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In parallel with increasing public appreciation of threats to enhance the detection of attackers is increasing public awareness of the type and cost of system protection options . Well , to begin with , the detection of edges is one of the more important aspects of building a picture . After the detection of patterns is finished , the number of patterns is relatively large . The images are extremely crowded such that the detection of stars is limited by neighboring , bright stars . Britain , a means of assessing risk to the human population is paramount , and more sensitive methods for detection of prions are urgently needed , the researchers said .