Browsing by Author "Yang Jie"

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Browsing by Author "Yang Jie"

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  • Extended fitting methods of active shape model for the location of facial feature points 
    Yang Jie; Du C; Wu Zj; Zhang Tianhao; Wu Qiang; Chen L; Wang H (Springer, 2006)
    In this study, we propose three extended fitting methods to the standard ASM(activeshape model), Firstly, profiles are extended from 10 to 20; Secondly, profiles of different landmarks are constructed individually; ...
  • Extracting key postures in a human action video sequence 
    Chen Yan; Wu Qiang; He Xiangjian; Du Chunhua; Yang Jie (IEEE, 2008)
    Human key posture extraction from videos will benefit video storage, video retrieval, human action recognition, human behaviour understanding and so on. This paper presents an approach to select key postures from human ...
  • Extracting Key Postures Using Radon Transform 
    Chen Yan; Wu Qiang; He Xiangjian; Du Chunhua; Yang Jie (IEEE, 2008)
    Human key posture extraction will benefit for human action recognition, human action retrieval, human behaviour understanding and so on. This paper proposes an approach to select key postures from a human action video based ...
  • Graph-based text segmentation using a selected channel image 
    Zeng Chao; Jia Wenjing; He Xiangjian; Yang Jie (IEEE Computer Society, 2010)
    This paper proposes a graph-based method for segmentation of a text image using a selected colour-channel image. The text colour information usually presents a twopolarity trend. According to the observation that the ...
  • Higher order prediction for sub-pixel motion estimation 
    Yang Jie; Mudugamuwa Damith; Ahn Chung-Hyun; He Xiangjian (IEEE, 2009)
    NA
  • Image Deblur in Gradient Domain 
    Chen Xiaogang; Yang Jie; Wu Qiang (SPIE Digital Library, 2010)
    This paper proposes a new method for natural-image deblur based on a single blurred image. The natural image prior, a sparse gradient distribution, is enforced using a gradient histogram remapping method in the proposed ...
  • Integrating affinity propagation clustering method with linear discriminant analysis for face recognition 
    Yang Jie; Wu Qiang; Du C; Li Feng (SPIE - International Society for Optical Engineering, 2007)
    The Fisherface method suffers from the problem of using all training face images to recognize a test face image. To tackle this problem, we propose combining a novel clustering method, affinity propagation (AP), ...
  • Local Coordinates Alignment (LCA): A novel manifold learning approach 
    Zhang Tianhao; Li Xuelong; Tao Dacheng; Yang Jie (World Scientific Publ Co Pte Ltd, 2008)
    Manifold learning has been demonstrated as an effective way to represent intrinsic geometrical structure of samples. In this paper, a new manifold learning approach, named Local Coordinates Alignment (LCA), is developed ...
  • Locality preserving projections plus affinity propagation: a fast method for face recognition 
    Yu Shengyang; Zhang Tianhao; Du Chunhua; Wu Qiang; Yang Jie (SPIE-Soc Photoptical Instrumentation Engineers, 2008)
    This letter develops a novel and fast framework called APLPP to tackle the face recognition task by combining locality preserving projections (LPP) with the affinity propagation clustering method. Unlike LPP, which uses ...
  • Locating facial landmarks by support vector machine-based active shape model 
    Du Chunhua; Yang Jie; Wu Qiang; He Xiangjian (Inderscience Enterprises Limited, 2011)
    Active shape model (ASM) plays an important role in face research such as face recognition, pose estimation and gaze estimation. A crucial step of the common ASM is finding a new position for each facial landmark at each ...
  • Motion blur detection based on lowest directional high-frequency energy 
    Chen Xiaogang; Yang Jie; Wu Qiang; Zhao Jiajia (IEEE Computer Society, 2010)
    Motion blur detection and the relevant blurring parameter estimation are important for many computer vision tasks. The contribution of this paper is in two folds. First, we propose a closed-form solution for motion direction ...
  • Multimodal biometrics using geometry preserving projections 
    Zhang Tianhao; Li Xuelong; Tao Dacheng; Yang Jie (Elsevier Sci Ltd, 2008)
    Multimodal biometric system utilizes two or more individual modalities, e.g., face, gait, and fingerprint, to improve the recognition accuracy of conventional unimodal methods. However, existing multimodal biometric methods ...
  • Patch Alignment for Dimensionality Reduction 
    Zhang Tianhao; Tao Dacheng; Li Xuelong; Yang Jie (IEEE Computer Soc, 2009)
    Spectral analysis-based dimensionality reduction algorithms are important and have been popularly applied in data mining and computer vision applications. To date many algorithms have been developed, e. g., principal ...
  • Pedestrian Detection Using Hybrid Statistical Feature 
    Wu Qiang; Du Chunhua; Yang Jie; He Xiangjian; Chen Yan (IEEE, 2008)
    A novel approach for walking people detection is proposed in this paper, which is inspired by the idea of gait energy image (GEI). Unlike most of common human detection methods where usually a trained detector scans a ...
  • Soft subspace clustering with competitive agglomeration 
    Zhu Lin; Cao Longbing; Yang Jie (IEEE, 2011)
    In this paper, two novel soft subspace clustering algorithms, namely fuzzy weighting subspace clustering with competitive agglomeration (FWSCA) and entropy weighting subspace clustering with competitive agglomeration ...
  • Subspace Analysis Methods plus Motion History Image for Human Action Recognition 
    Du Chunhua; Wu Qiang; Yang Jie; He Xiangjian; Chen Yan (IEEE, 2008)
    This paper proposes a new human action recognition method which deals with recognition task in a quite different way when compared with traditional methods which use sequence matching scheme. Our method compresses a sequence ...
  • SVM based ASM for facial landmarks location 
    Du Chunhua; Wu Qiang; Yang Jie; Wu Zheng (IEEE, 2008)
    Finding a new position for each landmark is a crucial step in active shape model (ASM). Mahalanobis distance minimization is used for this finding, provided there are enough training data such that the grey-level profiles ...
  • Tensor Error Correction for Corrupted Values in Visual Data 
    Li Yin; Zhou Yue; Yan Junchi; Yang Jie; He Xiangjian (IEEE Computer Society, 2010)
    The multi channel image or the video clip has the natural form of tensor. The value of the tensor can be corrupted due to noise in acquisition process. We consider the problem of recovering a tensor L of visual data from ...