نتایج جستجو برای: reconstruction process

تعداد نتایج: 1423748  

2010
Matthew Grant Bolitho

Surface reconstruction is the process of creating virtual three-dimensional representations of real-world objects using data obtained from 3D scanners. The traditional challenges of surface reconstruction arise from the uncertain nature of input data. Inaccuracies in scanning devices create noisy data. Point sampling is often non-uniform. And, accessibility constraints during the scanning proce...

Journal: :EURASIP J. Image and Video Processing 2010
Abdelkrim Belhaoua Sophie Kohler Ernest Hirsch

The work presented in this paper deals with the performance analysis of the whole 3D reconstruction process of imaged objects, specifically of the set of geometric primitives describing their outline and extracted from a pair of images knowing their associated camera models. The proposed analysis focuses on error estimation for the edge detection process, the starting step for the whole reconst...

2012
Erald Vuçini Walter G. Kropatsch

In this paper we present a novel algorithm to optimize the reconstruction from non-uniform point sets. We introduce a statistically-derived topology-controller for selecting the reconstruction resolution of a given non-uniform point set. Deriving information from homology-based statistics, our topology-controller ensures a stable and sound basis for the analysis process. By analyzing our topolo...

2001
Shankar Krishnan Gopi Meenakshisundaram

GOPI MEENAKSHISUNDARAM: Theory and Practice of Sampling and Reconstruction for Manifolds with Boundaries (Under the direction of Prof. Jack Snoeyink) Surface sampling and reconstruction are used in modeling objects in graphics and digital archiving of mechanical parts in Computer Aided Design and Manufacturing (CAD/CAM). Sampling involves collecting 3D points from the surface. Using these point...

2001
Shankar Krishnan Dinesh Manocha Gopi Meenakshisundaram

GOPI MEENAKSHISUNDARAM: Theory and Practice of Sampling and Reconstruction of Manifolds with Boundaries (Under the direction of Prof. Jack Snoeyink) Surface sampling and reconstruction are used in modeling objects in graphics and digital archiving of mechanical parts in Computer Aided Design and Manufacturing (CAD/CAM). Sampling involves collecting 3D points from the surface. Using these point ...

Ashkaun Shaterian, Jessica Gandy, Paydar Keyianoosh , Sarah Smith, Shadi Lalezari,

BACKGROUND Post-mastectomy breast reconstruction is commonly performed in the United States with numerous options available to patients and providers. This study evaluated patient race and provider in prediction of patient satisfaction following post-mastectomy breast reconstruction. METHODS The patient satisfaction for women who underwent post mastectomy breast reconstruction at U...

فتحی, مهدی, لطیفی, نوراحمد, کریمی, علیرضا,

Microtia is the complete absence of auricular tissues. Total reconstruction of the ear is one of the most difficult problems is reconstructive surgery. Classical multi-staged reconstructions can achieve satisfactory results but they require multiple hospitalizations and high cost. The ideal would be reconstruction of a life-like ear in one operation. Yeguang Song from China has done one stage t...

Journal: :The International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences 2020

The selection of effective and optimal sidelap/overlap of images according to the quality, speed, cost and purpose of each UAV photogrammetric project is considered as an important parameter. Since two decades ago, several researches have been carried out based on a trial and error strategy for this purpose, in which different drones and cameras have been utilized for imaging with different sid...

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