Hybrid image registration techniques

A non-transitory program storage device comprising computer readable instructions executable by one or more processors to cause the one or more processors to:

• obtain a first set of captured images, wherein the first set of captured images comprises a reference image and one or more bracketed images;
• and
• for each of the one or more bracketed images:
• perform a first registration operation and a second registration operation on the bracketed image with respect to the reference image, wherein each of the first registration operation and the second registration operation produces an output;
• generate a blend map for the bracketed image, wherein each value in the blend map indicates whether to use the first registration operation output or the second registration operation output for a corresponding one or more pixels when registering the bracketed image with the reference image;
• and
• register the bracketed image with the reference image, according to the generated blend map.

An image processing method, comprising:

• obtaining a first set of captured images, wherein the first set of captured images comprises a reference image and one or more bracketed images;
• and
• for each of the one or more bracketed images:
• performing a global registration operation and a dense registration operation on the bracketed image with respect to the reference image, wherein each of the global registration operation and the dense registration operation produces an output;
• generating a blend map for the bracketed image, wherein each value in the blend map indicates whether to use the global registration operation output or the dense registration operation output for a corresponding one or more pixels when registering the bracketed image with the reference image;
• and
• registering the bracketed image with the reference image, according to the generated blend map.