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One For All: A Mutual Enhancement Method for Object Detection and Semantic Segmentation

School of Instrument Science and Engineering, Southeast University, Nanjing 210096, China
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Appl. Sci. 2020, 10(1), 13; https://doi.org/10.3390/app10010013
Received: 11 November 2019 / Revised: 8 December 2019 / Accepted: 13 December 2019 / Published: 18 December 2019
(This article belongs to the Section Computing and Artificial Intelligence)
Generally, most approaches using methods such as cropping, rotating, and flipping achieve more data to train models for improving the accuracy of detection and segmentation. However, due to the difficulties of labeling such data especially semantic segmentation data, those traditional data augmentation methodologies cannot help a lot when the training set is really limited. In this paper, a model named OFA-Net (One For All Network) is proposed to combine object detection and semantic segmentation tasks. Meanwhile, using a strategy called “1-N Alternation” to train the OFA-Net model, which can make a fusion of features from detection and segmentation data. The results show that object detection data can be recruited to better the segmentation accuracy performance, and furthermore, segmentation data assist a lot to enhance the confidence of predictions for object detection. Finally, the OFA-Net model is trained without traditional data augmentation methodologies and tested on the KITTI test server. The model works well on the KITTI Road Segmentation challenge and can do a good job on the object detection task. View Full-Text
Keywords: “1-N Alternation” strategy; OFA-Net; object detection; segmentation; feature fusion “1-N Alternation” strategy; OFA-Net; object detection; segmentation; feature fusion
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Zhang, S.; Zhang, Z.; Sun, L.; Qin, W. One For All: A Mutual Enhancement Method for Object Detection and Semantic Segmentation. Appl. Sci. 2020, 10, 13.

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