A new acquisition system for remote control of wall paintings has been realized and tested in the field. The system measures temperature and atmospheric pressure in an archeological site where a fresco has been put under control. The measuring chain has been designed to be used in unfavorable environments where neither electric power nor telecommunication infrastructures are available. The envi...

The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pictures in geographic information systems, are maintained in compressed form. Instead of performing a spatially selective operation on an image by first decompressing the compressed version, we propose to perform querie...

The present study investigates the central concerns of the use of visuals within the four EFL textbooks taught at Iranian high schools which have been prescribed by the Ministry of Education. To do this, the four EFL textbooks were evaluated and analyzed. Descriptive statistics were used to analyze data quantitatively. The analysis indicated that over the four textbooks, 95.71 percent of all vi...

This paper presents a method for Data Mining and Knowledge Discovery in Image Data. This method is based on the Self-Organizing Map (SOM) which is an unsupervised artificial neural network algorithm. The SOM possesses unique properties of clustering, classification, modelling and visualization and is used here as a Data Mining tool. This enables us to get informative yet simpler pictures of the...

This paper describes a generic technology for modeling in real time the various operations of surface mines. Based on various sensor fusion techniques and high-speed network, a virtual reality model of a mine capable of representing not only static infrastructures but also mobile equipment such as trucks and excavators is created. The modeling technique deal with a wide range of sensors such as...

delivery systems. In the USA, ATSC (advanced television systems committee) transmissions serve the nation’s terrestrial receivers. Underpinning these diverse systems, the key technology that exploits scarce bandwidth is the Motion Picture Expert Group’s MPEG-2 compression system (Reference 1). Thanks to MPEG-2 compression, broadcasters can pack as many as 18 digital satellite channels into the ...

Three-dimensional wavelet transform (3D-DWT) encoders are good candidates for applications like professional video editing, video surveillance, multi-spectral satellite imaging, etc. where a frame must be reconstructed as quickly as possible. In this paper, we present a new 3D-DWT video encoder based on a fast run-length coding engine. Furthermore, we present several multicore optimizations to ...

Global Atlas is a geographical search-engine. It indexes maps, satellite and aerial pictures, as well as HTML documents available on the World Wide Web. The Global Atlas leverages on the cartographic paradigm to provide a very natural support for indexing, searching and sharing information. It allows the design of intuitive user interfaces and the use of natural visual feedback. HTML documents ...

|The maintenance of large raster images under spatial operations is still a major performance bottleneck. For reasons of storage space, images in a collection, such as satellite pictures in geographic information systems, are maintained in compressed form. Instead of performing a spatially selective operation on an image by rst decompressing the compressed version, we propose in this paper to p...

This study presents comparative analysis of high-resolution satellite imagery taken on different dates around a detected incident of interest. Under an assumption of a micro-detail land monitoring and disturbance detection interests we compared the patterns of image captured disturbances on the analyzed site and leveraged their interpretation with knowledge published on relevant subjects. The i...