Download Automatic Calibration and Reconstruction for Active Vision by Beiwei Zhang PDF

By Beiwei Zhang

ISBN-10: 9400726538

ISBN-13: 9789400726536

In this booklet, the layout of 2 new planar styles for digital camera calibration of intrinsic parameters is addressed and a line-based strategy for distortion correction is advised. The dynamic calibration of established mild platforms, which include a digicam and a projector can be handled. additionally, the 3D Euclidean reconstruction by utilizing the image-to-world transformation is investigated. finally, linear calibration algorithms for the catadioptric digital camera are thought of, and the homographic matrix and primary matrix are commonly studied. In those tools, analytic strategies are supplied for the computational potency and redundancy within the information may be simply integrated to enhance reliability of the estimations. This quantity will hence turn out beneficial and sensible instrument for researchers and practioners operating in picture processing and desktop imaginative and prescient and similar subjects.

Show description

Read Online or Download Automatic Calibration and Reconstruction for Active Vision Systems PDF

Best control systems books

Dynamics, Bifurcations and Control

This publication includes a choice of the papers awarded on the third NCN Workshop which was once fascinated about "Dynamics, Bifurcations and Control". The peer-reviewed papers describe a couple of methods how dynamical platforms suggestions may be utilized for research and layout difficulties on top of things with issues starting from bifurcation keep watch over through balance and stabilizaton to the worldwide dynamical behaviour of regulate structures.

Fuzziness, Democracy, Control and Collective Decision-choice System: A Theory on Political Economy of Rent-Seeking and Profit-Harvesting

This quantity provides an research of the issues and ideas of the industry mockery of the democratic collective decision-choice method with imperfect details constitution composed of faulty and misleading constructions utilizing equipment of fuzzy rationality. The ebook is dedicated to the political financial system of rent-seeking, rent-protection and rent-harvesting to reinforce earnings below democratic collective decision-choice platforms.

Analysis and Control System Techniques for Electric Power Systems

It is a 4 quantity series dedicated to the numerous subject of advances in electrical strength structures research and regulate recommendations. The wide parts concerned contain tranmission line and transformer modelling. The 4 quantity series will specialize in advances in parts together with strength circulation research, monetary operation of energy platforms, generator modelling, energy approach balance, voltage and gear regulate options, and procedure safety

Advances in Automated Valuation Modeling: AVM After the Non-Agency Mortgage Crisis

This publication addresses numerous difficulties concerning automatic valuation methodologies (AVM). Following the non-agency loan challenge, it deals a number of methods to enhance the potency and caliber of an automatic valuation technique (AVM) facing rising difficulties and assorted contexts.

Extra info for Automatic Calibration and Reconstruction for Active Vision Systems

Example text

5. 3 Plane-Based Homography According to the projective geometry, the term plane-based Homography refers to the plane-to-plane transformation in the projective space, which maps a point on one plane to a point on the other. The Homography arises when a planar surface is imaged or two views of the planar surface are obtained. 12 shows one of the cases, in which M represents a space point on the plane π, mc , and mp denote its corresponding projections. g. H = ⎣h4 h5 h6 ⎦. Under the perspective projection, the corresponding h7 h8 h9 ˜c are related by ˜p and m points m ˜p = λH m ˜c m where λ is a scale factor.

Mathematically, the fundamental matrix is a 3 × 3 matrix and the rank is 2. Since it is a singular matrix, there are many different parameterizations. For example, we can express one row (or column) of the fundamental matrix as the linear combination of the other two rows (or columns). As a result, there are many different approaches for estimating this matrix. We will next show a simple homogeneous solution. Assuming an arbitrary point M in the scene, the corresponding image pixels are denoted by mc and mp in Fig.

It is a fixed conic under projective transformation. Algebraically, the absolute conic corresponds to a conic with matrix ω∞ = I, such that for an arbitrary point M ∞ on the conic, the identity M T∞ ω∞ M ∞ = 0 always holds. Let M ∞ be the homogeneous representation of M ∞ , which means M ∞ = [x y z 0]T if we set M ∞ = [x y z]T . Let m∞ be its corresponding imaged point. Let the intrinsic and extrinsic parameters of the camera be respectively K c and R c , t c . 2) The above equation describes the relationship between M ∞ and its image point m∞ .

Download PDF sample

Automatic Calibration and Reconstruction for Active Vision Systems by Beiwei Zhang

by Ronald

Rated 4.32 of 5 – based on 20 votes