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轻量级网络在人脸表情识别上的新进展

计算机应用研究 2024年第3期41卷 663-670页

作者：蒋斌崔晓梅江宏彬丁汉清袁俊岭郑州轻工业大学计算机与通信工程学院郑州450001

作为人工智能领域的热门研究方向,人脸表情识别(facial expression recognition,FER)是让计算机获取人类感情最直接最有效的方式,在人机交互、智慧医疗、疲劳驾驶等研发课题中占据关键的技术地位。为了满足高识别率的应用需求,FER深度... 详细信息

作为人工智能领域的热门研究方向,人脸表情识别(facial expression recognition,FER)是让计算机获取人类感情最直接最有效的方式,在人机交互、智慧医疗、疲劳驾驶等研发课题中占据关键的技术地位。为了满足高识别率的应用需求,FER深度学习网络结构愈发复杂,占用了大量的计算资源和存储空间,严重影响了算法实时性的要求。围绕如何在有效提升模型运算速度的同时,保障模型的精度这一问题展开综述。首先,介绍了利用轻量级网络实现表情识别的重要数据集;其次,对用于人脸表情识别的经典轻量级网络模型进行了分析;再次,阐述了主要的网络轻量化方法的原理、特点及适用场景;最后,总结了轻量级网络在人脸表情识别研究中存在的问题和挑战,对未来的研究方向进行展望。

关键词：人脸表情识别轻量化网络网络轻量化深度学习

A Self-certified Cross-Cluster Asymmetric Group Key Agreement for Wireless Sensor Networks

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Chinese Journal of Electronics 2019年第2期28卷 280-287页

作者： ZHANG Qikun LI Yongjiao ZHANG Quanxin yuan junling WANG Ruifang GAN Yong TAN Yu'an Institute of Computer and Communication Engineering Zhengzhou University of Light Industry School of Computer Science and Technology Beijing Institute of Technology

Wireless sensor networks have some obvious characteristics, such as communication range is limited, computing power is limited and energy is limited. Group key agreement in this environment requires a cross-cluster, computation and communication overhead are lightweight and highly safe group key agreement protocol. Aiming at these demands, the paper proposes a Self-certified cross-cluster Asymmetric group key agreement(SC-AGKA). To establish a lightweight and efficient group communication channel among sensor nodes. According to the cluster head as the bridge node to realize the sensor nodes in different cluster have the same group key information, and negotiate a pair of asymmetric group keys to realize the cross cluster secure communication. The group communication adopts asymmetric encryption mechanism. It realizes the group security communication mechanism of message sender unconstraint. The asymmetric group key agreement has the key self-certified, which does not need additional rounds to verify the correctness of group key. Proven and analysis show that the proposed protocol has the advantages of in security and energy consumption.

关键词： Wireless sensor networks Asymmetric group key agreement Authenticated protocol Key self-confirmation

Association of TRMT2B gene variants with juvenile amyotrophic lateral sclerosis

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Frontiers of Medicine 2024年第1期18卷 68-80页

作者： Yanling Liu Xi He Yanchun yuan Bin Li Zhen Liu Wanzhen Li Kaixuan Li Shuo Tan Quan Zhu Zhengyan Tang Feng Han Ziqiang Wu Lu Shen Hong Jiang Beisha Tang Jian Qiu Zhengmao Hu junling Wang Department of Neurology Xiangya HospitalCentral South UniversityJiangxiNational Regional Center for Neurological DiseasesNanchang330038China Provincial Laboratory for Diagnosis and Treatment of Genitourinary System Disease Department of UrologyXiangya HospitalCentral South UniversityChangsha410078China Department of Orthopedics The First Affiliated HospitalZhejiang University School of MedicineHangzhou310002China Department of Neurology Xiangya HospitalCentral South UniversityChangsha410078China National Clinical Research Center for Geriatric Diseases Xiangya HospitalCentral South UniversityChangsha410008China Key Laboratory of Hunan Province in Neurodegenerative Disorders Central South UniversityChangsha410008China Center for Medical Genetics School of Life SciencesCentral South UniversityChangsha410008China Engineering Research Center of Hunan Province in Cognitive Impairment Disorders Central South UniversityChangsha410078China Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases Changsha410078China Hunan Key Laboratory of Molecular Precision Medicine Xiangya HospitalCentral South UniversityChangsha410078China

