Graham D. Finlayson, Toby N. Matheson. A Closed Form Solution for the Brightness Preserving Colour to Greyscale Image Conversion. In 20th Color and Imaging Conference, CIC 2012, Los Angeles, California, USA, November 12-16, 2012. pages 76-81, IS&T - The Society for Imaging Science and Technology, 2012. [doi]
Abstract is missing.