By René van Horik
Particular kind ofdigital info item is extra pragmatic. the focal point at the durability of electronic surrogatesof historic images allows the research of obtainable buildingblocks for electronic upkeep corresponding to guidance, methods, instruments, standards,strategies and techniques to permit long term entry to electronic information items. This dissertationexamines intimately the function of electronic renovation options, dossier formatstandards, content material structure criteria, metadata schemas and different development blocksfor the realisation of sturdy electronic surrogates of old photographs.It is clear that the durability of electronic items is particularly a lot made up our minds bythe point of dedication of an enterprise that considers itself because the curatorof the electronic gadgets. this can be less a technical than an organisational factor. [C:\Users\Microsoft\Documents\Calibre Library]
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Extra resources for Permanent Pixels: Building Blocks for the Longevity of Digital Surrogates of Historical Photographs
The photographer’s intent is rendered. The scanner operator has to adjust the tone and colour reproduction if a photograph is not exposed or processed according to the intention of the photographer. This rendering intent is in principle only relevant for fine-art photography. – The original appearance of the photograph is rendered. If a photograph is faded or has scratches, special image-processing techniques are required to reveal the original appearance. – The original scene is rendered. A ‘real life object’ is visible on the photograph and the colour of the original must match the colour on the photograph.
There is a risk of the compression method becoming obsolete and, if the bitmap becomes corrupted, it is very difficult to repair the image. An uncompressed image can be repaired much more easily. Lastly, the application of image compression usually leads to a loss of image quality. Image file formats Browne and Sheperd [BRO95] evaluate a number of design goals for graphic file formats that determine the type of data format that is supported, the types of data encoding that will be used and the overall data organisation of the format.
Two EU-funded projects serve as important foundations for the research instruments related to the research strategy of this work. These are the EVA project [HOR01A] and the SEPIA project [LUS02]. The main goal of the SEPIA (‘Safeguarding European Photographic Images for Access’) project was to improve the preservation of photographic materials. Both projects meet the criteria for case studies as defined by De Vreede ([VRE95] p. 28): the researcher is an observer, focusing on ‘how’ and ‘why’ questions.