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Data Alignment for Data Fusion in Wireless Multimedia Sensor Networks Based on M2M
( Jose Roberto Perez Cruz ),( Saul E. Pomares Hernandez ),( Enrique Munoz De Cote ) 한국인터넷정보학회 2012 KSII Transactions on Internet and Information Syst Vol.6 No.1
Advances in MEMS and CMOS technologies have motivated the development of low cost/power sensors and wireless multimedia sensor networks (WMSN). The WMSNs were created to ubiquitously harvest multimedia content. Such networks have allowed researchers and engineers to glimpse at new Machine-to-Machine (M2M) Systems, such as remote monitoring of biosignals for telemedicine networks. These systems require the acquisition of a large number of data streams that are simultaneously generated by multiple distributed devices. This paradigm of data generation and transmission is known as event-streaming. In order to be useful to the application, the collected data requires a preprocessing called data fusion, which entails the temporal alignment task of multimedia data. A practical way to perform this task is in a centralized manner, assuming that the network nodes only function as collector entities. However, by following this scheme, a considerable amount of redundant information is transmitted to the central entity. To decrease such redundancy, data fusion must be performed in a collaborative way. In this paper, we propose a collaborative data alignment approach for event-streaming. Our approach identifies temporal relationships by translating temporal dependencies based on a timeline to causal dependencies of the media involved.
Electrochemical oxidation of methyl orange azo dye at pilot flow plant using BDD technology
Cecilia Ramırez,Juan M. Peralta-Hernandez,Adriana Saldana,Berenice Hernandez,Roberto Acero,Ricardo Guerra,Sergi Garcia-Segura,Enric Brillas 한국공업화학회 2013 Journal of Industrial and Engineering Chemistry Vol.19 No.2
Solutions of methyl orange azo dye were degraded by electrochemical oxidation using a 3 L flow plant with a boron-doped diamond (BDD)/stainless steel cell operating at constant current density, ambient temperature and liquid flow rate of 12 L min-1. A 23 factorial design considering the applied current density, azo dye concentration and electrolysis time as variable independents was used to analyze the process by response surface methodology. LC–MS analysis revealed the formation of seven oxidation products from the cleavage of the –N55N– group of the dye, followed by deamination, formation of a nitro group and/or desulfonation of the resulting aromatics.
Kelda Zanchi Younan,Gabriel Francisco Krueger,Roberto Zimmer,Pedro Antonio Gonzalez Hernandez,Vania Regina Camargo Fontanella,Sergio Augusto Quevedo Miguens-Jr Korean Academy of Oral and Maxillofacial Radiology 2023 Imaging Science in Dentistry Vol.53 No.-
Purpose: This bibliometric analysis aimed to provide a comprehensive overview of the characteristics, trends, and level of diagnostic efficacy of studies on cone-beam computed tomography (CBCT) published in Imaging Science in Dentistry (ISD) from 2011 to 2022. Materials and Methods: Publications related to CBCT identified in the electronic collection of ISD were selected according to eligibility criteria by 2 independent reviewers who collected data on the characteristics of the articles (year, authors, and country). The type and topic of studies were analyzed using VOSviewer v.1.6.18 (Centre for Science and Technology Studies, Leiden University, Leiden, Netherlands). The research articles were classified according to the hierarchical scale of diagnostic efficacy. Results: Of the 236 articles included, most were from South Korea and Brazil. Bong-Hae Cho and Yun-Hoa Jung were the most prolific authors on the topic of CBCT. The most frequently published types of studies were cross-sectional and laboratory-based. The most popular topics WERE related to the diagnosis of pathologies and/or alterations, as well as anatomical variations. On the diagnostic efficacy scale, most studies were rated level 1 (technical efficacy) or 2 (diagnostic accuracy efficacy). Conclusion: A steady increase was observed in publications related to CBCT, which are of both clinical and academic interest. The trends in these publications were analyzed, revealing that most are cross-sectional studies primarily exploring the capabilities of CBCT in diagnosing pathologies and/or changes in the oral and maxillofacial complex. These studies were typically classified as level 1 or 2 on the diagnostic efficacy scale.
