Sentence examples for tampered area from inspiring English sources

The first method is a statistical technique which is capable of detecting pixel-level tampering if the tampered area is small.

The proposed method has also located the tampered area in case of tampering, shown in Table 5 (the blue rectangle in the fourth column).

Fig. 5 Flowchart for tampered area localization.

Pseudocode for tampered area localization using p and p′ is given in Table 1.

It is usually hard to locate the tampered area by using global feature in the content-based watermarking scheme.

The new method, undergoing a variety of experiments, has shown its robustness against attacks and its capability of detecting tampered area in the image.

The CNN is designed to classify histograms of discrete cosine transform (DCT) coefficients, which differ between single-compressed areas (tampered areas) and double-compressed areas (untampered areas).

Lin et al.'s algorithm [7] was the first to automatically locate local tampered areas by analyzing the DQ effects hidden among the DCT coefficient's histograms.

In addiction, Fig. 14 c, f, i shows the tampered areas using these attacks, while the Fig. 14 d, g, j shows the frames with the original content restored.

We propose a structural embedding method to locate the tampered areas by using the separability of Zernike moments-based feature vector.

This paper introduces keytagging, a novel technique to protect medical image-based tests by implementing image authentication, integrity control and location of tampered areas, private captioning with role-based access control, traceability and copyright protection.