Dataset Open Access

Tomographic X-ray data of a lotus root filled with attenuating objects

Bubba, Tatiana A.; Hauptmann, Andreas; Huotari, Simo; Rimpeläinen, Juho; Siltanen, Samuli

This is an open-access dataset of tomographic X-ray data of a slice of a lotus root. The dataset consists of

  • the X-ray sinogram of a single 2D slice of the lotus root with two 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 360-projection fan-beam sinogram by down-sampling and taking logarithms. The original (measured) sinogram is also provided in its original form and resolution.

Also MATLAB code for reconstructions using filtered back-projection, Landweber iteration, and Tikhonov regularization are provided.

Documentation of the dataset is available at arxiv.org/abs/1609.07299. See also www.fips.fi/dataset.php.

Files (446.6 MB)
Name Size
Lotus_FBP.m
md5:e5022971b516a15c306dc8f854888332
1.0 kB Download
Lotus_Landweber.m
md5:d1f014d50b370ae8d322fce273a72991
1.2 kB Download
Lotus_Tikhonov.m
md5:19c370908c9a48025aba6f9978dd2ab6
1.4 kB Download
LotusData128.mat
md5:da8b8d64b3becf987d84c6a2eceda2eb
110.7 MB Download
LotusData256.mat
md5:1018082cd42dd1633fdd9bb486af338d
332.6 MB Download
MD5SUMS
md5:646b4546cc383a217f3194f7a8a02d17
292 Bytes Download
sinogram.mat
md5:18f419e8f4e5c0a59a6256fa3444eeb6
3.3 MB Download
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