Systems and methods for controlling motion of detectors having moving detector heads

An imaging system comprising:

• a gantry;
• a plurality of detector units mounted to the gantry, each of the detector units comprising a plurality of pixels and configured to acquire scanning information by detecting emissions from an object;
• a controller configured to control an independent rotational movement of each of the detector units used to acquire scanning information, wherein the controller rotates each of the detector units at a corresponding sweep rate for each detector unit used to acquire the scanning information, wherein the controller is configured to acquire scanning information for a first region of interest and a second region of interest, wherein the controller is configured to use a first detector unit to acquire information from both of the first region of interest and the second region of interest, and to use a second detector unit to acquire information from only one of the first region of interest or the second region of interest.