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Image splicing is one of the most popular techniques used in digital photomontage. This technique aims to crop and paste regions from an image to the same or another image. Splicing is also considered as a basic and popular operation for image tempering. With powerful digital image editor such as Adobe Photoshop, almost anyone is possible to make a perfect tampered image. Examples of abuse of these tampered images in newspapers are reported in several cases and have raised the anxiety of justice among people. With a goal of verifying image content authenticity, passive-blind image tampering detection was called for and an open benchmark dataset also is needed. In this report, we describe a natural color image tampering detection evaluation dataset with realistic splicing operations in order to provide a common platform for the researchers to compare and evaluate the performance of different proposed algorithms.

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4. Copies of CASIA image dataset may be retained by authorized users for the period necessary to conduct the research or teaching, including their use as evidence of research methodologies and results and subsequent research and analysis during the term of this agreement.
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7. The publishing of data and analysis resulting from research using any of the CASIA TIDE v1.0 image dataset is permitted in research communications such as scholarly papers, journals and the like. The data to be included in such communications can only include orignal image. The authors of these communications are required to cite ''Credits for the use of the CASIA Image Tempering Detection Evaluation Database (CAISA TIDE V1.0) are given to the National Laboratory of Pattern Recognition, Corel Image Database and the photographers. http://forensics.ideatest.net'' as the source of the dataset, and to indicate that the results or views expressed are those of the author/authorized user. Permission to use extracts of these data in textbooks must be obtained from the CASIA/NLPR.

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The users of the CASIA Tampering Detection Evaluation DataSet must agree that:

The use of the data set is restricted to research purpose only
No redistribution of the dataset or images of the database is allowed

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