Salient object detection with image-level binary supervision

doi:10.1016/j.patcog.2022.108782

Salient object detection with image-level binary supervision

2022-09-01

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DOI：10.1016/j.patcog.2022.108782

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Recent deep learning based salient object detection (SOD) methods have achieved impressive performance. However, while fully-supervised methods require a large amount of labeled data, weakly supervised methods still require a considerable human effort. To address this problem, we propose a novel weakly-supervised method for salient object detection based on only binary image tags, which are much cheaper to collect. Our basic idea is to construct a dataset of images that are labeled as either salient (with salient objects) or non-salient (without salient objects), and leverage such binary labels as supervision to learn a salient object detector based on existing unsupervised methods. In particular, we propose a target saliency map hallucinator, which can synthesize pseudo ground truth saliency maps for the salient images in the training data solely from binary labels. We can then use the pseudo ground truth labels to train a salient object detector. Experimental results show that our method performs comparably to the state-of-the-art weakly-supervised methods, but requires considerably less human supervision.(c) 2022 Published by Elsevier Ltd.

Keywords:

Weak supervision

Salient object detection

Binary labels

Salient object detection with image-level binary supervision

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