US Patent 10029621 Rear view camera system using rear view mirror location

A rearward viewing system for an automotive vehicle comprises an image display mounted proximate to a front windshield of the vehicle. An exterior image sensor captures a first image directed externally of the vehicle with a first field of view. An internal image sensor captures a second image directed internally of the vehicle with a second field of view. An image integrator merges the first and second images according to a predetermined alignment of the first and second fields of view, wherein the second image is muted in the merged image so that the first image is emphasized when displayed on the image display.