described by the generic imaging model. Initial calibration is performed using multiple images of overlapping calibration grids simultaneously. This is then improved using pose estimation and bundle adjustment-type algorithms. The approach has been applied on a wide variety of central and non-central cameras including fisheye lens, catadioptric cameras with spherical and hyperbolic mirrors, and multi-camera setups. We also consider the question if non-central models are more appropriate for certain cameras than central models.