4   Artículos

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en línea
Juan Chen, Zhencai Zhu, Haiying Hu, Lin Qiu, Zhenzhen Zheng and Lei Dong    
Infrared (IR) Image preprocessing is aimed at image denoising and enhancement to help with small target detection. According to the sparse representation theory, the IR original image is low rank, and the coefficient shows a sparse character. The low ran... ver más
Revista: Applied Sciences    Formato: Electrónico

 
en línea
Juan Chen, Zhencai Zhu, Haiying Hu, Lin Qiu, Zhenzhen Zheng and Lei Dong    
The infrared detector is adopted to track and recognize targets, including missiles and airplanes. These targets are usually far from the detector. The pixel size is less than 9×9" role="presentation">9×99×9 9 × 9 when the image has 256&#xD... ver más
Revista: Aerospace    Formato: Electrónico

 
en línea
Zhenzhen Zhu, Zhidong Bai, João Paulo Vieito, Wing-Keung Wong     Pág. 5 - 30
We analyze the impact of the most recent global financial crisis (GFC) on the seven most important Latin American stock markets. Our mean-variance analysis shows that the markets are significantly less volatile and, in general, investors prefer to invest... ver más
Revista: Estudios de Economía    Formato: Electrónico

 
en línea
Jingdong Zhang, Liyun Zhu, Fei Li, Chaoyang Liu, Zhenzhen Qiu, Minsi Xiao and Ying Cai    
Honghu Lake, which listed in the ?Ramsar Convention?, is the seventh largest freshwater lake in China and is regarded as one of the biggest freshwater product output areas in China. The toxic element distribution in cultured and wild fish and the corresp... ver más

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