Abstract

In this letter, we explore the detection of people with camouflage pattern in cluttered natural scenes. First, considering the lack of open evaluation and training data on camouflaged people detection, a specific dataset of camouflaged people in natural scenes is constructed by us for the first time to the best of our knowledge. Secon, due to the serious corruption of the discrimination of low-level features by the camouflage patterns and cluttered background, we extract the high-level semantic features in deep convolution network and introduce short connections in deconvolution phase, to construct the dense deconvolution network. In training procedure, we augment and shift the images of camouflaged people to generate the proper training data. Attributing to the usage and fusion of semantic information, the proposed network effectively labels the camouflaged people regions as a whole. Finally, we use the superpixel segmentation and spatial smoothness constraint for further improvement of the detection result. Experimental results demonstrate that the proposed method outperforms the classical camouflaged object detection method and typical CNN-based detection methods.

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