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中国科学院新疆理化技术研究所专利：基于transformer的场景图像文字修改方法、装置、电子设备及存储介质
中国科学院新疆理化技术研究所 专利 transformer 场景图像 文字修改 电子设备 存储介质
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2023/12/5
本发明公开了一种基于transformer的场景图像文字修改方法、装置、设备以及存储介质，利用基于深度卷积神经网络的编码器和解码器，对原始风格图像进行前景风格特征提取，将其文字字体，字体颜色，文字形状等前景风格迁移到目标文字上；并利用相同的编码器和解码器结构，对原始风格文字图像完成词级别的场景文字擦除任务；利用文字风格融合模块将风格文字图像和擦除文字的原始背景图像进行深度融合，从而得到最终修改之后...
基于重组性高斯自注意力的视觉Transformer
Transformer 局部自注意力 混合高斯权重重组 图像分类 目标检测
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2024/1/16
在目前视觉Transformer的局部自注意力中,现有的策略无法建立所有窗口之间的信息流动,导致上下文语境建模能力不足.针对这个问题,基于混合高斯权重重组(Gaussian weight recombination,GWR)的策略,提出一种新的局部自注意力机制SGW-MSA(Shuffled and Gaussian window-multi-head self-attention),它融合了3种...
Optical Impedance Transformer for Transparent Conducting Electrodes
Optical Impedance Transformer Transparent Conducting Electrodes
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2015/8/6
A fundamental limitation of transparent conducting electrode design is thought to be the trade-off between photonic and electronic performances. The photonic transmission property of a transpare...
For the last 20 years blackouts have been included in the list of major disasters that includes storms, hurricanes, earthquakes and floods. Therefore consumers have become increasingly aware of fires ...
All optical NRZ-to-PRZ format transformer with an injection-locked Fabry-Perot laser diode at unlasing condition
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2011/11/23
By using an optical nonreturn-to-zero (NRZ) format data-stream to injection-lock an synchronously modulated Fabry-Perot laser diode at below threshold condition (without DC driving current), an output...
Effect of transformer on stochastic estimation of voltage sag due to faults in the power system: a PSCAD/EMTDC simulation
Faults voltage sag type of transformer PSCAD/EMTDC uniform fault distribution number of sags
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2010/10/12
Voltage sags in the electric power system are mostly due to faults in the power system. Voltage sag is characterized by its magnitude (the retained voltage), phase-angle jump, unbalance in the sag in ...
Modeling and calculation of electromagnetic field in the surroundings of a large power transformer
Large power transformer electromagnetic field finite element method
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2010/1/11
The presented study compares measured and calculated electromagnetic field quantities in the surroundings of a large power transformer with the aim to avoid the necessity of measuring the field on sub...
广州换流站408329号换流变压器的网侧绕组更换（Replacement of the Line-side Winding for No. 408329 Converter Transformer in Guangzhou Converter Station）
换流变压器 网侧绕组 负载损耗
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2010/8/17
针对利用色谱分析发现的广州站408329号换流变压器的重大缺陷，在检修时采用单一线规绕制两个网侧新线圈并进行整体替换。仿真计算表明，该方案实施后可消除环流损耗，但横向涡流损耗会稍为增加，总体负载损耗基本不变。出厂试验数据显示，各项关键性指标如局放量、温升后的色谱结果、总损耗等均接近甚至优于出厂值，表明修复工作取得了圆满成功。
新型节能配电变压器的经济性分析及选型建议（Economic Analysis and Application Advice onthe New Types of Energy-Saving Distribution Transformer ）
配电变压器 节能 应用研究
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2010/8/17
S13型、S14型和非晶SBH15型变压器都是非晶合金变压器，是具有节能效果的变压器新产品。文章分析了这些变压器的损耗特性，并采用TOC法比较其技术经济性。从与S11型变压器比较的结果可知，非晶SBH15型的空载损耗最低，S13型变压器的负载损耗最低，因此，在使用这些变压器替换已有的变压器时，要根据变压器的用途和费用加以选型。
斜轴式液压变压器效率特性分析（Research on Efficiency Characteristic of Angle Type Hydraulic Transformer）
液压变压器 变压比 效率特性
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2009/12/28
建立了斜轴式液压变压器的排量模型、流量模型、转矩模型和效率模型；在此基础上，绘制了液压变压器的等效率曲线图，揭示了斜轴式液压变压器的效率特性。理论分析与试验结果表明：斜轴式液压变压器在正常工作情况下理论总效率可达到70%左右，而且高效区的范围较宽；液压变压器的总效率随着负载口实际流量或缸体转速的增加有先增大后减小的变化趋势，随着负载口压力或配流盘转角的增加也呈先增大后减小的变化趋势。
MONITORING AND DIAGNOSTICS OF POWER TRANSFORMER INSULATION
transformer insulation monitoring
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2009/10/13
Liberalization of the energy market drives utilities to a more cost-effective power system. Power transformers are the most complex, important and critical components of the transition and distributio...
PCA based protection algorithm for transformer internal faults
Protection internal faults transformers
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2009/7/28
In this paper a new protection scheme is introduced to detect and identify transformer winding faults.
The new approach is based on artificial neural networks (ANNs) using radial basis functions (RBF...
A Sensitive ANN Based Differential Relay for Transformer Protection with Security against CT Saturation and Tap Changer Operation
Differential protection power transformer current transformer saturation
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2009/7/28
This paper presents an artificial neural network (ANN) based scheme for fault identification in power transformer protection. The proposed scheme is featured by the application of ANN to identifying s...
Transformer Protection Using the Wavelet Transform
Differential Protection Power Transformer Discrete Wavelet Transform (DWT)
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2009/7/28
This paper introduces a novel approach for power transformer protection algorithm. Power system signals such as current and voltage have traditionally been analysed by the Fast Fourier Transform. This...
A Wide-Band Active Current Transformer and Shunt。