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Real-time tracking of fast-moving object in occlusion scene

Journal of Systems Engineering and Electronics 2024年第3期35卷 741-752页

作者： LI Yuran LI Yichen zhang monan YU Wenbin GUAN Xinping Department of Automation Shanghai Jiao Tong UniversityShanghai 200240China Key Laboratory of Systems Control and Information Processing Ministry of Education of ChinaShanghai 200240China

Tracking the fast-moving object in occlusion situations is an important research topic in computer vision. Despite numerous notable contributions have been made in this field,few of them simultaneously incorporate both object's extrinsic features and intrinsic motion patterns into their methodologies,thereby restricting the potential for tracking accuracy improvement. In this paper, on the basis of efficient convolution operators(ECO) model, a speed-accuracy-balanced model is put forward. This model uses the simple correlation filter to track the object in real-time, and adopts the sophisticated deep-learning neural network to extract high-level features to train a more complex filter correcting the tracking mistakes, when the tracking state is judged to be poor. Furthermore, in the context of scenarios involving regular fast-moving, a motion model based on Kalman filter is designed which greatly promotes the tracking stability, because this motion model could predict the object's future location from its previous movement pattern. Additionally,instead of periodically updating our tracking model and training samples, a constrained condition for updating is proposed,which effectively mitigates contamination to the tracker from the background and undesirable samples avoiding model degradation when occlusion happens. From comprehensive experiments, our tracking model obtains better performance than ECO on object tracking benchmark 2015(OTB100), and improves the area under curve(AUC) by about 8% and 32% compared with ECO, in the scenarios of fast-moving and occlusion on our own collected dataset.

关键词： speed-accuracy balanced motion modeling constrained updater

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打造数字国际供应链平台提升我国跨境贸易全球竞争力

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新经济导刊 2024年第9期 17-22页

作者：张茉楠中国国际经济交流中心

近年来,逆全球化浪潮、新冠疫情、地缘政治冲突等因素不断对全球供应链重构产生重大影响,我国国际供应链稳定与安全面临一定挑战。面对全球供应链格局加速演变的时代背景,我国应着力打造数字国际供应链平台,加快数字国际供应链海内外战... 详细信息

近年来,逆全球化浪潮、新冠疫情、地缘政治冲突等因素不断对全球供应链重构产生重大影响,我国国际供应链稳定与安全面临一定挑战。面对全球供应链格局加速演变的时代背景,我国应着力打造数字国际供应链平台,加快数字国际供应链海内外战略布局,加紧制定和完善数字国际供应链政策体系,推动形成全球数字供应链与经贸规则新框架。

关键词：跨境电子商务数字国际供应链数字平台

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构建数字平台“走出去”的安全保障体系

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开放导报 2024年第2期 80-89页

作者：张茉楠何欣如中国国际经济交流中心北京100050

随着国际地缘政治冲突、中美博弈加剧以及全球数字竞争日趋白热化,数字平台作为数字技术和数字规则治理的重要交集,成为大国博弈的新焦点。在我国数字平台企业规模迅速崛起并不断壮大之际,美西方及其部分新兴经济体以“泛国家安全”为旗... 详细信息

随着国际地缘政治冲突、中美博弈加剧以及全球数字竞争日趋白热化,数字平台作为数字技术和数字规则治理的重要交集,成为大国博弈的新焦点。在我国数字平台企业规模迅速崛起并不断壮大之际,美西方及其部分新兴经济体以“泛国家安全”为旗号,对数字平台采取“强监管”的施策方针,制造壁垒以限制我数字企业国际化发展,遏制围堵打压全面升级,使我数字平台企业“走出去”成本大幅抬升,面临越来越大的阻力,与此同时,我国数字平台企业发展存在“大而不强”、国际化程度严重滞后、业务本地化能力及合规体系建设不足等瓶颈。要以加快推动数字制度型开放与数字营商环境改革、深度参与数字领域国际规则制定与规则融合对接、探索构建中国数字领域的“长臂管辖”制度与司法体系、积极构建支持国际海外服务体系、鼓励数字平台构建海外合规体系等为着力点,做好战略应对,保障我国数字平台企业安全“走出去”及高质量发展。

关键词：地缘竞争数字平台 “走出去” 数字贸易壁垒

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Risk Analysis on the Developed Economies' Sovereign Debt Crisis

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China International Studies 2010年第5期30卷 150-162页

作者： zhang monan Associate Research Fellow at Department of World Economy Studies State Information Center

As an impact of International Financial Crisis,the Greek sovereign debt crisis suddenly turned *** European countries'debt crisis got further *** mounting risk of world sovereign crisis could be the principal risk of world economy and financial market after the international financial crisis and would threaten the global economy *** world economy,unchained from the international financial crisis,might enter the next phase of sovereign debt crisis.

