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Since most local descriptors of shape are not scale invariant, we usually make the line drawings or object contours in an image database the same size through scale normalization, before applying shape recognition procedures. Drawings produced by scale normalization are suitable for such descriptors if the whole of the original drawings are similar in shape. They are, however, not suitable if parts...
This paper presents a new method of capturing digital ink for pen-based computing. Current technologies such as tablets, ultrasonic and the Anoto pens rely on special mechanisms for locating the pen tip,which result in limiting the applicability.Our proposal is to ease this problem-a camera pen that allows us to write on ordinary paper for capturing digital ink. A document image retrieval method called...
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