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    <title>[1109.0573] Phase Retrieval via Matrix Completion</title>
    <dc:date>2011-10-04T13:42:49+00:00</dc:date>
    <link>http://arxiv.org/abs/1109.0573</link>
    <dc:creator>Vaguery</dc:creator><description><![CDATA["This paper considers the fundamental problem of recovering a general signal, an image for example, from the magnitude of its Fourier transform. This problem, also known as phase retrieval, arises in many applications and has challenged engineers, physicists, and mathematicians for decades. Its origin comes from the fact that detectors can often times only record the squared modulus of the Fresnel or Fraunhofer diffraction pattern of the radiation that is scattered from an object. In such settings, one cannot measure the phase of the optical wave reaching the detector and, therefore, much information about the scattered object or the optical field is lost since, as is well known, the phase encodes a lot of the structural content of the image we wish to form."]]></description>
<dc:subject>image-processing inverse-problems signal-processing system-identification frequency-space algorithms nudge-targets numerical-methods</dc:subject>
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