Sampling Conditions in Tomography

Desbat, Laurent; Mennessier, Catherine

doi:10.1002/9780470611784.ch3

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2021

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“…Let us elaborate the numbers of sampling points need for each sampling scheme. Taking the limit ϑ → 1, (10) becomes…”

Section: Further Discussionmentioning

confidence: 99%

Sampling for the V-line transform with vertex on a circle

Nguyen¹,

Nguyen²

2021

Inverse Problems

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In this paper, we consider a special V-line transform in the two dimensional space. It integrates a given function f over the V-lines whose vertices are on a circle centered at the origin and whose symmetric axes pass through the origin. We study the sampling problem of this V-line transform. Namely, we consider the problem of recovering the continuous data from its discrete samples. Under suitable conditions, we prove an error estimate of the recovery. The error estimate is explicitly expressed in terms of f . We then elaborate the required conditions for two sampling schemes: standard and interlaced ones. Finally, we analyze the number of sampling points needed for each case.

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“…Let us elaborate the numbers of sampling points need for each sampling scheme. Taking the limit ϑ → 1, (10) becomes…”

Section: Further Discussionmentioning

confidence: 99%