DecodeImage decodes the image file to *image.NRGBA type.

GetImage retrieves and decodes the image file to *image.NRGBA type.

ImgToNRGBA converts any image type to *image.NRGBA with min-point at (0, 0).

NewPigo initializes the Pigo constructor method.

NewPuplocCascade initializes the PuplocCascade constructor method.

RgbToGrayscale converts the image to grayscale mode.

CascadeParams contains the basic parameters to run the analyzer function over the defined image.

Detection struct contains the detection results composed of the row, column, scale factor and the detection score.

FlpCascade holds the binary representation of the facial landmark points cascade files.

ImageParams is a struct for image related settings.

Pigo struct defines the basic binary tree components.

Puploc contains all the information resulted from the pupil detection needed for accessing from a global scope.

PuplocCascade is a general struct for storing the cascade tree values encoded into the binary file.