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Wzmocnienie wytrzymałości mechanicznej płótna "Panoramy Racławickiej" - dublaż

100%

Wójtowicz R.

Ochrona Zabytków

1984

nr 4

269-276

Up to now, in moist cases, the prime purpose of the panorama conservation has been to restore and increase its mechanical strength. Those oases have been presented and compared with the conservation of the Racławice Panorama. The necessity to reinforce almost the entire surface of the picture in a vertical position has been proved. The parts of the reverse which had been mended (seams, glue joints) were additionally strengthened by local reinforcement applied ”wet” (on small surfaces) — adhesive: Lascaux Acryllkleber 498 HV, carrier; ’’fizeldna”. Strips of reinforcing fabric were pasted on 3 metres below the upper edge of the individual segments in a horizontal position. Relatively small deformations occur in that airea. The work was oarrded out on a convex table (9 m X 3,5 m) in a vacuum pocket. The strips of glass fabric measuring 1,10 m in width and 15 m in length were machine coated with Acryllkleber 498 HV so that the adhesive wias evenly spread. The adhesive was reactivated with toluene prior to lamination which took place in a temperature of ca 65°C for 2—3 sec per surface unit. Additionally, the one metre strip below the upper edge of the segments was reinforced with a very strong polyester fabric — „Trevira” which wias pasted on with Acryllkleber 498 HV. The principal reinforcement was carried out when the segments had already been suspended and intergrated into a picture. The method was the same as applied during the local reinforcement in a horizontal position. The facing was held fast by means of laminated panels (2,5 m X 1>2 m), profiled so as to match the desired shape of the picture surface; the panels were mounted on mobile overhead trolleys. The reinforcement was successfully completed in eight weeks (20 people, 1700 m2 of the surface).

Algorithm for creating panoramic images based on Mean Square Error

63%

Pęksiński J. , Mikołajczak G. , Kowalski J. P.

2014

tom R. 90, nr 3

239--242

W artykule autorzy przedstawili metodę dopasowania cyfrowych obrazów pozyskanych za pomocą aparatu cyfrowego. Metoda dopasowania opiera swoją zasadę działania na analizie porównawczej dwóch obrazów za pomocą popularnej miary jakości oceny obrazów cyfrowych jaką jest błąd średniokwadratowy. Zastosowany algorytm dopasowania obejmuje synchronizację obrazów zarówno w płaszczyźnie X i Y oraz dopasowanie związane z kątem obrotu między obrazami. Zaproponowany algorytm dopasowania można zastosować do wykonywania zdjęć panoramicznych.

In this paper the authors present a method of matching digital images recorded with a digital camera. The functioning principle of the proposed method is based on the comparison analysis of two images using a popular measure of digital image quality assessment, i.e. mean square error. The applied algorithm includes synchronization of images both in the X and Y planes as well as adjustment related to the angle of rotation between the images. The proposed matching algorithm can be used to create panoramic images.