乐胖代购免代理版

{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2024,1,26]],"date-time":"2024-01-26T10:41:13Z","timestamp":1706265673972},"reference-count":48,"publisher":"Wiley","issue":"8","license":[{"start":{"date-parts":[[2016,8,4]],"date-time":"2016-08-04T00:00:00Z","timestamp":1470268800000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Nature Science Foundation of China","doi-asserted-by":"crossref","award":["61502348"],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"crossref"}]},{"name":"Fundamental Research Funds of State Key Laboratory of Software Engineering","award":["SKLSE-2015-A-01"]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Softw Pract Exp"],"published-print":{"date-parts":[[2017,8]]},"abstract":"Summary<\/jats:title>Surveillance has become a fairly common practice with the global boom in \u201csmart cities\u201d. How to efficiently store and manage the vast quantities of surveillance data is a persistent challenge in terms of analyzing social security problems. Developing data compression technology under the analytic requirements of surveillance data is the key to solving the storage problem. Criminal investigation demands the quality preservation of sensitive objects, typically pedestrians, human faces, vehicles, and license plates; however, the analytical value of surveillance data is rapidly lost as the compression ratio increases. In this paper, we propose a sensitive object\u2010oriented regions of interest\u2010based coding strategy for preserving the analytical value of surveillance data. In the proposed method, instead of generating a saliency map based on human visual perception, we consider saliency as a set of characteristics important for object detection and recognition. By making this modification, almost all sensitive objects necessary in a criminal investigation are assigned high saliency value rather than only one or two salient regions. Motions in the temporal domain are integrated to place emphasis on moving objects, namely moving sensitive objects, which then gain the highest saliency. Finally, a saliency\u2010based rate control algorithm embedded in High Efficiency Video Coding is used to maintain the quality of sensitive objects in the encoded video under a fixed bitrate. Experiments were conducted on two analytical indexes: Feature similarity and object detection accuracy. The results showed that by achieving the same feature similarity and object detection accuracy, our method can save 20% and 40% bitrate over High Efficiency Video Coding, respectively, for the storage of big surveillance data. Copyright \u00a9 2016 John Wiley & Sons, Ltd.<\/jats:p>","DOI":"10.1002\/spe.2430","type":"journal-article","created":{"date-parts":[[2016,8,4]],"date-time":"2016-08-04T10:37:03Z","timestamp":1470307023000},"page":"1061-1080","source":"Crossref","is-referenced-by-count":9,"title":["A sensitive object\u2010oriented approach to big surveillance data compression for social security applications in smart cities"],"prefix":"10.1002","volume":"47","author":[{"given":"Jing","family":"Xiao","sequence":"first","affiliation":[{"name":"State Key Laboratory of Software Engineering Computer School of Wuhan University China"},{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University China"}]},{"given":"Zhongyuan","family":"Wang","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University China"},{"name":"Hubei Provincial Key Laboratory of Multimedia and Network Communication Engineering Wuhan University China"}]},{"given":"Yu","family":"Chen","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University China"}]},{"given":"Liang","family":"Liao","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University China"}]},{"given":"Jun","family":"Xiao","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University China"}]},{"given":"Gen","family":"Zhan","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University China"}]},{"given":"Ruimin","family":"Hu","sequence":"additional","affiliation":[{"name":"National Engineering Research Center for Multimedia Software Computer School of Wuhan University 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