figure_transformToBinary: Transforms figure to binary image.
Description
Transforms a figure into a black and white image. This pre-processing of the
image is necessary to help identify objects within the figure (e.g., axes,
plotted points).
A proportion from zero to one designating the gray-scale
threshold to convert pixels into black or white. Pixel intensities below
the proportion will be converted to black, and those above white. Helps
remove noise and increase contrast among candida
point_fill
If TRUE then fills empty points/symbols in figure.
point_tolerance
An integer used to designate the size of the points
to fill. Increase value to better fill empty points.
Value
An EBImage black and white object ready for object detection.