Chinese Journal of Forensic Sciences ›› 2012 ›› Issue (5): 86-90.
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LU Qi-meng1,2, SHI Shao-pei2
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卢启萌1,2,施少培2
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作者简介:
Abstract:
Exif analysis of digital photos is an important aspect in image authentication. It is crucial to thoroughly extract and fully apply the Exif information in the examination. Based on the analysis of JPEG format, the extraction method of Exif information is presented and the application of the thumbnails and image quality in Exif is discussed.
Key words: image authentication, JPEG image, Exif, image tampering
摘要:
Exif信息检验是数码照片真实性鉴定的一个重要角度,如何充分挖掘和利用Exif信息对于数码照片真实性鉴定具有非常重要的意义。本文在JPEG格式分析基础上,介绍了Exif信息的提取方法,讨论了Exif的缩略图、压缩质量等信息在数码照片真实性鉴定中的应用。
关键词: 图像真实性鉴定, JPEG图像, Exif, 图像篡改
CLC Number:
DF793.2
LU Qi-meng, SHI Shao-pei . The Application of Exif in Digital Photo Authentication [J]. Chinese Journal of Forensic Sciences, 2012(5): 86-90.
卢启萌, 施少培. Exif信息在数码照片真实性鉴定中的应用 [J]. 中国司法鉴定, 2012(5): 86-90.
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