( Pilar Brito Zeron ),( Marta Perez De Lis Novo ),( Roberto Perez Alvarez ),( Jacobo Sellares ),( Soledad Retamozo ),( Xavier Bosch ),( Fernanda Hernandez ),( Josep Manel Santos ),( Antoni Siso Almira 대한내과학회 2014 대한내과학회 추계학술발표논문집 Vol.2014 No.1
Background: To analyse the infi uence of the epidemiological profi le in the disease expression of a large series of patients with sarcoidosis. Methods: Study cohort including 160 patients diagnosed with sarcoidosis in the last 10 years. The diagnosis of sarcoidosis was based on clinical criteria and imaging studies, together with the histopathological demonstration of non-necrotizing granulomas, and excluding other granulomatous diseases, mainly infectious (tuberculosis). Results: There were 106 women and 54 men, with a mean age at diagnosis of 46.87 years. The main clinical manifestations present at diagnosis were respiratory symptoms (40%), followed by general symptoms (31%), skin lesions (29%) and the incidental fi nding of imaging fi ndings in asymptomatic patients (18%). 37% of patients had adisease onset <40 years. This early onset of disease was reported mainly in males (44% vs 28%, p=0.027) and was associated with a higher frequency of general symptoms (42% vs 25%, p=0.023), erythema nodosum (29% vs 16%, p=0.041), uveitis (14% vs. 5%, p=0.05) and joint involvement (17% vs 5%, p=0.014), but with a lower frequency of interstitial lung disease (25% vs 42%, p=0.028) and splenic involvement (0% vs 7%, p=0.037). With respect to the differential presentation of the disease according to gender, women diagnosed with sarcoidosis had a higher mean age at diagnosis (48.8 vs 42.8 years, p=0.017), a higher frequency of skin involvement (35% vs 13%, p=0.003) and a lower frequency of pulmonary (34% vs 52%, p=0.022), hepatosplenic (2% vs 9%, p=0.044) and nervous system (3% vs 13%, p=0.032) involvements in comparison with males. Conclusions: An early disease onset (<40 years) was mainly associated with general and cutaneous involvement, while sarcoidosis in men affects more frequently vital organs.
( Edoardo Torres-guerrero ),( Elisa Crystal Sanchez-moreno ),( Carlos Enrique Atoche-dieguez ),( Erika Margarita Carrillo-casas ),( Roberto Arenas ),( Juan Xicohtencatl-cortes ),( Rigoberto Hernandez- 대한피부과학회 2018 Annals of Dermatology Vol.30 No.5
Background: The causative agents of leprosy are the well-known Mycobacterium leprae and the newly discovered Mycobacterium lepromatosis. This agent was found in 2008, and it was found to be the cause of diffuse lepromatous leprosy in two Mexican patients. Objective: The objective of this work was to determine if M. leprae and M. lepromatosis were present in formalin-fixed and paraffin- embedded skin samples from cases from different regions in Mexico. Methods: A total of 41 skin samples were obtained from 11 states of Mexico. All patients’ samples were diagnosed by clinical and histopathological analyses. Total DNA was isolated using a Qiagen-DNeasy blood and tissue kit and molecular identification was achieved by two semi-nested polymerase chain reactions. Results: The 41 patient included 33 samples from men and 8 samples from women; 29 samples were polymerase chain reaction (PCR)-positive to Mycobacterium and 12 samples were PCR-negative. From those 29 samples, 13 were PCR-positive to M. leprae, 8 to M. lepromatosis and 8 were positive to both species. The histopathological diagnosis included; Nodular lepromatous leprosy (NLL); Diffuse lepromatous leprosy (DLL); and Borderline leprosy (BL). The 29 PCR-positive samples were classified as follow: 14 NLL, 4 DLL, and 11 BL. In the 12 samples negative to Mycobacterium, 7 showed the NLL, 2 DLL and 3 BL. Conclusion: These findings add evidence to the M. leprae and M. lepromatous distribution, clinical forms and participation of dual infections in Mexico. (Ann Dermatol 30(5) 562∼565, 2018)