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作者:

Li, Dejian (Li, Dejian.) | Feng, Xi (Feng, Xi.) | Shen, Chongfei (Shen, Chongfei.) | Chen, Qi (Chen, Qi.) | Yang, Lixin (Yang, Lixin.) | Qiu, Sihai (Qiu, Sihai.) | Jin, Xin (Jin, Xin.) | Liu, Meng (Liu, Meng.)

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EI Scopus SCIE

摘要:

This letter introduces a dedicated processor architecture, called MEGACORE, which leverages vector technology to enhance tracking performance in visual simultaneous localization and mapping (VSLAM) systems. By harnessing the inherent parallelism of vector processing and incorporating a floating point unit (FPU), MEGACORE achieves significant acceleration in the tracking task of VSLAM. Through careful optimizations, we achieved notable improvements compared to the baseline design. Our optimizations resulted in a 14.9% reduction in the area parameter and a 4.4% reduction in power consumption. Furthermore, by conducting application benchmarks, we determined that the average speedup ratio across all stages of the tracking process is 3.25. These findings highlight the effectiveness of MEGACORE in improving the efficiency and performance of VSLAM systems, making it a promising solution for real-world implementations in embedded systems.

关键词:

visual simultaneous localization and mapping (VSLAM) vector computer vision engine (VCVE) floating point unit (FPU) Dedicated processor architecture

作者机构:

  • [ 1 ] [Li, Dejian]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 2 ] [Feng, Xi]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 3 ] [Shen, Chongfei]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 4 ] [Chen, Qi]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 5 ] [Yang, Lixin]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 6 ] [Qiu, Sihai]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 7 ] [Jin, Xin]Beijing Smartchip Microelect Technol Co Ltd, Beijing 100192, Peoples R China
  • [ 8 ] [Li, Dejian]Tsinghua Univ, Sch Integrated Circuits, Beijing 100084, Peoples R China
  • [ 9 ] [Liu, Meng]Beijing Univ Technol, Fac Informat Technol, Beijing 100022, Peoples R China

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来源 :

IEEE EMBEDDED SYSTEMS LETTERS

ISSN: 1943-0663

年份: 2023

期: 4

卷: 15

页码: 182-185

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SCOPUS被引频次: 4

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