This pages introduces the fundamental concepts of digital images: what they are, how their size and resolution is specified, and how they are stored.


submitted: 5 years and 3450 days ago

Tags:fundamentalimagespixelsresolutions

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In this page we illustrate how MTF is used to characterize the performance of film and lenses.


submitted: 5 years and 3450 days ago

Tags:curvesfilmslensesmtfresolutions

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In this page we examine the MTF of scanners and sharpening algorithms, and we address the question, "What scanner resolution (pixels per inch or dpi) is required for a digital print to appear sharper than a conventional darkroom print?"


submitted: 5 years and 3450 days ago

Tags:algorithmscurvesmtfresolutionsscannerssharpening

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Part 1 of this tutorial describes the four pillars of image quality, digital image sensors, the simulation technique, and presents a summary of results comparing digital camera resolution with film.



submitted: 5 years and 3450 days ago

Tags:camerasdigitalfilmsresolutions

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