All three, Discrete Wavelet Transform (DWT) - Singular Value Decomposition (SVD) and Adaptive Tabu Search (ATS) have been used as mathematical tools for embedding data into an audio signal. In this paper, we present a new robust audio waterma

Abstrak Laporan ini mengusulkan suatu metoda pemberian signature untuk verifikasi penelepon dengan sistem kunci publik. Signature yang diberikan berasal dari keluaran fungsi Hash khusus yang dienkripi menggunakan RSA. Sinyal telepon yang ana

SCI论文，关于视频水印的算法，实验比较详细，推荐下载。-a robust watermarking algorithm for video copyright protection. The proposed algorithm is characterized by four key features.

Watermark A visible or invisible signature embedded inside an image to show authenticity or proof of ownership. The hidden watermark should be inseparable the host image, robust enough to resist any manipulations while preserving the image quality. T