Dataset Open Access
Tomographic X-ray data of a walnut
Hämäläinen, Keijo; Harhanen, Lauri; Kallonen, Aki; Kujanpää, Antti; Niemi, Esa; Siltanen, Samuli
This is an open-access dataset of tomographic X-ray data of a walnut. The dataset consists of the X-ray sinogram of a single 2D slice of the walnut with three different resolutions and the corresponding measurement matrices modeling the linear operation of the X-ray transform. Each of these sinograms was obtained from a measured 120-projection fan-beam sinogram by down-sampling and taking logarithms. The original (measured) sinogram is also provided in its original form and resolution.
In addition, a larger set of 1200 projections of the same walnut was measured and a high-resolution filtered back-projection reconstruction was computed from this data; both the sinogram and the FBP reconstruction are included in the dataset, the latter serving as a ground truth reconstruction.
Documentation of the dataset is available at arxiv.org/abs/1502.04064. See also www.fips.fi/dataset.php.
| Name | Size | |
|---|---|---|
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Data164.mat
md5:71600ad279ef231eaaa269d78c447b85 |
33.2 MB | Download |
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Data328.mat
md5:4172c77195df57e4c289b9f0f2440b82 |
135.8 MB | Download |
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Data82.mat
md5:5698942708300bc34b87931c6d91f6b6 |
8.1 MB | Download |
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Documentation_v1.pdf
md5:d6da2e6ade614f073e065d9add0b809e |
5.2 MB | Download |
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example.m
md5:32b784dc5a30b9dcad534a232dd1b5ac |
1.1 kB | Download |
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FullSizeSinograms.mat
md5:b1743cd69d3027c50ad5501373ead2b0 |
3.9 MB | Download |
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GroundTruthReconstruction.mat
md5:4730bc6421133b71b755fbd892a8e515 |
9.7 MB | Download |
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MD5SUMS
md5:4d7952c7f3bbba40b49c1f34de1d089e |
349 Bytes | Download |
| All versions | This version | |
|---|---|---|
| Views | 2,733 | 2,735 |
| Downloads | 5,638 | 5,638 |
| Data volume | 170.3 GB | 170.3 GB |
| Unique views | 2,406 | 2,408 |
| Unique downloads | 2,353 | 2,353 |
- Publication date:
- February 11, 2015
- DOI:
-
- Keyword(s):
- X-ray Radon transform inverse problem
- Related identifiers:
- Documented by
- Communities:
- License (for files):
- Creative Commons Attribution 4.0 International