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  1. No Access

    Article

    A personalized insertion centers preoperative positioning method for minimally invasive surgery of cruciate ligament reconstruction

    In the surgery of knee cruciate ligament repair, how to accurately and personalized obtain cruciate ligament insertion centers is the key issue and a great challenge for surgeons. Current artificial judgment i...

    Hui Liu, Pengxi Li, Dongpei Liu, Bocheng Zhang, Jieshu Ren… in The Visual Computer (2024)

  2. No Access

    Article

    Computationally Efficient Architecture for Accurate Frequency Estimation with Fourier Interpolation

    A simplified DFT-based algorithm and its VLSI implementation for accurate frequency estimation of single-tone complex sinusoid signal are investigated. The proposed algorithm estimates frequency by interpolati...

    Dongpei Liu, Hengzhu Liu, Li Zhou… in Circuits, Systems, and Signal Processing (2014)

  3. No Access

    Chapter and Conference Paper

    Enhanced Implementation of Max ∗  Operator for Turbo Decoding

    Max ∗  operator is the kernel operation in MAP decoding. An intuitive approximation to the correction term of max ∗  operator is presented. The binary-tree based architecture for multi-variable max ∗  calculation...

    Dongpei Liu, Hengzhu Liu, Li Zhou in Mobile, Ubiquitous, and Intelligent Computing (2014)

  4. No Access

    Chapter and Conference Paper

    Map** Loops onto Coarse-Grained Reconfigurable Array Using Genetic Algorithm

    Coarse-grained reconfigurable array (CGRA) is a competitive hardware platform for computation intensive tasks in many application domains. The performance of CGRA heavily depends on the map** algorithm which...

    Li Zhou, Dongpei Liu, Min Tang, Hengzhu Liu in Proceedings of The Eighth International Co… (2013)

  5. No Access

    Chapter and Conference Paper

    A Novel CGRA Architecture and Map** Algorithm for Application Acceleration

    Coarse grained reconfigurable array (CGRA) is an architecture which offers hardware like high performance and software like flexibility. The two characteristics make CGRA an effective candidate for computation...

    Li Zhou, Hengzhu Liu, Dongpei Liu in Computer Engineering and Technology (2013)

  6. No Access

    Chapter and Conference Paper

    Ant Colony Optimization for Application Map** in Coarse-Grained Reconfigurable Array

    Coarse-grained reconfigurable array (CGRA) is an efficient architecture in digital signal processing domain. It is one of the best candidate architectures to exploit instruction level and loop level parallelis...

    Li Zhou, Dongpei Liu, Botao Zhang… in Reconfigurable Computing: Architectures, T… (2013)

  7. No Access

    Chapter and Conference Paper

    VLSI Design of a Hardware Efficient FFT Processor

    This paper presents a CORDIC-based radix-4 FFT processor, which adopts an improved conflict-free parallel memory access scheme and the pipelined CORDIC architecture. By generating the twiddle factor correctly,...

    Dongpei Liu, Hengzhu Liu, Jianfeng Zhang… in Future Information Technology, Application… (2012)