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Signal and Image Processing with Belief Propagation [DSP Applications]

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In this column, we review a particularly effective inference algorithm known as belief propagation (BP). After describing its message-passing structure, we demonstrate the interplay of statistical modeling and inference in two challenging applications: denoising discrete signals transmitted over noisy channels, and dense 3-D reconstruction from stereo images.

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IEEE Signal Processing Magazine  (Volume:25 ,  Issue: 2 )