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... our experiments we used two approaches for designing engine of the embedded watermark into the image, the first one used DCT and the other one is the DWT, to make a compression between these two transformation type and choose the better method. For doing this we used four standard color images as a cover image with dimension 512 × 512 (Table 1), and one color logo as an invisible watermark with dimension 100 × 100, these image is shown in Figure 3 [10,11]. ...