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A DISCRETE WAVELET TRANSFORM – SINGULAR VALUE DECOMPOSITION SYSTEM FOR IMAGE CODING

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Academic year: 2017

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Figure 1. Plot of average standard deviation (ASTD) vs. MSE
Figure 2. Three levels of wavelet decomposition
Table 1. ASTD of tiles containing sharp edges and low pixel activity
Figure 3 shows the 512x512 Barbara image divided into tiles of 64x64 pixels. The image shows  tiles 45  and 47; both of them are high ASTD tiles, but tile 47 contains an edge, which produces high distortion
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