Adaptive pre-OCR cleanup of grayscale document images. - Ilya Zavorin; Eugene Borovikov; Mark Turner 006; Luis Hernández (DRR, 2006)

Frequency coding: an effective method for combining dichotomizers. - Srinivas Andra; George Nagy; Cheng-Lin Liu; Ilya Zavorin; Eugene Borovikov; Anna Borovikov; Luis Hernández; Kristen Maria Summers; Mark Turner 006 (DRR, 2007)