Detecting tampering in audio-visual content using QIM watermarking
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- 作者：Ronaldo Rigonia ; Pedro Garcia Freitas ; a ; sawp@sawp.com.br" class="auth_mail" title="E-mail the corresponding author ; Mylè ; ne C.Q. Fariasb
- 关键词：Quantization Index Modulation ; Watermarking ; Video tampering detection
- 刊名：Information Sciences
- 出版年：2016
- 出版时间：20 January 2016
- 年：2016
- 卷：328
- 期：Complete
- 页码：127-143
- 全文大小：4441 K
文摘
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We presented an approach to protect image and videos against digital forgery.
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We propose a technique to restore lost or tampered information in visual signals.
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The restoration is done using a proposed inverse halftoning technique.
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The halftone of signal is embedded in the signal itself using a QIM modification.