An intelligent digital pen that helps to learn handwriting
is being developed in the Franco-German project “Kaligo-based Intelligent
Handwriting Teacher” (KIHT). The Karlsruhe Institute of Technology (KIT)
coordinates the joint project funded by the Federal Ministry of Education and
Research. The KIT scientists are researching artificial intelligence (AI)
algorithms that enable a trace of writing to be reconstructed and handwriting
to be interpreted. The intelligent learning device should benefit as many
students as possible. bolts
Handwriting is an essential tool of the knowledge society:
Studies have repeatedly shown that handwritten drafting of a text leads to a
higher quality result than typing. A new project aims to make learning
handwriting easier and combines handwriting with digital media: In the joint
project “Kaligo-based Intelligent Handwriting Teacher” (KIHT), partners from
research and industry in Germany and France are developing an intelligent
digital pen. The innovative learning device has all the important properties of
a conventional pen and can be used for writing on paper. However, it has
inertial sensors that make it possible to detect the smallest changes in the
three spatial axes and to determine each position in succession.The intelligent
digital pen can be connected to all standard mobile devices, for example a
tablet, and interacts with the Kaligo mobile app. This makes it possible to
individually adapt the exercises and to automatically synchronize and save the
data.
Teachers are given more freedom for creative and communicative tasks
“The use of the intelligent digital pen together with
suitable computer programs enables the learning of handwriting to be
accompanied automatically. This gives teachers and parents more freedom for
creative and communicative tasks, ”explains Professor Jürgen Becker, head of
the Institute for Information Processing Technology (ITIV) at KIT. The French
partners, L'IRISA (Institut de Recherche en Informatique et Systèmes
Aléatoires) and Learn & Go, both in Rennes, are primarily concerned with the
AI software and algorithms. The company Learn & Go has developed the mobile
app Kaligo for practicing handwriting. The German partners are primarily
concerned with the integration of suitable AI concepts in the embedded
systems,the KIT and the writing instrument manufacturer STABILO International
in Heroldsberg. The KIT coordinates the project.
Researchers develop concepts for integrating the algorithms
The working group of Professor Jürgen Becker at the ITIV of
the KIT is researching algorithms that are suitable for reconstructing a
written trace and interpreting the handwriting. The researchers are developing
various concepts for integrating the AI algorithms, adapted to the entrenched
hardware. This distributes the complication of the overall system to both the
software and the hardware, which enables fast and efficient AI execution. The
aim is to enable an online reconstruction of the pen trace from the sensor data
and to develop efficient and miniaturizing hardware that can interact with all
mobile devices available on the market. A practical test with a demonstration
system is planned to conclude the KIHT project. Team leader Dr.Tanja Harbaum
(ITIV) points out the great potential of the intelligent digital pen,
especially for schools: "In this joint project, high-ranking international
partners from science and business are pooling their skills in order not only
to advance current research, but also to provide an innovative product, that
can benefit many children. "
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