نتایج جستجو برای: coordinate system

تعداد نتایج: 2260425  

2000
Alper YILMAZ Mubarak Ali Shah

Alper YILMAZ Mubarak Ali Shah University of Central Florida {yilmaz, shah}@cs.ucf.edu Abstract In this study, a new framework for parsing a video sequence into shots is presented. The new algorithm uses eigenspace decomposition of the RGB color space to describe the frames in a more descriptive coordinate system. The new basis eliminates the stumbling blocks of current shot detection approaches...

2011
Abbas N Moghaddam Yutaka Natsuaki J Paul Finn

Introduction Strain of the myocardium is conventionally presented in the polar coordinate system since it adapts best to the morphology of the heart. Strain calculation would be facilitated considerably if the CMR tagging patterns were in the radial or circumferential direction. However, the CMR tagging is implemented mostly in the Cartesian coordinate system as it is prescribed by SPAMM techni...

1998
Mark Devaney

We are researching the problem of plan recognition in a complex real-world domain consisting of training battles conducted by actual troops at the US Army’s National Training Center. These battles involve hundreds of participants, last several days, and take place over a very large geographical area. Our task is to identify from this data repeated patterns of movement which correspond to planne...

2007
Gregory F. Masters Stuart F. Gregson

Antenna measurement data is collected over a surface as a function of position relative to the antenna. The data collection coordinate system directly affects how data is mapped to the surface: planar, cylindrical, spherical or other types. Far-field measurements are usually mapped or converted to spherical surfaces from which directivity, polarization and patterns are calculated and projected....

2001
Asker M. Bazen Sabih H. Gerez

In this paper, an intrinsic coordinate system is proposed for fingerprints. First the fingerprint is partitioned in regular regions, which are regions that contain no singular points. In each regular region, the intrinsic coordinate system is defined by the directional field. When using the intrinsic coordinates instead of pixel coordinates, minutiae are defined with respect to their position i...

2006
M. Swisdak

A strong magnetic field can make it advantageous to work in a coordinate system aligned with dipolar field lines. This monograph collect the formulas for some of the most frequently used expressions and operations in dipole coordinates. In some physical systems (e.g., the terrestrial ionosphere or the solar corona) the magnetic field can impose a strong anisotropy by restricting transport proce...

Journal: :مهندسی بیوسیستم ایران 0
ایمان احمدی محمدعلی قضاوی سعید مینائی محمدعلی برقعی

yield monitoring is one of the essential steps in the implementation of precision farming. yield maps derived from yield monitoring system, clearly show crop yield variations. research reports on preparing hay and forage yield maps are fewer in number and extent than those on grain crop. in this research, a method was developed for estimating alfalfa hay yield from a map developed for a small s...

Journal: :International Astronomical Union Colloquium 1980

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