watermark

One is digital "watermarking, " in which a bit of computer code is embedded in a file to identify it.

Numerical simulations have demonstrated that this watermarking scheme has better performances of security and anti-attack.

Robust watermarking techniques are always used for copyright protection and ownership assertion.

Experiment results showed that this watermarking image has better performance of invisibility and anti-attack of noise.

The capacity, the invisibility, as well as the robustness of watermarking interact with one another.

We propose a fragile watermarking scheme capable of image tamper detection and recovery with a block-wise dependency mechanism.

Digital watermarking technology, as an important means of copyright protection, is being in-depth studied.

It is a blind watermarking algorithm due to the fact that watermark can be extracted without original engineering graphic.

This method had a better invisibility compared to other text image watermarking, and the original image information would not be changed.

Digital watermarking occurred in such a background, which can make up for the shortcomings of traditional methods of information cryptology.

This paper presented a digital watermarking technology which applies redundant indexes of an image to carry hiding information.

Relational Database digital watermarking technology can be a good solution to the database is a copyright issue.

As an effective method for multimedia authentication and tamper detection, fragile watermarking is drawing extensive attention recently.

In this paper, the basic concepts, frame of the system, main categories of digital watermarking and possible attacks are described.

Investigators have several tools to help find the source of the leak, including digital watermarking, the studio said.

Digital document watermarking technology can be used to solve effectively the copyright protection problem of digital document media.

Most of the watermarking schemes that have been proposed until now employ a correlation detector (matched filter).

Extensive experiments prove the differences between the digital watermarking and digital steganography.

The simulation experiments indicate that the project achieved a good unification of the robustness and invisibility of the watermarking.

This algorithm mitigate the illogicality between the robustness and invisibility and enhance the watermarking security.

Experimental results indicate that the performance of the proposed watermarking algorithm is invisible, robust and secure.

A large number of experimental results show that the proposed watermarking algorithm have shown a variety of robust and non-visibility.

Digital watermarking technique is an important research field multimedia information security.

The length of the watermarking is adaptive to the richness of the image veins.

Analysis of this paper reveals the factors that may influence the reliability of detection, this can help us optimize watermarking system.

Analysis this video watermarking algorithm, in two parts, one is the watermark embedding, one is the watermark extraction.

Moreover, this thesis also summarizes the research statuses of the compressed domain watermarking and VQ based watermarking algorithms.

Studying text watermarking algorithms in a full-scale view and comparing these algorithms to identify their strengths and drawbacks.

Watermarking the viewer's name tracks the origin of any illegal copy.

The security of a fragile digital watermarking scheme for image tamper detection and recovery is analyzed.

Code division multiple access (CDMA) technique was conceptually introduced to watermarking system to realize multiple watermark resolution.

The transparency of watermarks can be improved by zero-watermarking since it need not modify the original image information.

On this basis, a solution of digital watermarking-based copyright protection management system is provided.

This paper presents a scheme for estimating two-band amplitude scale attack within a quantization-based watermarking context.

Digital watermarking is a new information security technology, providing effective copyright protection for multi-media digital works.

Then the electronic seal system and its key technologies of multi-layer watermarking, etc. are discussed in detail.

Finite Field, Theory of Finite Groups, Chaos Theory, Coding, Digital Watermarking, Cryptography.

A watermarking on image which can be used to forgery prevention for printed brands is proposed.

Simulation results showed that the watermarking scheme was robust to typical image processing and geometric transform.

However, currently available speech watermarking technique is far beyond mature yet compared with the image watermarking.

Thus, it's necessary to separate the document image and then embed watermarking in character area and image area.

The experimental results show that the watermarking image is invisible and robust against a number of attacks.

Secondly, on the basis of the frequency domain algorithm, a valid robust blind image watermarking algorithm is designed.

Finally, this thesis proposed an invertible fragile digital watermarking algorithm to authenticate the integrity of vector map data.

A digital watermarking scheme is presented according to the characteristics of two-dimensional engineering graphics.

This paper is intended to advance an effective printing forgery prevention algorithm basing on digital watermarking technology.

However, as a new area of research, there are still a lot of digital watermarking technology theories and technical problems to be solved.

