test image
Most of these images are in PBM or PGM format and compressed with GNU Zip and GNU TAR
Note: These pages show thumbnails of images and so, they are graphic intensive. If your connection is slow, please, be patient. Images are collected in groups of about 10-15 and then compressed with gzip and tar programs. You will be able to download this compressed files.
- Gray level images:
- Illusory (128x128) - 25 images
- Miscelaneous (various sizes) - 6 images
- Miscelaneous (256x256) - 68 images
- Miscelaneous (512x512) - 96 images
- Miscelaneous (bigger than 512x512) - 4 images
- Contours (different sizes) - 36 images
- Biomedical:
- Biomedical (256x256) (Miscelaneous, nematodes, MR) - 39 images
- Nematodes (512x512) - 143 images
- Nematodes 3D slides (512x512) - 5 3D slides (total 109 images)
- Astronomical
- Color images:
- Miscelaneous (128x128) - 15 images
- Miscelaneous (256x256) - 11 images
- Marble (256x256) - 19 images
- Marble (512x512) - 8 images
- Miscelaneous (512x512) - 64 images
- Biomedical (256x256) - 7 images
- Biomedical (512x512) - 11 images
Free image databases on-line:
- USC-SIPI. Signal and Image Processing Institute. University of Southern California.
Brodatz textures and others.
Aerials images.
Some sequences.
Others. - USF-DM. University of South Florida. Digital Mammography Database.
More than 2600 digitalized mammographies classified and commented. - CMU. Carnegie Mellon University. Links to image databases.
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Do you know the history of, probably, the most famous test image in the Computer Vision community? Here you can find who is Lenna and more ...
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