Mathematical Formula Detection in Heterogeneous Document Images

• Main Authors: Fan Liu, 劉帆
• Other Authors: Wei-Ta Chu
• Format: Others
• Language: en_US
• Published: 2013
• Online Access: http://ndltd.ncl.edu.tw/handle/59422837155967118173

碩士 === 國立中正大學 === 資訊工程研究所 === 102 === This thesis presents mathematical formula detection in heterogeneous document images that may contain figures, tables, text, and math formulas. We adopt the method originally proposed for sign detection in natural images to detect non-homogeneous regions and accordingly achieve text line detection and segmentation. Novel features based on centroid fluctuation information of non-homogeneous regions are proposed to more appropriately characterize both displayed formulas and embedded formulas. By comparing the proposed method with previous works, we demonstrate the effectiveness of the proposed features.