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Digital Media and its Application in Museum & Heritages, Second Workshop on

Date 10-12 Dec. 2007

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Displaying Results 1 - 25 of 88
  • Second Workshop on Digital Media and its Application in Museum & Heritage - Cover

    Publication Year: 2007, Page(s): c1
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  • Second Workshop on Digital Media and its Application in Museum & Heritage - Title page

    Publication Year: 2007, Page(s):i - iii
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  • Second Workshop on Digital Media and its Application in Museum & Heritage - Copyright notice

    Publication Year: 2007, Page(s): iv
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  • Second Workshop on Digital Media and its Application in Museum & Heritage - TOC

    Publication Year: 2007, Page(s):v - x
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  • Preface

    Publication Year: 2007, Page(s): xi
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  • Conference organization

    Publication Year: 2007, Page(s):xii - xiii
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  • A Color Watermarking Scheme Based on Block-SVD and Arnold Transformation

    Publication Year: 2007, Page(s):3 - 8
    Cited by:  Papers (9)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (444 KB) | HTML iconHTML

    This paper proposes a color watermarking scheme based on block-SVD and Arnold transformation. Color watermark means more meaningful information could be concealed in host image. Block-SVD has faster speed than SVD algorithm. We can adjust the block size according to the amount of the watermark to be embedded. Watermark's pixel is buried to the maximum singular value (SV) bit of each block obtained... View full abstract»

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  • Attack on Cocktail Watermarking Based on High False Positive Probability

    Publication Year: 2007, Page(s):9 - 14
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (304 KB) | HTML iconHTML

    In this paper, a simple and effective attack on a non-blind robust digital watermark method, cocktail watermarking, was proposed. After reviewing the principle of the cocktail watermarking, the paper discovered that the cocktail watermarking scheme can drive a very high false positive probability although with high robustness simultaneously. Furthermore, a counterfeiting attack to generate a water... View full abstract»

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  • Performance Evaluation of Multiple Watermarks System

    Publication Year: 2007, Page(s):15 - 18
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (145 KB) | HTML iconHTML

    A multiple watermarking algorithm based on the code division multiple access (CDMA) technique is presented. According to the multiple accessing technique of the CDMA system, multiple copyright identifiers are embedded into digital images. Performance evaluation of this multiple watermarks system are presented. This paper proposed a analysis of multiple watermarks system capacity. When two watermar... View full abstract»

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  • A Novel Multipurpose Watermarking Scheme for Copyright Protection and Content Authentication

    Publication Year: 2007, Page(s):19 - 24
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (614 KB) | HTML iconHTML

    novel multipurpose image watermarking algorithm for copyright protection and content authentication is proposed in this paper. The basic idea is to embed robust and fragile watermarks into different components of gray scale image simultaneously. Based on chaotic maps and nonuniform discrete Fourier transform (NDFT), the robust watermark is firstly embedded into the middle frequency coefficients of... View full abstract»

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  • A Novel Blind Robust Digital Watermarking on 3D Meshes

    Publication Year: 2007, Page(s):25 - 31
    Cited by:  Papers (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (568 KB) | HTML iconHTML

    A novel blind watermarking method on 3D meshes is proposed in this paper. PCA (primary component analysis) is used for 3D meshes 'preprocessing. Octree structure is obtained after octree partition of 3D meshes. Meaningful watermark is then embedded into SC (Single Child) nodes in bottom level of octree. This method is robust against translation, rotation, uniform scaling and vertex reordering atta... View full abstract»

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  • Application of Image Restoration Based on Robust Estimation in Drowning Warning System

    Publication Year: 2007, Page(s):33 - 35
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (394 KB) | HTML iconHTML

    For the underwater image of swimming pool, its S/N is low and the edges are fuzzy. If use traditional image restoration method to dispose it directly, the result is not expected, existing weaknesses such as enlarged edge, denoise incompletely and so on. According to the high stabilization of robust estimation to noise, we combined robust estimation technique with image restoration method together,... View full abstract»

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  • Capturing Character Contours from Images of Ancient Chinese Calligraphy

    Publication Year: 2007, Page(s):36 - 41
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (637 KB) | HTML iconHTML

    novel methodology is proposed to capture character contours from images of ancient Chinese calligraphy which mainly includes two steps: feature points detecting from character contours and contour segment approximating. A new feature-point-detection method called PCACSS (principle component analysis based curvature scale space) is thus proposed. Compared with several existing methods for feature-p... View full abstract»

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  • A Yellow License Plate Location Method Based on RGB Model of Color Image and Texture of Plate

    Publication Year: 2007, Page(s):42 - 46
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (301 KB) | HTML iconHTML

    This paper presents a yellow license plate location algorithm employing RGB model of color image and black-white texture analysis of the plate directly to extract vehicle license plate from a complicated background image. According to the background color of the license plate in RGB color spaces, we transform the RGB image into a grayscale image directly as strengthening the background color of th... View full abstract»

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  • Color Prior Knowledge-Based License Plate Location Algorithm

    Publication Year: 2007, Page(s):47 - 52
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (566 KB) | HTML iconHTML

