نتایج جستجو برای: local radon transform

تعداد نتایج: 644278  

2003
Antoine Guitton

Three multiple attenuation techniques are tested on a Gulf of Mexico dataset. These methods are (1) a hyperbolic Radon transform followed by a mute (2), the Delft approach and (3), a pattern-based technique. The Radon transform separates multiples and primaries according to their moveout. The Delft approach models the multiples and subtracts them by estimating adaptive filters. The pattern-base...

2003
A. A. Bukhgeim

In this paper we derive explicit inversion formulas for recovering scalar and vector fields supported on the unit disk from their 2D attenuated Radon transform in the framework of the fan-beam scanning geometry. The attenuation function is supposed to be known (from additional transmission measurements, for instance). It is known that in the vector case the kernel of the (unattenuated) Radon tr...

2004
Michael Greenblatt

The purpose of this paper is to extend and clarify the methods of the papers [G1] and [G2] by using the methods of [G3], incorporating ideas from Carnot-Caratheodory geometry such as those of the fundamental paper [NSW]. We will thereby prove an analogue for singular Radon transforms to the T (1) theorem of David and Journe [DJ]. As in [G1] and [G2], we will associate a singular integral operat...

Journal: :SIAM Journal on Mathematical Analysis 1979

Journal: :Proceedings of the American Mathematical Society 1978

Journal: :TURKISH JOURNAL OF ELECTRICAL ENGINEERING & COMPUTER SCIENCES 2015

Journal: :International Journal of Computer Applications 2015

Journal: :Pacific Journal of Mathematics 1997

Journal: :Journal of Combinatorial Theory, Series A 1987

Journal: :EPL (Europhysics Letters) 2012

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