最新刊期
卷 48 ， 期 1 ， 2009
- 摘要：By extracting checkerboard corners with Harris algorithm, a symmetry algorithm was proposed to identify the all inner-corners and eliminate outercorners and false corners of the checkerboard form primal corners muster. The method based on gray gradient was adopted for accurately extracting checkerboard corners. To distinguish the outer loop corners and automatic locate the corners form the corners muster of the checkerboard, a new method based on convex hull was presented, which can loop by loop recognize and sort all the corners. As a result, the image dots can be automatically matched with its corresponding physical dots, thus, parameters of camera were automatically and accurately calibrated. Experiments shows the method has high precision and preferable robust, and is especially adapted for the automatic online camera calibration.关键词：Harris algorithm;convex hull;camera calibration;corner detecting
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- 154
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发布时间：2023-12-11 - 摘要：Key words:finite fields,irreducible,primitive,polynomial time algorithm,spread spectrum communication,sequence cipher关键词：finite fields;irreducible;primitive;polynomial time algorithm;spread spectrum communication;sequence cipher
- 4041
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- 424
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发布时间：2023-12-11 - 摘要：Key words:fuzzy Lyapunov-Krasovskii functional,free-weighting matrices with timedelay,robust H∞linear matrix inequality,delay-dependent关键词：fuzzy Lyapunov-Krasovskii functional;free-weighting matrices with timedelay;robust H∞control;linear matrix inequality;delay-dependent
- 2517
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- 183
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发布时间：2023-12-11 - 关键词：digital watermarking;authentication;Tchebichef moment;discrete orthogonal polynomials
- 2231
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- 148
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发布时间：2023-12-11 - 摘要：Key words:model of BP neural network,liquid level,valve core curve,flow characteristic,intelligent fitting关键词：model of BP neural network;liquid level;valve core curve;flow characteristic;intelligent fitting
- 2342
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- 171
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发布时间：2023-12-11 - 关键词：video authentication;cloud watermark;shot segmentation;feature detection
- 2474
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- 168
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发布时间：2023-12-11 - 关键词：estuarine reservoir;salinity;model;release flux;desalting
- 2055
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- 205
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发布时间：2023-12-11 - 摘要：Key words:Tephrosia vogelii Hook f. seeds,physical properties,chemical analysis,oils and fats,fatty acids,glyceride component,nutrition关键词：Tephrosia vogelii Hook f. seeds;physical properties;chemical analysis;oils and fats;fatty acids;glyceride component;nutrition
- 2885
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- 198
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发布时间：2023-12-11 - 关键词：Ilex pubescens;triterpenoid saponins;NMR assignments
- 2148
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- 153
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发布时间：2023-12-11 - 摘要：Key words:Blumea riparia（Bl)DC.,volatile component,headspace solidphase microextraction,gas chromatographymass spectrometry关键词：Blumea riparia（Bl)DC.;volatile component;headspace solidphase microextraction;gas chromatographymass spectrometry
- 2109
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- 145
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发布时间：2023-12-11 - 关键词：starvation;feeding;surviving;growth;yolk-sac larva
- 2141
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- 131
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- 0
发布时间：2023-12-11 -
- 2254
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- 143
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发布时间：2023-12-11 - 摘要：Key words:hybrid indica rice,sister chromatid cohesion protein,OsRadprokaryotic expressing,expression vector construction关键词：hybrid indica rice;sister chromatid cohesion protein;OsRad21-i;prokaryotic expressing;expression vector construction
- 2545
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- 194
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发布时间：2023-12-11 - 摘要：Key words:soft rot,aiiA gene,vector construction,Agrobacterium tumefacien,Dendrobium transformation关键词：soft rot;aiiA gene;vector construction;Agrobacterium tumefacien;Dendrobium transformation
- 2047
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- 167
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- 0
发布时间：2023-12-11 - 关键词：purine alkaloids;tea polyphenols;catechins;HPLC-DAD-MS/MS;Yinghong 1;Yinghong 9;Qimen
- 1721
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- 146
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- 0
发布时间：2023-12-11 - 关键词：urban river;bio-remediation;algae;ecological structure;indicator species
- 1926
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- 195
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发布时间：2023-12-11 - 摘要：Key words:tourism resource planning,Chinese Ecotourism Opportunity Spectrum (CECOS),Potential Conflict Index (PCI)关键词：tourism resource planning;Chinese Ecotourism Opportunity Spectrum (CECOS);Potential Conflict Index (PCI)
- 2023
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- 156
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- 0
发布时间：2023-12-11 - 摘要：Key words:anaerobic digested sludge,fermentative biohydrogen production residue for food residues,batch anaerobic digestion,inoculation volume,methanogenesis,the specific methane potentia关键词：anaerobic digested sludge;fermentative biohydrogen production residue for food residues;batch anaerobic digestion;inoculation volume;methanogenesis;the specific methane potentia
- 2032
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- 140
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发布时间：2023-12-11 - 关键词：floating bed;nitrogen removal;immobilization;pollutant of river;wastewater treatment
- 1648
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- 185
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- 0
发布时间：2023-12-11 - 关键词：shape memory alloy;damper;long cable;vibration control
- 1512
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- 132
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发布时间：2023-12-11 - 关键词：rail transit;building vibration;vibration evaluation
- 1835
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- 123
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- 0
发布时间：2023-12-11 - 关键词：temporal logics;epistemic logics;model checking
- 2127
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- 131
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发布时间：2023-12-11 - 摘要：Key words:wireless networks,computer supported cooperative work,group awareness,energy consumption,message passing关键词：wireless networks;computer supported cooperative work;group awareness;energy consumption;message passing
- 2280
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- 142
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发布时间：2023-12-11 -
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- 2021
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- 111
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发布时间：2023-12-11 -
- 2763
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- 141
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发布时间：2023-12-11 -
- 2091
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- 123
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发布时间：2023-12-11 - 摘要：Key words:temporal querying,concurrence Lambek calculus,semantic transform,labeled natural deduction system关键词：temporal querying;concurrence Lambek calculus;semantic transform;labeled natural deduction system
- 1552
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- 122
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发布时间：2023-12-11
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