نتایج جستجو برای: spatial frame

تعداد نتایج: 455927  

Journal: :sahand communications in mathematical analysis 0
mahdiyeh khayyami department of mathematics, science and research branch, islamic azad university, kerman, iran. akbar nazari department of mathematics, science and research branch, islamic azad university, kerman, iran.

a generalization of the known results in fusion frames and $g$-frames theory to continuous fusion frames which defined by m. h. faroughi and r. ahmadi, is presented in this study. continuous resolution of the identity (cri) is introduced, a new family of cri is constructed, and a number of reconstruction formulas are obtained. also, new results are given on the duality of continuous fusion fram...

Journal: :J. Digit. Inf. 2009
Jim Rosenberg

This paper presents a personal spatial hypertext author-ing system called The Frame Stack Project, implemented as a lightweight set of classes in the generic object framework Morphic, available in the programming environment Squeak. Morphic provides a kind of off-the-shelf toolkit of objects and behaviors extremely relevant to spatial hypertext. In this project, run-time vs. au-thoring behavior...

2014
T-Frame Bridge Pengzhen Lu Fangyuan Li Changyu Shao Sheng-yong Chen

The structural behavior of T-frame bridges is particularly complicated and it is difficult using a general analytical method to directly acquire the internal forces in the structure. This paper presents a spatial grillage model for analysis of such bridges. The proposed model is validated by comparison with results obtained from field testing. It is shown that analysis of T-frame bridges may be...

2008
Yan Gong Ning Shu Liqun Lin

This paper presents a hyperspectral remote sensing image analysis frame based on homogeneous-regions. In this frame, a multi-scale segmentation method based on Spectral Code Mapping (SCM) was proposed, and spatial relationship was discussed for improved classification.

2004
Giovanni Bennardo

This work focuses on the concept of frame of reference. Levinson (2003) suggested that spatial information encoded in one frame of reference cannot be translated into another one. While this is partially true in language, I argue for a nesting relationship between frames of reference at the conceptual level. A set of spatial concepts suggested by Lehman & Bennardo (2003) informs this investigat...

2001
Mark A. Robertson Robert L. Stevenson

Compressed video may possess a number of artifacts, both spatial and temporal. Spatial compression artifacts arise as a result of quantization of the transform-domain coefficients, and are often manifested as blocking and ringing artifacts. Temporal limitations in compressed video occur when the encoder, in an effort to reduce bandwidth, drops frames. Omitting frames decreases the reconstructed...

2010
Changsong Liu Jacob Walker Joyce Y. Chai

In human robot dialogue, identifying intended referents from human partners’ spatial language is challenging. This is partly due to automated inference of potentially ambiguous underlying reference system (i.e., frame of reference). To improve spatial language understanding, we conducted an empirical study to investigate the prevalence of ambiguities of frame of reference. Our findings indicate...

1998
M. A. CLAYTON

Einstein’s general relativity with both metric and vielbein treated as independent fields is considered, demonstrating the existence of a consistent variational principle and deriving a Hamiltonian formalism that treats the spatial metric and spatial vielbein as canonical coordinates. This results in a Hamiltonian in standard form that consists of Hamiltonian and momentum constraints as well as...

1998
M. A. CLAYTON

Einstein’s general relativity with both metric and vielbein treated as independent fields is considered, demonstrating the existence of a consistent variational principle and deriving a Hamiltonian formalism that treats the spatial metric and spatial vielbein as canonical coordinates. This results in a Hamiltonian in standard form that consists of Hamiltonian and momentum constraints as well as...

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