記述式テスト自動採点システムのための手書き答案画像からの解答欄分割と文字列抽出

抄録

We propose a new segmentation process of answer section for the automatic grading system. The segmentation process is based on marginal distributions of black pixels on an answer sheet image. As a result of experiments, the correct segmentation rate of answer sectio n is 97.2% for 71 handwritten answer sheets