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检索条件"机构=InstituteofImageProcessingandPatternRecognition"
12 条 记 录,以下是1-10 订阅
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Watermarking for the Printed Images
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电子学报(英文版) 2004年 第3期13卷 544-547页
作者: LIGang YANGJie ZHUYitan InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030China
This paper describes a new watermarking technique for printed images, using the texture synthesis method. In this aspect, a few techniques have been proposed, but those techniques are all based on FMS (Frequency modul... 详细信息
来源: 评论
Image Enhancement Based on Brushlet Transform
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电子学报(英文版) 2005年 第1期14卷 106-110页
作者: HUXinwei YANGXin InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030China
In this paper, the method of image enhancement based on Brushlet transform is discussed. One favorable characteristic of brushlet is the good localization in both time and frequency domain so it allows treatment for a... 详细信息
来源: 评论
Research on Wavelet-Based Algorithm for Image Contrast Enhancement
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Wuhan University Journal of Natural Sciences 2004年 第1期9卷 46-50页
作者: WuYing-qian DuPei-jun ShiPeng-fei InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030China
A novel wavelet-based algorithm for image enhancement is proposed in the paper. On the basis of multiscale analysis, the proposed algorithm solves efficiently the problem of noise over-enhancement, which commonly occu... 详细信息
来源: 评论
A new algorithm of brain volume contours segmentation
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Journal of Zhejiang University Science 2003年 第3期4卷 294-299页
作者: 吴建明 施鹏飞 InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030China
This paper explores brain CT slices segmentation technique and some related problems, including contours segmentation algorithms, edge detector, algorithm evaluation and experimental results. This article describes a ... 详细信息
来源: 评论
Efficient face recognition method based on DCT and LDA
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Journal of Systems Engineering and Electronics 2004年 第2期15卷 211-216页
作者: ZhangYankun LiuChongqing InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030P.R.China
It has been demonstrated that the linear discriminant analysis (LDA) is an effective approach in face recognition tasks. However, due to the high dimensionality of an image space, many LDA based approaches first use t... 详细信息
来源: 评论
Blind separation of sources in nonlinear convolved mixture based on a novel network
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Journal of Systems Engineering and Electronics 2004年 第4期15卷 497-501页
作者: HuYing YangJie Shenli InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030P.R.China
Blind separation of independent sources from their nonlinear convoluted mixtures is a more realistic problem than from linear ones. A solution to this problem based on the Entropy Maximization principle is presented. ... 详细信息
来源: 评论
Image reconstruction for brain CT slices
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Journal of Systems Engineering and Electronics 2004年 第3期15卷 382-386页
作者: 吴建民 施鹏飞 InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030P.R.China
Different modalities in biomedical images, like CT, MRI and PET scanners, provide detailed cross-sectional views of human anatomy. This paper introduces three-dimensional brain reconstruction based on CT slices. It co... 详细信息
来源: 评论
A Robust Algorithm for Real-time Endpoint Detection in the Noisy Mobile Environments
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电子学报(英文版) 2003年 第4期12卷 579-582页
作者: WUBian RENXiaolin LIUChongqing ZHANGYaxin InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030China MotorolaLabsChinaResearchCenter Shanghai200041China
In speech recognition, the endpoint detection must be robust to noise. In low SNR situations, the conventional energy-based endpoint detection algorithms often fail and the performance of speech recognizer usually deg... 详细信息
来源: 评论
Phase transitions in a new car-following traffic flow model
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Chinese Physics B 2005年 第3期14卷 576-582页
作者: 李莉 施鹏飞 InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030China
In this paper, we investigate the performance of the well-known optimal velocity car-following model (the OVM) with numerical simulation in describing the acceleration process that is induced by the motion of a leadin... 详细信息
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Model update mechanism for mean-shift tracking
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Journal of Systems Engineering and Electronics 2005年 第1期16卷 52-57页
作者: PengNingsong YangJie LiuErqi InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030P.R.China//InstituteofElectronicsandInformationHenanUniversityofScienceandTechnologyLuoyang471039P.R.China InstituteofImageProcessingandPatternRecognition ShanghaiJiaotongUniversityShanghai200030P.R.China TheSecondAcademyofChinaAerospaceScienceandIndustryCorporation Beijing100854P.R.China
In order to solve the model update problem in mean-shift based tracker, a novel mechanism is proposed. Kalman filter is employed to update object model by filtering object kernel-histogram using previous model and cur... 详细信息
来源: 评论