DOI: 10.1109/acssc.2004.1399491
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Abstract: Real-time image rotation forms a core operation in many applications such as medical image processing, computer graphics and pattern recognition. Conventional rotation engines usually comprise of compute-intensive CORDIC operations that become a severe bottleneck in high-throughput applications. In this paper, we present a novel scheme that employs hierarchical computation strategies, exploits the symmetrical characteristics of the image, and performs successive pixel computations at high-speed to achieve hig…

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