CosinePrism: An Unequal Error Protection Scheme for Progressive Image Transmission Over Half-Duplex Channels

In this work, we propose an Unequal Error Pro-tection technique suitable for scenarios that demand low power consumption and are equipped with limited computationally ca-pabilities. CosinePrism incorporates colour theory and techniques from lossy image compression methods towards optimizing the allocation of Forward Error Correction factor. CosinePrism can progressively deliver RGB and non-RGB images over half-duplex links, and includes a JPEG re-compression mode. The proposed technique achieves compression efficiency and image quality comparable to JPEG, and on an average offers DSSIM score improvement of 55.5% over Equal Error Protection method. An open-source reference encoder is provided for further research and development to the community.