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Alexander Prange

Multimodality

Cognitive Assessments using Speech-based Dialogue, Smartpen and ML

Cognitive assessments have been the subject of recent debate because there are limitations when they are conducted using pen and paper. For example, the collected material is monomodal (written form) and there is no direct digitalization for further and automatic processing. Here we show how such cognitive assessments can be Read more…

By Alexander Prange, 6 yearsNovember 20, 2018 ago
Multimodality

Cognitive Load Measurement using Electrodermal Activity

Traditionally neurocognitive testing is done using pen and paper, which is both expensive and time consuming and often leads to a biased outcome. As part of the Intera-KT project select and digitize existing cognitive tests and support the assessment of cognitive impairments through automated evaluation of different input modalities recorded Read more…

By Alexander Prange, 7 yearsApril 12, 2018 ago
Machine Learning

Handwriting Spellchecker

In comparison to typing, handwriting stimulates different parts of the human brain and brings into play a very different cognitive process. Many of today’s tasks benefit from digitalization and digitization of handwriting input and with the availability of low-cost consumer grade capturing devices, such as digital pens, graphic tablets and Read more…

By Alexander Prange, 7 yearsMarch 20, 2018 ago
HCI & Virtual Reality

3D Sketching in Virtual Reality

Handwriting provides a natural and intuitive way to input text in virtual reality. We explore different approaches on how sketched user input can be captured, here we use the Oculus Rift controller as a substitute for a real pen. The user “grabs” the virtual pen using the index finger and Read more…

By Alexander Prange, 7 yearsMarch 20, 2018 ago
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