18. An image capture device, comprising: an image sensor; a memory electrically coupled to the image sensor; a display operatively coupled to the memory; and one or more processors operatively coupled to the image sensor, the memory, and the display, wherein the one or more processors are configured to execute instructions stored in the memory to cause the image capture device to— capture three or more images in sequence by the image sensor, wherein each image includes a plurality of channel types, and wherein each image has at least one channel of each of the plurality of channel types, select one of the three or more images to serve as a reference image, wherein each of the other images not selected as the reference image is selected to serve as an input image, register each of the input images to the reference image, apply multi-band noise reduction to the reference image to generate a filtered pyramidal representation of each of the reference image's channels, wherein the pyramidal representation of each of the reference image's channels comprises a plurality of levels, apply multi-band noise reduction to each input image to generate a filtered pyramidal representation of each channel of each input image, wherein the pyramidal representation of each channel of each input image comprises a plurality of levels, fuse, on a level-by-level basis, each of the reference image's filtered pyramidal representations with a corresponding filtered pyramidal representation of each input image to generate a fused image channel for each channel of the reference image, and save the fused image channels to the memory.
24. The image capture device of claim 18 , wherein the instructions to fuse are based on a similarity measure that accounts for a black level difference between the reference image and at least one input image.