Journal ArticleDOI
Fast radial symmetry for detecting points of interest
G. Loy,Alexander Zelinsky +1 more
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TLDR
A new transform is presented that utilizes local radial symmetry to highlight points of interest within a scene and is seen to offer equal or superior performance to contemporary techniques at a relatively low-computational cost.Abstract:
A new transform is presented that utilizes local radial symmetry to highlight points of interest within a scene. Its low-computational complexity and fast runtimes makes this method well-suited for real-time vision applications. The performance of the transform is demonstrated on a wide variety of images and compared with leading techniques from the literature. Both as a facial feature detector and as a generic region of interest detector the new transform is seen to offer equal or superior performance to contemporary techniques at a relatively low-computational cost. A real-time implementation of the transform is presented running at over 60 frames per second on a standard Pentium III PC.read more
Citations
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Patent
Method of characterising a t cell
TL;DR: In this article, a method of classifying T cells as high or low PD-1 expressing through comparison of the expression level of PD1 in the T cells with a threshold determined in accordance with the invention is described.
Proceedings ArticleDOI
The machine recognition of Chinese ancient copper coin
TL;DR: A method which can be used to recognize Chinese ancient copper coins efficiently is presented, which is very efficient and could be used in the customs export examination as a common procedure.
Book ChapterDOI
Robust Implementation for Circular Traffic Sign Recognition
TL;DR: A robust circular traffic sign detection approach consisting of a color enhancement method which utilizes the nature of Lab color space and a circle detector based on improved constrained fast radial symmetry transform, which outperforms existing approaches in terms of classification accuracy.
Joint Estimation of Facial Pose and Expression Using Variable-Intensity Templates (コンピュータビジョンとイメージメディア(CVIM) Vol.2009-CVIM-167)
Kumano Shiro,Sato Yoichi +1 more
Patent
Circle segment and form detection
TL;DR: In this paper, a Vorrichtung zur Kreissegmentdetektion is ausgebildet, um Graden zu detektieren, so dass Gradientenvektors erhalten werden and aus-gebracht, um die Gradenzvektoren with jeweiligen Radien zu skalieren and resultierende Endpointte der jeweILigen, skalierten Gradentenvectors in den den den this paper zugeordneten Akkumulator
References
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Journal ArticleDOI
Use of the Hough transformation to detect lines and curves in pictures
Richard O. Duda,Peter E. Hart +1 more
TL;DR: It is pointed out that the use of angle-radius rather than slope-intercept parameters simplifies the computation further, and how the method can be used for more general curve fitting.
Image Features From Phase Congruency
TL;DR: Videre: Journal of Computer Vision Research is a quarterly journal published electronically on the Internet by The MIT Press, Cambridge, Massachusetts, 02142 and prices subject to change without notice.
Journal ArticleDOI
Finding circles by an array of accumulators
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Journal ArticleDOI
Algorithms for defining visual regions-of-interest: comparison with eye fixations
C.M. Privitera,L.W. Stark +1 more
TL;DR: This paper investigates and develops a methodology that serves to automatically identify a subset of aROIs (algorithmically detected ROIs) using different image processing algorithms (IPAs), and appropriate clustering procedures, and compares hROIs with hROI as a criterion for evaluating and selecting bottom-up, context-free algorithms.
Journal ArticleDOI
Context-free attentional operators: the generalized symmetry transform
TL;DR: An attention operator based on the intuitive notion of symmetry, which generalized many of the existing methods of detecting regions of interest is presented, a low-level operator that can be applied successfully without a priori knowledge of the world.