ImageAlign[image_1, image_2] returns a version of image_2 that is aligned with image_1.
VertexInComponent[g, {v_1, v_2, ...}] gives the vertices in the graph g that have a directed path to at least one of v_1, v_2, ....VertexInComponent[g, {v_1, v_2, ...}, k] ...
int MLGetInteger16 (MLINK link, short *i) gets a 16-bit integer from the MathLink connection specified by link and stores it as a C short in i.
int MLGetInteger32 (MLINK link, int *i) gets a 32-bit integer from the MathLink connection specified by link and stores it in i.
ColorQuantize[image, n] gives an approximation to image that uses only n distinct colors.
DirectoryQ["name"] gives True if the directory with the specified name exists, and gives False otherwise.
FileExistsQ["name"] gives True if the file with the specified name exists, and gives False otherwise.
GeoDestination[pos, {d, \[Alpha]}] gives the geodetic position reached by going distance d in azimuthal direction \[Alpha] from pos.
HexadecimalCharacter represents a hexadecimal digit character 0\[Dash]9, a\[Dash]f, A\[Dash]F in StringExpression.
ImageReflect[image] reverses image by top-bottom mirror reflection. ImageReflect[image, side] reverses image by reflecting it so that the specified side goes to the opposite ...