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Design of DCT_2D toward FPGA

Abstract : Long term objective is to conceive a system on chip of the JPEG coding chain. This article presents the VHDL specification, simulation and also synthesis results, of the two-dimensional discrete cosine transform DCT_2D, which constitutes the first block of the JPEG chain. For that, we kept LOEFLER's algorithm which is the best for the DCT implementation, according to a comparison with other architectures. And we targeted the FPGAs as integration technology. Besides, seeing that the DCT is separable as transformation, the two-dimensional discrete cosine transform (DCT_2D) can be formed by two one-dimensional discrete cosine transform (DCT_1D).
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Rostom Kachouri, Mohamed Abid, Chokri Ben Amar. Design of DCT_2D toward FPGA. First IEEE International Symposium on Control, Communications and Signal Processing, ISCCSP’04, Mar 2004, Hammamet, Tunisia. ⟨10.1109/ISCCSP.2004.1296511⟩. ⟨hal-01310007⟩



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