The perceptual image hashing is an emerging technique which can be used in image authentication and content-based image retrieval. Design of an image hashing scheme which has both robustness and fragility properties is becoming a new challenge. Recently, Xiang et al. proposed a histogram-based image hashing scheme which achieves a good robustness to perceptually insignificant attacks. However, ...

INTRODUCTION F OLLOWING Haden’s1#{176}demonstration of the close correlation between spherocytosis and the fragility of erythrocytes to hypotonic saline, Dameshek and Miller5 postulated that spherocytosis was a preliminary stage in the destruction of the red cell; i.e. partial hemolysis. They were able to show experimentally that the degree of spherocytosis was related to the concentration of h...

In this work fragility analysis of reinforced concrete and steel structures withinfill walls is performed.For this purpose a fuzzy-based fragility assessment framework for evaluating 3D framed structures is proposed taking into account various sources of uncertainty. In particular, randomness on the material properties and on the seismic demand is considered. The proposed framework requires the...

This research presents an alternative means of calculating vulnerability relations for buildings. Simulation-based fragility curves generated using a Monte Carlo simulation are usually not practical because of the large number of time-consuming analyses needed to obtain reliable statistics of the outcomes. This research implements a response surface metamodel to approximate complex analysis in ...

the purpose of this study was to evaluate the exposure to mercury (hg), and to examine the various parameters, which contribute to high levels of mercury of iranian dentists in tehran. one-hundred hair samples were collected from dentists. in addition, fifty samples from a control group were taken for comparison. the survey included a structured questionnaire designed to provide information abo...

 Background: Human hair can be used as an inexpensive and accessible adsorbent to remove a variety of pollutants from air. Although several studies have been done on removal of formaldehyde from wastewater by human hair, to date no study has investigated using hair to remove formaldehyde from air. Therefore, the aim of this study was to remove formaldehyde from synthetic contaminated a...

We investigate the impact of nanoparticles (NP) on the fragility and cooperative stringlike motion in a model glass-forming polymer melt by molecular dynamics simulation. The NP cause significant changes to both the fragility and the average length of stringlike motion, where the effect depends on the NP-polymer interaction and NP concentration. We interpret these changes via the Adam-Gibbs (AG...

Age-related non-traumatic fractures are a major health problem. Historically, only bone mass was considered to predict fracture risk but other factors, including accumulation of microdamage, may also affect bone quality and contribute to bone fragility. Previous studies conducted in our laboratory have demonstrated that the predisposition of bone to form linear microcracks and not diffuse damag...