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Tree Branching Reconstruction from Unilateral Point Clouds
[chapter]
2012
Lecture Notes in Computer Science
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Trees are ubiquitous in natural environment and realistic models of tree are also indispensable in computer graphics and virtual reality domains. However, their complexity in geometry and topology make it a great challenge for photo-realistic tree reconstruction. Since tree trunk is the preliminary structure of trees, its modeling is a critical step which plays an important role in tree modeling. Many existing methods focus on the overall resemblance of tree branches but omit the local geometry
doi:10.1007/978-3-642-31439-1_23
fatcat:qyvik6mxizdgre7zzhw5nl45jm
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... details. In this paper, we perform unilateral scanning of real-world trees and propose an approach that could reconstruct trees from incomplete point clouds. The core of our method contains four parts: local optimal segmentation of tree branch, skeletal point and lines extraction from unilateral branch, the cross-section construction of tree branch, and final tree branch surface generation. Experimental results demonstrate the effectiveness and robustness of our method which could keep realistic shape of trees.
Diagnosis of a malayan filariasis case using a shotgun diagnostic metagenomics assay
2016
Parasites & Vectors
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Malayan filariasis is a lymphatic filariasis caused by Brugia malayi. It is easily misdiagnosed in non-endemic areas for atypical symptoms and rare diagnostic experience. A 34-year-old Chinese woman in New York presented with diffuse erythema on her body, swelling of her body, and watery, itchy, red, sore, swollen and stinging of the eyes, and severe night-time itching. No hospital that the patient visited could make a definite diagnosis by conventional diagnostic methods. It is therefore
doi:10.1186/s13071-016-1363-2
pmid:26879053
pmcid:PMC4754835
fatcat:5ldny6fbovftrcxjjykxiwi3te
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... ary to explore a new effective method to detect the pathogen that infected the patient. Findings: An unbiased metagenomic approach was used in this study. After DNA was extracted from the patient's eye discharge sample and subcutaneous tissue sample, extended parallel sequencing was performed. The obtained raw reads were aligned to human genome to filter out the reads of the host, and the remaining reads were aligned to a candidate pathogenic protein database and four filarial genomes. The result showed that the reads of B. malayi accounted for an overwhelming ratio in the two samples, which indicated that the patient suffered from malayan filariasis. The subsequent therapeutic efficacy of anti-filariasis treatment validated the result of metagenomics assay. Conclusions: The present study proved that metagenomic assay can be an effective approach in the diagnosis of parasitic infection. We report a rare case of malayan filariasis from the United States.
Fast Discriminative Stochastic Neighbor Embedding Analysis
2013
Computational and Mathematical Methods in Medicine
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Feature is important for many applications in biomedical signal analysis and living system analysis. A fast discriminative stochastic neighbor embedding analysis (FDSNE) method for feature extraction is proposed in this paper by improving the existing DSNE method. The proposed algorithm adopts an alternative probability distribution model constructed based on itsK-nearest neighbors from the interclass and intraclass samples. Furthermore, FDSNE is extended to nonlinear scenarios using the kernel
doi:10.1155/2013/106867
pmid:23853667
pmcid:PMC3703401
fatcat:o3dcp6vezfgexg4zaxtgudwrbi
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... trick and then kernel-based methods, that is, KFDSNE1 and KFDSNE2. FDSNE, KFDSNE1, and KFDSNE2 are evaluated in three aspects: visualization, recognition, and elapsed time. Experimental results on several datasets show that, compared with DSNE and MSNP, the proposed algorithm not only significantly enhances the computational efficiency but also obtains higher classification accuracy.
