Keywords :
Artificial retina, cellular convexity, digitization of pictures, image processing by computer, minimum-perimeter polygon, pattern recognition, shape analysis, smoothing of silhouettes.; Computer science; Image analysis; Image converters; Image processing; Pattern analysis; Pattern recognition; Retina; Shape; Smoothing methods; Terminology; Artificial retina, cellular convexity, digitization of pictures, image processing by computer, minimum-perimeter polygon, pattern recognition, shape analysis, smoothing of silhouettes.;