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- This paper proposes a new effective digital watermarking method that accepts JPEG lossy compression on the watermarked image to a pre-determined quality factor,and rejects malicious attacks. 该文提出了一种新的有效的抗jpeg压缩的水印算法,对嵌入水印的图像做jpeg压缩,提取水印仍能保证很好的稳健性,并能抵抗一些常见的攻击。
- digital watermark image 数字水印图像
- The digital watermark is to prevent pirating. 数码水印图案是用来防止盗版的。
- With the digital watermark technology, the embedding of digital watermark usually has influence to the target image quality in varying degrees. 摘要在数字水印技术中，将数字水印嵌入到原始图像的过程，通常会对目标图像的质量产生不同程度的影响。
- Two kinds of digital watermark methods about image based on DCT and DWT in frequency domain were mainly researched in this article. 本文主要研究了变换域中基于DCT和DWT的两种图像数字水印方法。
- Digital watermark is the most active of the hiding technologies. 数字水印技术是当前信息隐藏技术研究最为活跃的一个分支。
- CAJ digital watermark in information security applications. CAJ数字水印在信息安全中的应用.
- Least significant bit LSB algorithm, is to take advantage of this point, to achieve image compression, or digital watermark feature. 最低有效位LSB算法，就是利用这一点，达到图像压缩，或者数字水印的功能。
- Seeingthat image compress field at present, JPEG2000 have an extensive application prospect, this textpropose one image digital watermark technology based on JPEG2000 standard. 鉴于目前在图像压缩领域,JPEG2000有着广泛的应用前景,本文提出一种基于JPEG2000标准的图像数字水印技术。
- A kind of digital watermark method about image based on DWT was realized in this paper, combining the JPEG2000 which a new image compression standard and HVS. 论文结合新的图像压缩标准JPEG2000和HVS理论，实现了一种基于DWT的图像数字水印方法。
- The experiments prove that the digital watermark algorithm is invisible and robust against the original image process methods such as crop,noise and filtering etc. 通过实验说明给出的彩色图像数字水印技术算法对常用的图像处理如剪切、加噪和滤波等攻击具有较好的鲁棒性、不可见性。
- The selection of the coefficients is based on the RLE of the binary watermark image and the key K2. 检测时，根据游程码值和小波系数变化幅度两个原则检测水印信息。
- Digital watermark is a key research direction of information hiding technology. 数字水印是信息隐藏技术的一个重要研究方向。
- This paper presents a novel blind grayscale digital watermark algorithm. 摘要提出一种新的盲灰度级水印算法。
- Utilize Y component of YUV color space to embed the watermark, calculated HVS. embed the encrypting watermark image transformed by the JPEG encodes to significant coefficient. 利用彩色图像的YUV色彩空间的Y分量嵌入水印。
- As the Zernike magnitude moments of a normalized image are RST invariant,the watermark image is embedded into the local area of the original image after reconstruction. 几何攻击能极大地破坏水印检测的同步性,微小的几何攻击就可能使得水印检测失败。
- A Digital Watermarking Algorithms Base. 一种脊波域数字水印算法。
- R.G. van Schyndel, A. Z. Tirkel, and C.F. Osborne, "A Digital Watermark", The IEEE International Conference on Image Processing, Austin, Texas, USA, Vol. 2, pp.86-90, Nov. 13-16, 1994. 张真诚、黄国峰、陈同孝，电子影像技术，旗标出版股份有限公司，台北，民92，2月。
- Considering the character of human visual system (HVS) and the actual demand in information protection,this paper describes a method to embed a digital watermark into a digital image in the spatial domain. 根据著作权、版权保护的实际需要 ;结合人眼视觉系统的有关特性 ;探讨了数字图像中数字水印的加入与提取方法 .
- It used Arnold transformation to encrypt the watermark image,then inserted the watermark image into the important coefficients from different orientations of the wavelet transformation. 利用Arnold置换方法对水印图像进行保密处理,再根据提出的数字水印算法,将水印图像嵌入到小波变换的不同方位的重要系数当中。
