| 3D Electronic Microscopy volumes | 2 distinct datasets: noiseless and noisy.
Credit: C.O. Sorzano, CSIC, Spain.GPL license | 143x143x143, GIF and PNG |  |
| 3D Positron Emission Tomography images-I | IQ phantom: two different slices are shown. One for measuring resolution and the other one for estimating noise and
Credit: Joaquin Lopez, UCM (Spain). GPL license | 175x175 voxels; raw format, 32bits little-endian |  |
| 3D Positron Emission Tomography images-II | MOBY phantom. The whole volume of the phantom is shown
Credit: Joaquin Lopez, UCM (Spain). GPL license | 175x175x265 voxels; raw format, 32bits little-endian |  |
| Defective textile textures | Examples of different deffects in textile textures.
Credit: Maria Sagrario Millan, UPC (Spain). GPL license | 256x256 pixels; tif format |  |
