نتایج جستجو برای: silhouette

تعداد نتایج: 2360  

Journal: :Goethe-Lexicon of Philosophical Concepts 2021

Journal: :The Journal of The Institute of Image Information and Television Engineers 2008

Journal: :Academic Medicine 2006

Journal: :BMJ Case Reports 2020

2002
Wael Abd-Almageed Christopher Smith

In this paper, a new technique for object classi cation from silhouettes is presented. Hidden Markov Models are used as a classi cation mechanism. Through a set of experiments, we show the validity of our approach and show its invariance under severe rotation conditions. Also, a comparison with other techniques that use Hidden Markov Models for object classi cation from silhouettes is presented.

2017
Fei Wang Hector-Hugo Franco-Penya John D. Kelleher John Pugh Robert J. Ross

Silhouette is one of the most popular and effective internal measures for the evaluation of clustering validity. Simplified Silhouette is a computationally simplified version of Silhouette. However, to date Simplified Silhouette has not been systematically analysed in a specific clustering algorithm. This paper analyses the application of Simplified Silhouette to the evaluation of k-means clust...

2002
DANIEL WOJTASZEK ROBERT LAGANIÈRE

This paper proposes a method that tracks, and recognizes people in indoor scenes. Background subtraction and foreground silhouette analysis are used to detect people. The colour of each person’s clothes is used as a distinguishing feature for the purpose of tracking and recognizing people. Clothing colour is extracted using histograms on a luminance and perceptually uniform chrominance colour s...

2009
Costas Panagiotakis Anastasios D. Doulamis

In this paper, an unsupervised, automatic video human members(human body and parts) tracking algorithm is proposed based on a propabilictic human silhouette detection method and a geometric human silhouette analysis algorithm. First, the human silhouette is estimated using the following scheme : 1) an face detection, and 2) a human body detection based on biometric 2-D templates. Next, the huma...

Journal: :CVGIP: Graphical Model and Image Processing 1994
W. Clem Karl George C. Verghese Alan S. Willsky

In this paper we examine the problem of reconstructing a (possibly dynamic) ellipsoid from its (possibly inconsistent) orthogonal silhouette projections. We present a particularly convenient representation of ellipsoids as elements of the vector space of symmetric matrices. The relationship between an ellipsoid and its orthogonal projections in this representation is linear, unlike the standard...

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