Research and implementation of fragile watermark for vector graphics

Zheng, Lihua; Li, Yeli; Feng, Lei; Liu, Huaqun

doi:10.1109/iccet.2010.5485995

Cited by 8 publications

(3 citation statements)

References 9 publications

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“…Apart from the embedding distortion, our method can detect and locate modifications to single entity. The precision is higher than the methods in [6,12,22,[27][28][29] for they can only detect and locate the modifications to certain groups or regions. Based on this feature, our method is more practical in collaborative design.…”

Section: Performance Comparison Between the Proposed Methods And The ...mentioning

confidence: 98%

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Simulating the approach-retract phenomenon of AFM in virtual environment with haptic interface

Liu

Peng

2016

Computer-Aided Design and Applications

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The automatic detection of engineering drawing modifications made by other designers is central to improving CAD/CAPP working efficiency levels. Engineering drawings include numerous entities, but only a few entities are modified. It is difficult for designers to identify modified entities in a complex drawing. This paper presents a novel means of detecting entities in engineering drawings created by other designers that employs semi-fragile watermark technologies. Modifications will change embedded watermarks. Consequently, detection is realized by analyzing changes. The approach was implemented, and the experimental results demonstrate that the method is reliable and can accurately detect entities that have been modified, deleted and added.

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Section: Performance Comparison Between the Proposed Methods And The ...mentioning

confidence: 98%

“…Although it can verify the integrity of the watermarked vector map and detect modification and label them with rectangles, the detection precision still needs to be improved. After that, they proposed another scheme [28]. The linear entities of vector graphics were divided into different groups and watermark was embedded into these groups.…”

Section: Related Workmentioning

confidence: 99%

Simulating the approach-retract phenomenon of AFM in virtual environment with haptic interface

Liu

Peng

2016

Computer-Aided Design and Applications

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“…impossible, it fails to locate tampered blocks. Another scheme was presented by Zheng et al (2010), in which the features are divided into different groups and the watermarks are embedded group by group independently. To locate tampered data accurately, Wang and Men (2012) set marks on each Polyline/Polygon through vertex insertion and hide the authentication watermark using the difference expansion technique (Wang et al, 2007).…”

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confidence: 99%

Reversible Fragile Watermarking for Locating Tampered Polylines/Polygons in 2D Vector Maps

Wang

2016

International Journal of Digital Crime and Forensics

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For 2D vector maps, obtaining high tamper localization accuracy without requiring extra space is a technically challenging problem. Using an adaptive group division approach and an improved reversible data hiding approach, the author proposes a reversible fragile watermarking method for locating tampered Polylines/Polygons in 2D vector maps. In particular, the author adaptively divide the features of the vector map into groups according to a predefined threshold, calculate an authentication watermark for each group, embed the watermark using the improved reversible data hiding approach, and hide the mark of each feature into the feature itself. Since the adaptive group division method and the improved reversible data hiding method are combined in an attempt to make full use of the watermark embedding space, superior tamper localization accuracy and original content recovery can be ensured. Besides, no extra space is required by hiding the mark of each feature. Experimental results have been provided to demonstrate the effectiveness of our method.

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A Fragile Watermarking Scheme for Modification Type Characterization in 2D Vector Maps

Yue

Peng

2014

Web Technologies and Applications

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Research and implementation of fragile watermark for vector graphics

Cited by 8 publications

References 9 publications

Simulating the approach-retract phenomenon of AFM in virtual environment with haptic interface

Simulating the approach-retract phenomenon of AFM in virtual environment with haptic interface

Reversible Fragile Watermarking for Locating Tampered Polylines/Polygons in 2D Vector Maps

A Fragile Watermarking Scheme for Modification Type Characterization in 2D Vector Maps

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