A system comprising: a nuclear imaging scanner to: execute a first nuclear imaging scan to acquire first nuclear imaging scan data of a body, wherein at least a portion of the first nuclear imaging scan data is acquired while the body is in a breath-hold position; and execute a second nuclear imaging scan to acquire second nuclear imaging scan data of the body, wherein the second nuclear imaging scan data is acquired during free breathing of the body; wherein the first nuclear imaging scan is executed at a higher scanning speed than the second nuclear imaging scan; and a processing system to: generate a target image based on the first nuclear imaging scan data ; associate each of a plurality of portions of the second nuclear imaging scan data with a respective one of a plurality of motion phases of the body; for each of the plurality of motion phases of the body, generate a binned image based on the portion of the second nuclear imaging scan data associated with the motion phase; perform motion-correction on each of the plurality of binned images based on the target image to generate a plurality of motion-corrected binned images; and generate an image based on the target image and the plurality of motion-corrected binned images. a nuclear imaging scanner to: execute a first nuclear imaging scan to acquire first nuclear imaging scan data of a body, wherein at least a portion of the first nuclear imaging scan data is acquired while the body is in a breath-hold position; and execute a second nuclear imaging scan to acquire second nuclear imaging scan data of the body, wherein the second nuclear imaging scan data is acquired during free breathing of the body; wherein the first nuclear imaging scan is executed at a higher scanning speed than the second nuclear imaging scan; and execute a first nuclear imaging scan to acquire first nuclear imaging scan data of a body, wherein at least a portion of the first nuclear imaging scan data is acquired while the body is in a breath-hold position; and execute a second nuclear imaging scan to acquire second nuclear imaging scan data of the body, wherein the second nuclear imaging scan data is acquired during free breathing of the body; wherein the first nuclear imaging scan is executed at a higher scanning speed than the second nuclear imaging scan; and a processing system to: generate a target image based on the first nuclear imaging scan data ; associate each of a plurality of portions of the second nuclear imaging scan data with a respective one of a plurality of motion phases of the body; for each of the plurality of motion phases of the body, generate a binned image based on the portion of the second nuclear imaging scan data associated with the motion phase; perform motion-correction on each of the plurality of binned images based on the target image to generate a plurality of motion-corrected binned images; and generate an image based on the target image and the plurality of motion-corrected binned images. generate a target image based on the first nuclear imaging scan data ; associate each of a plurality of portions of the second nuclear imaging scan data with a respective one of a plurality of motion phases of the body; for each of the plurality of motion phases of the body, generate a binned image based on the portion of the second nuclear imaging scan data associated with the motion phase; perform motion-correction on each of the plurality of binned images based on the target image to generate a plurality of motion-corrected binned images; and generate an image based on the target image and the plurality of motion-corrected binned images. <EOS>