2000
DOI: 10.1109/5326.827484
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Translation, rotation, and scale-invariant object recognition

Abstract: Abstract-A method for object recognition, invariant under translation, rotation, and scaling, is addressed. The first step of the method (preprocessing) takes into account the invariant properties of the normalized moment of inertia and a novel coding that extracts topological object characteristics. The second step (recognition) is achieved by using a holographic nearest-neighbor algorithm (HNN), in which vectors obtained in the preprocessing step are used as inputs to it. The algorithm is tested in character… Show more

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Cited by 53 publications
(31 citation statements)
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“…To overcome this problem, increasingly more pattern description techniques are based on multi-scale or multiresolution representation methods (Lindeberg, 1998). Within this context, methods based on the pattern itself (Torres-Méndez et al, 2000 ;Kadyrov & Petrou, 2001 ;Belongie et al, 2002 ;Grigorescu & Petkov, 2003) exist as well as methods based on pattern contour behaviour (Matusiak & Daoudi, 1998 ;Roh & Kweon, 1998 ;Wang et al, 1999 ;Latecki et al, 2000). This study deals exclusively with methods based on the pattern contour.…”
Section: Application Example Based On the Msgpr Methodsmentioning
confidence: 99%
“…To overcome this problem, increasingly more pattern description techniques are based on multi-scale or multiresolution representation methods (Lindeberg, 1998). Within this context, methods based on the pattern itself (Torres-Méndez et al, 2000 ;Kadyrov & Petrou, 2001 ;Belongie et al, 2002 ;Grigorescu & Petkov, 2003) exist as well as methods based on pattern contour behaviour (Matusiak & Daoudi, 1998 ;Roh & Kweon, 1998 ;Wang et al, 1999 ;Latecki et al, 2000). This study deals exclusively with methods based on the pattern contour.…”
Section: Application Example Based On the Msgpr Methodsmentioning
confidence: 99%
“…In general, rotational invariance is either approached via the use of geometrical moments (Hu, 1962), radial coding of features (Torres-Mendez et al, 2000), or using a mapping from Cartesian to polar coordinate representation, e.g. log-polar mapping (Kurita et al, 1998).…”
Section: Invariant Preprocessing For 2d Imagesmentioning
confidence: 99%
“…On Fig. 5.b, we represent the IPM function for σ, varying from 0 to 180, the IPM points indicated by (1) to (6) refer to the corresponding intersection points on Fig. 5.a.…”
Section: Definition Of the Ipm Functionmentioning
confidence: 99%
“…To overcome this problem, increasingly more pattern analysis (or pattern description) techniques are based on multiscale or multiresolution representation methods [9,14]. Within this context, methods based on the pattern itself [3,6,19,20] exist as well as methods based on pattern contour behaviour [7,8,10,12,13,15,16,17,18]. This study deals exclusively with pattern contour methods.…”
Section: Introductionmentioning
confidence: 99%