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  • Open Access

    ARTICLE

    Image Interpolation via Gaussian-Sinc Interpolators with Partition of Unity

    Gang Xu1, *, Ran Ling1, Lishan Deng1, Qing Wu1, Weiyin Ma2

    CMC-Computers, Materials & Continua, Vol.62, No.1, pp. 309-319, 2020, DOI:10.32604/cmc.2020.06509

    Abstract In this paper, we propose a novel image interpolation method by using Gaussian-Sinc automatic interpolators with partition of unity property. A comprehensive comparison is made with classical image interpolation methods, such as the bicubic interpolation, Lanczos interpolation, cubic Schaum interpolation, cubic B-spline interpolation and cubic Moms interpolation. The experimental results show the effectiveness of the improved image interpolation method via some image quality metrics such as PSNR and SSIM. More >

  • Open Access

    ARTICLE

    SSD Real-Time Illegal Parking Detection Based on Contextual Information Transmission

    Huanrong Tang1, Aoming Peng1, Dongming Zhang2, Tianming Liu3, Jianquan Ouyang1, *

    CMC-Computers, Materials & Continua, Vol.62, No.1, pp. 293-307, 2020, DOI:10.32604/cmc.2020.06427

    Abstract With the improvement of the national economic level, the number of vehicles is still increasing year by year. According to the statistics of National Bureau of Statics, the number is approximately up to 327 million in China by the end of 2018, which makes urban traffic pressure continues to rise so that the negative impact of urban traffic order is growing. Illegal parking-the common problem in the field of transportation security is urgent to be solved and traditional methods to address it are mainly based on ground loop and manual supervision, which may miss detection… More >

  • Open Access

    ARTICLE

    Fatigue Investigations on Steel Pipeline Containing 3D Coplanar and Non-Coplanar Cracks

    Zhongmin Xiao1, Wengang Zhang2, Yanmei Zhang1, *, Mu Fan3

    CMC-Computers, Materials & Continua, Vol.62, No.1, pp. 267-280, 2020, DOI:10.32604/cmc.2020.06567

    Abstract Fluctuated loadings from currents, waves and sea ground motions are observed on offshore steel pipelines, and they will result in small cracks to propagate continuously and cause unexpected damage to offshore/geotechnical infrastructures. In spite of the availability of efficient techniques and high-power computers for solving crack problems, investigations on the fatigue life of offshore pipelines with 3D interacting cracks are still rarely found in open literature. In the current study, systematic numerical investigations are performed on fatigue crack growth behaviours of offshore pipelines containing coplanar and non-coplanar cracks. Extended finite element method (XFEM) is adopted More >

  • Open Access

    ARTICLE

    Numerical Simulations for Stochastic Computer Virus Propagation Model

    Muhammad Shoaib Arif1, *, Ali Raza1, Muhammad Rafiq2, Mairaj Bibi3, Javeria Nawaz Abbasi3, Amna Nazeer3, Umer Javed4

    CMC-Computers, Materials & Continua, Vol.62, No.1, pp. 61-77, 2020, DOI:10.32604/cmc.2020.08595

    Abstract We are presenting the numerical simulations for the stochastic computer virus propagation model in this manuscript. We are comparing the solutions of stochastic and deterministic computer virus models. Outcomes of a threshold number R0 hold in stochastic computer virus model. If R0 < 1 then in such a condition virus controlled in the computer population while R0 > 1 shows virus rapidly spread in the computer population. Unfortunately, stochastic numerical techniques fail to cope with large step sizes of time. The suggested structure of the stochastic non-standard finite difference technique can never violate the dynamical properties. On More >

  • Open Access

    ORIGINAL ARTICLE

    Effects of IL-34 on the secretion of RANKL/OPG by fibroblast-like synoviocytes and peripheral blood mononuclear cells in rheumatoid arthritis

    Meiying Cui1, Xin Li1,2, Yimeng Lei1, Liping Xia1, Jing Lu1, Hui Shen1

    European Cytokine Network, Vol.30, No.2, pp. 67-73, 2019, DOI:10.1684/ecn.2019.0428

    Abstract Objective: To detect the effect of interleukin (IL)-34 on the secretion of Receptor activator of nuclear factor kappa-B ligand (RANKL)/Osteoprotegerin (OPG) and Matrix metalloproteinase (MMP)-3 by fibroblast-like synoviocytes (FLS) and peripheral blood mononuclear cells (PBMCs) of rheumatoid arthritis (RA) patients and to investigate whether the effect is mediated by IL-17. Method: RA-FLS and RA-PBMCs were stimulated with recombinant human (rh) IL-34, with or without the IL-17 inhibitor Plumbagin. The supernatant of the culture medium was collected and the levels of RANKL, OPG, and MMP-3 were detected by enzyme-linked immunosorbent assay (ELISA). Results: RhIL-34 promoted RANKL… More >

