Authors
Haoliang Li Khosro Bahrami, Alex C. Kot, Leida Li
Publication date
2015
Journal
IEEE Transactions on Information Forensics and Security
Volume
10
Issue
5
Pages
999-1009
Publisher
IEEE
Description
In a tampered blurred image generated by splicing, the spliced region and the original image may have different blur types. Splicing localization in this image is a challenging problem when a forger uses some postprocessing operations as antiforensics to remove the splicing traces anomalies by resizing the tampered image or blurring the spliced region boundary. Such operations remove the artifacts that make detection of splicing difficult. In this paper, we overcome this problem by proposing a novel framework for blurred image splicing localization based on the partial blur type inconsistency. In this framework, after the block-based image partitioning, a local blur type detection feature is extracted from the estimated local blur kernels. The image blocks are classified into out-of-focus or motion blur based on this feature to generate invariant blur type regions. Finally, a fine splicing localization is applied to increase …
Total citations
201520162017201820192020202120222023202426181624192013174
Scholar articles
K Bahrami, AC Kot, L Li, H Li - IEEE Transactions on Information Forensics and …, 2015