Array cameras including an array camera module augmented with a separate camera

An array camera, comprising:

• an array camera module comprising a plurality of cameras that capture images of a scene from different viewpoints;
• a single camera, where the single camera captures an image of the scene from a different viewpoint to the viewpoints of the cameras in the array camera module;
• a processor;
• and
• memory in communication with the processor;
• wherein software stored in the memory that when read by the processor directs the processor to:
• obtain a first set of images captured from different viewpoints using the cameras in the array camera module and a second set of images captured using the single camera, where the images in the first set of images and the images in the second set of images are captured from different viewpoints;
• select a reference viewpoint relative to the viewpoints of the first set of images captured from different viewpoints using the array camera module;
• determine depth estimates for pixel locations in an image from the reference viewpoint using the images in the first set of images captured by the array camera module, wherein generating a depth estimate for a given pixel location in the image from the reference viewpoint comprises:
• identifying corresponding pixels in each of at least two images from different view points the first set of images captured by the array camera module that correspond to the given pixel location in the image from the reference viewpoint based upon expected disparity at a plurality of depths;
• comparing the similarity of the corresponding pixels from the at least two images from the first set of images identified at each of the plurality of depths;
• and
• selecting a depth from the plurality of depths at which the identified corresponding pixels have the highest degree of similarity as the depth estimate for the given pixel location in the image from the reference viewpoint;
• and
• generate a depth map for an image in the second set of images captured by the single camera using the depth estimates for pixel locations in the image from the reference viewpoint by:
• identifying pixels in the image from the second set of images captured by the single camera corresponding to pixels in the image from the reference viewpoint for which the depth estimates were determined using images in the first set of images captured by the cameras in the array camera module;
• and
• applying the depth estimates determined using the images in the first set of images captured by the array camera module to the corresponding pixels in the image from the second set of images captured by the single camera.