Imatest LLC is a company that produces image quality testing software, equipment and test charts. Imatest was founded by
photographer/
engineer Norman Koren in
Boulder, Colorado
Boulder is a home rule city that is the county seat and most populous municipality of Boulder County, Colorado, United States. The city population was 108,250 at the 2020 United States census, making it the 12th most populous city in Color ...
in 2004 to develop software for testing digital camera image quality.
Using Imatest software, a variety of image quality factors can be analyzed including
Acutance (image sharpness), color response,
image noise,
dynamic range, tonal response, lens flare, lens
distortion,
lens vignetting, texture response, and
color moiré.
Imatest software products include Imatest Master: for R&D engineers, Imatest IT: for test automation, and Imatest Studio: for photographers.
Imatest test charts include SFRplus, eSFR ISO, SFRreg, Spilled Coins, and 36-patch Dynamic Range targets.
Imatest has been adopted by a wide range of industries that employ embedded digital imaging systems, including mobile imaging (camera phones), automotive, medical imaging, aerospace and
machine vision, as well as publications/reviews, and academic, cultural, and research institutions. Imatest software is referenced in research, art, and industry.
Imatest is a member of the
International Organization for Standardization and
Institute of Electrical and Electronics Engineers
The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operation ...
contributing and implementing standardized methods of image quality analysis.
Among many other applications, Imatest has been used to adjust images with different amounts of sharpening to a ''standard'' amount of sharpening, and to compare resolution in of those adjusted images.
Imatest also tests
color accuracy, tone-scale linearity,
image distortion,
light falloff, and printing
gamut.
References
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External links
Imatest LLCofficial site
Norman Koren Photographyofficial site
Imatest