TY  - RPRT
TI  - Noise cleaning in binary-valued digital pictures using 'propagation' processes
AU  - Park, C. M.
AU  - Rosenfeld, A.
AU  - Strong, J. P.
PY  - 1969
UR  - https://ntrs.nasa.gov/citations/19710004025
ID  - 19710004025
ER  -