Quality assurance for digital imaging
نویسندگان
چکیده
منابع مشابه
Quality assurance for grey-scale imaging.
In 1992, the American College of Radiology (ACR) recommended a specific phantom and image analysis procedure for (x-ray) mammography (American College of Radiology 1992). This event removed uncertainty in the USA regarding quality assurance (QA) in mammography. Although the phantom and analysis procedure are probably not ideal, existence of definitive recommendations has resulted in essentially...
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Many digital library programmes have a development philosophy based on use of open standards. In practice, however, projects may not have procedures in place to ensure that project deliverables make use of appropriate open standards. In addition there will be occasions when open standards are not sufficiently mature for deployment in a service environment or use of open standards will require e...
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Migration to standardized formats is a common approach for the preservation of digital objects. To ensure the authenticity of the resulting artefacts and the validity of the migration, quality assurance is essential. For large-scale migration, automated quality assurance processes are an essential prerequisite. This paper focuses on the migration processes of born-digital photographs. We descri...
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Maintenance of digital image libraries requires to frequently asses the quality of the images to engage preservation measures if necessary. We present an approach to image based quality assurance for digital image collections based on local descriptor matching. We use spatially distinctive local keypoints of contrast enhanced images and robust symmetric descriptor matching to calculate affine t...
متن کاملDeployment of Quality Assurance Procedures for Digital Library Programms
Many digital library programmes have a development philosophy based on use of open standards. In practice, however, projects may not have procedures in place to ensure that project deliverables make use of appropriate open standards. In addition there will be occasions when open standards are not sufficiently mature for deployment in a service environment or use of open standards will require e...
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ژورنال
عنوان ژورنال: Journal of Digital Imaging
سال: 1997
ISSN: 0897-1889,1618-727X
DOI: 10.1007/bf03168639