Depth Compression using Colourmap

Attempt to compress the depth image by first transforming it into 3 channel colour and then using standard video encoding. During decode it is likely a post filter process will be required.

See: Pece F., Kautz J., Weyrich T. 2011. Adapting standard video codecs for depth streaming. Joint Virtual Reality Conference of EGVE 2011 - The 17th Eurographics Symposium on Virtual Environments, EuroVR 2011 - The 8th EuroVR (INTUITION) Conference, , pp. 59-66.