Online cursive handwriting is considered as a slow modulation of an underlying cycloidal motion. Two dimensional oscillation, with a constant linear drift, describes the general pen motion. The dynamical equations describing the oscillations are coupled through fixed ratios of the angular velocities and phase lags. The entire process is viewed as an almost constant vertical oscillatory movement with changing horizontal velocity phase lag. An estimation scheme of the cycloidal motion parameters is presented. In the estimation process, the instantaneous amplitude and phase lag of the horizontal velocity are calculated and quantized. The result is a many-to-one mapping from the continuous pen movements to discrete motor control symbols. Using this motor control representation, word spotting and matching are performed successfully.<>
Dynamical encoding of cursive handwriting
1993-01-01
484963 byte
Conference paper
Electronic Resource
English
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