نتایج جستجو برای: quality detection
تعداد نتایج: 1291112 فیلتر نتایج به سال:
This paper presents a novel method of no-reference image quality assessment for JPEG encoded images by means of multiresolution analysis using Haar wavelet decomposition. The proposed method takes advantage of the fact that JPEG encoded images are usually contaminated with blockiness artifacts. Blockiness artifact is modeled as a particular edge structure that transforms into a different edge s...
In this paper, a framework is proposed to assess the quality of urban geospatial data using image information. An important aspect is the emphasis on accuracy and reliability of the system. The quality of the image information is quantified by characterizing the ridge detection performance in terms of detection rate. Based on statistics of a typical road and its immediate surroundings, a predic...
The study of the quality of electric power lines is usually known as Power Quality. Power quality problems are increasingly due to a proliferation of equipment that is sensitive and polluting at the same time. The detection and classification of the different disturbances which cause power quality problems is a difficult task which requires a high level of engineering knowledge. Thus, neural ne...
Wireless sensor networks consist a large number of sensor nodes and physical attack suffered by the wireless sensor network is node clone attack. A node clone detection protocol randomly directed exploration is used to detect node clones using forwarding technique based on probability. The simulation is done using NS2 for detection probability, communication cost and storage consumption. An eff...
This paper proposes an algorithm, called the Optimized Barrier Coverage Algorithm (OBCA), to optimize the quality of the barrier coverage formed by a wireless sensor network (WSN). OBCA aims at optimizing the barrier coverage quality in terms of the detection degree, the detection quality, and the transmission quality (i.e., the expected transmission time). This paper also proposes a model to f...
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