A system comprising: a nuclear imaging scanner to: execute a first nuclear imaging scan to acquire first nuclear imaging scan data (120, 320, 520) of a body, wherein at least a portion of the first nuclear imaging scan data (120, 320, 520) 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 (130, 330, 530) of the body, wherein the second nuclear imaging scan data (130, 330, 530) 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 (120, 320, 520); associate each of a plurality of portions of the second nuclear imaging scan data (130, 330, 530) 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 (130, 330, 530) 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 (120, 320, 520) of a body, wherein at least a portion of the first nuclear imaging scan data (120, 320, 520) 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 (130, 330, 530) of the body, wherein the second nuclear imaging scan data (130, 330, 530) 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 (120, 320, 520) of a body, wherein at least a portion of the first nuclear imaging scan data (120, 320, 520) 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 (130, 330, 530) of the body, wherein the second nuclear imaging scan data (130, 330, 530) 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 (120, 320, 520); associate each of a plurality of portions of the second nuclear imaging scan data (130, 330, 530) 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 (130, 330, 530) 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 (120, 320, 520); associate each of a plurality of portions of the second nuclear imaging scan data (130, 330, 530) 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 (130, 330, 530) 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.