  • Open Access

    MINI-REVIEW

    Role of IL-33 in transplant biology

    Ying Jin1, Deqiang Kong2, Chen Liu2, Weihua Gong2

    European Cytokine Network, Vol.30, No.2, pp. 39-42, 2019, DOI:10.1684/ ecn.2019.0429

    Abstract Since the pro-inflammatory cytokine IL-33 and its receptor (ST2) are closely involved in regulating both innate and adaptiveimmune responses,itis conceivable that theymay play animportant rolein organ transplantation. IL-33 is broadly expressed by multiple cell types such as fibroblasts, epithelial cells, and endothelial cells. As a strong inducer of type 2 helperT (Th2) cellularimmune responses, IL-33 can significantly prolong allograft survivalin organ transplantation partially via altering gene expression profiles and increasing frequency of regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs). Nevertheless, the IL-33 signaling pathway and its underlying mechanisms remain largely undefined in transplant… More >

  • Open Access

    ORIGINAL ARTICLE

    IL-10 induces TGF-β secretion, TGF-β receptor II upregulation, and IgA secretion in B cells

    Yasser Bagheri1,2,3, Fateme Babaha4, Reza Falak1,2, Reza Yazdani3, Gholamreza Azizi5, Maryam Sadri1, Hassan Abolhassani3,6, Mehdi Shekarabi1,2, Asghar Aghamohammadi3

    European Cytokine Network, Vol.30, No.3, pp. 107-113, 2019, DOI:10.1684/ ecn.2019.0434

    Abstract Background: Interleukin-10 (IL-10) is a pleiotropic cytokine, which has both regulatory and stimulatory effects on different immune cell types. Different studies have reported the importance of IL-10 and Transforming growth factor-beta (TGF-β) in the regulation of B cell class switching the production of immunoglobulin A (IgA); however, the underlying mechanisms remain to be fully elucidated. The objective of this study was to investigate the TGF-β response during B stimulation of human B cells by IL-10. Methods: Pan B cells of healthy donors were negatively purified by a magnetic cell separation technique. B cells were cultured… More >

  • Open Access

    RESIDENT’S CORNER

    Cultural anorgasmia: considerations in the evaluation of male infertility in the Hasidic community

    Elliot Dubowitch, Jacob Khurgin

    Canadian Journal of Urology, Vol.26, No.4, pp. 9864-9866, 2019

    Abstract There are many factors that may contribute to infertility, including psychosocial issues. The understanding of the cultural and spiritual background of patients can help elicit a sexual history that may lead to a diagnosis and subsequent successful treatment plan. Within this context, we present a case report of a Hasidic couple with primary infertility. Evaluation revealed what we are referring to as “cultural anorgasmia,” with the male partner having never been educated about nor experienced an orgasm due to his religious upbringing. Counseling about basic anatomy and the physiology of sexual arousal and orgasm was More >

  • Open Access

    EDITORIAL

    Viral Therapy for Bladder Cancer: Everything Old is New Again

    Leonard G. Gomella

    Canadian Journal of Urology, Vol.26, No.4, pp. 9802-9802, 2019

    Abstract This article has no abstract. More >

  • Open Access

    ARTICLE

    Development and Characterization of Graphite Fluoride Dry Lubrication System by using Gamma Radiation

    SACHIN SINGHa, MUKTI TYAGIa,*, AJAY KUMAR TYAGIa, PRAVEEN KUMAR KAICKERa, LALIT VARSHNEYb

    Journal of Polymer Materials, Vol.36, No.4, pp. 305-321, 2019, DOI:10.32381/JPM.2019.36.04.2

    Abstract Graphite is the most suitable material as dry lubricant. However, its application as a lubricant is limited with necessity of moisture vapors. Alternatively, polytetrafluoroethylene (PTFE) has an excellent lubrication property but does not have mechanical characteristics. The effect of gamma radiation doses on the lubrication behavior of graphite –PTFE (Inoflon A-408) system has been studied using (TR-TW-30L) tribotester with thrust washer attachment. Different compositions of graphite and PTFE were prepared and irradiated by gamma rays. Improved tribological properties of graphite –PTFE system showed by decrease in coefficient of friction and wear. SEM-EDX, XRD and contact More >

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