1. A computer implemented method for detecting features in an image, comprising: receiving, by one or more processors, first and second images; processing, by the one or more processors, the first image to detect one or more features within the first image and to produce one or more processed portions of the first image; processing, by the one or more processors, the second image to detect one or more features within the second image and to produce one or more processed portions of the second image; generating, by the one or more computing devices, a third image based on at least one of the one or more processed portions of the first image and the one or more processed portions of the second image; and outputting, to one or more other processors, the third image.