Digital Watermarking Program Based on DCT Algorithm
A MATLAB-implemented digital watermarking application utilizing DCT transformation for embedding watermarks into images through frequency-domain processing
Compression Processing of Wavelet Transform-Based Watermarked Host Images and Extraction of Grayscale Watermark
This process involves compressing a host image embedded with a watermark using wavelet transform techniques, followed by the extraction of the grayscale watermark from the compressed image. The implementation typically includes wavelet decomposition coefficients manipulation, quantization steps for compression, and inverse transformations for watermark recovery.
MATLAB Implementation of Digital Watermarking Techniques
Reference code for digital watermarking featuring checksum, LSB (Least Significant Bit), and patchwork embedding methods, including SNR calculation and watermark removal implementation with algorithm explanations
Wavelet Transform-Based Audio Watermarking
This MATLAB implementation demonstrates audio watermarking using wavelet transform, employing a three-segment energy relationship approach for watermark embedding. The program provides practical code examples for researchers studying digital watermarking techniques, featuring wavelet decomposition, energy calculation algorithms, and embedding logic.
Digital Blind Watermark Based on Wavelet Transform and Attack Detection on Watermarked Images
Digital Blind Watermark Using Wavelet Transform and Detection of Attacks on Watermarked Images
Audio Watermark Embedding Program with BCH Encoding
This program implements BCH-encoded audio watermarking by embedding watermark information into encoded audio signals for content protection and authentication
LSB Digital Watermarking Algorithm Implementation
A MATLAB-implemented LSB-based digital watermarking algorithm that embeds binary image watermarks into BMP grayscale images. The watermark is expanded to match the original image size and repeatedly embedded for enhanced robustness. The algorithm includes PSNR calculation for evaluating watermarking quality and provides code-level implementation details.