1. An image reconstruction method, comprising the acts of: accessing one or more sets of scan data acquired using a computed tomography system; computing a voxel-dependent angular weighting function corresponding to the one or more sets of scan data; using the respective weighting function to iteratively compute a set of images from the sets of scan data, such that the angular range of the data contributing to each voxel is made more uniform and/or the angular range is narrowed for one or more voxels.