نتایج جستجو برای: multiresolution analysis

تعداد نتایج: 2826627  

Journal: :IEEE transactions on image processing : a publication of the IEEE Signal Processing Society 2002
Stéphane Bonnet Françoise Peyrin Francis Turjman Rémy Prost

In this paper, a new multiresolution reconstruction approach for fan-beam tomography is established. The theoretical development assumes radial wavelets. An approximate reconstruction formula based on a near-radial quincunx multiresolution scheme is proposed. This multiresolution algorithm allows to compute both the quincunx approximation and detail coefficients of an image from its fan-beam pr...

2003
Fardin Akhlaghian Tab Golshah Naghdy Alfred Mertins

This paper introduces a multiresolution image segmentation algorithm for scalable object-based wavelet coding applications. This algorithm is based on discrete wavelet transform and multiresolution Markov random field (MMRF) modelling. The major contribution of this work is to add spatial scalability and border smoothness in the segmentation algorithm usable for object-based wavelet coding algo...

2003
Ryutarou Ohbuchi Tsuyoshi Takei

As the number of in-house and public-domain 3D shape models increase, importance of shape-similarity based search and retrieval for 3D shapes models has increased rapidly. In this paper, we describe our preliminary findings in applying a multiresolution analysis technique to the task of shape similarity comparison of polygon soup models. We used the 3D alpha shapes algorithm to create a multire...

Journal: :Graphical Models 2001
Jehee Lee Sung Yong Shin

Multiresolution motion analysis has gained great research interest as a unified framework to facilitate a variety of motion editing tasks. In this framework, motion data are represented as a collection of coefficients that form a coarse-to-fine hierarchy. The coefficients at the coarsest level describe the global pattern of a motion signal, while those at fine levels provide different details a...

Journal: :International Journal of Online Engineering (iJOE) 2018

Journal: :Journal of Mathematical Analysis and Applications 2012

Journal: :IEICE Transactions on Information and Systems 2010

Journal: :International Journal of Computer Applications 2012

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