Dynamic adaptive forward error control framework for image transmission over lossy networks

We address the problem of transmitting JPEG compressed image over a lossy network. We introduce a combination of block level triangular interleaving scheme (TRII), and variable and selective forward error correction scheme (VS-FEC) to make the transmitted data more resilient while using the network bandwidth more efficiently in the presence of bursty losses. Our results show that TRII barely affects the final compression ratio of the transmitted image (on the average just 4% below JPEG), while considerably increases its resilience to errors. Also, in the presence of losses, a new scheme is introduced to dynamically add a variable FEC to avoid retransmission of the lost data. A small amount of FEC overhead was needed (4%, versus 10%-15% in constant FEC) to be at least 90% sure on the average that the protected information will not be damaged during transmission.