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Issue No. 02 - March/April (1988 vol. 8)
ISSN: 0272-1716
pp: 83-89
<p>A tracking algorithm is given for curves that have equations of the form f(x,y)=0. It produces the next approximating pixel by looking for a sign difference in function evaluations at midpoints between the eight nearest neighboring pixels. The search proceeds in order of decreasing likelihood, examining the most probable candidates first.</p>
Richard E. Chandler, "A Tracking Algorithm for Implicitly Defined Curves", IEEE Computer Graphics and Applications, vol. 8, no. , pp. 83-89, March/April 1988, doi:10.1109/38.506
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