Digital Signal Processing Reference
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Figure 5.13.
A Recursive architecture for On-line Cursive Word Recognition that
uses DAGs [Lin and Kung, 1997b]. First, the word is broken down into letters via
first level of DAG-Coding. The letters are broken down into loops and lines via a
second level of DAG-Coding. The letters and lines are represented through a Discrete
Fourier Transform and used as edge values on the second level of DAG-Coding. Once
all the edge values are available, then a DAG-Comparison is applied so that the letter
recognition results can be passed back to the first level. With the letter recognition
results, the first level applies a DAG-Comparison to find the word recognition results.
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