Amyotrophic lateral sclerosis(ALS)is a fatal neurodegenerative disease characterized by progressive degeneration of motor neurons,and it demonstrates high clinical heterogeneity and complex genetic architecture.A variation within TRMT2B(c.1356G>T;p.K452N)was identified to be associated with ALS in a family comprising two patients with juvenile ALS(JALS).Two missense variations and one splicing variation were identified in 10 patients with ALS in a cohort with 910 patients with ALS,and three more variants were identified in a public ALS database including 3317 patients with ALS.A decreased number of mitochondria,swollen mitochondria,lower expression of ND1,decreased mitochondrial complex I activities,lower mitochondrial aerobic respiration,and a high level of ROS were observed functionally in patient-originated lymphoblastoid cell lines and TRMT2B interfering HEK293 ***,TRMT2B variations overexpression cells also displayed decreased *** conclusion,a novel JALS-associated gene called TRMT2B was identified,thus broadening the clinical and genetic spectrum of ALS.

关键词： TRMT2B amyotrophic lateral sclerosis mitochondrial complex I tRNA methylation reactive oxygen species

Circular RNA circ_0003609 ameliorates hypertrophied ligamentum flavum by regulating the miR-155/SIRT1 axis

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BIOCELL 2024年第6期48卷 1001-1008页

作者： GUIBIN ZHONG SHURONG WANG YUJIN HE DAMING FENG KE WEI YANQIU YANG JIANWEI CHEN junling CHEN Department of Orthopaedics Baoshan BranchRen Ji HospitalSchool of Medicine Shanghai Jiao Tong UniversityShanghai200444China Department of Orthopaedics Ren Ji HospitalSchool of Medicine Shanghai Jiao Tong UniversityShanghai200127China Department of Operation and Anaesthesia Ren Ji HospitalSchool of Medicine Shanghai Jiao Tong UniversityShanghai200127China Department of Orthopaedics Huai Yuan Chang Jiu HospitalHuaiyuan233499China

Background:Hypertrophy of the ligamentumﬂavum(HLF)is a common contributor to spinal stenosis which results in signiﬁcant neurological *** RNA(circRNA)circ_0003609 has been linked to HLF;however,the exact mechanism by which it causes this disease is ***:Circ_0003609 expressions were regulated in HLF cells by overexpression vectors and RNA *** proliferation andﬁbrosis-related gene expression were checked by the Cell Counting Kit-8(CCK-8)assay and western ***’s prediction of the association between miR-155 and circ_0003609 was supported by a dual-luciferase reporter *** function of the miR-155/sirtuin 1(SIRT1)axis in controlling HLFﬁbrosis was further ***:Overexpression of circ_0003609 suppressed HLF cell propagation andﬁbrosis compared to its *** was found that circ_0003609 served as the sponge for miR-155 and that the circ_0003609/miR-155 axis controlled theﬁbrosis of HLF *** was found that circ_0003609 acted as a sponge for miR-155,regulating theﬁbrosis of HLF ***,miR-155 targets SIRT1,and the miR-155/SIRT1 axis promotes HLF cellﬁ***:Circ_0003609 ameliorates hypertrophied ligamentumﬂavum(LF)by modulating the miR-155/SIRT1 axis,indicating a potential treatment approach for HLF.

关键词： Circular RNA Circ_0003609 Hypertrophy of ligamentum flavum MiR-155 Sirtuin 1 Fibrosis

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浅谈谨慎性原则在会计工作中的应用

太原科技 2005年第4期 60-61页

作者：袁峻岭太原铁路局介休工务段山西介休032000

采用谨慎性原则可以减少企业经营的风险。从会计结构的角度论述了我国新会计制度采用谨慎性原则的必要性,我国会计结构中包含谨慎性原则,以及谨慎性原则在我国现代会计工作中的运用。

关键词：会计信息失真谨慎性原则会计制度

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试论会计信息失真的对策研究

太原科技 2005年第3期 54-55页

作者：袁峻岭太原铁路局介休工务段山西介休032000

会计信息是企业经济信息的重要组成部分,是企业宏观经济管理和经营决策的依据。会计信息质量的好坏对于会计能否实现其目标,发挥其作用关系密切。保证会计的信息真实,对于维护整个社会经济秩序,保证经济的持续发展具有重要意义。

关键词：会计信息信息质量对策

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转动载荷对卫星姿态的影响与控制研究

空间控制技术与应用 2016年第5期42卷 14-18页

作者：王新民褚永辉张俊玲袁军北京控制工程研究所北京100190 空间智能控制技术重点实验室北京100190

研究带有转动载荷和挠性附件的卫星姿态控制问题.基于具有广义坐标形式的牛顿-欧拉方法建立了卫星姿态动力学模型和转动载荷力矩模型,研究载荷产生的动不平衡力矩和静不平衡力矩的机理和特点.分析载荷干扰对卫星姿态的影响特性,给出基... 详细信息

