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检索条件"机构=Tianjin Key Lab for Advanced Signal and Image Processing"
249 条 记 录,以下是71-80 订阅
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Void-layer detection and depth determination in runways based on GPR
Void-layer detection and depth determination in runways base...
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6th International Conference on Radar, RADAR 2011
作者: He, Weikun Wu, Renbiao Liu, Jiaxue Electronic Information Engineering Institude Tianjin University China Tianjin Key Lab for Advanced Signal Processing Civil Aviation University of China China
Void-layer detection and thickness determination in runways are studied in this paper. Void-layer is thin layer whose thickness is very small (usually less than 1cm). Firstly, the void-layer can be detected based on i... 详细信息
来源: 评论
Reducing illumination based on nonlinear gamma correction
Reducing illumination based on nonlinear gamma correction
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14th IEEE International Conference on image processing, ICIP 2007
作者: Yihua, Shi Jinfeng, Yang Renbiao, Wu Tianjin Key Lab. for Advanced Signal Processing Civil Aviation University of China P.O. Box 9 Tianjin China
Illumination always affects image quality seriously in practice. To weaken illumination effect on image quality, this paper proposes an adaptive Gamma correction method. First, a mapping between pixel and Gamma values... 详细信息
来源: 评论
Void-layer thickness determination using spectrum optimization inversion method
Void-layer thickness determination using spectrum optimizati...
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2011 3rd International Asia-Pacific Conference on Synthetic Aperture Radar, APSAR 2011
作者: Weikun, He Renbiao, Wu Jiaxue, Liu Electronic Information Engineering Institute Tianjin University Tianjin China Tianjin Key Lab. for Advanced Signal Processing Civil Aviation University of China Tianjin China
Void characterization under pavements is an important aspect of airfield pavement evaluation and maintenance. This paper studies the thickness estimation of void-layer in runways based on the spectrum optimization inv... 详细信息
来源: 评论
Efficient finger vein localization and recognition
Efficient finger vein localization and recognition
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2010 20th International Conference on Pattern Recognition, ICPR 2010
作者: Yang, Jinfeng Li, Xu Tianjin Key Lab. for Advanced Signal Processing Civil Aviation University of China P.O. Box 9 Tianjin China
In order to achieve accurate recognition of human finger vein (FV), this paper addresses the problems of finger vein localization and vein feature extraction. An inherent physical property of human fingers is used to ... 详细信息
来源: 评论
Fast contour construction for skin regions
Fast contour construction for skin regions
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8th International Conference on signal processing, ICSP 2006
作者: Yang, Jinfeng Wu, Renbiao Li, Yanjun Ruihui, Zhu Tianjin Key Lab. for Advanced Signal Processing Civil Aviation University of China P.O. Box 9 Tianjin China
Contour information always contributes much for object analysis in image processing. In this paper, a new method of constructing contours of skin regions is proposed. To obtain skin regions readily, a region splitting... 详细信息
来源: 评论
Crashed Airplane Detection Based on Feature Fusion in POLSAR image
Crashed Airplane Detection Based on Feature Fusion in POLSAR...
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2012 IEEE 11th International Conference on signal processing(ICSP 2012)
作者: Ping Han Xinshuai Zhang Peng Ge Tianjin Key Lab for Advanced Signal Processing Civil Aviation University of China China Airport Construction Group Corporation of CAAC
A new crashed airplane detection algorithm based on feature fusion is proposed in this paper. Considering the dihedral characteristic of the airplane's tail and the strong scattering intensity of airplane's bo... 详细信息
来源: 评论
NsRCM Correction in Fast Factorized Back Projection Algorithm for UAV SAR Motion Compensation  36
NsRCM Correction in Fast Factorized Back Projection Algorith...
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第36届中国控制会议
作者: Song Zhou Lei Yang Lifan Zhao Guoan Bi School of Electrical and Electronic Engineering(EEE) Nanyang Technological University(NTU) Tianjin Key Lab for Advanced Signal Processing Civil Aviation University of China
Because of the constraints of lowing flying altitude and small platform size,the motion errors of unmanned aerial vehicle(UAV) synthetic aperture radar(SAR) introduce both phase error and nonsystematic range cell ... 详细信息
来源: 评论
Finger-vein image restoration considering skin layer structure
Finger-vein image restoration considering skin layer structu...
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1st International Conference on Hand-basedBiometrics, ICHB 2011
作者: Yang, Jinfeng Wang, Junjie Tianjin Key Lab. for Advanced Signal Processing Civil Aviation University of China P.O. Box 9 Tianjin 300300 China
Recently, finger-vein recognition has been studied extensively for personal identification. Since veins exist inside the finger, the finger-vein images are often not in high quality due to light scattering and absorpt... 详细信息
来源: 评论
PolSAR image Speckle Reduction Based on Pixels Classification
PolSAR Image Speckle Reduction Based on Pixels Classificatio...
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2012 IEEE 11th International Conference on signal processing(ICSP 2012)
作者: Ping Han Xiaohong Yu Fei Dong Tianjin Key Lab for Advanced Signal Processing Civil Aviation University of China Radar Research Laboratory Department of Electronic Engineering Beijing Institute of Technology
An effective algorithm for PolSAR image speckle reduction is developed in this paper. First, pixels in the image are classified through three steps:i) HH/α plane is used for image initial classification based on the ... 详细信息
来源: 评论
Finger-vein image enhancement based on orientation field
Finger-vein image enhancement based on orientation field
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1st International Conference on Hand-basedBiometrics, ICHB 2011
作者: Yang, Jinfeng Wang, Wanyin Tianjin Key Lab. for Advanced Signal Processing Civil Aviation University of China P.O. Box 9 Tianjin 300300 China
Finger-vein image enhancement is of great importance for finger-vein recognition since the quality of the finger-vein images always is very poor in practice. In this paper, a new method based on orientation field is p... 详细信息
来源: 评论