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JPEG2000 image compression on solar EUV images

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Table 1. The table lists the chosen wavelength and region in the firstcolumn followed by the mean intensity in the entire image in data units.The images were compressed with the JPEG2000 scheme
Figure 1. The rows display extracted subimages from an AIA 171 50). The blue box in the upper image marks the region displayed in the second row and thered box the region in the last row
Figure 2.Left column: Spatial power spectrum for the region in the blue box indicated inFigure 1 followed by the mean of the nearest neighbour difference and lastly intensity valuesof the cut-through marked with white lines in Figure 1
Figure 3. Top row, left to right: Original AIA/SDO 171 IDL functionfunctionA image, (a) blurred with the IDL˚ smooth.pro with keyword width = 4 and (b) with 5% Poisson noise added using the poidev.pro
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