![]() ![]() ![]() Up until recently, art collectors Jon and Barbara Landau have enjoyed the work in their home, but now the public can marvel at it in The Met, where it’s part of the largest collection of Poussin’s work outside of Europe. In January, The Metropolitan Museum of Art in New York acquired one of the 17th-century French artist’s works: “The Agony in the Garden.”Įven though some 17th- and 18th-century texts mention the painting, it was lost until 1985. This article presents the application of previously developed image processing methods for painting rust defect evaluations and discusses their limitations under several specific environmental conditions which are often encountered while acquiring digital images.Only two of Nicolas Poussin’s oil paintings on copper survive. Even if both methods pass through different processing procedures, one common thing is that they first convert original color images to grayscale images and further process the grayscale images. The SKMA method segments object pixels and background pixels in a digitized image using a statistical method, called the K-means algorithm. The NFRA method uses artificial intelligence techniques to separate rust pixels from background pixels. Previously developed image recognition methods for painting rust defect assessment can be summarized as two: the NFRA (Neuro-Fuzzy Recognition Approach) method and the SKMA (Simplified K-Means Algorithm) method. Efficient image processing methods are also essential for the successful implementation of steel bridge coating warranty contracting where the owner, usually a state agency, and the contractor inspect steel bridge coating conditions regularly and decide whether additional maintenance actions are needed based on the processed data. For more objective rust defect recognition, digital image recognition methods have been developed for the past few years and they are expected to replace or complement conventional painting inspection methods. ![]() Accurate and objective rust defect assessment is required to maintain a good-quality steel bridge painting surfaces and make a decision whether a bridge shall completely or partially be repainted. ![]()
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