PURPOSE: To provide a method for analyzing a picture showing graphical expression. CONSTITUTION: This method for analyzing picture data is provided with a step for obtaining input picture data defining an input picture showing a row/ column expression with a row and a column; a step for obtaining row and column data by using input picture data or a step in which row data shows the part of the input picture within the row of a row/column expression, column data shows the part of the input picture within the column of row/column expression and a row/column expression expresses information on the combination of a row and a column; and a step for obtaining content data by using row data and column data or a step in which content data shows information expressed by the row/column expression concerning the combination of a row and a column.
PICTURE DATA ANALYSIS METHOD