Online complete handwriting recognition system also handles pre-processing steps,

Online Handwriting recognition is a
process of a computer to receive and interpret intelligible handwritten input
from sources such as Pen tablets, PDA, touch-screens and other devices. The
movements of the pen tip may be sensed “on line”, for example by a
pen-based computer screen surface, a generally easier task as there are more
clues available. Handwriting recognition principally entails optical character
recognition. However, a complete handwriting recognition system also handles
pre-processing steps, formatting, performs correct segmentation into characters
and finds the most plausible Characters and words. On-line handwriting
recognition involves the automatic conversion of text as it is written on a
special digitizer or PDA, where a sensor picks up the pen-tip movements as well
as pen-up/pen-down switching. This kind of data is known as digital ink and can
be regarded as a digital representation of handwriting. The obtained signal is
converted into letter codes which are usable within computer and
text-processing applications.

For online word
recognition there are some preprocessing steps. One of themost important
pre-processing steps is dehooking as because without dehooking of a handwritten
stroke perfect recognition is not possible. Only few workshas been done on dehooking
of online handwritten characters and words. Here a new algorithm is proposed
for dehooking of online handwritten characters and words. This algorithm can be
applied for any Indian as well as foreign languages. Here we tested the
algorithm on Bengali handwritten characters and words.

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Rest
of the paper is organized as follows, Section we contains the introduction of
online handwriting recognition, preprocessing steps of online handwriting
recognition and dehooking, Section II contain Bengali script and online data
collection, Section III contain the related work of dehooking process, Section
IV contain proposed methodology, Section V describes results and discussion,
Section VI contain the concludes research work with future directions.