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As more and more Internet of Things (IoT) devices are connected to the cloud services, fog computing has emerged as a new computing model to provide analytic and intelligent services to the end users for fast response time. Among the application layer protocols used for IoT, MQTT and CoAP are two well-known lightweight protocols that run on top of TCP and UDP, respectively. MQTT supports publish/subscribe...
As more and more Internet of Things (IoT) devices are connected to the cloud services, fog computing has emerged as a new computing model to provide analytic and intelligent services to the end users for fast response time. Among the application layer protocols used for IoT, MQTT and CoAP are two well-known lightweight protocols that run on top of TCP and UDP, respectively. MQTT supports publish/subscribe...
Loop closure detection is very important in visual simultaneous and localization and mapping system (SLAM), which can reduce the accumulated drift. The most successful methods are based on Bag-of-Words model and need a large visual word dictionary. Recently, the VLAD, the state-of-the art compact descriptor, has achieved a great success in large scale image retrieval. In this paper, a novel vlad-based...
A method of group decision-making based on the preference distance is proposed,when the preference information is provided by decision maker with ordinal formal preference structure,and the decision makers' power with incomplete certain information. The distance of preference relation is defined ,and some available property and conclusion are given. The group aggregation procedure is given when decision...
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