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Supplemental Information

False negative rate with different sensitivity value

DOI: 10.7287/peerj.preprints.27339v1/supp-1

Changes in the jphide rate with different sensitivities for seam carve manipulated images

DOI: 10.7287/peerj.preprints.27339v1/supp-2

Changes in other algorithms detected with different sensitivities

DOI: 10.7287/peerj.preprints.27339v1/supp-3

The overall false negative rate seam-carving untouched images with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-4

Changes in the jphide rate with different sensitivities for seam carve untouched images

DOI: 10.7287/peerj.preprints.27339v1/supp-5

Changes in other algorithms detected with different sensitivities

DOI: 10.7287/peerj.preprints.27339v1/supp-6

The overall false negative rate of Washington university image database with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-7

Changes in the jphide rate with different sensitivities for Washington university image database

DOI: 10.7287/peerj.preprints.27339v1/supp-8

The overall false negative rate of google image database (SAFE ON) with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-9

Changes in the jphide rate with different sensitivities for google image database (SAFE ON)

DOI: 10.7287/peerj.preprints.27339v1/supp-10

The overall false negative rate of google image database (SAFE OFF) with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-11

Changes in the jphide rate with different sensitivities for google image database (SAFE OFF)

DOI: 10.7287/peerj.preprints.27339v1/supp-12

The Overall false negative ratio from all different image databases

DOI: 10.7287/peerj.preprints.27339v1/supp-13

Sample result after analyses on stego images embedded with F5 algorithm

DOI: 10.7287/peerj.preprints.27339v1/supp-14

Sample result after analyses on stego images embedded with Jsteg algorithm

DOI: 10.7287/peerj.preprints.27339v1/supp-15

The rate of sensitivity results from 500 images manipulated by Seam-carve

DOI: 10.7287/peerj.preprints.27339v1/supp-16

Sample results of jphide method

DOI: 10.7287/peerj.preprints.27339v1/supp-17

The results from manipulated images by seam-carve based on sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-18

The rate of sensitivity results from 500 Seam-carving untouched images

DOI: 10.7287/peerj.preprints.27339v1/supp-19

The results of 500 images from seam carve untouched images with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-20

The results of 700 images from Washington University image database with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-21

The results of 150 images from google image database (SAFE OFF) with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-22

The overall false negative rates of ALL the different image databases with different sensitivity values

DOI: 10.7287/peerj.preprints.27339v1/supp-23

The detection results for seam carve manipulated images

DOI: 10.7287/peerj.preprints.27339v1/supp-24

The detection for seam carve untouched images

DOI: 10.7287/peerj.preprints.27339v1/supp-25

The detection results for university of Washington images

DOI: 10.7287/peerj.preprints.27339v1/supp-26

The detection result for google images with safe search option (ON)

DOI: 10.7287/peerj.preprints.27339v1/supp-27

The detection result for google images with safe search option (OFF)

DOI: 10.7287/peerj.preprints.27339v1/supp-28

The detection results for all the different image database

DOI: 10.7287/peerj.preprints.27339v1/supp-29

Additional Information

Competing Interests

Jeyong Jung is employed by Seoul Metropolitan Police Agency in South Korea. Benjamin Aziz is a senior lecturer in School of Computing of University of Portsmouth, United Kingdom.

Author Contributions

Benjamin Aziz conceived and designed the experiments, performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, performed the computation work, authored or reviewed drafts of the paper, approved the final draft.

Jeyong Jung performed the experiments, analyzed the data, contributed reagents/materials/analysis tools, prepared figures and/or tables, performed the computation work, authored or reviewed drafts of the paper, approved the final draft.

Data Deposition

The following information was supplied regarding data availability:

There was no coding involved, just the testing of existing tools (in this case, StegDetect).

Funding

The authors received no funding for this work.


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