    Vehicle license plate location is the key of the vehicle plate recognition system. This paper proposes a new method that sufficiently utilizes the color feature such as fixed color collocation, color centers and distribution in the plate region. In this method, firstly, the input image is convolved with 1-D Gaussian filter, and the regions which have the structure and texture are similar to the li... View full abstract»

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  • Image Denoise Based on Soft-Threshold and Edge Enhancement

    Publication Year: 2007, Page(s):53 - 56
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB) | HTML iconHTML

    In order to eliminate noise and preserve the edge and texture detail in image, this article proposes a method of image denoise based on soft-threshold and edge enhancement. To enhance edge, first we use the canny edge detection operator to detect the feature of the image, then we preprocess the edge image with a flat operator, next we use stationary wavelet transform to process the processed edge ... View full abstract»

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  • Multiscale Variational Threshold SAR Image Denoising Based on Quad-tree Complex Wavelet Packets Transform

    Publication Year: 2007, Page(s):57 - 62
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (420 KB) | HTML iconHTML

    A new image transform, namely, the quad-tree complex wavelet packets transform (QCWPT) is introduced ,which both has shift invariance and good direction analysis ability and other merits of the dual-tree complex wavelet transform (DCWT), and has the ability of analyzing the high frequency detail signal carefully like the wavelet packet transform (WPT). Furthermore, a novel image denoising scheme b... View full abstract»

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  • A Novel Method for Classification of Ancient Coins Based on Image Textures

    Publication Year: 2007, Page(s):63 - 66
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (454 KB) | HTML iconHTML

    A novel approach is proposed to extract textual information for classification and recognition of ancient coins, which is based on tree-structured wavelet transform (TWT) and ant colony optimization (ACO) algorithm. Traditional methods of textural extraction focus on information only in low frequency channels. In this paper, in order to obtain texture information in all channels, incomplete TWT is... View full abstract»

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  • Study on the Key Image Processing Technology in the Inspection of Packing Quality for Small-Pack Cigarettes

    Publication Year: 2007, Page(s):67 - 71
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (286 KB) | HTML iconHTML

    Image processing is a key factor in the inspection of packing quality by machine vision. Targeting the inspection of packing quality for small-pack cigarettes in tobacco enterprises, this paper proposes a series of key image processing techniques: a fast algorithm for small-pack edge collecting based on fast Hough transformation, an online differentiating algorithm based on GLCM parameters, and pa... View full abstract»

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  • Recognition of Defects in Steel Surface Image Based on Neural Networks and Morphology

    Publication Year: 2007, Page(s):72 - 77
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (243 KB) | HTML iconHTML

    A hybrid image recognition approach based on 'Neural Networks and Morphology is presented to detect various defects in steel surface image, because signal-to-noise ratio of steel surface image is very low, and defection targets are small and their shape is irregular. Firstly, we present the comparison of different segmentation results of steel surface image under BP neural and RGB threshold value ... View full abstract»

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  • A Simultaneous Multi-view Registration Algorithm for Multiple Range Images

    Publication Year: 2007, Page(s):79 - 84
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1259 KB) | HTML iconHTML

    To deal with the problems of large amount of data and complex optimization in global registration, we propose an efficient global registration algorithm. In order to eliminate outliers, we propose a statistic method based on uniform distribution test. In order to accelerate to search for corresponding points, we propose a method to establish a corresponding point cache, which can improve the effic... View full abstract»

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  • Multi-perspective Panorama Based on the Improved Pushbroom Model

    Publication Year: 2007, Page(s):85 - 90
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (476 KB) | HTML iconHTML

    A novel approach of multi-perspective panorama (route panorama) auto-generating is presented, which is based on the integration of pushbroom model and perspective projection model. This method can avoid objects distortion and information loss caused by the rate change of the moving camera and/or the camera carrier. Further more, this method has overcome various unstabilizing factors through stabil... View full abstract»

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  • View Synthesis from Two Unrectified Images

    Publication Year: 2007, Page(s):91 - 96
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2288 KB) | HTML iconHTML

    Interpolating views of real objects allows rendering realistic virtual views created without explicit 3D models. This paper proposes a method for rendering arbitrary views from a pair of uncalibrated images. The proposed method utilizes the matching of sparse edge points along epipolar lines instead of computing the entire dense disparity map for the view interpolation. Unavoidably, morphing image... View full abstract»

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  • DVS Research on Image Based Modeling in Virtual Engineering

    Publication Year: 2007, Page(s):97 - 101
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1433 KB) | HTML iconHTML

    This article presents a relative complete desktop vision system (DVS) for 3D model reconstruction based image pairs, which can be used for modeling in virtual engineering. In the system, object feature data is measured with photogrammetry technologies; noise is filtered in adaptive morphology method; data is then compressed via non-uniform grid and median filtering. Experiments prove that the resu... View full abstract»

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  • Virtual Presentation and Animation of Qingming Festival by The Riverside

    Publication Year: 2007, Page(s):102 - 105
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (329 KB) | HTML iconHTML

    In this paper, we present a novel method to display a famous ancient Chinese painting for the purpose of cultural heritage preservation. The framework of multi-projector display wall based digital storytelling system is introduced. The aim of this system is to exhibit the ancient painting on a large display wall dynamically. Before being projected, the painting has to be repainted with very high r... View full abstract»

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