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2009 Digital Image Computing: Techniques and Applications

1-3 Dec. 2009

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Displaying Results 1 - 25 of 91
  • [Front cover]

    Publication Year: 2009, Page(s): C1
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  • [Title page i]

    Publication Year: 2009, Page(s): i
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  • [Title page iii]

    Publication Year: 2009, Page(s): iii
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  • [Copyright notice]

    Publication Year: 2009, Page(s): iv
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  • Table of contents

    Publication Year: 2009, Page(s):v - xi
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  • Preface

    Publication Year: 2009, Page(s): xii
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  • Message from the General Chair

    Publication Year: 2009, Page(s):xiii - xiv
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  • Conference Committee

    Publication Year: 2009, Page(s):xv - xvi
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  • Review Panel

    Publication Year: 2009, Page(s):xvii - xviii
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  • Session 1 Keynote

    Publication Year: 2009, Page(s):xix - xx
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (132 KB) | HTML iconHTML

    With the proliferation of text, images and videos on the Web, users are now able to find multimedia answers to almost any questions. Meanwhile, they are also bewildered by the huge amount of information routinely presented to them. This talk presents our research on finding video answers to two types of questions the "how-to" and "topic-based" questions. For answering "how-to" type questions, the ... View full abstract»

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  • Session 2A Keynote

    Publication Year: 2009, Page(s): xxi
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    Summary form only given. Imaging methods provide rapidly improving and indispensible tools for modern biological and medical research. The images span spatial dimensions from nanometers to meters and can be two dimensional, three dimensional, four dimensional (3D+time) or even five dimensional (with an added spectral dimension). To fully utilize the many new types of images we need to be able to e... View full abstract»

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  • Session 2B Keynote

    Publication Year: 2009, Page(s): xxii
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (127 KB)

    A dark secret in the computer vision and image processing research community is the heavy reliance on "magic numbers" by our algorithms. Magic numbers often manifest themselves as algorithmic parameters that must be tuned before satisfactory results can be obtained. This over reliance on parameter tuning stems, in part, from the long-standing dogma that computer vision algorithms should be fully a... View full abstract»

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  • Session 3 Keynote

    Publication Year: 2009, Page(s): xxiii
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    Summary form only given. Recently, an emerging trend of representing objects by graphs can be observed. As a matter of fact, graphs offer a versatile alternative to feature vectors in many subfields of intelligent information processing, including pattern recognition, machine learning, and data mining. However, the space of graphs contains almost no mathematical structure, and consequently, there ... View full abstract»

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  • A Low Complexity Algorithm for Global Motion Parameter Estimation Targeting Hardware Implementation

    Publication Year: 2009, Page(s):1 - 5
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (443 KB) | HTML iconHTML

    Now-a-days image alignment is one of the most widely used techniques in computer vision. Image alignment has many applications in fields as diverse as video surveillance, computer vision, medical imaging, and video coding. The estimation of an objects' motion is a key step in image alignment. In this paper, we will present a low-complexity algorithm for estimation of motion parameters. Most of the... View full abstract»

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  • Affine-Invariant Image Watermarking Using the Hyperbolic Chirp

    Publication Year: 2009, Page(s):6 - 13
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1672 KB) | HTML iconHTML

    Image watermarking is the robust, imperceptible embedding of a small quantity of data into a digital image, and the subsequent recovery of this data, perhaps after the watermarked image has been distorted. We present a new watermarking technique which is robust to many image distortions, in particular arbitrary affine transformations of the image. The method achieves its robustness through the use... View full abstract»

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  • Improved 3D Thinning Algorithms for Skeleton Extraction

    Publication Year: 2009, Page(s):14 - 18
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1024 KB) | HTML iconHTML

    In this study, we focused on developing a novel 3D Thinning algorithm to extract one-voxel wide skeleton from various 3D objects aiming at preserving the topological information. The 3D Thinning algorithm was testified on computer-generated and real 3D reconstructed image sets acquired from TEMT and compared with other existing 3D Thinning algorithms. It is found that the algorithm has conserved m... View full abstract»

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  • Optimizing Sharpness Measure for Bright Lesion Detection in Retinal Image Analysis

    Publication Year: 2009, Page(s):19 - 24
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (1136 KB) | HTML iconHTML