Through the study of whole watermarking system, a novel JND computation method is proposed, which enhances the robustness of JND threshold.

The whole detecting process will not reveal any watermarking message and implement a zero-knowledge proof protocol.

A quantization-based semi-fragile watermarking algorithm for digital image content authentication is proposed.

At present, the common frequency domain watermarking algorithm primarily adopts wavelet transformation or DCT.

The comparison analysis demonstrates that our scheme has better performance than the previously reported watermarking algorithms.

In recent years, much attention is focused on the watermarking techniques to hide information in digital media for copyright protection.

This paper presented a blind detection watermarking algorithm for document image to hide information against print-scan process.

This paper proposes a blind text watermarking algorithm by utilizing fuzzy clustering theory and Chinese character's properties.

The public watermarking technique can extract or detect watermarks without the original photo.

Traditional software watermarking has some limitations on tamper proofing, the data rate, robustness and stealth.

This paper focuses on an audio watermarking algorithm research based on lifting wavelet transform and chaotic encryption.

This paper introduces the digital watermarking technology in the packaging application security.

Unobtrusiveness and robustness are two elementary characteristics of watermarking technology.

Because using the treble embedding watermarking algorithm, therefore it increase in robustness effectively.

Digital watermarking is a new technology of information hiding and information security protection in digital age.

after common contour map data is studied and analyzed deeply , a complementary watermarking algorithm is proposed.

The experiment shows that the proposed dual watermarking system can indicate and verify the ownership.

It is pointed out that a loophole still exists in a watermarking scheme capable of resisting sensitivity attack.

In this paper, a new trellis coded watermarking algorithm of trellis codes combine with constant robustness embedding is proposed.

But the digital watermarking methods arent suitable for vector graphic images because mostly suitable only for bitmap images.

It is point out that the digital watermarking system is a proof system through researching the watermarking system model.

Multi-layer embedding for histogram shifting based reversible watermarking leads to high capacity.

The wavelet coefficients are selected by Human Visual System (HVS) to ensure the transparence of watermarking.

A digital watermarking method to resist geometric attack, mainly the scaling attack and the cropping attack, was presented.

Watermarking Detection and recovered create an urgent need to intellectual property protection on the digital multimedia.

In the field of information security, digital watermarking is considered as a new method to protect the intellectual property rights.

Secondly, it proposes a dual digital image watermarking algorithm based of wavelet packet transform.

Time stamp introduced on design of digital watermarking is an effective way to avoid the interpretation attack.

Digital watermarking includes algorithm design and attack technique, which are contrarily promoting each other.

A lot of papers research of single digital image watermarking technology, but this paper focuses of multiple image watermarking technology.

This article proposes an effective adaptive2-dimension blind watermarking algorithm based on character of a remote sensing image.

This paper proposes an invertible semi-fragile video watermarking algorithm using a hash function to authenticate the MPEG-4 video contents.

The technique of DCT-Based digital watermarking for copyright protection of static image is studied in this paper.

Robustness of Watermarking: Is Error Correcting Coding Effective?

Experimental results show that based on the ridge of the wave and Curvelet watermarking algorithm has some theoretical and practical value.

This paper presents a existing kind of semi-fragile watermarking authentication algorithm based on the DWT (Discrete Wavelet Transform).

Digital watermarking technology is a common scheme to secure the copyright of digital vector map.

A new effective fragile text watermarking technique for text authentication is proposed.

A novel feature calibration watermarking for binary text document images was proposed.

A DWT Blind digital watermarking embedding and detection method by trembling 3rd-order DWT coefficient of low frequency energy is presented.

Digital watermarking technique is a new method of protecting property right of digital production.

A digital watermarking algorithm for halftone (binary) images was proposed.

A dual watermarking algorithm that accepted JPEG compression was presented.

Some energy based metrics, e. g. peak signal to noise ratio(PSNR), have some limitations while applied to vector map watermarking systems.

This paper proposes a robust mesh watermarking algorithm using wavelet transform for semi-regular meshes obtained by remeshing.

Starting with the coding feature of the XML, this paper presented a new algorithm for the digital watermarking based on XML.

We can improve the transparency of watermarks through a zero-watermarking method since it need not modify the original image information.

