Chierchia et al., 2014 - Google Patents

Guided filtering for PRNU-based localization of small-size image forgeries

Chierchia et al., 2014

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Document ID
3879969923908637653
Author
Chierchia G
Cozzolino D
Poggi G
Sansone C
Verdoliva L
Publication year
Publication venue
2014 IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP)

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Snippet

PRNU-based techniques guarantee a good forgery detection performance irrespective of the specific type of forgery. The presence or absence of the camera PRNU pattern is detected by a correlation test. Given the very low power of the PRNU signal, however, the …
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Classifications

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    • G06K9/36—Image preprocessing, i.e. processing the image information without deciding about the identity of the image
    • G06K9/46—Extraction of features or characteristics of the image
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING; COUNTING
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    • G06K9/62—Methods or arrangements for recognition using electronic means
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    • G06K9/6202—Comparing pixel values or logical combinations thereof, or feature values having positional relevance, e.g. template matching
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    • G—PHYSICS
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    • G—PHYSICS
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    • G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
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