Robust affine invariant descriptors
type: Item
instance of: scholarly article
title: Robust affine invariant descriptors
zbMATH Open document ID: 1213.68555
DOI: 10.1155/2011/185303
author: Jianwei Yang
author: Zirun Chen
author: Wen-Sheng Chen
author: Yunjie Chen
published in: Mathematical Problems in Engineering
publication date: 2011-06-07T00:00:00Z
full work available at URL: https://eudml.org/doc/227443
review text: Summary: An approach is developed for the extraction of affine invariant descriptors by cutting object into slices. Gray values associated with every pixel in each slice are summed up to construct affine invariant descriptors. As a result, these descriptors are very robust to additive noise. In order to establish slices of correspondence between an object and its affine transformed version, general contour (GC) of the object is constructed by performing projection along lines with different polar angles. Consequently, affine in-variant division curves are derived. A slice is formed by points fall in the region enclosed by two adjacent division curves. To test and evaluate the proposed method, several experiments have been conducted. Experimental results show that the proposed method is very robust to noise.
Mathematics Subject Classification ID: 68T10
zbMATH DE Number: 5904880
Wikidata QID: Q58692766
MaRDI profile type: Publication
OpenAlex ID: W2014320587
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description: scientific article; zbMATH DE number 5904880