Abdessalem Ben Abdelali

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This paper presents a novel watermarking method, applied to the medical imaging domain, used to embed the patient's data into the corresponding image or set of images used for the diagnosis. The main objective behind the proposed technique is to perform the watermarking of the medical images in such a way that the three main attributes of the hidden(More)
In this paper, we propose a hardware architecture to implement a RGB to HMMD Color space converter. This converter presents a fundamental module for the color structure descriptor (CSD) extraction. The CSD provides a high satisfactory image indexing and retrieval results among all MPEG-7color-based descriptors, but the real time implementation of this(More)
This paper presents a hardware module design for the forward Binary Discrete Cosine Transform (BinDCT) and its implementation on a field programmable gate array device. Different architectures of the BinDCT module were explored to ensure the maximum efficiency. The elaboration of these architectures included architectural design, timing and pipeline(More)
The Discrete Cosine Transform (DCT) is the most widely used transform for image compression. The DCT approximation or the Binary Discrete Transform (BinDCT) [1] has shown to be a promising alternative to the DCT for its implementation simplicity, close performance and compatibility to the DCT. In this paper, we aim to present efficient VLSI architectures(More)
In this paper, we propose a reconfigurable architecture for discrete cosine transform (DCT) computation. The objective of the paper is to integrate the DCT computation in a complete embedded system based on ARM processors. Based on dynamic partial reconfigurable FPGAs, different versions of DCT computation are used to give adaptability and flexibility to(More)
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