Work-in-Progress: Object Detection Acceleration Method by Improving Execution Efficiency of AI Device

Yoshikazu Watanabe, Yuki Kobayashi, N. Nakajima, Takashi Takenaka, Hiroyoshi Miyano
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Abstract

In recent years, there has been a growing need to perform object detection at the edge. Since the edge environment has tight physical constraints, the efficient use of AI devices is a key challenge to execute object detection at high throughput. In this paper, we propose an object detection acceleration method which uses two types of one-stage detectors in combination. After detecting object candidates by a lightweight detector, the method generates aggregated images by combining the candidate images and executes the second more accurate detector on the aggregated images to improve execution efficiency of AI devices. Our evaluations confirmed that the proposed method can speed up object detection by up to eight times for a license plate detection task with almost no accuracy degradation. We conducted evaluations with a car detection task and a pose estimation task as well and confirmed the broad applicability of the proposed method.
正在进行的:提高AI设备执行效率的目标检测加速方法
近年来,在边缘进行目标检测的需求越来越大。由于边缘环境具有严格的物理限制,因此高效使用人工智能设备是高吞吐量执行目标检测的关键挑战。本文提出了一种将两类单级检测器组合使用的目标检测加速方法。该方法通过轻量级检测器检测候选对象后,将候选图像组合生成聚合图像,并在聚合图像上执行第二个更精确的检测器,以提高AI设备的执行效率。我们的评估证实,所提出的方法可以在几乎没有精度下降的情况下,将车牌检测任务的目标检测速度提高8倍。我们用一个汽车检测任务和一个姿态估计任务进行了评估,并证实了所提出方法的广泛适用性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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