Andy C. Downton, Graham Leedham. Preprocessing and presorting of envelope images for automatic sorting using OCR. Pattern Recognition, 23(3-4):347-362, 1990. [doi]
@article{DowntonL90, title = {Preprocessing and presorting of envelope images for automatic sorting using OCR}, author = {Andy C. Downton and Graham Leedham}, year = {1990}, doi = {10.1016/0031-3203(90)90022-D}, url = {http://dx.doi.org/10.1016/0031-3203(90)90022-D}, tags = {C++}, researchr = {https://researchr.org/publication/DowntonL90}, cites = {0}, citedby = {0}, journal = {Pattern Recognition}, volume = {23}, number = {3-4}, pages = {347-362}, }