1. A segmented, curved sensor comprising: a first pixelated curved sensor segment on a substrate; a second pixelated curved sensor segment on the substrate, the first curved sensor segment and the second curved sensor segment joined together at a joint on the substrate to form at least a portion of a hemisphere, the first and second segments joined by address lines that curve out of the arc of the hemisphere formed by the first pixelated curved sensor segment and the second pixelated curved sensor segment.