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This paper is concerned with a novel kind of deployable structures that form closed loops that fold into a bundle of bars using simple hinges. These structures, first envisaged by Dr J.M. Hedgepeth, have potential applications for ultra-lightweight solar arrays, solar sails, and radar structures. A systematic study of the kinematics of closed-loop(More)
This paper investigates the application of statistical methods in performance analysis of multimodal biometric systems. It develops an efficient and systematic approach to evaluate system performance under the influence of errors. Based upon the proposed approach, 126 experiments are conducted with the BSSR1 dataset on typical fusion methods using different(More)
The IPv6 Routing Protocol for Low-power and Lossy Networks (RPL) allows a node to operate in storing or non-storing mode. However, as the network size increases, non-storing RPL will introduce lots of communication overhead, while storing RPL will consume lots of memory. In this paper, we improve the storing mode in RPL by reducing the memory consumption.(More)
This paper is concerned with spatial linkages forming a closed loop. In one extreme configuration (deployed), these linkages form a frame of polygonal shape, such as a square or a hexagon, and in the other extreme (folded) configuration form a tight bundle. Throughout their motion range, they have mobility one. These linkages have potential applications for(More)
BACKGROUND The optimal iliac screw path was determined to provide references for lumbosacral-pelvic reconstruction. METHODS Radiographic data of 100 patients with normal pelvis were selected for this study. Four paths were designed. Paths A, B, and C were from the starting point of the crossing point of the chiotic line and posterior iliac crest (CLIC,(More)
This paper proposes a new fusion approach of infrared (IR) and visual (VIS) images based on Undecimated Discrete Wavelet Transform (UDWT) and saliency map analysis. The proposed fusion method is composed of three steps. Firstly, IR and VIS images are decomposed into low-pass sub-band coefficients and high-pass sub-band coefficients by UDWT. Meanwhile,(More)
BACKGROUND Individualized therapeutic regimen is a recently intensively pursued approach for targeting diseases, in which the search for biomarkers was considered the first and most important. Thus, the goal of this study was to investigate whether the UGT1A1, ERCC1, BRCA1, TYMS, RRM1, TUBB3, STMN1 and TOP2A genes are underlying biomarkers for gastric(More)
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