A protection of Transmitted MRI over Channel with Packet Losses
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.Abstract
This paper presents a framework in which images can be transmitted over channels
with high packet loss rates with the addition of unequal amounts of forward error
correction (FEC). It develops an algorithm that can optimize the allocation of FEC to the
image data so as to maximize the expected image quality.
By using both the importance of the output of the image coder and an estimate of the
probability of losing packets, it considers distortion-rate tradeoffs in its assignments to
provide graceful degradation when packets are lost.
The algorithm is also modular in that it can use any compression scheme that produces a progressive bit-stream.
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