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Health care workers are exposed daily to blood borne injury and infection with a high risk of hepatitis B or C and human immunodeficiency virus (HIV) transmission. In the 1980s, the US Centers for Disease Control and Prevention (CDC) developed a set of protocols and guidelines known as standard precautions (SP) to prevent accidental transmission of(More)
The watermarking technique was born to cure to the problem of copyright protection and document authentication (Barni et al., 2001). The watermarking was first applied to the multimedia images, and then it has been spread to the remote sensed images for the same aim of ownership protection. In the remote sensing images the needs for protection is the same(More)
Retrieval of remote sensing images very often consists in presenting a portion of a query image and looking for images that contain the same patch. It is not a trivial partial request problem since several images in the Database (DB) acquired by different sensors could contain the required region but at different scales. Hence, the partial request and(More)
The overall objective of this paper is to retrieve soil surfaces parameters namely, roughness and soil moisture related to the dielectric constant by inverting the radar backscattered signal from natural soil surfaces. Because the classical description of roughness using statistical parameters like the correlation length doesn't lead to satisfactory results(More)
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