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In this work, the artistic style of the sixteenth century Portuguese artistAnt\'onio Campelo in Alegoria \`a Prud\^encia is analyzed in order to create acomputational tool that allows one to transform any 3D digital sculpture modelinto an image that resembles the modeled style. From this analysis the problemis divided into two parts: detection and drawing of contour lines and theshading of the scene. Several techniques from Non Photorealistic Rendering(NPR) and from Photorealistic Rendering that can resolve the problem arepresented and, based on this study, a possible solution is presented. Eachmodeled rendering component is then analyzed using image based methods againstthe proposed artistic style and parameters are adjusted for a closer match. Inthe final stage a group of people was asked to answer a questionnaire where thesimilarity between the renderings of different objects and the original stylewas classified according to their personal opinion. One of our findings is thatalthough the source 3D objects cannot be readily found for a direct comparison,nor can the paper medium with centuries old damage be the same, the comparisonof sub -parts of both images of the same topology was still possible validatingour method and discarding other styles from the comparison.

Digitally reproducing the artistic style of XVI century artist Antonio Campelo in Alegoria Prudencia