Object Detection Based on Fast/Faster RCNN Employing Fully Convolutional Architectures

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Abstract

Modern object detectors always include two major parts: a feature extractor and a feature classifier as same as traditional object detectors. The deeper and wider convolutional architectures are adopted as the feature extractor at present. However, many notable object detection systems such as Fast/Faster RCNN only consider simple fully connected layers as the feature classifier. In this paper, we declare that it is beneficial for the detection performance to elaboratively design deep convolutional networks (ConvNets) of various depths for feature classification, especially using the fully convolutional architectures. In addition, this paper also demonstrates how to employ the fully convolutional architectures in the Fast/Faster RCNN. Experimental results show that a classifier based on convolutional layer is more effective for object detection than that based on fully connected layer and that the better detection performance can be achieved by employing deeper ConvNets as the feature classifier.

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Ren, Y., Zhu, C., & Xiao, S. (2018). Object Detection Based on Fast/Faster RCNN Employing Fully Convolutional Architectures. Mathematical Problems in Engineering, 2018. https://doi.org/10.1155/2018/3598316

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