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In this paper a novel approach to embed watermark into the host image usingquantization with the help of Dynamic Fuzzy Inference System (DFIS) isproposed. The cover image is decomposed up to 3- levels using quantization andDiscrete Wavelet Transform (DWT). A bitmap of size 64x64 pixels is embeddedinto the host image using DFIS rule base. The DFIS is utilized to generate thewatermark weighting function to embed the imperceptible watermark. Theimplemented watermarking algorithm is imperceptible and robust to some normalattacks such as JPEG Compression, salt&pepper noise, median filtering, rotationand cropping.  Keywords: Watermark, Quantization, Dynamic Fuzzy Inference System,Imperceptible, Robust, JPEG Compression, Cropping.

The Robust Digital Image Watermarking using Quantization and Fuzzy Logic Approach in DWT Domain