This paper studies the long time behavior of the following Cauchy problem The authors prove the existence of global attractor by showing the corresponding operator semigroup is asymptotically compact.
Interdiffusion in the diffusion couples of metallic multilayers is investigated for the variation of mobility and different initial phase separation(IPS)states.A phase field simulation shows that the diffusion flux an...Interdiffusion in the diffusion couples of metallic multilayers is investigated for the variation of mobility and different initial phase separation(IPS)states.A phase field simulation shows that the diffusion flux and interface movement increase for higher atomic mobility.The shorter IPS time influences the diffusion flux of two-phase diffusion couples,and has almost no influence on the interface movement.展开更多
为快速生成准确描述图片内容的语句,提出语义分割和卷积神经网络(convolutional neural network,CNN)相结合的图像描述方法。将图像分类模型和语义分割模型结合为编码器,增强对图像语义信息的利用,采用CNN代替长短时记忆网络(long short...为快速生成准确描述图片内容的语句,提出语义分割和卷积神经网络(convolutional neural network,CNN)相结合的图像描述方法。将图像分类模型和语义分割模型结合为编码器,增强对图像语义信息的利用,采用CNN代替长短时记忆网络(long short term memory,LSTM)作为解码器生成完整描述性语句。通过在MSCOCO数据集上与5种主流算法的对比实验可知,以CNN作为解码器能够大幅提高解码速度,语义信息的增强能够有效提高实验精度,验证了该方法的有效性和可行性。展开更多
基金Supported by the Natural Science Foundation of China(10001013)Supported by the NSF Zhejiang Province(M103043)Supported by NSF of Wenzhou Normal College NSF(2003Y16)
文摘This paper studies the long time behavior of the following Cauchy problem The authors prove the existence of global attractor by showing the corresponding operator semigroup is asymptotically compact.
基金Supported by the National Natural Science Foundation of China under Grant No.51001062the National Basic Research Program of China under Grant No.2011CB605504the NUST Research Fund under Grant Nos.2010ZDJH10 and 2011YBXM160.
文摘Interdiffusion in the diffusion couples of metallic multilayers is investigated for the variation of mobility and different initial phase separation(IPS)states.A phase field simulation shows that the diffusion flux and interface movement increase for higher atomic mobility.The shorter IPS time influences the diffusion flux of two-phase diffusion couples,and has almost no influence on the interface movement.
文摘为快速生成准确描述图片内容的语句,提出语义分割和卷积神经网络(convolutional neural network,CNN)相结合的图像描述方法。将图像分类模型和语义分割模型结合为编码器,增强对图像语义信息的利用,采用CNN代替长短时记忆网络(long short term memory,LSTM)作为解码器生成完整描述性语句。通过在MSCOCO数据集上与5种主流算法的对比实验可知,以CNN作为解码器能够大幅提高解码速度,语义信息的增强能够有效提高实验精度,验证了该方法的有效性和可行性。
