Based on the comprehensive analyses of many risk factors leading to accidents in immersed tunnel engineering, it is concluded that engineering are very large and must be paid attention all aspects at stages project. This paper classifies identifies by investigating visiting relevant investigation, design construction units tunnel, then puts forward prevention control measures provide theoretica...

Video surveillance systems are widely deployed with large for use in strategic places such as home security, public transportation, banks, ATM centers, city airports, and roads, play a vital role protecting critical infrastructures. As various attacks possible these systems, identifying considering suitable security measures essential. In this paper, we present detailed review of existing threa...