研究带有转动载荷和挠性附件的卫星姿态控制问题.基于具有广义坐标形式的牛顿-欧拉方法建立了卫星姿态动力学模型和转动载荷力矩模型,研究载荷产生的动不平衡力矩和静不平衡力矩的机理和特点.分析载荷干扰对卫星姿态的影响特性,给出基于传递函数进行拉氏变换以估算姿态抖动量的方法.分析卫星姿态控制系统设计干扰补偿控制器的条件,给出了控制器的工程设计方法.验证结果表明该方法有效且能提高卫星姿态精度.

关键词：静不平衡动不平衡转动载荷干扰补偿

WDM光网中的一种邻域加权累积的波长分配策略

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电讯技术 2019年第2期59卷 151-156页

作者：袁俊岭张迪张启坤李旭红郑州轻工业学院计算机与通信工程学院郑州450002 中原工学院理学院郑州450007

针对光核心传送网中单纤场景下的路由选择与波长分配(Routing and Wavelength Assign-ment,RWA)问题,提出了一种邻域加权累积的波长分配策略。在一条路径上为一个连接请求选择波长时,将网络的所有链路归入当前路径的不同邻域中,然后根... 详细信息

针对光核心传送网中单纤场景下的路由选择与波长分配(Routing and Wavelength Assign-ment,RWA)问题,提出了一种邻域加权累积的波长分配策略。在一条路径上为一个连接请求选择波长时,将网络的所有链路归入当前路径的不同邻域中,然后根据与路径之间的距离为不同邻域赋予不同的权重,进而对每个波长在全网中被占用的个数进行加权累积,最后选择累积值最大的可用波长建立连接。仿真结果表明,相对于现有的阻塞率最低的最大使用(Most-Used)波长分配策略,所提策略具有更低的阻塞率。

关键词：光网络波长路由路由与波长分配(RWA) 邻域加权累积(WNA)

正常小鼠血清通过抑制focal adhesion信号通路减轻小鼠放射性肺炎

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南方医科大学学报 2024年第5期44卷 801-809页

作者：苑通郭玉莹张俊伶樊赛军中国医学科学院//北京协和医学院放射医学研究所天津市放射医学与分子核医学重点实验室天津300192

目的探讨正常小鼠血清(NMS)对放射性肺炎的治疗作用及可能机制。方法建立胸腔照射诱导的放射性肺炎模型,将小鼠分为对照组、静脉注射血清组、照射组和照射后静脉注射血清组。注射血清组小鼠在照射后立即静脉注射正常小鼠血清100μL,对... 详细信息

目的探讨正常小鼠血清(NMS)对放射性肺炎的治疗作用及可能机制。方法建立胸腔照射诱导的放射性肺炎模型,将小鼠分为对照组、静脉注射血清组、照射组和照射后静脉注射血清组。注射血清组小鼠在照射后立即静脉注射正常小鼠血清100μL,对照组小鼠注射100μL生理盐水,隔天注射1次,共注射8次。照射后15 d取材,HE染色检测肺组织形态学变化,ELISA检测小鼠肺组织和血清中炎症因子肿瘤坏死因子-α(TNF-α)、转化生长因子-β(TGF-β)、白细胞介素-1α(IL-1α)、白细胞介素-6(IL-6)水平;流式细胞术检测肺组织内淋巴细胞比例变化。外泌体miRNA高通量测序探索处理后小鼠的信号通路变化,qRT-PCR检测免疫相关基因的表达水平,使用Western blotting检测黏着斑通路talin-1、tensin 2、FAK、vinculin、α-actinin和paxillin蛋白的表达。结果与照射组相比,照射后注射血清组小鼠肺脏器系数、血清及肺组织上清液中炎症因子TNF-α、TGF-β、IL-1α、IL-6水平显著降低(P<0.05),CD45^(+)、CD4^(+)、T_(reg)淋巴细胞在小鼠肺组织中的浸润程度显著下降(P<0.05);肺中Egfr和Pik3cd的mRNA和蛋白表达水平显著下调,talin-1、tensin 2、FAK、vinculin、α-actinin和paxillin蛋白的表达水平也显著降低(P<0.05)。结论正常小鼠血清通过抑制focal adhesion信号通路关键蛋白的表达减轻电离辐射诱发的小鼠放射性肺炎。

关键词：正常小鼠血清放射性肺炎外泌体粘着斑途径

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