A Document Image Retrieval Method Tolerating Recognition and Segmentation Errors of OCR using Shape-Feature and Multiple Candidates. - Taizo Kameshiro; Takashi Hirano; Yasuhiro Okada; Fumio Yoda (ICDAR, 1999)

A Document Retrieval Method from Handwritten Characters Based on OCR and Character Shape Information. - Taizo Kameshiro; Takashi Hirano; Yasuhiro Okada; Fumio Yoda (ICDAR, 2001)