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In this paper we have proposed a new image watermarking technique which consists in applying the Singular Values Decomposition (SVD) in LWT domain in order to insert the watermark image in the cover image. This technique also use signature in the embedding and extraction procedure. The obtained results from the application of the proposed technique on a number of images show clearly that this technique...
In this work we propose a new image watermarking approach using data modulation. This technique consists at first step in getting the first color in case of RGB image which is a two dimensional matrix. Then the Discrete Cosine Transform (DCT) is applied to that matrix and the Watermark signal is inserted into the DCT values. This Watermark signal is obtained after amplitude modulation of the original...
In this paper we propose a new image watermarking technique using data compression. This technique consists at first step in getting the first color in case of RGB image and obtaining a two dimensional matrix. Then the 2-D lifting wavelet transform (LWT2) (Sema KAYHAN, Ergun ERçELEB, 2011), is applied to this two dimensional matrix or image in order to have four sub-images, cA1, cH 1, cV1 and cD 1...
In this paper, we propose a new technique of Electrocardiogram (ECG) signal de-noising based on thresholding of the coefficients obtained from the application of the Forward Wavelet Transform Translation Invariant (FWT_TI) to each Bionic Wavelet coefficient. The De-noise De-noised ECG is obtained from the application of the inverse of BWT (BWT−1) to the de-noise de-noised bionic wavelet coefficients...
In this paper, we have proposed a new technique of Arabic Speech Recognition (ASR) with monolocutor and a reduced vocabulary. This technique consists at first step in using our proper speech database containing Arabic speech words which are recorded by a mono-locutor. The second step consists in features extracting from those recorded words. The third step is to classify those extracted features....
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