Comment:
Johnatan
Summary
This paper propose a system to recognize a sketch by using the sound of the sketching device only. A stethoscope mic is attached to the surface that the sketching will be made and the audio during the sketch process is recorded. Then the audio file is processed and looking at the amplitude data, some recognition decisions are made. The author talks about %90 accuracy for some simple shapes.
Discussion
Having worked on the same idea, I can say that the problem is not an easy one. There are to many variations in the recordings of the same shape. Only very very simple shapes can be recognized effectively. And I wonder there could be any application domain for this idea.
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