    Due to the spherical shape nature of retina and the illumination effect, detecting bright lesions in a retinal image is a challenging problem. Existing methods depend heavily on a prior knowledge about lesions, which either a user-defined parameter is employed or a supervised learning technique is adopted to estimate the parameter. In this paper, a novel sharpness measure is proposed, which indica... View full abstract»

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  • Blotch Detection in Pigmented Skin Lesions Using Fuzzy Co-clustering and Texture Segmentation

    Publication Year: 2009, Page(s):25 - 31
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (632 KB) | HTML iconHTML

    The `fuzzy co-clustering algorithm for images (FCCI)' technique has been successfully applied to colour segmentation of medical images. The goal of this work is to extend this technique by the inclusion of texture features as a clustering parameter for detecting blotches in skin lesions based on colour information. The objective function is optimized using the bacterial foraging algorithm which gi... View full abstract»

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  • Microscopic Cell Segmentation and Dead Cell Detection Based on CFSE and PI Images by Using Distance and Watershed Transforms

    Publication Year: 2009, Page(s):32 - 39
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (592 KB) | HTML iconHTML

    Automatic cell segmentation and dead cell detection in microscopic images play a very important role in the study of the behaviour of lymphocytes. In this paper, a distance and watershed transforms based cell segmentation algorithm has been proposed to segment cells by using CFSE image, and a dead cell detection algorithm is also proposed to detect cell dead event. Experimental results have shown ... View full abstract»

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  • Patch Contour Matching by Correlating Fourier Descriptors

    Publication Year: 2009, Page(s):40 - 46
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (749 KB) | HTML iconHTML

    Fourier descriptors (FDs) is a classical but still popular method for contour matching. The key idea is to apply the Fourier transform to a periodic representation of the contour, which results in a shape descriptor in the frequency domain. Fourier descriptors have mostly been used to compare object silhouettes and object contours; we instead use this well established machinery to describe local r... View full abstract»

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  • Texture Description in Local Scale Using Texton Histograms with Universal Dictionary

    Publication Year: 2009, Page(s):47 - 52
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (402 KB) | HTML iconHTML

    An inherent property to the texture patterns is that they are only meaningful in an appropriate range of scales. Taking this into account, the description of the texture patterns should be limited to its meaningful scales. This assumption motivates the research on local scale texture description. In this paper a new method for the extraction and description of texture features using local scale is... View full abstract»

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  • Dense Correspondence Extraction in Difficult Uncalibrated Scenarios

    Publication Year: 2009, Page(s):53 - 60
    Cited by:  Papers (6)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (4740 KB) | HTML iconHTML

    The relationship between multiple cameras viewing the same scene may be discovered automatically by finding corresponding points in the two views and then solving for the camera geometry. In camera networks with sparsely placed cameras, low resolution cameras or in scenes with few distinguishable features it may be difficult to find a sufficient number of reliable correspondences from which to com... View full abstract»

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  • Novel Hardware Algorithms for Row-Parallel Integral Image Calculation

    Publication Year: 2009, Page(s):61 - 65
    Cited by:  Papers (3)  |  Patents (3)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (463 KB) | HTML iconHTML

    The integral image is an intermediate image representation that allows rapid calculation of rectangular features at constant speed, irrespective of filter size, and is particularly useful for multi-scale computer vision algorithms like speeded-up robust features (SURF). Although calculation of the integral image involves simple addition operations, the total number of operations is significant due... View full abstract»

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  • Exploiting Bayesian Belief Network for Adaptive IP-Reuse Decision

    Publication Year: 2009, Page(s):66 - 73
    Cited by:  Papers (1)
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    A smart camera processor has to perform substantial amount of processing of data-intensive operations. Hence, it is vital to identify critical segments of the processing load by involving HW/SW codesign in smart camera system design. This paper presents a novel fully automatic hybrid framework that combines heuristic and knowledge-based approaches to partition, allocate and schedule IP modules eff... View full abstract»

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  • Portable Multi-megapixel Camera with Real-Time Recording and Playback

    Publication Year: 2009, Page(s):74 - 80
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (6343 KB) | HTML iconHTML

    We are interested in the problem of automatically tracking football players, subject to the constraint that only one vantage point is available. Tracking algorithms benefit from seeing the entire playing field, as one does not have to worry about objects entering and leaving the field of view. However, the image of the entire field must be of sufficient resolution to allow each of the players to b... View full abstract»

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