Fusing Deep Dilated Convolutions Network and Light-Weight Network for Object Detection
QUAN Yu1, LI Zhi-xin1, ZHANG Can-long1, MA Hui-fang1,2
1. Guangxi Key Lab of Multi-source Information Mining and Security, Guangxi Normal University, Guilin, Guangxi 541004, China;
2. College of Computer Science and Engineering, Northwest Normal University, Lanzhou, Gansu 730070, China
Abstract：Object detection is an important research direction in the field of computer vision.In recent years, object detection has made great advances in public datasets, and there are also breakthroughs in algorithmic performance.In order to improve the accuracy and speed performance of two-stage object detection, this paper proposes a detection model based on transfer learning method that fuses the deep dilated convolutions network and the light-weight network.First, the dilated convolutions network is used to replace the convolutional residual module in the backbone network, namely deep dilated convolution network(D_dNet-65).Then, by compressing the pretrained feature map and adding an 81-class fully connected layer to replace the original two layers, namely light-weight network.Finally, the transfer learning method is introduced in the pretraining to optimize the model (D_dNet and light-weight network).The experiment was carried out on a typical data set, MSCOCO and VOC07.And the experiment shows that the method proposed in this paper has good effectiveness and scalability.
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2020, Vol. 48 
