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Doświadczenia Akademii Sztuk Pięknych w Krakowie w dokumentowaniu i archiwizowaniu dzieł sztuki

Boliński P.

Roczniki Geomatyki

2007

T. 5, z. 8

249-253

The Faculty of Conservation and Restoration of Art Works at the Academy of Fine Arts in Cracow has 50-year experience in categorizing art works and documenting restoration projects. This experience gives us access to a unique archive of data regarding monuments, sculptures and paintings. Our archive is filled with European and Polish art, especially from Cracow and its surroundings as well as the region of Lower Silesia where the FCaRA has been conducting research and restoration projects as part of its didactic and scientific activities. The collection of documentation works . of varying kinds . has been supplemented. It consists of a wide range of materials, including photogrammetric inventories, colour and measurement documentation, 1:1 scale visual copies of parts of artefacts, and also extensive documentations of restoration works accompanied by charts and copies on tracing paper registering the state of the preservation and the progress of work. This are indeed unique and voluminous materials and collecting them and systematic categorizing is the basic objective of our activity. The second crucial aspect is the very method of registration based on modern technical solutions. Adopting digital technologies in recording and transferring data to create restoration documentation has become the world standard. For the last few years at the FCaRA we have carried out investigations on how to acquire and make available digitalised restoration documentation of the works carried out in Poland. We have also continued work concerned with the research and development of new techniques and employing digital tools for documentation purposes. The results of the above-mentioned projects are, among others, databases concerned with: An inventory of the archive of graphical restoration documentation collected in the Workshop of Documentation. This archive contains: visual copies in 1:1 scale, charts, tracing papers with drawings and measurement documentation, colour inventories, registers of states of preservation regarding numerous artworks from Cracow and from Poland. A catalogue of examined transfers based on a pattern of a chart of transfers (single documents, their sets or whole collections), which contains basic information the objects and their illustrations with evaluations of their state of preservation in the form of a table with a list of signs of their destruction. A collection of restoration documentation and comparing it with geodesic-photogrammetric documentation (based on stereograms obtained from digital non-metric cameras) of various Cracow monuments A visualisation of conservation projects and restoration documentation created during didactic processes providing the basic starting point for further restoration works carried out on many valuable monuments. The results of our research and its cognitive value is of great importance not only for restorers, but also for historians, art historians, architects and art lovers. Our databases, which are available to general public, give access to the knowledge we have been gathering and preserving at our Faculty for almost 50 years, thus popularising art preservation and our national heritage in the society. Our efforts also testify to the complexity and the lengthiness of processes connected with recognizing historic artefacts and to the evolution of restoration concepts which are crowned with restoration projects. They show new directions and technologies used in the designing and execution of modern restoration documentations.

Tsallis' entropy bounds for generalized order statistics

Kałuszka M., Okolewski A.

Probability and Mathematical Statistics

2004

Vol. 24, Fasc. 2

253--262

We present sharp bounds for expectations of generalized order statistics with random indices expressed in terms of Tsallis’ entropy. The bounds are attainable and provide new characterizations of some nontrivial distributions. No restrictions are imposed on the parameters of the generalized order statistics model.