TY - CPAPER KW - sky KW - luminance KW - high dynamic range KW - photography KW - measurement AU - Axel Jacobs AU - Stephen Wittkopf AU - Lars Grobe BT - 7th International Radiance Workshop CD PY - 2008 T2 - 7th International Radiance Workshop CD TI - Per-pixel sky luminance with HDR photography UR - http://www.radiance-online.org:82/radiance-workshop7/Content/Jacobs/jacobs-fribourg2008d.pdf ER -