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Benefit from the OpenCL (Open Computing Language), applications can be easily transplanted among different GPUs, multi-core CPUs, and other processors. In this paper, we present implementation of AES finalists (Rijndael, Serpent, Twofish) in XTS mode, based on OpenCL. Benchmark testing is performed on 4 mainstream GPUs and multi-core CPUs. The results are(More)
In this paper, a multi-QR codes extraction method in illegible images is proposed. This method utilizes the contour tracing and corner detection technique for identification of key corner points, and then locates the potential code region by the finder pattern. The timing patterns are used to confirm a real code region. Moreover, image pre-processing(More)
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