Quantitative analysis of internal components of the human crystalline lens during accommodation in adults
2021
Scientific Reports
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AbstractTo quantitatively analyze changes in the inner components of the human crystalline lens during accommodation in adults. Eyes of 23 subjects were sequentially examined using CASIA2 Optical Coherence Tomography under 0D, − 3D and − 6D accommodation states. The anterior chamber depth (ACD), anterior and posterior crystalline lens radius of the curvature (ALRC and PLRC) were obtained using built-in software. The lens thickness (LT), lenticular nucleus thickness (NT), anterior cortex
doi:10.1038/s41598-021-86007-6
pmid:33758264
fatcat:7ivoua2du5gznctgtkh5ts7cua
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... s (ACT), posterior cortex thickness (PCT), anterior and posterior lenticular nucleus radius of the curvature (ANRC and PNRC), anterior and posterior lenticular nucleus vertex (ANV and PNV) were quantified manually with the Image-pro plus software. During accommodation, the ACD became significantly shallower and LT significantly increased. For changes in the lens, the ALRC decreased by an average magnitude (related to accommodative stimuli) 0.44 mm/D, and PLRC decreased 0.09 mm/D. There was no difference for the ACT and PCT in different accommodation states. For lenticular nucleus response, NT increased on average by 30 μm/D. Both the ANRC and PNRC decreased on average by 212 μm/D and 115 μm/D respectively. The ANV moved forward on average by 0.07 mm under − 3D accommodative stimuli and 0.16 mm for − 6D. However, there was no statistically significant difference between different accommodation states in the PNV movement. Under accommodation stimulation, lens thickness changed mainly due to the lenticular nucleus, but not the cortex. For the lenticular nucleus, both the ANRC and PNRC decreased and ANRC changed the most. The anterior surface of the nucleus moved forward while the posterior surface of the nucleus moved backward but only slightly.
Kernel-Based Manifold-Oriented Stochastic Neighbor Projection Method
2013
ECMS 2013 Proceedings edited by: Webjorn Rekdalsbakken, Robin T. Bye, Houxiang Zhang
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edu.cn Qiongfang Huang was born in Zunyi, China and went to the Zhejiang University of Technology, where she studied computer science and technology and obtained her undergraduate degree in 2013. ...
Her e-mail address is : gdhqf@sina.cn Wanliang Wang was born in Jiangshu, China and went to the TongJi University, where he studied control theory and control engineering and obtained his doctor degree ...
doi:10.7148/2013-0843
dblp:conf/ecms/ZhengQHWX13
fatcat:q7wtxjgymnemldvxaw3ybpi4i4
Reporting of declarations and conflicts of interest in WHO guidelines can be further improved
2018
Journal of Clinical Epidemiology
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28 Objectives: We aimed to examine the declaration of interests (DOI), management of conflict of interest (COI), and 29 the funders for World Health Organization (WHO) guidelines. 30 Study Design and Setting: We examined all Guidelines Review Committee (GRC)-approved WHO guidelines 31 published in English from January 2007 (inception of the GRC) to November 2016. We obtained a list of all such 32 guidelines from the GRC Secretariat. Characteristics of guidelines including funders and individual
doi:10.1016/j.jclinepi.2017.12.021
pmid:29292204
fatcat:li34mwe6ufgevnfgmebhx3ei2m
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... contributors' 33 DOI were independently extracted by two researchers. Binary logistic regression was used to assess the association 34 between declarations and the number of organizations involved in development. 35 36 Results: 176 guidelines fulfilled inclusion criteria, encompassing 14 clinical or public health fields. Funders were 37 reported in 128 (73%) of the guidelines: the most common were governments. DOI for external contributors were 38 reported in 157 (89%) of the guidelines: 75 (48%) indicated no contributors with COI, 57 (36%) reported 39 contributors with COI, and 25 (16%) reported collecting DOI but not whether COI existed. Financial COI were 40 reported more frequently than nonfinancial COI. Of 57 guidelines that reported COI, 45 (79%) indicated how the 41 COI were managed. 42 Conclusion: The majority of WHO guidelines reported their funding sources, and the DOI and COI of external 43 contributors in their guideline documents. However, there is a need for improvement, in particular for reporting of 44 funders and their role, declaration processes, and management of COI. 45 Key words: practice guideline; WHO; declaration of interest (DOI); conflicts of interest (COI); reporting quality 46 47 3
Culture surfaces induce hypoxia-regulated genes in human mesenchymal stromal cells
2019
Biomedical Materials
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., Li Q, Ma J, Yang A, Cui Z, Wang H, Ye H., Effect of Substrate Topography and 23 Chemistry on Human Mesenchymal Stem Cell Markers: A Transcriptome Study. ...
