中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
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浏览/检索结果: 共7条,第1-7条 帮助

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Not All Samples are Trustworthy: Towards Deep Robust SVP Prediction 期刊论文  OAI收割
IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, 2022, 卷号: 44, 期号: 6, 页码: 3154-3169
作者:  
Xu, Qianqian;  Yang, Zhiyong;  Jiang, Yangbangyan;  Cao, Xiaochun;  Yao, Yuan
  |  收藏  |  浏览/下载:36/0  |  提交时间:2022/12/07
Ergodicity for a class of semilinear stochastic partial differential equations 期刊论文  OAI收割
MATHEMATICAL METHODS IN THE APPLIED SCIENCES, 2019, 页码: 20
作者:  
Dong, Zhao;  Zhang, Rangrang
  |  收藏  |  浏览/下载:20/0  |  提交时间:2020/05/24
Property Investigation on the Additive White Gaussian Noise After Sub-Nyquist Sampling 期刊论文  OAI收割
IEEE ACCESS, 2019, 卷号: 7, 页码: 122820-122826
作者:  
Gong TR(宫铁瑞);  Liu ZF(刘志峰);  Xie C(谢闯)
  |  收藏  |  浏览/下载:41/0  |  提交时间:2019/10/10
Cr image enhancement based on human visual characteristics (EI CONFERENCE) 会议论文  OAI收割
2010 International Conference on Computer Design and Applications, ICCDA 2010, June 25, 2010 - June 27, 2010, Qinhuangdao, Hebei, China
Zhang M.-H.; Zhang Y.-Y.
收藏  |  浏览/下载:28/0  |  提交时间:2013/03/25
The characteristic of digital CR medicine radiation image has wide dynamic range  abundant details and bad contrast  so it is necessary to enhance CR image to the need of doctor diagnosis. But the general enhancement algorithms don't consider human visual characteristics  so it puts forward CR medicine image adaptive enhancement algorithm combining the human visual property  which is more sensitive to smooth area noise compared with detail area noise  and makes image edge detail enhancement great in detail area  and detail enhancement little in smooth area  in which factor K is based on space change of image domain  accordingly gaining non-linear enhancement edge details of CR image. Experiment results demonstrate that the algorithm enhances CR image detail and CR image enhanced has good visual effect  so the method is fit for edge detail enhancement of CR medicine radiation image. 2010 IEEE.  
Analysis of geophone properties effects for land seismic data 期刊论文  OAI收割
APPLIED GEOPHYSICS, 2009, 卷号: 6, 期号: 1, 页码: 93-101
Li GL (李桂林); Chen; G (Chen Gao); Zhong; JY (Zhong Junyi)
收藏  |  浏览/下载:21/0  |  提交时间:2010/04/21
Chord-based image reconstruction in cone-beam CT with a curved detector 期刊论文  OAI收割
MEDICAL PHYSICS, 2006, 卷号: 33, 期号: 10, 页码: 3743-3757
作者:  
Zuo, Nianming;  Xia, Dan;  Zou, Yu;  Jiang, Tianzi;  Pan, Xiao-Chuan
收藏  |  浏览/下载:21/0  |  提交时间:2015/11/08
A novel starting-point-independent wavelet coefficient shape matching (EI CONFERENCE) 会议论文  OAI收割
ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China
Hu S.; Zhu M.; Wu C.; Song H.-J.
收藏  |  浏览/下载:17/0  |  提交时间:2013/03/25
In many computer vision tasks  in order to improve the accuracy and robustness to the noise  wavelet analysis is preferred for the natural multi-resolution property. However  the wavelet representation suffers from the dependency of the starting point of the sampled contour. For overcoming the problem that the wavelet representation depends on the starting point of the sampled contour  the Zernike moments are introduced  and a novel Starting-Point-lndependent wavelet coefficient shape matching algorithm is presented. The proposed matching algorithm firstly gains the object contours  and give the translation and scale invariant object shape representation. The object shape representation is converted to the dyadic wavelet representation by the wavelet transform. And then calculate the Zernike moments of wavelet representation in different scales. With respect to property of rotation invariant of Zernike moments  consider the Zernike moments as the feature vector to calculate the dissimilarity between the object and template image  which overcoming the problem of dependency of starting point. The experimental results have proved the proposed algorithm to be efficient  precise  and robust.