projection data | Sciweavers

9

PR
2007

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Image reconstruction from limited range projections using orthogonal moments

13 years 4 months ago

A set of orthonormal polynomials is proposed for image reconstruction from projection data. The relationship between the projection moments and image moments is discussed in detai...

Huazhong Shu, Jian Zhou, Guo-Niu Han, Limin Luo, J...

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14

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TMI
1998

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A Harmonic Decomposition Reconstruction Algorithm for Spatially-Varying Focal Length Collimators

13 years 4 months ago

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—Spatially varying focal length fan-beam collimators can be used in single photon emission computed tomography to improve detection efﬁciency and to reduce reconstruction artif...

Jiangsheng You, Zhengrong Liang, Shanglian Bao

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11

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SIAMSC
2008

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Limited Data X-Ray Tomography Using Nonlinear Evolution Equations

13 years 4 months ago

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A novel approach to the X-ray tomography problem with sparse projection data is proposed. Non-negativity of the X-ray attenuation coefficient is enforced by modelling it as max{(x)...

Ville Kolehmainen, Matti Lassas, Samuli Siltanen

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11

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WSCG
2004

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Ultrasonic Refractive Index Tomography

13 years 5 months ago

$Ultrasonic Refractive Index Tomography$

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Ultrasonic computed tomography (UCT) is one of the methods capable of tissue characterization. It is expected to provide not only a quantitative image but also diagnostic informat...

Chuchart Pintavirooj, Adisak Romputtal, Akkapob Ng...

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