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Feature Matching via Topology-Aware Graph Interaction Model

IEEE/CAA Journal of Automatica Sinica 2024年第1期11卷 113-130页

作者： Yifan lu Jiayi Ma xiaoguang mei Jun Huang xiao-Ping Zhang the Electronic Information School Wuhan UniversityWuhan 430072China IEEE Tsinghua Berkeley Shenzhen Institute Shenzhen 518071China the Department of Electrical Computer and Biomedical EngineeringToronto Metropolitan UniversityToronto ON M5B 2K3Canada

Feature matching plays a key role in computer vision. However, due to the limitations of the descriptors, the putative matches are inevitably contaminated by massive *** paper attempts to tackle the outlier filtering problem from two aspects. First, a robust and efficient graph interaction model,is proposed, with the assumption that matches are correlated with each other rather than independently distributed. To this end, we construct a graph based on the local relationships of matches and formulate the outlier filtering task as a binary labeling energy minimization problem, where the pairwise term encodes the interaction between matches. We further show that this formulation can be solved globally by graph cut algorithm. Our new formulation always improves the performance of previous localitybased method without noticeable deterioration in processing time,adding a few milliseconds. Second, to construct a better graph structure, a robust and geometrically meaningful topology-aware relationship is developed to capture the topology relationship between matches. The two components in sum lead to topology interaction matching(TIM), an effective and efficient method for outlier filtering. Extensive experiments on several large and diverse datasets for multiple vision tasks including general feature matching, as well as relative pose estimation, homography and fundamental matrix estimation, loop-closure detection, and multi-modal image matching, demonstrate that our TIM is more competitive than current state-of-the-art methods, in terms of generality, efficiency, and effectiveness. The source code is publicly available at http://***/Yifanlu2000/TIM.

关键词： Feature matching graph cut outlier filtering topology preserving

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右美托咪定减轻脂多糖诱导的心肌炎大鼠炎性损伤的机制研究

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局解手术学杂志 2024年第6期33卷 479-485页

作者：蔡迪盛任建光鲁晓梅周志颖儋州市人民医院麻醉手术科海南儋州571700 儋州市人民医院检验科海南儋州571700

目的探讨右美托咪定(Dex)调节腺苷酸激活蛋白激酶(AMPK)/沉默信息调节因子1(SIRT1)/核转录因子-κB(NF-κB)信号通路对脂多糖(LPS)诱导的心肌炎(Myo)大鼠炎性损伤的影响。方法将大鼠随机分为NC组、Myo组、L-Dex组(10μg/kg Dex)、M-Dex... 详细信息

目的探讨右美托咪定(Dex)调节腺苷酸激活蛋白激酶(AMPK)/沉默信息调节因子1(SIRT1)/核转录因子-κB(NF-κB)信号通路对脂多糖(LPS)诱导的心肌炎(Myo)大鼠炎性损伤的影响。方法将大鼠随机分为NC组、Myo组、L-Dex组(10μg/kg Dex)、M-Dex组(30μg/kg Dex)、H-Dex组(50μg/kg Dex)、AICAR组(100 mg/kg AMPK/SIRT1/NF-κB信号通路激活剂)、H-Dex+GSK690693组(50μg/kg Dex+0.2μmol/kg AMPK/SIRT1/NF-κB信号通路抑制剂GSK690693),每组10只。用M型超声心动图系统评估大鼠心脏功能;ELISA试剂盒检测大鼠血清白细胞介素-1β(IL-1β)、白细胞介素-6(IL-6)、肿瘤坏死因子-α(TNF-α)、超氧化物歧化酶(SOD)、丙二醛(MDA)水平;TUNEL染色观察细胞凋亡情况;通过HE染色观察心肌组织病理形态变化;RT-qPCR检测大鼠心肌组织中C-X-C基序配体1(CXCL1)、C-X-C基序配体2(CXCL2)、血管细胞黏附分子1(VCAM-1)mRNA表达;Western blot检测大鼠心肌组织中AMPK/SIRT1/NF-κB通路相关蛋白表达。结果NC组心肌细胞无异常变化,Myo组心肌细胞出现变形、坏死、炎性细胞浸润以及间质充血等现象,L-Dex组、M-Dex组、H-Dex、AICAR组细胞坏死、炎性细胞浸润以及间质充血等现象较Myo组得到了改善,H-Dex组和AICAR组心肌细胞变化与NC组相似,H-Dex+GSK690693组心肌细胞变化与Myo组相似。与NC组相比,Myo组左心室射血分数(LVEF)、左心室缩短分数(LVFS),SOD、p-AMPK/AMPK、p-SIRT1/SIRT1表达水平均显著下降(P0.05);与H-Dex组相比,H-Dex+GSK690693组LVEF、LVFS及SOD、p-AMPK/AMPK、p-SIRT1/SIRT1表达水平均显著下降(P<0.05),LVESV、LVEDV、LVESD、LVEDD,IL-1β、IL-6、TNF-α、MDA水平,心肌细胞凋亡率水平,CXCL1、CXCL2、VCAM-1、p-NF-κB/NF-κB、NF-κB p65蛋白表达均显著升高(P<0.05)。结论Dex可能通过上调AMPK/SIRT1/NF-κB信号通路减轻LPS诱导的Myo大鼠炎性损伤。

