International Journal of Telemedicine and Applications / 2009 / Article / Fig 12

Research Article

An Adaptive Source-Channel Coding with Feedback for Progressive Transmission of Medical Images

Figure 12

The decoded image with variable length of parity codes over the noisy channel. (a) A background image and the location of RoI selected in the center of image reconstructed after stage , (b) the reconstructed image after stage , no error subblocks are found in the reconstructed image because the lengths of parity codes are adjusted automatically based on the previous volume of incorrect data in the receiver, (c) the reconstructed image after stage ; the lengths of parity bits in stage 3 are as same as in stage 2 because no incorrect data was found in the reconstructed image after stage 2, (d) the complete transmitted image with no error subblocks.

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