关键词：世界经济风险分析债务主权金融危机欧洲国家金融市场全球经济

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Getting Prepared for the Asia Region Funds Passport

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Beijing Review 2014年第36期57卷 40-41页

作者： zhang monan the State Information Center

Financial cooperation is essential to the integration of Asian economies. To reinforce such cooperation, the key is to coordinate existing financial resources in Asia. Therefore, expanding the scope of the Asia Region Funds Passport （ARFP） is an important step [Note： The Asia Region Funds Passport is an initiative put forth at the APEC Finance Ministers＇ meeting held in September 2013 in Bali, Indonesia].

关键词：亚洲地区基金护照合作组织亚洲经济印度尼西亚

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Avoiding Shortsighted Policies

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Beijing Review 2012年第22期55卷 36-37页

作者： zhang monan Associate researcher with the State Information Center published in the Economic Information Daily

Amid a complicated domestic and international economic fl＇ont, maintaining steady econolnic growth has become key for China＇s macro- control efforts. During a recent inspection tour in central China＇s Hubei Province, Chinese [h-emier Well Jiabao said mole priority should be given to promoting steady growth. In the meantime, concerned authorities, includ- ing the National Development and Reform Commission, Ministry of Finance, Ministry of Commerce and Ministry of Industry and Infonnation Technology,

关键词： Information Technology economic growth Hubei Province central China

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China's Involvement in Global Digital Governance

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Contemporary World 2022年第2期 24-27页

作者： zhang monan the Institute of U.S.-Euro China Center for International Economic Exchanges

Over a century ago, western countries achieved rapid development boosted by the industrial revolution and opened the door to world trade with “solid ships and strong cannons”. The “solid ships and strong cannons” ... 详细信息

关键词： competition landscape boost

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Fault Diagnosis of Satellite Power System Using Variable Precision Fuzzy Neighborhood Rough Set

Fault Diagnosis of Satellite Power System Using Variable Pre...

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第36届中国控制会议

作者： Mingliang Suo monan zhang Ding Zhou Baolong Zhu Shunli Li Harbin Institute of Technology

ISBN: (纸本)9781538629185

Data-driven fault diagnosis,known to be simple and convenient,is more suitable for diagnosing the complicated systems of ***,there are two main bottlenecks of data-driven fault diagnosis methods:rule acquisition and decision *** the rough set theory can solve above issues well,the obtained rules seem to be more crisp and the diagnosis decisions are not enough ***,we propose a diagnosis approach based on variable precision fuzzy neighborhood rough set（VPFNRS） model,which could extract fuzzy rules from hybrid data with noises and make fuzzy diagnosis results based on the extracted fuzzy rule model and the weights of condition ***,we present a VPFNRS model based on neighborhood rough set,and then the theories of fuzzy rule acquisition and decision making are ***,the successful applications in satellite power system verify the feasibility and correctness of the proposed approach.

关键词： Fault Diagnosis Neighborhood Rough Set Fuzzy Theory Rule Acquisition Data-driven Satellite

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A Route for Asia-Europe Financial Cooperation

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Beijing Review 2016年第17期59卷 38-39页

作者： zhang monan China Center for International Economic Exchanges

As hosts to the world＇s major econo- mies and to the origins of Eastern and Western civilizations, Asia andEurope are the main forces in maintaining world peace, boosting joint development and promoting human progress. Promoting increased financial cooperation between Asia and Europe is pivotal to secure a robust economic recovery and create new vitality for economic growth in both regions.

关键词：合作路线世界和平经济复苏人类进步经济增长文明欧洲

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Storm After Sunshine

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Beijing Review 2019年第35期62卷 22-23页

作者： zhang monan China Center for International Economic Exchanges

The value chain,along which there are already escalating trade frictions and conflicts,will be the center of global competition in the *** Asia-Pacific value chain,particularly the East Asian one,is critical for global trade,being a major driver of global ***,the new trade frictions between China and the *** well as between Japan and the Republic of Korea(ROK)are causing structural damage to the chain,which may not only lead to its contraction and stagnation in trade growth,but also have a long-term and far-reaching impact on regional economic integration,including trade agreements such as the Regional Comprehensive Economic Partnership(RCEP)and the China-Japan-ROK Free Trade Agreement(FTA).

关键词： trade frictions and conflicts value chain regional economic integration

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