In this paper, we propose a robust watermarking technique that accepts JPEG lossy compression.

We analyse embedded contents and embedded domains of digital watermarking.

In this paper, a visible watermarking algorithm is carried out in DWT domain based on mask effect to noises of original image.

Based on digital watermarking and applied cryptology, an authentication scheme for copyright protection of digital product is proposed.

Digitalaudio watermarking is one kind of digital watermarking.

Therefor, research on digital watermarking techniques for halftoned image is significant.

The two embedded algorithms of digital watermarking are proposed in this paper.

Theory and experiment have proven that digital watermarking schemes based on wavelet domains have good robustness and invisibility.

Combining with PKI and multi-layer digital watermarking technology, a kind of new electronic seal system is brought up.

The mainly research result is as follows: 1. A digital image watermarking algorithm in wavelet transform domain is proposed.

As a result, entered into the decoder as a signal and noise ratio (here now for Watermarking W) much less than 1.

Then based on the mapping-table, the methods of embedding and detecting digital watermarking into the indexes of images were raised.

Based on traditional spread-spectrum watermarking, we discuss an asymmetric watermarking scheme using random-phase-shift.

This paper gives a general review of watermarking techniques, mainly introduces audio watermarking and some algorithms on-hand.

Video coding and digital watermarking based on wavelet transform are two important subareas in multimedia signal processing.

In this paper, two robust digital watermarking algorithms based on image normalization and invariant centroid theory are proposed.

A novel effective but simple image watermarking algorithm is proposed.

The watermark detection algorithm based on the central limit theorem can test watermarking information accurately.

An adaptive digital image watermarking algorithm based on binary discrete operation was proposed in the wavelet transform domain.

A digital watermarking scheme for binary document image was proposed.

The combination of digital watermarking and encryption techniques is the effective way to resolve campus card's forgery-proof.

We study meaningful watermarking algorithm based on wavelet packet transform and spread spectrum technology.

This paper presents a blind audio watermarking algorithm with self-synchronization based on Psychoacoustic Model.

In order to be more robust and with higher fidelity, watermarking should be based on capacity estimation.

The protocol can improve the stealthiness of the text watermarking algorithm.

The new time stamp scheme makes the digital watermarking more applicable.

Based on our explanation of wavelet theory, we introduced its application on digital watermarking and show its further direction.

A robust digital watermarking algorithm based on quantifying and error correcting coding technique is proposed.

Finally, embedding the watermarking signals into the 2 bit LSB of the blocks of image.

A blind digital image watermarking algorithm in DCT domain is proposed.

This paper proposes a method of digital watermarking algorithm based on DWT domain for secrete information hiding in remote sensing image.

This thesis mainly studies adaptive digital image watermarking algorithms based on human visual system (HVS).

An audio zero-digital watermarking algorithm based on energy difference of wavelet coefficients was proposed.

This paper proposed a novel wavelet method for blind robust 3D mesh object watermarking applications.

To protect copyright of digital raster map, a complementary watermarking algorithm was pro posed based on digital raster map.

A watermarking algorithm is implemented using the proposed technique for still images.

A fuzzy adaptive watermarking algorithm of color image based on discrete cosine transform (DCT) domain was proposed.

You will note that watermarking isn't very effective in dark sections of the image.

The merchant bought a machine for watermarking his products.

An improved digital watermarking algorithm based on dual-tree complex wavelet transform was presented.

A digital image watermarking scheme embedded in spatial domain based on BSS (blind source separation) was proposed.

A new database watermarking algorithm is put forward in view of existing algorithm insufficiency.

A Digital Watermarking Algorithms Base.

Based on public-key code system, this paper discussed an entirely new strategy to apply security digital watermarking.

A compound watermarking algorithm for digital raster map is proposed based on wavelet transformation.

An improved audio digital watermarking in frequency domain is presented based on the patchwork algorithm.

Digital watermarking technology becomes an important way to solve these problems because of its invisibility, robustness and security.

This paper proposed a secret watermarking schema in frequency domain based on extending frequency theory.

Finally, on the basis of studying single digital watermarking, proposes a double digital algorithm based on SVD and DWT.

This paper presents an audio watermarking algorithm in DCT domain based on human auditory masking properties.

