计算机科学
人工智能
分割
突出
计算机视觉
边界(拓扑)
对象(语法)
图像分割
水准点(测量)
目标检测
模式识别(心理学)
数学
地理
大地测量学
数学分析
作者
Zixuan Chen,Huajun Zhou,Jianhuang Lai,Lingxiao Yang,Xiaohua Xie
出处
期刊:IEEE transactions on image processing
[Institute of Electrical and Electronics Engineers]
日期:2020-11-17
卷期号:30: 431-443
被引量:79
标识
DOI:10.1109/tip.2020.3037536
摘要
We present a learning model that makes full use of boundary information for salient object segmentation. Specifically, we come up with a novel loss function, i.e., Contour Loss, which leverages object contours to guide models to perceive salient object boundaries. Such a boundary-aware network can learn boundary-wise distinctions between salient objects and background, hence effectively facilitating the salient object segmentation. Yet the Contour Loss emphasizes the boundaries to capture the contextual details in the local range. We further propose the hierarchical global attention module (HGAM), which forces the model hierarchically to attend to global contexts, thus captures the global visual saliency. Comprehensive experiments on six benchmark datasets show that our method achieves superior performance over state-of-the-art ones. Moreover, our model has a real-time speed of 26 fps on a TITAN X GPU.
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