Research Article

A Convex Adaptive Total Variation Model Based on the Gray Level Indicator for Multiplicative Noise Removal

Figure 1

The relation between the influence of the noise and the gray levels. (a) 1D signal ; (b) 1D speckled noise with mean equal to 1 and ; (c) degraded by the speckled noise; (d) the compare between and the noise signal .
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(a) Noise-free signal
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(b) Speckled noise
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(c) Noise signal
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(d) Original/noise signal