BRIEF DESCRIPTION OF THE DRAWINGS
Exemplary embodiments of the disclosure will be described below in detail with reference to the accompanying drawings in which:
FIG. 1 is an outline view of an embroidery sewing machine;
FIG. 2 is an overall configuration diagram showing physical configuration of an embroidery data creation apparatus;
FIG. 3 is a block diagram showing electrical configuration of an embroidery data creation apparatus;
FIG. 4 is an information relationship diagram showing information used when embroidery data is created and a relationship thereof;
FIG. 5 is a schematic view showing configuration of an angle information storage area;
FIG. 6 is a flowchart showing a procedure of creating embroidery data from original image data;
FIG. 7 is a flowchart of angle information computing process;
FIG. 8 is a schematic view showing luminance values of a specific pixel and its surrounding pixels;
FIG. 9 is a schematic view showing a result of computation of an absolute value of a difference from pixel data in the right direction to each pixel;
FIG. 10 is a schematic view showing a result of computation of an absolute value of a difference from pixel data in the lower right direction to each pixel;
FIG. 11 is a schematic view showing a result of computation of an absolute value of a difference from pixel data in the down direction to each pixel;
FIG. 12 is a schematic view showing a result of computation of an absolute value of a difference from pixel data in the lower left direction to each pixel;
FIG. 13 is a schematic view partially showing only angle characteristic strength of initial angle information before expansion;
FIG. 14 is a schematic view partially showing only angle characteristic strength of re-computed angle information when a schematic view is expanded twice;
FIG. 15 is a schematic view partially showing only angle characteristic strength of re-computed angle information according to a first expansion computing method;
FIG. 16 is a schematic view partially showing only angle characteristic strength of re-computed angle information according to a second expansion computing method;
FIG. 17 is a schematic view partially showing only angle characteristic strength of initial angle information before expansion;
FIG. 18 is a schematic view showing configuration of a calculation process array partially indicating the angle characteristic strength in the course of calculation in re-computation according to a third expansion computing method;
FIG. 19 is a schematic view showing configuration of a calculation process array partially indicating the angle characteristic strength in the course of calculation according to a third expansion computing method;
FIG. 20 is a schematic view partially showing only angle characteristic strength of re-computed angle information according to a third expansion computing method;
FIG. 21 is a schematic view partially showing only angle characteristic strength of initial angle information before reduction;
FIG. 22 is a schematic view partially showing only angle characteristic strength of re-computed angle information according to a first reduction re-computing method;
FIG. 23 is a schematic view partially showing only angle characteristic strength of initial angle information before reduction;
FIG. 24 is a schematic view showing configuration of a calculation process array in the course of calculation in re-computation according to a second reduction computing method;
FIG. 25 is a schematic view showing configuration of a calculation process array in the course of calculation in re-computation according to a second reduction computing method;
FIG. 26 is a schematic view partially showing only angle characteristic strength of re-computed angle information according to a second reduction computing method;
FIG. 27 is a flowchart of angle information correction process;
FIG. 28 is a schematic view of the case where correction is made by adding a predetermined value (a first correction method);
FIG. 29 is a schematic view of the case where correction is made by adding a predetermined value to a value greater than a lower limit value (a second correction method);
FIG. 30 is a schematic view of the case where correction is made by multiplying by a predetermined value (a third correction method);
FIG. 31 is a schematic view of the case where correction is made by multiplying a value greater than the lower limit value by a predetermined value (a fourth correction method);
FIG. 32 is a schematic view of the case where correction is made by adding a predetermined value to any values excluding outliers by the first correction method, if angle characteristic strength excluding the outliers is lower than a threshold;
FIG. 33 is a view of angle characteristic strength correction select screen;
FIG. 34 is a view of angle characteristic strength correction volume set screen;
FIG. 35 is a schematic view showing a relationship between pixels and line segments when the angular component is 45 degrees;
FIG. 36 is a view of angle characteristic adjustment selection screen; and
FIG. 37 is a view of luminance adjust screen.