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Date 7-10 June 2006

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Displaying Results 1 - 25 of 101
  • [Front cover]

    Publication Year: 2006, Page(s): C1
    IEEE is not the copyright holder of this material | PDF file iconPDF (328 KB)
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  • 48th International Symposium ELMAR-2006 focused on Multimedia Signal Processing and Communications

    Publication Year: 2006, Page(s): nil1
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  • Copyright page

    Publication Year: 2006, Page(s): nil2
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  • Sponsors

    Publication Year: 2006, Page(s): nil3
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  • [Advertisement]

    Publication Year: 2006, Page(s): nil4
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  • ELMAR-2006 Symposium Committees

    Publication Year: 2006, Page(s): nil5
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  • ELMAR-2006 Symposium International Review Committee

    Publication Year: 2006, Page(s): nil6
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  • Croatian Society Electronics in Marine - ELMAR

    Publication Year: 2006, Page(s): nil7
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  • Welcome speech of the President of Croatian Society Electronics in Marine - ELMAR, Zadar

    Publication Year: 2006, Page(s):nil8 - nil9
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  • Contents

    Publication Year: 2006, Page(s):nil10 - nil16
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  • Tesla's Inventions in the Field of Radiocommunications

    Publication Year: 2006, Page(s):1 - 4
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4074 KB) | HTML iconHTML

    In the early days of Tesla's research he explained the process of electromagnetic waves propagation. His experimentations with high frequencies, wireless communication systems, and high frequency oscillator are the base of transmission technology today. In this paper the influence of Tesla's inventions and results in the field of radiocommunications are described View full abstract»

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  • Input-Agnostic vs. Input-Specific Image Secret Sharing

    Publication Year: 2006, Page(s):5 - 8
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (5097 KB) | HTML iconHTML

    In this paper, we focus on the bit-level processing based image secret sharing framework which consists of the so-called input-agnostic and input-specific solutions. It will be demonstrated that both these subclasses satisfy the essential perfect reconstruction property while making fundamental differences in processing the secret image and protecting the visual data View full abstract»

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  • Camera Image Watermark Transfer by Demosaicking

    Publication Year: 2006, Page(s):9 - 12
    Cited by:  Papers (2)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4468 KB) | HTML iconHTML

    This paper introduces a new watermarking solution for single-sensor digital cameras. The proposed method embeds visible watermarks in the color filter array (CFA) domain of captured images and uses the demosaicking process to transfer the watermark from the gray-scale CFA image to the restored, demosaicked, color image. Thus, the approach allows for cost-effective image protection and the enforcem... View full abstract»

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  • A Heuristic Bitrate Control for Non-embedded Wavelet Image Encoders

    Publication Year: 2006, Page(s):13 - 16
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4812 KB) | HTML iconHTML

    Most recently developed wavelet image emcoders support as native feature an embedded bitrate control that could be useful for applications where obtaining an accurate bitrate is critical. Well-known encoders like JPEG2000 and SPIHT employ embedded coding. However, this feature makes them highly complex, being a serious restriction for certain applications and devices (such as mobile multimedia com... View full abstract»

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  • PDF Model of Multimedia and Scientific Images in the Wavelet Domain

    Publication Year: 2006, Page(s):17 - 20
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3980 KB) | HTML iconHTML

    This work deals with a statistical model of the marginal probability density function (PDF) of digital images in the wavelet domain. Estimation of parameters of the model using least square method is also included. A dyadic decomposition as a special form of the discrete wavelet transform is used in this paper. There is described the statistical model of wavelet coefficients based on the generaliz... View full abstract»

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  • Picture Format Conversion for TV Projection

    Publication Year: 2006, Page(s):21 - 26
    Cited by:  Papers (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4937 KB) | HTML iconHTML

    For TV projection of film material it is necessary to correct picture for format differences. TV projection needs to achieve closest possible artistic atmosphere of original film image. Different balance of picture elements, because of the format correction process, results with different artistic atmosphere of the projected picture. There are different approaches to correction process which depen... View full abstract»

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  • Assessment of Region-Based Moment Invariants for Object Recognition

    Publication Year: 2006, Page(s):27 - 32
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (6078 KB) | HTML iconHTML

