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Understanding the Resolution of Digital Images, 2010, p. 5

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Understanding the Resolution of Digital Images What is the resolution of an image of "quality" for the Community Digitization Program? Some program partners already have images of various formats, often copies of a second or third generation. In this case, digital copies at 3000 px (longest side) are sufficient. However, when collections of rare or of first generation images are offered to partners, it is better to scan at higher resolution. Thus, since the original documents will be more or less well preserved by their owners, partners ensure at least to keep digital copies of high quality (4500 or 6000 px longest side). < ---------- 3000 px (longest side) ---------- > < ---------- 3000 px (longest side) ---------- > 4 Community Digitization Program of Prescott-Russell

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