Comparing FPGA and GPU Performance for an Image Watermarking Algorithm

Comparing FPGA and GPU Performance for an Image Watermarking Algorithm

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Image watermarking in DCT domain has a high computational complexity especially for color and high resolution images, where usage of them has been significantly grown. To address this issue, a DCT watermarking algorithm for color images is selected and modified, to implement on FPGA and GPU, reducing execution time. For this, a hardware watermarking system is proposed to implement on FPGA and a data-parallel watermarking algorithm is proposed to implement on the GPU. To implement on FPGA, a new hardware architecture for inner product calculation is proposed and used in DCT and color space tran...