Page Image Compression for Mass Digitization Harvard Test Suite Images JPEG2000 2007.

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Presentation transcript:

Page Image Compression for Mass Digitization Harvard Test Suite Images JPEG

Uncompressed Luratech JP2 Size = 3420 KB Q70 Luratech JP2 Size = 744 KB (4.6 : 1 ratio)

Uncompressed Luratech JP2 (Zoomed) Size = 3420 KB Q70 Luratech JP2 (Zoomed) Size = 744 KB (4.6 : 1 ratio)

Uncompressed Luratech JP2 Size = 3420 KB Q50 Luratech JP2 Size = 474 KB (7.2 : 1 ratio)

Uncompressed Luratech JP2 (Zoomed) Size = 3420 KB Q50 Luratech JP2 (Zoomed) Size = 474 KB (7.2 : 1 ratio)

Uncompressed Luratech JP2 Size = 3420 KB Q30 Luratech JP2 Size = 290 KB (11.8 : 1 ratio)

Uncompressed Luratech JP2 (Zoomed) Size = 3420 KB Q30 Luratech JP2 (Zoomed) Size = 290 KB (11.8 : 1 ratio)

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