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Harvard
University Library Page Images Evaluation Project
home 002010967_0026, text + b/w image The American bookseller: a semi-monthly journal devoted to the interests of the book, stationery, news, and music trades. New York: The American News Company, Vol. 10, 1880 [HOLLIS 002010967] |
Image Quality Evaluations: none (not evaluated by librarians in 2006) - processed RGB TIFF (source image for JP2 processing) (14,985 KB) - 600 ppi 1-bit TIFF (from processed RGB TIFF) (285 KB) -- image production notes |
Quality
level |
Setting |
File
size (KB) |
Page
image |
evaluated in 2006 |
0 |
lossless |
9,147 9,077 8,998 |
no no no |
|
1 |
PSNR, 40 dB MSE, slope value 50980 Q = 70 |
2,863 2,366 1,376 |
no no no |
|
2 |
PSNR, 38.3 dB MSE, slope value 51492 Q = 50 |
2,335 843 880 |
no no no |
|
3 |
PSNR, 36.7 dB MSE, slope value 51748 Q = 40 |
1,819 584 661 |
no no no |
|
4 |
PSNR, 35 dB MSE, slope value 51876 Q = 35 |
1,205 520 572 |
no no no |
|
5 |
PSNR, 32.5 dB MSE, slope value 52004 Q = 30 |
676 457 492 |
no no no |
|
6 |
PSNR, 30 dB MSE, slope value 52196 Q = 20 |
412 323 342 |
no no no |