An image pickup device may include an optical system having a distortion that captures a distortion-containing optical image, a conversion unit that converts the distortion-containing optical image into distortion-containing image data, a storage unit that stores the distortion-containing image data...http://www.google.de/patents/US7800681?utm_source=gb-gplus-sharePatent US7800681 - Image pickup device capturing a plurality of images that have different viewing angles
