An extraction method of solid line graph elements in mathematical graphs for automating translation of tactile graphics. - Jianjun Chen; Ryoji Nagaya; Noboru Takagi (SCIS&ISIS, 2012)

An extraction and classification method of broken line elements in mathematical graphs for automating translation of tactile graphics. - Ryoji Nagaya; Jianjun Chen; Noboru Takagi (SCIS&ISIS, 2012)

Development of a method for extracting graph elements from mathematical graphs. - Jianjun Chen; Ryoji Nagaya; Noboru Takagi (SMC, 2012)