    Geometric region-based moments as features for invariant object recognition are studied. Theoretically rotation, translation, and scale invariant Hu, Zernike, and Krawtchouk moments are used as features for region description. Accuracy of such description and efficiency is tested by recognition of letters and digits from extended Slovenian alphabet. Ten testing samples in six different image resol... View full abstract»

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  • A Spatial Filter for Dark Regions Detection

    Publication Year: 2006, Page(s):33 - 36
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4158 KB) | HTML iconHTML

    This paper presents a new spatial filter for detection of dark objects in images with uneven illumination or where object grey-levels vary with respect to local surroundings. Theoretical filter foundations, properties and guidelines for its application are described in detail. This parametric, symmetric, and rotation invariant filter adapts by varying its radius, and, consequently, enables scale-s... View full abstract»

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  • Multiscale Edge Detector

    Publication Year: 2006, Page(s):37 - 40
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4205 KB) | HTML iconHTML

    The purpose of this paper is to introduce an novel edge detector using directional wavelet transform and signal registration. Directional wavelet transform decomposes an image into four-dimensional space which augments the image by the scale and directional information. We show the directional information significantly improves edge detection in noisy images in comparison with the classical multis... View full abstract»

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  • A New Method for Contour Extraction and Image Compression in Spectral Domain

    Publication Year: 2006, Page(s):41 - 44
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (3073 KB) | HTML iconHTML

    Three different algorithms of contour extraction and image compression using low-pass filter (LPF) and high-pass filter (HPF) are presented and compared with Sobel and Canny edge detectors in this paper. The proposed algorithms used periodic Haar piecewise-linear (PHL) transform, discrete cosine transform (DCT) and Haar transform (HT). Effectiveness of the contour extraction for different classes ... View full abstract»

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  • Multicamera Systems in the Moving Body Recognition

    Publication Year: 2006, Page(s):45 - 48
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (3997 KB) | HTML iconHTML

    The contribution presents the process of the space localization of the moving object using a multicamera system, possible remote data transmission through communication links and image acquisition problems. The moving body recognition and its mathematical modelling including spline interpolation, of its trajectory in the three-dimensional space form the main part of the paper. Final results are pr... View full abstract»

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  • Motion Detection Based Multimedia Supported Intelligent Video Surveillance System

    Publication Year: 2006, Page(s):49 - 52
    Cited by:  Papers (1)  |  Patents (1)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4270 KB) | HTML iconHTML

    An integrated multimedia supported intelligent video surveillance system is proposed. The system is aimed to alleviate the disadvantages of the existing video-surveillance kits and provides advanced search, notification, visualization and alarming functionality through integration of artificial intelligence, motion detection and tracking technology, multimedia databases and Internet/cell phone con... View full abstract»

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  • Reversible watermarking scheme for image authentication in frequency domain

    Publication Year: 2006, Page(s):53 - 56
    Cited by:  Papers (3)
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4475 KB) | HTML iconHTML

    Currently any digital media can be easily modified. As a measure to ensure authenticity of the media in question, watermarks may be used. However, for a specific media (military or medical imagery) modifications introduced by watermarking process are not acceptable. Reversible watermarking, that allows to restore exact original image, is designed for this usage. In this paper semi-blind reversible... View full abstract»

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  • Mosaic Based Compression of Panoramic Image Sequence

    Publication Year: 2006, Page(s):57 - 60
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4519 KB) | HTML iconHTML

    An approach to compression of panoramic images is presented. Individual panoramic images can be efficiently compressed with application of decorrelating transforms, such as block based DCT, or wavelet transform, then coefficients quantization, and VL coding, as in JPEG 2000 standard. Further compression of the sequence of images is possible, if there is a significant correlation between images due... View full abstract»

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  • Optical Character Recognition of Low Resolution Text Sequences From Hand-Held Device Supported by Super-Resolution

    Publication Year: 2006, Page(s):61 - 64
    IEEE is not the copyright holder of this material | Click to expandAbstract | PDF file iconPDF (4479 KB) | HTML iconHTML

    In this paper a super-resolution technique especially optimized for enhancing low-resolution text images from handheld devices is presented. Considered here, the most naturally, projective motion model has eliminated some drawbacks of previously presented SR schemes. Modification of initial guess estimation idea has resulted in accuracy improvement and convergence speed up. We also applied a quadr... View full abstract»

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