Font-independent spotting of user-defined keywords in a scanned image. Word identification is based on features of the entire word without the need for segmentation or OCR, and without the need to recognize non-keywords. Font-independent character models are created using hidden Markov models (HMMs)...http://www.google.fr/patents/US5592568?utm_source=gb-gplus-shareBrevet US5592568 - Word spotting in bitmap images using context-sensitive character models without baselines
Word spotting in bitmap images using context-sensitive character models ...