关键词：右美托咪定 AMPK/SIRT1/NF-κB信号通路心肌炎炎性损伤

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On the Monge–Kantorovich Mass Transfer Problem in Higher Dimensions

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Acta Mathematica Sinica,English Series 2024年第8期40卷 1989-2004页

作者： xiao Jun lu School of Mathematics Southeast UniversityNanjing 210096P.R.China

This paper mainly investigates the approximation of a global maximizer of the Monge–Kantorovich mass transfer problem in higher dimensions through the approach of nonlinear partial differential equations with Dirichlet *** an approximation mechanism,the primal maximization problem can be transformed into a sequence of minimization *** applying the systematic canonical duality theory,one is able to derive a sequence of analytic solutions for the minimization *** the final analysis,the convergence of the sequence to an analytical global maximizer of the primal Monge–Kantorovich problem will be demonstrated.

关键词： Monge-Kantorovich mass transfer singular variational problem canonical duality theory

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Characterizations of semihoops based on derivations

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Applied Mathematics(A Journal of Chinese Universities) 2024年第2期39卷 291-310页

作者： WANG mei ZHANG xiao-hong School of Electrical and Control Engineering Shaanxi University of Science and TechnologyXi'an 710021China School of Arts and Sciences Shaanxi University of Science and TechnologyXi'an 710021China School of Mathematics and Statistics Weinan Normal UniversityWeinan 714099China

In this paper,we discuss the related properties of some particular derivations in semihoops and give some characterizations of ***,we prove that every Heyting algebra is isomorphic to the algebra of all multiplicative derivations and show that every Boolean algebra is isomorphic to the algebra of all implicative ***,we show that the sets of multiplicative and implicative derivations on bounded regular idempotent semihoops are in oneto-one correspondence.

关键词： (prelinear)semihoop derivation Heyting algebra Galois connection

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LERANS健康教育对甲状腺癌患者术后康复、吞咽功能及心理调适能力的影响

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海南医学 2024年第15期35卷 2265-2270页

作者：汤洁闫文润田海龙陆晓梅杨亚萍郑州大学第一附属医院咽喉头颈外科河南郑州450000 郑州大学第一附属医院介入手术室河南郑州450000

目的探究聆听、建立、应用、提高、反馈、强化(LEARNS)健康教育在甲状腺癌患者中的应用效果。方法选取2021年1月至2023年6月就诊于郑州大学第一附属医院的90例甲状腺癌患者作为研究对象,按随机数表法分为观察组和对照组各45例。对照组... 详细信息

目的探究聆听、建立、应用、提高、反馈、强化(LEARNS)健康教育在甲状腺癌患者中的应用效果。方法选取2021年1月至2023年6月就诊于郑州大学第一附属医院的90例甲状腺癌患者作为研究对象,按随机数表法分为观察组和对照组各45例。对照组患者给予常规健康教育,观察组患者于此基础上给予LEARNS健康教育,干预至出院后1个月,比较两组患者的术后康复及术后1 d视觉模拟量表(VAS)评分,以及术后1 d和干预后的吞咽功能[洼田饮水试验、吞咽功能评估表(GUSS)]、颈部活动度及肩关节功能评价量表评分,并采用心理健康调查表(MHI-38)(由心理痛苦分量表、心理幸福感分量表构成)评价两组患者干预前后的心理调适能力。结果观察组患者术后1 d VAS评分为(2.96±0.45)分,明显低于对照组的(3.47±0.62)分,恢复进食时间、住院时间分别为(5.36±1.67)h、(4.12±1.56)d,明显短于对照组的(9.67±2.28)h、(6.77±2.00)d,差异均有统计学意义(P<0.05);干预后,观察组患者的洼田饮水试验评分为(1.45±0.20)分,明显低于对照组的(1.67±0.36)分,GUSS评分为(19.58±1.87)分,明显高于对照组的(18.67±2.20)分,差异均有统计学意义(P<0.05);干预后,观察组患者的颈部向健侧屈、向患侧屈、前屈及后伸活动度分别为(38.21±4.20)°、(35.64±4.36)°、(41.24±5.33)°、(35.16±3.54)°,明显高于对照组的(33.67±5.13)°、(31.25±4.65)°、(38.20±4.54)°、(32.00±3.12)°,差异均有统计学意义(P<0.05);干预后,观察组患者肩部功能量表中的肩关节活动范围、疼痛、日常生活能力、肌力评分分别为(25.47±4.15)分、(29.10±4.62)分、(35.26±5.10)分、(5.12±0.62)分,明显高于对照组的(21.56±3.98)分、(26.03±5.10)分、(31.06±4.78)分、(4.68±0.53)分,差异均有统计学意义(P<0.05);干预后,观察组患者心理痛苦分量表中焦虑、抑郁、行为/情绪失控评分分别为(15.39±3.44)分、(8.53±2.40)分、(14.33±3.50)分,明显低于对照组的(20.36±3.20)分、(11.35±2.55)分、(19.45±4.55)分,心理幸福感分量表中总正性情感、情感纽带、生活满意度评分分别为(50.53±4.70)分、(9.80±2.50)分、(5.50±1.62)分,明显高于对照组的(42.65±5.43)分、(7.13±2.01)分、(4.13±1.10)分,差异均有统计学意义(P<0.05)。结论LEARNS健康教育有助于加速甲状腺癌患者康复进程,增强心理调适能力,促进吞咽及肩颈功能早期康复,具有一定的临床应用价值。

