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https://hdl.handle.net/2440/42017
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Type: | Journal article |
Title: | On the consistency of the normalized eight-point algorithm |
Author: | Chojnacki, W. Brooks, M. |
Citation: | Journal of Mathematical Imaging and Vision, 2007; 28(1):19-27 |
Publisher: | Kluwer Academic Publ |
Issue Date: | 2007 |
ISSN: | 0924-9907 1573-7683 |
Statement of Responsibility: | Wojciech Chojnacki and Michael J. Brooks |
Abstract: | A recently proposed argument to explain the improved performance of the eight-point algorithm that results from using normalized data (Chojnacki, W., et al. in IEEE Trans. Pattern Anal. Mach. Intell. 25(9):1172–1177, 2003) relies upon adoption of a certain model for statistical data distribution. Under this model, the cost function that underlies the algorithm operating on the normalized data is statistically more advantageous than the cost function that underpins the algorithm using unnormalized data. Here we extend this explanation by introducing a more refined, structured model for data distribution. Under the extended model, the normalized eight-point algorithm turns out to be approximately consistent in a statistical sense. The proposed extension provides a link between the existing statistical rationalization of the normalized eight-point algorithm and the approach of Mühlich and Mester for enhancing total least squares estimation methods via equilibration. The paper forms part of a wider effort to rationalize and interrelate foundational methods in vision parameter estimation. |
Keywords: | Epipolar equation Consistency Fundamental matrix Bias Data normalization Eight-point algorithm |
DOI: | 10.1007/s10851-007-0009-6 |
Published version: | http://dx.doi.org/10.1007/s10851-007-0009-6 |
Appears in Collections: | Aurora harvest 6 Computer Science publications |
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