Wang, N., J.P. Butler, and D.E. Ingber, Mechanotransduction across the cell surface and 34 through the cytoskeleton. Science, 1993. 260(5111): p. 1124-7. 35 39. ...
doi:10.1088/1748-605x/ab0e61
pmid:30849767
fatcat:26bmg7i5yjf35bgahweet35jce
Circular RNAs in gastrointestinal cancer: Current knowledge, biomarkers and targeted therapy (Review)
2020
International Journal of Molecular Medicine
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Wang X, Ren Y, Ma S and Wang S: circular RNA 0060745, a novel circRNA, promotes colorectal cancer cell proliferation and metastasis through miR-4736 sponging. ...
Shang A, Gu c, Wang W, Wang X, Sun J, Zeng B, chen c, chang W, Ping Y, Ji P, et al: Exosomal circPAcRGL promotes progression of colorectal cancer via the miR-142-3p/miR-506-3p-TGF-β1 axis. ...
doi:10.3892/ijmm.2020.4731
pmid:33000182
pmcid:PMC7521476
fatcat:r2ffk2omdbe2xdcxbnfwfllwgu
Potential Impact of a Large-Scale Cascade Reservoir on the Spawning Conditions of Critical Species in the Yangtze River, China
2019
Water
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Dam building and reservoir operations alter the downstream hydrological regime, and as a result, affect the health of the river aquatic ecosystem, particularly for large-scale cascade reservoirs. This study investigated the impact of the Gezhouba Reservoir (GR) and the Three Gorges Reservoir (TGR) on the spawning conditions of two critical taxa, i.e., the endemic four major carps and the endangered Chinese sturgeon in the Yangtze River. We analyzed the flow, sediment, and thermal regime in
doi:10.3390/w11102027
fatcat:pbnchetdpnfs7nqldaza3jhwhe
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... two taxa spawning seasons and compared their features between the predam and postdam periods. Our results revealed that the GR and the TGR had altered the frequency distributions of flow, sediment, and water temperature to different degrees, with the impact by the GR on the carps and Chinese sturgeon ranked as water temperature > flow, sediment > water temperature > flow, and the effect of the TGR on these two taxa were ordered as flow > water temperature, sediment > flow > water temperature. For the GR, the satisfying degree of the suitable flow and water temperature of the carps increased, whilst the suitable flow, sediment, and water temperature for the Chinese sturgeon decreased. These changes in TGR showed a significant ascending (descending) trend in the suitable flow (water temperature) for the carps, and a clear decreasing trend in the flow, sediment, and temperature for Chinese sturgeon. Both the TGR and the GR had negative impacts on the spawning of these two taxa in terms of the rising/falling flow characteristics.
Supine versus semi-Fowler's positions for tracheal extubation in abdominal surgery-a randomized clinical trial
2020
BMC Anesthesiology
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Tracheal extubation is commonly performed in the supine position. However, in patients undergoing abdominal surgery, the supine position increases abdominal wall tension, especially during coughing and deep breathing, which may aggravate pain and lead to abdominal wound dehiscence. The semi-Fowler's position may reduce abdominal wall tension, but its safety and comfort in tracheal extubation have not been reported. We aimed to evaluate the safety and comfort of different extubation positions in
doi:10.1186/s12871-020-01108-5
pmid:32738878
fatcat:obv7h4xuvzfvdjcfmp7ir5s4ry
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... patients undergoing abdominal surgery. We enrolled 141 patients with an American Society of Anesthesiologists grade of I-III who underwent abdominal surgery. All patients were anesthetized with propofol, fentanyl, cisatracurium, and sevoflurane. After surgery, all patients were transferred to the post-anesthesia care unit (PACU). Patients were then randomly put into the semi-Fowler's (n = 70) or supine (n = 71) position while 100% oxygen was administered. The endotracheal tube was removed after the patients opened their eyes and regained consciousness. Vital signs, coughing, and pain and comfort scores before and/or after extubation were recorded until the patients left the PACU. In comparison with the supine position, the semi-Fowler's position significantly decreased the wound pain scores at all intervals after extubation (3.51 ± 2.50 vs. 4.58 ± 2.26, 2.23 ± 1.68 vs. 3.11 ± 2.00, 1.81 ± 1.32 vs. 2.59 ± 1.88, P = 0.009, 0.005 and 0.005, respectively), reduced severe coughing (8[11.43%] vs. 21[29.58%], P = 0.008) and bucking after extubation (3[4.29%] vs. 18[25.35%], P < 0.001), and improved the comfort scores 5 min after extubation (6.11 ± 2.30 vs. 5.17 ± 1.78, P = 0.007) and when leaving from post-anesthesia care unit (7.17 ± 2.27 vs. 6.44 ± 1.79, P = 0.034). The incidences of vomiting, emergence agitation, and respiratory complications were of no significant difference. Tracheal extubation in the semi-Fowler's position is associated with less coughing, sputum suction, and pain, and more comfort, without specific adverse effects when compared to the conventional supine position. Chinese Clinical Trial Registry, ChiCTR1900025566 . Registered on 1st September 2019.
