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    DPHOTO
    2009
    137views Hardware» more  DPHOTO 2009»
    Sensor information capacity and spectral sensitivities
    13 years 9 months ago
    Sensor information capacity and spectral sensitivities
    Download  www.dxo.com
    In this paper, we numerically quantify the information capacity of a sensor, by examining the different factors than can limit this capacity, namely sensor spectral response, nois...
    Frédéric Cao, Frederic Guichard, H. ...
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    DPHOTO
    2009
    126views Hardware» more  DPHOTO 2009»
    Measuring texture sharpness of a digital camera
    13 years 9 months ago
    Measuring texture sharpness of a digital camera
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    A method for evaluating texture quality as shot by a camera is presented. It is shown that usual sharpness measurements are not completely satisfying for this task. A new target b...
    Frédéric Cao, Frederic Guichard, Her...
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    DPHOTO
    2009
    200views Hardware» more  DPHOTO 2009»
    Illuminant estimation and detection using near-infrared
    13 years 9 months ago
    Illuminant estimation and detection using near-infrared
    Download  ivrg.epfl.ch
    Digital camera sensors are sensitive to wavelengths ranging from the ultraviolet (200-400nm) to the near-infrared (700-100nm) bands. This range is, however, reduced because the ai...
    Clément Fredembach, Sabine Süsstrunk
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    DPHOTO
    2009
    154views Hardware» more  DPHOTO 2009»
    Optimal color filter array design: quantitative conditions and an efficient search procedure
    13 years 9 months ago
    Optimal color filter array design: quantitative conditions and an efficient search procedure
    Download  infoscience.epfl.ch
    Most digital cameras employ a spatial subsampling process, implemented as a color filter array (CFA), to capture color images. The choice of CFA patterns has a great impact on the...
    Yue M. Lu, Martin Vetterli
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    DPHOTO
    2009
    108views Hardware» more  DPHOTO 2009»
    IDEAL: an image pre-processing architecture for high-end professional DSC applications
    13 years 9 months ago
    IDEAL: an image pre-processing architecture for high-end professional DSC applications
    Download  www.dalsa.com
    We developed and implemented a flexible image pre-processing concept to achieve an image sub-system for top-end professional digital still camera applications that ensures the hig...
    Auke van der Heide, Takashi Urano, Frank Polderdij...
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    DPHOTO
    2009
    116views Hardware» more  DPHOTO 2009»
    Interleaved imaging: an imaging system design inspired by rod-cone vision
    13 years 9 months ago
    Interleaved imaging: an imaging system design inspired by rod-cone vision
    Download  www.imageval.com
    Under low illumination conditions, such as moonlight, there simply are not enough photons present to create a high quality color image with integration times that avoid camera-sha...
    Manu Parmar, Brian A. Wandell
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    DPHOTO
    2009
    119views Hardware» more  DPHOTO 2009»
    Naturalness classification of images into DCT domain
    13 years 9 months ago
    Naturalness classification of images into DCT domain
    Download  iplab.dmi.unict.it
    Holistic representations of natural scenes are an effective and powerful source of information for semantic classification and analysis of arbitrary images. Recently, the frequenc...
    Sebastiano Battiato, Giovanni Maria Farinella, Gio...
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    DPHOTO
    2009
    138views Hardware» more  DPHOTO 2009»
    Statistical identification and analysis of defect development in digital imagers
    13 years 9 months ago
    Statistical identification and analysis of defect development in digital imagers
    Download  euler.ecs.umass.edu
    The lifetime of solid-state image sensors is limited by the appearance of defects, particularly hot-pixels, which we have previously shown to develop continuously over the sensor ...
    Jenny Leung, Glenn H. Chapman, Zahava Koren, Israe...
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    DPHOTO
    2009
    131views Hardware» more  DPHOTO 2009»
    Interaction of image noise, spatial resolution, and low contrast fine detail preservation in digital image processing
    13 years 9 months ago
    Interaction of image noise, spatial resolution, and low contrast fine detail preservation in digital image processing
    Download  www.artiq-engineering.de
    We present a method to improve the validity of noise and resolution measurements on digital cameras. If non-linear adaptive noise reduction is part of the signal processing in the...
    Uwe Artmann, Dietmar Wueller
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    COMPSYSTECH
    2009
    182views Hardware» more  COMPSYSTECH 2009»
    Personalized web search using context enhanced query
    13 years 9 months ago
    Personalized web search using context enhanced query
    Download  www2.fiit.stuba.sk
    : This work presents personalized web search using enhancing information extracted from context. Context reflects user profile, her interests, past searching experiences etc. It is...
    Michal Kajaba, Pavol Návrat
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