| 摘要 |
<p>PURPOSE:To facilitate the recognition processing and the recognition rate by analyzing the structure of a singular point of a curve so as to extract a simulating stroke flow of the curve thereby attaining the analysis of a hand-written line graph close to the intuition of human being. CONSTITUTION:A skeleton line extraction section 12 receives digital picture information from a picture input section 11 to extract a skeleton line and a line drawing structure analysis section 13 selects a point to be a singular point in which the number of connected line elements of the skeleton line is >=3, the singular point depending on its structure is decomposed to obtain plural stroke components. Then a matching section 14 takes matching with a standard model registered by a line drawing model section 15 depending on the structure of the singular point obtained by the analysis section 13 and the relation of connection of the stroke components thereby recognizing the inputted line drawing. Thus, the simulating stroke flow of a curve is extracted by the analysis of the structure of the singular point in such a way to approach the method of the off-line recognition to the method of on-line, the recognition is facilitated and the recognition rate is improved.</p> |
