Dynamic Error Measure for Curve Scan - Conversion
نویسندگان
چکیده
A bstractThis paper reports some pioneering results on a new research topic in computer graphics: the mea· surement of raster image quality in terms of reproduction of curve spatial coherence when it has been generated by scan-conversion . A dynamic error for curve scan · conversion is defined to measure the distortion of curve spatial coherence (the dynamic context , smoothness and continuity of the original curve) caused by scan-conversion. It is shown that the previous criterion of minimizing the distance between the pixel chosen and the actual curve may fail to reproduce the most aesthetic discrete curves allowed by a given resolution . Analytic results are given to argue that the new dynamic error measure is superior to the previous measure for overall raster image quality.
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