关键词：健康教育甲状腺癌心理调适能力吞咽功能肩关节功能

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Study on carbon emission calculation method and carbon reduction indexes of urban building stock

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Science China(Technological Sciences) 2024年第9期67卷 2706-2726页

作者： YANG Liu ZHANG Nan lu mei luO ZhiXing DOU mei State Key Laboratory of Green Building Xi’an University of Architecture and TechnologyXi’an 710055China School of Architecture Xi’an University of Architecture and TechnologyXi’an 710055China School of Language Literature and LawXi’an University of Architecture and TechnologyXi’an 710055China School of Management Xi’an University of Architecture and TechnologyXi’an 710055China China Southwest Architectural Design and Research Institute Corp.Ltd. Chengdu 610041China

Carbon emissions associated with buildings are a major source of urban emissions. To put forward the methods and strategies to curb carbon emissions from urban building stock, it is not only necessary to establish a carbon emission calculation method for fine statistical analysis, but also to evaluate carbon emissions of urban planning schemes with applicable indexes. Currently,researches mainly focus on carbon emissions of individual buildings. When expanded to urban building stock, the calculation faces the lack of basic data, inadequate spatial analysis and unspecific carbon reduction indexes. Therefore, this study proposes a bottom-up calculation method for urban building stock, conducts spatial analysis based on carbon balance of urban grids, reveals the coupling mechanism between urban carbon reduction indexes and grid carbon emissions, and systematically establishes a carbon-reduction-oriented urban planning method that comprises calculation, analysis and evaluation, which is applied to Xi'an,China. This study provides a theoretical reference for cities to formulate carbon reduction targets and implement planning strategies by evaluating and predicting carbon emissions from urban building stock.

关键词： carbon emissions urban building stock calculation method carbon reduction index

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Decentralized Optimal Control and Stabilization of Interconnected Systems With Asymmetric Information

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IEEE/CAA Journal of Automatica Sinica 2024年第3期11卷 698-707页

作者： Na Wang xiao Liang Hongdan Li xiao lu the College of Electrical Engineering and Automation Shandong University of Science and TechnologyQingdao 266000China the School of Automation and Electrical Engineering Linyi UniversityLinyi 276000China the College of Energy Storage Technology Shandong University of Science and TechnologyQingdao 266000China

The paper addresses the decentralized optimal control and stabilization problems for interconnected systems subject to asymmetric *** with previous work,a closed-loop optimal solution to the control problem and sufficient and necessary conditions for the stabilization problem of the interconnected systems are given for the first *** main challenge lies in three aspects:Firstly,the asymmetric information results in coupling between control and estimation and failure of the separation ***,two extra unknown variables are generated by asymmetric information(different information filtration)when solving forward-backward stochastic difference ***,the existence of additive noise makes the study of mean-square boundedness an *** adopted technique is proving and assuming the linear form of controllers and establishing the equivalence between the two systems with and without additive noise.A dual-motor parallel drive system is presented to demonstrate the validity of the proposed algorithm.

