Documentation and Recovery of Rupestrian Paintings: an Automatic Approach
نویسنده
چکیده
This paper describes an automatic approach in archaeological photogrammetry for the documentation and recovery of rupestrian paintings. Visible and near-infrared images were taken from an opened-cave before and after moistening the stone wall. Digital image processing techniques, specially multispectral and multiband classifications, were used to recognise and extract nondestructively the primitive paintings and shapes, i.e. arrows, hunters and animals. Images of rupestrian paintings are presented, before and after human restoration. Additionally, thematic plots of work art obtained semi-automatically and independently before the cave restoration are shown in order to check the profitability of the methodology; statistical accuracies are also presented. Furthermore, some guidelines for future documentation and recovering of rupestrian paintings are pointed out.
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