Digital watermarking technology has a huge rang of application in the field of digital multimedia security.

A new fractal watermarking scheme robust to geometric attacks is proposed based on image normalization and fractal.

This paper proposes a robust and blind digital audio watermarking algorithm based on cepstrum transform.

The watermarking image is invisible under the control of the mixed matrix.

In this paper, my work is mainly about a double-level watermarking algorithm based on human vision identity.

This paper presents a frequency-domain digital watermarking algorithm based on VQ compression.

A blind digital watermarking algorithm based on image content and wavelet packet transform is advanced.

For the sake of reducing the video distortion in watermarking, a quantized distortion compensation method is used.

For the copyright protection of digital video, a novel video watermarking algorithm based on MPEG-7 contour description is proposed.

A method of making an asymmetric digital watermarking based on chaotic synchronization theory is proposed in this paper.

PhoneTextBox is an early look at an enhanced text box with action icon support, watermarking, etc.

Three digital audio watermarking schemes are presented. (1) An adaptive quantification color audio watermarking scheme based on BTC.

A digital watermarking embedded method based on lifting wavelet transform was presented.

In this paper, a digital text watermarking algorithm based on Chinese characters structure is proposed.

An digital image watermarking algorithm based on support vector regression (SVR) is proposed in this paper.

How to resist geometry transformation attacks effectively has become a focus of digital watermarking.

In this paper a new algorithm for blind watermarking embedding in DC components of DCT based on quantification is presented.

A robust 3D model digital watermarking algorithm for triangle meshes is proposed.

An embedding and blind detection scheme for binary watermarking based on image feature is presented in this paper.

We presented a novel watermarking method based on wavelet packets transform and human visual system(HVS).

A new watermarking method of image content features is proposed in this paper.

A content-based watermarking model based on discrete wavelet transform ( DWT ) is presented.

In this paper, the study reads as follows: First, based on the numeric attributes of a relational database watermarking technology research.

Watermarking the images in the gallery is absolutely necessary for legal reasons and we cannot avoid this.

Aim To propose an anti-attack watermarking based on synonym substitution algorithm for Chinese text.

This paper proposes a new image watermarking scheme in order to solve the contradiction between imperceptibility and robustness.

A digital image watermarking algorithm based on quadtree and error correcting code is proposed.

An improved watermarking algorithm of odd-even quantification based on chaotic map is proposed.

In this paper, a chaotic encrypted image digital watermarking algorithm based on DWT domain is proposed.

Lastly, an self-adaptive digital image watermarking scheme based on hybrid DWT-SVD domain is proposed.

A new multi-bit watermarking algorithm is proposed in this paper.

A new method for blind robust 3D mesh object watermarking applications was proposed.

A blind audio watermarking algorithm based on convolutional codes was proposed.

A color image watermarking algorithm based on LAB color space and DWT are presented to prevent the electronic product print from pirating.

In this paper, a watermarking algorithm based on Locally Linear Embedding(LLE) was proposed.

A new fragile watermarking algorithm based on relational database is proposed in view of existing algorithm insufficiency.

Absrtact: A digital watermarking algorithm is proposed based on chaotic map and fractional Fourier transform.

This article proposed a blind digital audio watermarking algorithm based on the DWT .

A digital watermarking algorithm based on quadtree fractal coding.

An image watermarking algorithm based on subband transform is proposed.

An adaptive video watermarking algorithm based on the DC Component is proposed in this paper.

A new blind audio watermarking algorithm based on modular arithmetic is presented.

A spatial domain image watermarking algorithm based on chaotic maps is proposed.

A novel robust image watermarking algorithm based on ergodic matrix and DWT is proposed.

The paper raised the way of robust watermarking of the 2D vector graphics based on the Complex Wavelet.

A watermarking wavelet algorithm based on zero tree structure is proposed in this paper.

SVD blind watermarking algorithm was proposed using a wavelet perceptual model, which was adaptive to the host image features.

An adaptive watermarking algorithm based on DCT field is proposed in this article.

The performance evaluation of 3D model watermarking is also studied.

The traditional watermarking techniques based on fractal coding is generally using 0, 1 sequence as the watermark.

