1. A method of providing an enhanced full-color image of a scene, comprising using a processor (or computer) to perform the steps of: a. using a captured image of the scene that was captured by a two-dimensional sensor array having both color pixels corresponding to at least three color photoresponses and panchromatic pixels; b. forming the full-color image in response to the captured color pixels; c. forming a reference panchromatic image in response to the captured panchromatic pixels; d. forming an edge map in response to the reference panchromatic image; and e. using the edge map to enhance the full-color image.