全部文献期刊学位论文会议报纸专利标准年鉴图书|学者科研项目
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作者:Jingjing Yu , Qiyue Li , Haiyu Wang
来源:[J].Journal of Innovative Optical Health Sciences(IF 0.632), 2018, Vol.11 (2), pp.1750014-1-1750014-9DOAJ
摘要:Bioluminescence tomography (BLT) is an important noninvasive optical molecular imaging modality in preclinical research. To improve the image quality, reconstruction algorithms have to deal with the inherent ill-posedness of BLT inverse problem. The sparse characteristic of ...
作者:Qiyue Li , Yugui Qu
来源:[J].Sensors(IF 1.953), 2011, Vol.11 (2), pp.1847DOAJ
摘要:Conventional MAC protocols for wireless sensor network perform poorly when faced with a delay-tolerant mobile network environment. Characterized by a highly dynamic and sparse topology, poor network connectivity as well as data delay-tolerance, delay-tolerant mobile sensor networ...
作者:Qiyue Li , Xiaobo Qu ...
来源:[J].Computational and Mathematical Methods in Medicine(IF 0.791), 2014, Vol.2014Hindawi
摘要:Magnetic resonance imaging has been benefited from compressed sensing in improving imaging speed. But the computation time of compressed sensing magnetic resonance imaging (CS-MRI) is relatively long due to its iterative reconstruction process. Recently, a patch-based nonlocal op...
作者:... Wei Sun , Qiyue Li , Daniel G. Costa
来源:[J].International Journal of Distributed Sensor Networks(IF 0.727), 2016, Vol.2016Hindawi
摘要:This paper presents an integrated modeling method providing superior Quality of Service (QoS) for wireless sensor networks (WSNs) which is suitable for smart distribution grid (SDG) communication. Traditional QoS model based on IEEE802.15.4 protocol cannot meet the communication ...
作者:Qiyue Li , Zhixiang Liu
来源:[J].International Journal of Rock Mechanics and Mining Sciences(IF 1.2), 2018, Vol.109, pp.52-67Elsevier
摘要:Abstract(#br)Backfilling inaccessible cavity through raise can provide underground support for the active open-pit operations and the raise must be taken down in a single blast for safety reasons. Conventional raising techniques are not economically and technically feasible, and ...
作者:Qiyue Li , Chengqing Wu ...
来源:[J].International Journal of Rock Mechanics and Mining Sciences(IF 1.2), 2018, Vol.109, pp.91-104Elsevier
摘要:Abstract(#br)Over the past several decades, raise excavation has been widely employed in underground mining, civil engineering and military engineering. One-step raise excavation with burn cuts, where all the boreholes are pre-drilled and detonated at one time and no workers...
作者:Qiyue Li , Xiaobo Qu ...
来源:[J].Magnetic Resonance Imaging(IF 2.06), 2015, Vol.33 (5), pp.649-658Elsevier
摘要:Abstract(#br)Compressed sensing MRI (CS-MRI) is a promising technology to accelerate magnetic resonance imaging. Both improving the image quality and reducing the computation time are important for this technology. Recently, a patch-based directional wavelet (PBDW) has been appli...
作者:Qiyue Li , Wenzhuo Cao
来源:[J].Theoretical and Applied Fracture Mechanics(IF 0.628), 2018, Vol.98, pp.112-122Elsevier
摘要:Abstract(#br)The soaking time plays an important role in the engineering practice with respect to coal stability and failure. In the present study, 36 coal specimens were prepared and soaked in water for 0–240 h (h). A series of laboratory tests, including X-ray diffraction ...
作者:... Chenxiang Zhang , Qiyue Li , Zhi Liu
来源:[J].Computer Communications(IF 1.079), 2016, Vol.83, pp.16-26Elsevier
摘要:Abstract(#br)Scalable video coding (SVC) and adaptive modulation and coding (AMC) are key issues for video multicast in broadband wireless networks, which could improve users’ received video quality by encoding the video stream into different layers and assigning appropriate...

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