Content

The data is images and labels / annotations for mammography scans. More about the database can be found at MIAS. The 'Preview' kernel shows how the Info.txt and PGM files can be parsed correctly.

Labels

• 1st column:
  MIAS database reference number.

• 2nd column:
  Character of background tissue:
  F Fatty
  G Fatty-glandular
  D Dense-glandular

• 3rd column:
  Class of abnormality present:
  CALC Calcification
  CIRC Well-defined/circumscribed masses
  SPIC Spiculated masses
  MISC Other, ill-defined masses
  ARCH Architectural distortion
  ASYM Asymmetry
  NORM Normal

• 4th column:
  Severity of abnormality;
  B Benign
  M Malignant

• 5th, 6th columns:
  x,y image-coordinates of centre of abnormality.

• 7th column:
  Approximate radius (in pixels) of a circle enclosing the abnormality.
  There are also several things you should note:
  The list is arranged in pairs of films, where each pair represents the left (even filename numbers) and right mammograms (odd filename numbers) of a single patient.
  The size of all the images is 1024 pixels x 1024 pixels. The images have been centered in the matrix.
  When calcifications are present, centre locations and radii apply to clusters rather than individual calcifications. Coordinate system origin is the bottom-left corner.
  In some cases calcifications are widely distributed throughout the image rather than concentrated at a single site. In these cases centre locations and radii are inappropriate and have been omitted.

Acknowledgements/LICENCE

MAMMOGRAPHIC IMAGE ANALYSIS SOCIETY
MiniMammographic Database
LICENCE AGREEMENT
This is a legal agreement between you, the end user and the
Mammographic Image Analysis Society ("MIAS"). Upon installing the
MiniMammographic database (the "DATABASE") on your system you are
agreeing to be bound by the terms of this Agreement.

1. GRANT OF LICENCE
   MIAS grants you the right to use the DATABASE, for research purposes
   ONLY. For this purpose, you may edit, format, or otherwise modify the
   DATABASE provided that the unmodified portions of the DATABASE included
   in a modified work shall remain subject to the terms of this Agreement.
2. COPYRIGHT
   The DATABASE is owned by MIAS and is protected by United Kingdom
   copyright laws, international treaty provisions and all other
   applicable national laws. Therefore you must treat the DATABASE
   like any other copyrighted material. If the DATABASE is used in any
   publications then reference must be made to the DATABASE within that
   publication.
3. OTHER RESTRICTIONS
   You may not rent, lease or sell the DATABASE.
4. LIABILITY
   To the maximum extent permitted by applicable law, MIAS shall not
   be liable for damages, other than death or personal injury,
   whatsoever (including without limitation, damages for negligence,
   loss of business, profits, business interruption, loss of
   business information, or other pecuniary loss) arising out of the
   use of or inability to use this DATABASE, even if MIAS has been
   advised of the possibility of such damages. In any case, MIAS's
   entire liability under this Agreement shall be limited to the
   amount actually paid by you or your assignor, as the case may be,
   for the DATABASE.

Inspiration

Automatically finding lesions would be a very helpful tool for physicians, also predicting malignancy based on a found/marked lesion