1. A method of performing a zoom operation on a camera, the method comprising: determining a plurality of regions of interest within a captured image of a scene; determining a camera motion direction which is relatively towards one of the plurality of regions of interest; selecting a target region of interest from the determined plurality of regions of interest based on the determined camera motion direction; and initiating the zoom operation for the selected target region of interest in response to the camera motion before the target region of interest occupies a center area of a new image captured by the camera.