关键词： Asymmetric information decentralized control forwardbackward stochastic difference equations interconnected system stalibization

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On Minor Left Prime Factorization Problem for Multivariate Polynomial Matrices

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Journal of Systems Science & Complexity 2024年第3期37卷 1295-1307页

作者： lu Dong WANG Dingkang xiao Fanghui School of Mathematics Southwest Jiaotong UniversityChengdu 610031China KLMM Academy of Mathematics and Systems ScienceChinese Academy of SciencesBeijing 100190China School of Mathematical Sciences University of Chinese Academy of SciencesBeijing 100049China MOE-LCSM School of Mathematics and StatisticsHunan Normal UniversityChangsha 410081China

A new necessary and sufficient condition for the existence of minor left prime factorizations of multivariate polynomial matrices without full row rank is *** key idea is to establish a relationship between a matrix and any of its full row rank *** on the new result,the authors propose an algorithm for factorizing matrices and have implemented it on the computer algebra system *** examples are given to illustrate the effectiveness of the algorithm,and experimental data shows that the algorithm is efficient.

关键词： Free modules Grobner bases minor left prime(MLP) multivariate polynomial matrices polynomial matrix factorizations

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Proposing a development framework for sustainable architecture, engineering, and construction industry in China: Challenges, best practice, and future directions

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Frontiers of Structural and Civil Engineering 2024年第5期18卷 805-814页

作者： Peixian LI Yujie lu Xuwen xiao College of Architecture and Urban Planning Tongji UniversityShanghai 200092China Key Laboratory of Ecology and Energy Saving Study of Dense Habitat(Tongji University) Ministry of EducationShanghai 200092China College of Civil Engineering Tongji UniversityShanghai 200092China Key Laboratory of Performance Evolution and Control for Engineering Structures of Ministry of Education Tongji UniversityShanghai 200092China China State Construction Engineering Corporation Beijing 100029China

China’s architecture,engineering,and construction(AEC)industry needs a clear and sustainable development *** inspiration from speeches delivered at a seminar hosted by the Chinese Academy of Engineering and extensive literature research on Chinese policies,this article presents a summary of the current trends in the AEC industry in four dimensions:industrialization as the foundation,intelligence as the enabler,lean management as the strategy,and green development as the *** four dimensions are intricately interconnected and rooted in multiple *** article provides a detailed review of the current practices,challenges,and future directions associated with each ***,ten grand challenges were proposed to stimulate discussions on the future of the AEC *** article offers an overarching understanding of the AEC industry and presents a four-dimension framework for sustainable development,which can be valuable for AEC practitioners.

关键词： green building lean construction prefabrication smart construction sustainable development

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人脐带间充质干细胞源外泌体对血管内皮细胞缺氧-复氧损伤的保护作用

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解剖科学进展 2024年第3期30卷 225-228,232页

作者：朱华赵翡马玲马海英卢晓梅张宇于艳秋中国医科大学基础医学院病理生理教研室辽宁沈阳110122 沈阳细胞治疗工程技术研发中心有限公司辽宁沈阳110196

目的研究人脐带间充质干细胞来源的外泌体(hUCMSCs-exo)对血管内皮细胞缺氧-复氧(H/R)损伤的保护作用。方法取足月新生儿脐带中的华通氏胶以组织块贴壁法提取人脐带间充质干细胞(hUCMSCs),流式细胞术检测hUCMSCs表面标志物CD34、CD45、C... 详细信息

目的研究人脐带间充质干细胞来源的外泌体(hUCMSCs-exo)对血管内皮细胞缺氧-复氧(H/R)损伤的保护作用。方法取足月新生儿脐带中的华通氏胶以组织块贴壁法提取人脐带间充质干细胞(hUCMSCs),流式细胞术检测hUCMSCs表面标志物CD34、CD45、CD73、CD90、CD105,成脂、成骨实验检测hUCMSCs的分化能力。超速离心法提取hUCMSCs培养上清液中的外泌体,电镜检测hUCMSCs-exo的形态及Western blot检测hUCMSCs-exo的标志蛋白CD9、CD63。人脐静脉内皮细胞(HUVECs)经缺氧(1%O_(2))培养12 h,然后常氧(95%空气)培养12 h,以建立H/R模型。实验分组:对照组、H/R组、hUCMSCs-exo组。台盼蓝染色检测细胞存活率;CCK-8检测HUVECs增殖能力;Transwell实验检测HUVECs的迁移能力、成血管实验检测HUVECs的成血管能力。结果自华通氏胶中提取的干细胞CD73、CD90、CD105标记物表达阳性,CD34、CD45表达阴性,具有成脂、成骨分化能力。外泌体标志物CD9、CD63呈阳性表达。与对照组相比,H/R组活率降低,增殖、迁移、成血管能力下降,而hUCMSCs-exo提高了H/R后HUVECs的存活率,改善增殖能力、迁移能力和管腔形成能力。结论hUCMSCs-exo对H/R导致的HUVECs的损伤具有保护作用。

关键词：人脐带间充质干细胞外泌体血管内皮细胞缺氧-复氧

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