1. Leedham, G., Varma, S., Patankar, A., Govindaraju, V.: Separating text and background in degraded document images—a comparison of global thresholding techniques for multi-stage thresholding. In: Proceedings of the 8th International Workshop on Frontiers in Handwriting Recognition, Niagara on the Lake, Canada, pp. 244–249 (2002)
2. Govindaraju, V., Srihari, N.: Separating handwritten text from overlapping nontextual contours. In: Proceedings of the International Workshop on Frontiers in Handwriting Recognition, Chateau de Bonas, France, pp. 111–119 (1991)
3. Franke, K., Köppen, M.: A computer-based system to support forensic studies on handwritten documents. IJDAR 3, 218–231 (2001)
4. Sharma, G.: Show-through cancellation in scans of duplex printed documents. IEEE Trans. Image Process. 10(5), 736–754 (2001)
5. Dubois, E., Pathak, A.: Reduction of bleed-through in scanned manuscript documents. In: Proceedings of the IS&T Image Processing, Image Quality, Image Capture Systems Conference, Montreal, Canada, pp. 177–180 (2001)