Evaluation Framework for Video OCR. - Padmanabhan Soundararajan; Matthew Boonstra; Vasant Manohar; Valentina N. Korzhova; Dmitry B. Goldgof; Rangachar Kasturi; Shubha Prasad; Harish Raju; Rachel Bowers; John S. Garofolo (ICVGIP, 2006)