Chapter 5 : Based on the C language transplantation digital watermarking algorithm code.

Such as linking many assemblies into one and watermarking your application with hidden information.

A new spatial domain watermarking algorithm based on JPEG image is developed.

In this paper, a novel fragile watermarking scheme based on HVS in DWT domain is proposed.

Research on theories and methods of digital watermarking in the fields of still images has been made in this dissertation.

G2. 2 supports recursive watermarking, which makes it even better.

It can avoid digital watermarking from destroying or losing in content adapting.

According to the HVS's characteristic, the watermarking embedding intensity is determined at the same time.

lastly, a novel image scrambling matrix and two kinds of new fragile watermarking algorithms based on chaos are proposed.

Finally, it proposes an example of audio watermarking based on MATLAB and DWT.

scanning a watermarking bitmap and converting the watermarking bitmap into a binary sequence;

A Watermarking Method Designation Used For Image Authentication

Digital Watermarking Techniques and its Applications for Copyright Protection of Multimedia Information from Network

Secure Watermarking System Capable of Resisting Invertibility and Inserter Attacks

A Summary to Algorithms of Digital Multimedia Information Hiding Technology and Its Applications of Digital Watermarking

Study of the Transform Domain Digital Image Watermarking Technology

Digital Watermarking Technique and its Applications in Packaging Anti-counterfeiting

Watermarking Capable of Identifying Embedding Order Based on an Arithmetic Mechanism

Quantization Watermarking Blind Extraction Algorithm Using Singular Value Decomposition

Research of an Image Watermarking Algorithm Using Wavelet Domain Quantization Noise Threshold

Color Images Watermarking Processing of Two-Dimension Discrete Wavelet Transform

Upper limit of embedded strength of transformation domain digital watermarking under invisible target of improved image fidelity constraint

Study on the Interpretation Attack of Digital Watermarking and Its Relating Characteristics

Current Research Situation and Its Application of Digital Watermarking Technique

FILA: Fine Tamper-Localization Scalability Authentication Watermarking

Watermarking detecting algorithm with geometric distortion resistance

Digital watermarking capacity and its optimization in Gaussian noise channels

sequentially writing binary watermarking sequences into the redundant bytes of the file;

Blind Watermarking Algorithm Applied to Secret Communication

sequentially reading the binary watermarking sequences by the watermark extraction unit;

Application of Normalized Geometric Transformation in Blind Image Watermarking Algorithm

Quantization Based Watermarking Robust to Geometric Transformations

Adaptive Public Watermarking for Digital Images with a Gray-Level Watermark

Digital Watermarking Technology and Its Application in Digital Library

A Multimedia Authentication System Combining Digital Signature and Digital Watermarking

Watermarking Algorithm Combined With Multiplicate Techniques of Image Processing

Digital Watermarking Technology in Multimedia Information Security

Lifting Wavelet Transform and Its Application in Digital Watermarking

The application of two-dimensional bar codes technology in digital watermarking

Digital Watermarking Technique and Its Design and Application in Mobile Station

Research on Blind Watermarking Embedding Algorithm with Replacing Middle Frequency Coefficients in DCT Domain

Application of Digital Watermarking Technology in Military Information Security

Sensitive Chaotic Fragile Watermarking Technique for Binary Images Verification

Optimal estimation of the embedding strength for the digital image watermarking

Content-based Adaptive Discrete Cosine Transform Domain Watermarking Algorithm for Remote Sensing Image

A Digital Watermarking based on Changing the Size of Character in the Word

reading the size of the watermarking bitmap by utilizing a watermark extraction unit;

Digital Watermarking against Counterfeit in Signature Application

Digital watermarking algorithm combining spread spectrum with image scrambling

Fragile Audio Watermarking Algorithm for Telltale Tamper Proofing and Authentication

The Determination of Adaptive Threshold for Digital Watermarking Oblivious Detection

An Adaptive Watermarking Scheme Utilizing Support Vector Machine for Synchronization

A robust audio watermarking algorithm using communications with side information mechanism

The Chaos Based Digital Text Watermarking Technology and its Application

Research and Implementation of Restorative Fragile Digital Watermarking

Research of a Novel Text Document Watermarking Algorithm