Results 31 to 40 of about 18,329 (166)
YOLO-MMCE algorithm for visual detection of engineering vehicles in high-consequence area [PDF]
Objective Engineering vehicles operating on large-scale construction sites in high-consequence areas pose severe safety hazards to buried pipelines. This paper addresses the shortcomings of current common techniques for detecting overlapped targets of ...
Degang WANG +3 more
core +1 more source
CLB-Defense: based on contrastive learning defense for graph neural network against backdoor attack [PDF]
, 2023 For the problem that the existing backdoor attack defense methods are difficult to deal with irregular and unstructured discrete graph data to alleviate the threat of backdoor attacks, a backdoor attack defense method for GNN based on contrastive ...
Haiyang XIONG +3 more
core +1 more source
Conservation Biology, EarlyView.Abstract Recognition and engagement of Indigenous Peoples and local communities (IP&LCs) and other traditional knowledge (TK) holders in formal biodiversity governance remain limited, despite their significant contribution to the conservation and sustainable use of biodiversity through their knowledge, innovations, practices, and land stewardship.
Kinga Öllerer +8 more
wiley +1 more source
Research on Processing and Application of Imbalanced Textual Data on Social Platforms [PDF]
With the informatization of the society, it’s of great practical value to extract useful information from massive textual data available online using tools of NLP (natural language processing).
JIANG Yuqi, HOU Zhiwen, WANG Yifan, ZHAI Hanming, BU Fanliang
core +1 more source
Conservation Biology, EarlyView.Abstract Human development is a driver of global change and a major threat to biodiversity. Protected areas maintain and support biodiversity, but outside stressors, such as climate change and land use change, can negatively influence natural resources within protected areas.
Leah J. Rudge +2 more
wiley +1 more source
高压组合电器中SF6分解产物SO2F2红外吸收特性及其检测传感装置研究
Gaoya dianqi, 2021 特高压硫酰氟（SO2F2）气体作为气体绝缘全封闭组合电器（GIS）气室中六氟化硫（SF6）分解产物的特征组分,对其进行检测分析可实现GIS设备的早期潜伏性故障识别。搭建光程池温度、压强可调的傅里叶变换红外吸收光谱仪（FTIR）系统,利用FTIR实验及HITRAN数据库得到的吸收谱线参数,对SO2F2气体的红外吸收谱线及其交叉干扰特性进行分析,选取中心波长2 763 cm-1位置作为SO2F2气体的特征吸收峰,并对SO2F2在该波段位置附近受温度和压强影响的红外吸收特性进行研究。结果表明 ...
张施令 +5 more
doaj
Athlete Detection Algorithm Based on Multi-scale Linear Global Attention [PDF]
The rapid movement and frequent occlusion of athletes during a competition make it difficult to detect athletes in a video, along with causing multiple detections, a decline in the detection accuracy, and other problems.
Zhiwei LIN, Zuyuan YANG, Siqiu WANG, Chao YANG
core +1 more source
Harnessing social media data to track species range shifts
Conservation Biology, EarlyView.Abstract Biodiversity monitoring programs and citizen science data remain heavily biased toward the Global North. Especially in megadiverse countries with limited biodiversity records, incorporating social media data can help address existing data gaps.
Shawan Chowdhury +15 more
wiley +1 more source
Shuitu Baochi Xuebao, 2022 在全球气候变暖的背景下, 干旱灾害日趋频发。为全面精细研究华中地区降水的时空变化, 结合水汽(PWV)、增强型植被指数(EVI)等数据, 基于地理加权回归模型, 结合克里金插值分别对2010—2019年的GPM IMERG和TRMM 3B43数据进行空间降尺度, 并利用区域内53个气象站数据进行精度评价。对优选的降尺度数据采用变异系数法、Theil-Sen Median趋势分析耦合Mann-Kendall显著性检验方法及Hurst指数法, 分析了华中地区的降水时空变化特征及其可持续性特征 ...
张寒博 +5 more
doaj
Design and Implementation of Comprehensive Operation Support System for Radio and Television Company [PDF]
, 2016 随着经济社会的进步和计算机网络技术的发展，计算机日益成为人类处理各项事务中不可或缺的工具，对人们的生活、学习、工作等各方各面产生了日益深刻的影响。在此背景下，广播电影电视网络传播有限公司为人们提供的服务越发向多样化发展，在传统的模拟电视业务之外，以满足人们日益增长的物质文化需求为动力而开拓了一系列诸如数字电视等增值业务，拓展了公司的业务范围。 但是，目前的公司运营支撑系统也存在普遍不足，主要体现在业务互相分离和业务办理周期长两个方面。本文所提出的广电运营支撑系统 ...
韩雨佳
core