The input image where the contours will be labeled.
The name of the output contoured labels of the input image. This output will only have the contoured labels but not the input image.
A contour in the input contour file with length less than 'minlen' will not be labeled.
The height of the text in the label in pixels.
The type of font to use in the labels. The font type is taken from those available in the program FONT.