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File:Unsharp mask principle.svg

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    Original file (SVG file, nominally 512 × 683 pixels, file size: 59 KB)

    Summary

    Description
    English: Simplified principle of unsharp masking. Bitmap is from File:Mona_Lisa,_by_Leonardo_da_Vinci,_from_C2RMF_retouched_detail_grayscale.gif .
    Date
    Source
    Mona Lisa, by Leonardo da Vinci, from C2RMF retouched detail grayscale.gif
    Author
    Leonardo da Vinci (1452–1519)  wikidata:Q762 s:en:Author:Leonardo da Vinci q:en:Leonardo da Vinci
     
    Leonardo da Vinci
    Alternative names
    Leonardo di ser Piero da Vinci, Leonardo
    Description Italian painter, engineer, astronomer, anatomist, mathematician and sculptor
    Date of birth/death 15 April 1452 Edit this at Wikidata 2 May 1519 Edit this at Wikidata
    Location of birth/death Anchiano Edit this at Wikidata Clos Lucé Edit this at Wikidata
    Work period from 1466 until 1519
    date QS:P,+1500-00-00T00:00:00Z/6,P580,+1466-00-00T00:00:00Z/9,P582,+1519-00-00T00:00:00Z/9
    Work location
    Florence (1466–1482), Milan (1483–1499), Mantua (1499), Venice (1500), Florence (1500–1506), Milan (1506–1513), Florence (1507–1508), Rome (1513–1516), Amboise (1513–1518)
    Authority file
    creator QS:P170,Q762

    Licensing

    This is a faithful photographic reproduction of a two-dimensional, public domain work of art. The work of art itself is in the public domain for the following reason:
    Public domain

    The author died in 1519, so this work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or fewer.

    This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1931.

    This file has been identified as being free of known restrictions under copyright law, including all related and neighboring rights.
    The official position taken by the Wikimedia Foundation is that "faithful reproductions of two-dimensional public domain works of art are public domain".
    This photographic reproduction is therefore also considered to be in the public domain in the United States. In other jurisdictions, re-use of this content may be restricted; see Reuse of PD-Art photographs for details.

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    inception

    21 May 2013

    data size

    60,371 byte

    media type

    image/svg+xml

    checksum

    27a27dc4d3cd2ffe6c55ba10fc07b92bd158c314

    determination method or standard: SHA-1

    File history

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    Date/TimeThumbnailDimensionsUserComment
    current21:52, 21 May 2013Thumbnail for version as of 21:52, 21 May 2013512 × 683 (59 KB)CmgleeUser created page with UploadWizard

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