TY - RPRT TI - Error-tolerant sign retrieval using visual features and maximum a posteriori estimation. AU - Chung-Hsien Wu AU - Yu-Hsien Chiu AU - Kung-Wei Cheng PY - 2004 DO - 10.1109/tpami.2004.1265864 UR - https://pubmed.ncbi.nlm.nih.gov/15382653/ ID - 15382653 ER -