Reinhard, Erik; Ward, Greg; Pattanaik, Sumanta; Debevec, Paul. High dynamic range imaging: acquisition, display, and image-based lighting. Amsterdam,Elsevier/Morgan Kaufmann,2005.ISBN 978-0-12-585263-0.с. 7.Images that store a depiction of the scene in a range of intensities commensurate with the scene are what we call HDR, or „radiance maps“. On the other hand, we call images suitable for display with current display technology LDR.