Vehicle driving assistance apparatus, vehicle driving assistance method, and computer-readable storage medium storing vehicle driving assistance program

A vehicle driving assistance apparatus comprises an image acquisition device which takes and acquires an image of a predetermined range including a predetermined area around an own vehicle as a predetermined range image, an image projection device which projects an information providing image onto the predetermined area, and a displaying device which displays the predetermined range image and a driving assistance image, overlapping the predetermined range image. The apparatus displays the predetermined range image while decreasing a visibility of one of the driving assistance image and the information providing image in the predetermined range image when both of a displaying condition and a projecting condition become satisfied. The information providing image indicates information on the own vehicle. The driving assistance image assists a driving operation to the own vehicle by the operator.