1. A graphical code reader that is configured to vary resolutions of captured images, the graphical code reader comprising: an image capture component that is configured to capture images at different resolutions; a processor; memory in electronic communication with the processor; instructions stored in the memory, the instructions being executable to implement a method comprising: providing a sequence that defines how resolutions of the captured images are varied; capturing the images; varying the resolutions of the captured images according to the sequence; and attempting to decode graphical codes within the captured images.