Rakesh, Rishi RChaudhuri, PMurthy, C A2012-01-012012-01-012004IEEE Transactions on image processing, v.13, no.7, p.927-936http://hdl.handle.net/10263/2707enFixed and adaptive choices for parametersLocal standardization for thresholdingNonmaxima suppressionSmoothing techniqueThresholding with hysteresisArticle