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    Lai-Man Po and  Chi-Wang Ting and  Ka-Ho Ng,  New Enhanced Hexagon-Based Search Using Point-Oriented Inner Search for Fast Block Motion Estimation.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2007, vol. 6(6). 892 - 896
    [viewed 28 March 2024]. Available from: https://publications.waset.org/pdf/3472.