Real World Camera Raw with Adobe Photoshop CS4
Real World Camera Raw with Adobe Photoshop CS4
Colour Image Quality Assessment Using Structural Similarity Index and Singular Value Decomposition
ICCVG 2008 Proceedings of the International Conference on Computer Vision and Graphics: Revised Papers
Decision criteria in digital preservation: What to measure and how
Journal of the American Society for Information Science and Technology
Image quality assessment: from error visibility to structural similarity
IEEE Transactions on Image Processing
Quality assurance in document conversion: a hit?
Proceedings of the 4th ACM workshop on Online books, complementary social media and crowdsourcing
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In digital preservation, a common approach for preservation actions is the migration to standardized formats. Full validation of the results of such conversion processes is required to ensure authenticity and trust. This process of quality assurance is a key obstacle to achieving scalability for large volumes of content. In this article, we address the quality assurance process for the preservation of born-digital photographs and validate conversions of raw image formats into standard formats such as Adobe Digital Negative. To achieve this, we rely on a systematic planning framework. We classify requirements that have to be evaluated according to their measurement needs. We extend an existing measurement framework using a combination of tools, image similarity algorithms, and purpose-built plugins. By combining metadata extraction, image rendering and comparison, and perceptual-level quality assurance, we evaluate the feasibility of automating the core part of quality assurance that is often the most costly part of preservation processes.