DCT-Based Steganography for Grayscale Images with Histogram Analysis

Introduction Digital steganography involves concealing information with in carrier media such as images. This approach employs Discrete Cosine Transform (DCT) block processing combined with histogram equalization to embed data into grayscale images while maintaining visual quality and robustness. Methodology The proposed technique follows these ...

Posted on Sun, 13 Sep 2026 16:22:36 +0000 by Saeven