Fuzzy index color image viewed in PDF document.

CS
Posted By
cody_schaaf
Jul 23, 2008
Views
213
Replies
1
Status
Closed
I typically create graphics using index color that are black/white with some gray tones to highlight a part of the drawing. The graphics are published in a PDF document, are typically a very manageable file size and initially look great. The problem is the PDF documents are typically 500 pages and the file size is reduced in Adobe Acrobat Standard. After reducing the file size, all index color graphics appear bloched or very fuzzy when viewing the PDF on a monitor. The printed PDF document has some fuzziness but the image quality should be improved. Do you have any suggestions to improve the image quality of index color graphics in a reduced file size PDF document? Or any suggestions to create sharp black/white images with gray highlights in a better way or avoid making the image fuzzy?

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Bob Levine
Jul 23, 2008
You’re not likely to get quality printing out of indexed color. Just use RGB or grayscale and have the images downsampled to about 120 ppi when creating the PDF.

BTW, you make no mention of what application you’re placing these graphics into nor do you state how the PDF is actually created.

Additionally, it would be good to know exactly what you consider too big or the right size.

Bob

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