Enhanced potential ecological risk induced by a large scale water diversion project
2020
Stochastic environmental research and risk assessment (Print)
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facilitate water resource management, they have also modified hydrological regimes (Zhang et al. 2011; Zhao et al. 2012) , interrupted longitudinal river and habitat connectivity (Suen et al. 2009; Wang ...
Currently, the effect of the DJK dam on river discharge at specific locations (Lu et al. 2009; Song et al. 2018; Wang et al. 2015) , water resource availability and risk (Chen et al. 2012; Gu et al. ...
doi:10.1007/s00477-020-01861-6
fatcat:fvby5cy3vfgz5gcp3gdrg47na4
Zinc finger and interferon-stimulated genes play a vital role in TB-IRIS following HAART in AIDS
2018
Personalized Medicine
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2018). Zinc finger and interferon-stimulated genes play a vital role in TB-IRIS following HAART in AIDS. Personalized Medicine, 15(4), 251-269.
doi:10.2217/pme-2017-0084
pmid:29984631
fatcat:t5vo5lfnt5bb7ewjfiucswgxmm
Drought Assessment by a Short-/Long-Term Composited Drought Index in the Upper Huaihe River Basin, China
2016
Advances in Meteorology
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., [14] ; Wang et al., [15] ; Duan et al., [16] ; Yan et al., [17] ). ...
doi:10.1155/2016/7986568
fatcat:h2uwdfpyhrfzjlmkwjv6rvregq
A Novel Evaluation Approach to Finding Lightweight Machine Learning Algorithms for Intrusion Detection in Computer Network
2015
International journal of network security and its applications
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Building practical and efficient intrusion detection systems in computer network is important in industrial areas today and machine learning technique provides a set of effective algorithms to detect network intrusion. To find out appropriate algorithms for building such kinds of systems, it is necessary to evaluate various types of machine learning algorithms based on specific criteria. In this paper, we propose a novel evaluation formula which incorporates 6 indexes into our comprehensive
doi:10.5121/ijnsa.2015.7601
fatcat:hypqldtnrjbibmmyd3vsef5mgi
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... urement, including precision, recall, root mean square error, training time, sample complexity and practicability, in order to find algorithms which have high detection rate, low training time, need less training samples and are easy to use like constructing, understanding and analyzing models. Detailed evaluation process is designed to get all necessary assessment indicators and 6 kinds of machine learning algorithms are evaluated. Experimental results illustrate that Logistic Regression shows the best overall performance.
Copper increases reductive dehalogenation of haloacetamides by zero-valent iron in drinking water: Reduction efficiency and integrated toxicity risk
2016
Water Research
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(Feng and Lim, 2007; Wang et al., 2009) , dichloromethane (Feng and Lim, 2007; Wang et al., 2009) , tetrachloroethylene (Lien and Zhang, 2001; Zhang et al., 1998) , trichloroethylene (Lien and Zhang ...
., 2012; Wang et al., 2014; Chu et al., 2015b) . However, DBP formation can also occur in water distribution systems, due to reactions involving residual chlorine (Rossman et al., 2001) . ...
doi:10.1016/j.watres.2016.10.047
pmid:27837731
fatcat:zli24e5nond6nkkvpzvvbioysa
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