Patent ID: 8509572
Filing Date: 2013-08-13
Classification: G06K

Abstract:
1. A trace information processing apparatus comprising: a positional information acquisition unit that acquires a plurality of pieces of positional information respectively indicating positions where a plurality of writing frames constituting an electronic document are located in the electronic document, where each of the plurality of the writing frames is associated with two or more of the acquired pieces of positional information; a trace information acquisition unit that acquires a plurality of pieces of trace information respectively indicating a plurality of traces by an electronic writing tool on a medium while the electronic writing tool is in contact with the medium, wherein each of the plurality of traces corresponds to an individual stroke by the electronic writing tool, the electronic document is printed on the medium, and the medium comprises the writing frames; a generation unit that generates a trace information group by grouping the plurality of pieces of trace information acquired by the trace information acquisition unit; a characteristic information acquisition unit that acquires characteristic information on a position where the trace information group generated by the generation unit is located in the electronic document; and a determination unit that determines one of the plurality of writing frames as one writing frame with which the trace information group is associated, on the basis of the plurality of pieces of positional information acquired by the positional information acquisition unit and the characteristic information acquired by the characteristic information acquisition unit.