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  1. No Access

    Article

    A robust dual color image blind watermarking scheme in the frequency domain

    Aiming at the problems that many watermarking schemes cannot adapt to the image copyright protection with large amount of information, and the copyright protection of color images faces severe challenges, this...

    Huanying Wang, **aojie Tian, Yu **a in Multimedia Tools and Applications (2024)

  2. No Access

    Article

    An improved blind watermarking method facing dual color images based on Hadamard transform

    This paper proposes a blind color image watermarking method based on Hadamard transform to deal with the infringement of color images in the complex network environment. First of all, the color watermark image...

    Siyu Chen, Qingtang Su, Huanying Wang, Gang Wang in Soft Computing (2023)

  3. No Access

    Article

    A color image watermarking method combined QR decomposition and spatial domain

    For protecting the digital copyright of color image, a color image watermarking method should have strong robustness and short running-time at same time. To achieve these two goals, an effective color image wa...

    Huanying Wang, Qingtang Su in Multimedia Tools and Applications (2022)

  4. No Access

    Article

    A high-efficiency blind watermarking algorithm for double color image using Walsh Hadamard transform

    This paper presents an efficient blind watermarking algorithm for double color images using Walsh Hadamard transform (WHT). In this algorithm, the energy gathering function of WHT and the strong correlation be...

    Siyu Chen, Qingtang Su, Huanying Wang, Gang Wang in The Visual Computer (2022)

  5. No Access

    Article

    A blind dual color images watermarking based on quaternion singular value decomposition

    With the rapid development of the Internet, the color digital image copyright protection is facing severe challenges. Simultaneously, the color digital images are often attacked by a variety of attacks. For pr...

    Yehan Sun, Qingtang Su, Huanying Wang, Gang Wang in Multimedia Tools and Applications (2022)

  6. No Access

    Article

    DCT-based color digital image blind watermarking method with variable steps

    In this paper, a blind watermarking method for color digital image based on DCT domain with variable steps is proposed to solve the copyright protection of color digital image. In this method, partial DCT coef...

    Zihan Yuan, Decheng Liu, Xueting Zhang, Huanying Wang… in Multimedia Tools and Applications (2020)

  7. No Access

    Article

    A combined domain watermarking algorithm of color image

    At present, some watermarking techniques have been proposed to protect the copyright of image either in frequency domain or in spatial domain. Designing a combined-domain watermarking algorithm is a difficult ...

    Qingtang Su, Huanying Wang, DeCheng Liu, Zihan Yuan… in Multimedia Tools and Applications (2020)

  8. No Access

    Article

    A study of phosphate adsorption by different temperature treated hydrous cerium oxides

    An alkaline precipitation method was introduced to produce hydrous cerium oxides. The prepared powder was characterized by Brunauer-Emmett-Teller (BET) nitrogen adsorption-desorption, X-ray diffraction (XRD), ...

    Huichao Guo, Wenjun Li, Huanying Wang, **ghua Zhang, Yang Liu, Yue Zhou in Rare Metals (2011)