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This paper reviews policies and practices related to the educational use of information and communication technology (ICT) and its role in improving education in Catalonia. Specifically, it analyzes the ICT educational practices developed at four schools in Catalonia, as well as the educational policies on the integration of these technologies promoted by the Administration over the last 25 years. These analyses indicated that the resulting practices, mostly centred on teachers' explanation or on teaching software, were in line with policies that have systematically focused on the provision of equipment and the uncritical use of ICT, regardless of actions for improving such practices. [ABSTRACT FROM AUTHOR]

Abstract: This paper presents the integration of automated sensors based on a terrestrial laser scanner and an amateur digital camera with the aim of generating a photorealistic three-dimensional (3D) model of the Principal Panel in Pindal Cave (Spain). The approach developed for 3D modelling overcomes many of the problems related to the independent implementation of photogrammetry and laser scanning. Particularly, a sequential and hierarchical approach was developed based on the processing and matching of images from the camera (camera image) and the laser scanner (range image). The results obtained demonstrate that the workflow for this model is automatic, effective, and accurate. The presented approach was found to create hyper-realistic models, even improving upon human visual capabilities. [ABSTRACT FROM AUTHOR]