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The segmentation of cursive handwriting: an approach based on off-line recovery of the motor-temporal information

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2 Author(s)
Plamondon, Rejean ; Dept. de Genie Electr., Ecole Polytech. de Montreal, Que., Canada ; Privitera, C.M.

This paper presents a segmentation method that partly mimics the cognitive-behavioral process used by human subjects to recover motor-temporal information from the image of a handwritten word. The approach does not exploit any thinning or skeletonization procedure, but rather a different type of information is manipulated concerning the curvature function of the word contour. In this way, it is possible to detect the parts of the image where the original odometric information is lost or ambiguous (such as, for example, at an intersection of the handwritten lines) and interpret them to finally recover a part of the original temporal information. The algorithm scans the word, following the natural course of the line, and attempts to reproduce the same movement as executed by the writer during the generation of the word. It segments the cursive trace where the contour shows the slow-down of the original movement (corresponding to the maximum curvature points of the curve). At the end of the scanning process, a temporal sequence of motor strokes is obtained which plausibly composed the original intended movement

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Image Processing, IEEE Transactions on  (Volume:8 ,  Issue: 1 )