Solid waste detection, monitoring and mapping in remote sensing images: A survey.

The detection and characterization of illegal solid waste disposal sites are essential for environmental protection, particularly for mitigating pollution and health hazards. Improperly managed landfills contaminate soil and groundwater via rainwater infiltration, posing threats to both animals and humans. Traditional landfill identification approaches, such as on-site inspections, are time-consuming and expensive.

Venous valves and major superficial tributary veins near the saphenofemoral junction.

Background: Venous valves are still discussed controversially, mainly because it is still uncertain whether primarily missing or insufficient valves or the weakness of the venous walls cause varices. Furthermore, the distribution and frequencies of major superficial tributary veins (MSTVs), which should discharge the great saphenous vein (GSV) between the terminal (TV) and preterminal valve (PTV) gain in importance; a fortiori as remaining MSTVs during primary varicose vein treatment may be a reason of future recurrent varicose veins. Therefore, the aim of this study was to investigate both the frequency and position of the GSV valves and the distribution of MSTVs near the saphenofemoral junction (SFJ).

An anatomical study of femoral vein valves near the saphenofemoral junction.

Background: The relevance of venous valves in varicose veins is still discussed controversially as, among others, the veins' wall weakness is accused to be the initial trigger of varicose veins. Thorough knowledge of their positions and frequencies will support understanding the pathogenesis of varices. Contrary to the incidences of valves in the femoral vein, no sufficient data about the positions of valves, particularly in respect to the saphenofemoral junction, are available; specifically in conjunction with the fact that terminal and preterminal valves in the great saphenous vein are missing in 10% of cases.

Analysis of the spatio-temporal and semantic aspects of land-cover/use change dynamics 1991-2001 in Albania at national and district levels.

In the turmoil of a rapidly changing economy the Albanian government needs accurate and timely information for management of their natural resources and formulation of land-use policies. The transformation of the forestry sector has required major changes in the legal, regulatory and management framework. The World Bank financed Albanian National Forest Inventory project provides an analysis of spatially explicit land-cover/use change dynamics in the period 1991-2001 using the FAO/UNEP Land Cover Classification System for codification of classes, satellite remote sensing and field survey for data collection and elements of the object-oriented geo-database approach to handle changes as an evolution of land-cover/use objects, i.