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BieColl - Bielefeld Electronic Collections
Institutional Repository
786 Publications
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Detailed data provider information (OpenDOAR)


  • Radiometric alignment and vignetting calibration

    d´Angelo, Pablo (2007)
    This paper describes a method to photometrically align registered and overlapping images which have been subject to vignetting (radial light falloff), exposure variations, white balance variation and nonlinear camera response. Applications include estimation of vignetting and camera response; vignetting and exposure compensation for image image mosaicing; and creation of high dynamic range mosaics. Compared to previous work white balance changes can be compensated and a computationally effici...

    Mining and Analysing Spatio-Temporal Patterns of Gene Expression in an Integrative Database Framework

    Belmamoune, M.; Potikanond, D.; Verbeek, Fons J. (2010)
    Mining patterns of gene expression provides a crucial approach in discovering knowledge such as finding genetic networks that underpin the embryonic development. Analysis of mining results and evaluation of their relevance in the domain remains a major concern. In this paper we describe our explorative studies in support of solutions to facilitate the analysis and interpretation of mining results. In our particular case we describe a solution that is found in the extension of the Gene Express...

    EyeScreen: A Vision-Based Desktop Interaction System

    Xu, Yihua; Lv, Jingjun; Li, Shanqing; Jia, Yunde (2007)
    EyeScreen provides a natural HCI interface with vision-based hand tracking and gesture recognition techniques. Multi-view video images captured from two cameras facing a computer screen are used to track and recognize finger and hand motions. Finger tracking is achieved by skin color detection and particle filtering, and is greatly enhanced by the proposed screen background subtraction method that removes the screen images in advance. Finger click on the screen can also be detected from multi...

    Implementation of the Protocol on Water and Health in the Republic of Macedonia

    Kuchobovski, Mihail (2008)
    Childhood is a critical component of the health care life cycle. The objective of this Protocol is to promote at all appropriate levels, nationally as well as in transboundary and international contexts, the protection of human health and well-being, both individual and collective, within a framework of sustainable development, through improving water management, including the protection of water ecosystems, and through preventing, controlling and reducing waterrelated diseases. This is espec...
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