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Digital watermarking system is a paramount for safeguarding valuable resources and information. Digital watermarks are generally imperceptible to the human eye and ear. Digital watermark can be used in video, audio and digital images for a…

Cryptography and Security · Computer Science 2012-05-30 Md. Selim Reza , Mohammed Shafiul Alam Khan , Md. Golam Robiul Alam , Serajul Islam

In image compression, classical block-based separable transforms tend to be inefficient when image blocks contain arbitrarily shaped discontinuities. For this reason, transforms incorporating directional information are an appealing…

Information Theory · Computer Science 2018-10-24 Giulia Fracastoro , Sophie Marie Fosson , Enrico Magli

This paper proposes an oblivious watermarking algorithm with blind detection approach for high volume data hiding in image signals. We present a detection reliable signal adaptive embedding scheme for multiple messages in selective…

Cryptography and Security · Computer Science 2012-07-12 T. S. Das , V. H. Mankar , S. K. Sarkar

In this paper, a data hiding scheme ready for Internet applications is proposed. An existing scheme based on chaotic iterations is improved, to respond to some major Internet security concerns, such as digital rights management,…

Multimedia · Computer Science 2017-08-22 Christophe Guyeux , Jacques M. Bahi

In unsecured network environments, ownership protection of digital contents, such as images, is becoming a growing concern. Different watermarking methods have been proposed to address the copyright protection of digital materials.…

Multimedia · Computer Science 2020-04-08 Mahsa Kadkhodaei , Shadrokh Samavi

In this paper, a new approach for constructing integer domain chaotic systems (IDCS) is proposed, and its chaotic behavior is mathematically proven according to the Devaney's definition of chaos. Furthermore, an analog-digital hybrid…

Chaotic Dynamics · Physics 2016-08-31 Qianxue Wang , Simin Yu , Christophe Guyeux , Jacques Bahi , Xiaole Fang

This paper explores a novel dynamic network for vision and language tasks, where the inferring structure is customized on the fly for different inputs. Most previous state-of-the-art approaches are static and hand-crafted networks, which…

Computer Vision and Pattern Recognition · Computer Science 2024-06-04 Yiwei Ma , Jiayi Ji , Xiaoshuai Sun , Yiyi Zhou , Xiaopeng Hong , Yongjian Wu , Rongrong Ji

The proliferation of digital media necessitates robust methods for copyright protection and content authentication. This paper presents a comprehensive comparative study of digital image watermarking techniques implemented using the spatial…

Multimedia · Computer Science 2025-11-14 Rizal Khoirul Anam

Compressing the sign information of discrete cosine transform (DCT) coefficients is an intractable problem in image coding schemes due to the equiprobable characteristics of the signs. To overcome this difficulty, we propose an efficient…

Information Theory · Computer Science 2024-05-13 Kei Suzuki , Chihiro Tsutake , Keita Takahashi , Toshiaki Fujii

In this paper, an efficiently DWT-based watermarking technique is proposed to embed signatures in images to attest the owner identification and discourage the unauthorized copying. This paper deals with a fuzzy inference filter to choose…

Multimedia · Computer Science 2010-07-30 Ming-Shing Hsieh

This paper is allocated to CDMA digital images watermarking for ownership verification and image authentication applications, which for more security, watermark W is converted to a sequence and then a random binary sequence R of size n is…

Cryptography and Security · Computer Science 2012-06-20 Mehdi Khalili

Deep neural network (DNN) watermarking is a suitable method for protecting the ownership of deep learning (DL) models. It secretly embeds an identifier (watermark) within the model, which can be retrieved by the owner to prove ownership. In…

Cryptography and Security · Computer Science 2025-05-20 Reda Bellafqira , Gouenou Coatrieux

The discrete cosine transform (DCT) is a relevant tool in signal processing applications, mainly known for its good decorrelation properties. Current image and video coding standards -- such as JPEG and HEVC -- adopt the DCT as a…

Image and Video Processing · Electrical Eng. & Systems 2022-12-09 T. L. T. da Silveira , D. R. Canterle , D. F. G. Coelho , V. A. Coutinho , F. M. Bayer , R. J. Cintra

The availability and easy access to digital communication increase the risk of copyrighted material piracy. In order to detect illegal use or distribution of data, digital watermarking has been proposed as a suitable tool. It protects the…

Computer Vision and Pattern Recognition · Computer Science 2019-10-04 Bingyang Wen , Sergul Aydore

Current image watermarking technologies are predominantly categorized into text watermarking techniques and image steganography; however, few methods can simultaneously handle text and image-based watermark data, which limits their…

Multimedia · Computer Science 2025-06-03 ZhongLi Fang , Yu Xie , Ping Chen

Watermarking of deep neural networks (DNNs) has gained significant traction in recent years, with numerous (watermarking) strategies being proposed as mechanisms that can help verify the ownership of a DNN in scenarios where these models…

Cryptography and Security · Computer Science 2024-06-04 Giulio Pagnotta , Dorjan Hitaj , Briland Hitaj , Fernando Perez-Cruz , Luigi V. Mancini

Current region feature-based image captioning methods have progressed rapidly and achieved remarkable performance. However, they are still prone to generating irrelevant descriptions due to the lack of contextual information and the…

Computer Vision and Pattern Recognition · Computer Science 2026-01-21 Jun Wan , Jun Liu , Zhihui lai , Jie Zhou

Efficient and reliable detection of generated images is critical for the responsible deployment of generative models. Existing approaches primarily focus on improving detection accuracy and robustness under various image transformations and…

Distributed, Parallel, and Cluster Computing · Computer Science 2025-12-15 Xinrui Zhong , Xinze Feng , Jingwei Zuo , Fanjiang Ye , Yi Mu , Junfeng Guo , Heng Huang , Myungjin Lee , Yuke Wang

Knowledge graphs (KGs) are ubiquitous in numerous real-world applications, and watermarking facilitates protecting intellectual property and preventing potential harm from AI-generated content. Existing watermarking methods mainly focus on…

Cryptography and Security · Computer Science 2025-06-18 Hongrui Peng , Haolang Lu , Yuanlong Yu , Weiye Fu , Kun Wang , Guoshun Nan

In this paper a new approach to image watermarking in wavelet domain is presented. The idea is to hide the watermark data in blocks of the block segmented image. Two schemes are presented based on this idea by embedding the watermark data…

Information Theory · Computer Science 2010-01-05 Hamed Dehghan , S. Ebrahim Safavi