? Retrieving Aerial Scene Images with Learned Deep Image-Sketch Features
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Journal of Computer Science and Technology 2017, Vol. 32 Issue (4) :726-737    DOI: 10.1007/s11390-017-1754-7
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Retrieving Aerial Scene Images with Learned Deep Image-Sketch Features
Tian-Bi Jiang1,2, Gui-Song Xia1, Senior Member, IEEE, Member, CCF,Qi-Kai Lu2,*, Wei-Ming Shen1
1 State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University Wuhan 430079, China;
2 School of Electronic Information, Wuhan University, Wuhan 430072, China

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Abstract This paper investigates the problem of retrieving aerial scene images by using semantic sketches, since the state-of-the-art retrieval systems turn out to be invalid when there is no exemplar query aerial image available. However, due to the complex surface structures and huge variations of resolutions of aerial images, it is very challenging to retrieve aerial images with sketches and few studies have been devoted to this task. In this article, for the first time to our knowledge, we propose a framework to bridge the gap between sketches and aerial images. First, an aerial sketch-image database is collected, and the images and sketches it contains are augmented to various levels of details. We then train a multi-scale deep model by the new dataset. The fully-connected layers of the network in each scale are finally connected and used as cross-domain features, and the Euclidean distance is used to measure the cross-domain similarity between aerial images and sketches. Experiments on several commonly used aerial image datasets demonstrate the superiority of the proposed method compared with the traditional approaches.
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Keywordssketch   aerial image retrieval   multi scale   deep cross-domain model     
Received 2016-12-20;
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This work was supported by the National Natural Science Foundation of China under Grant Nos. 41501462 and 91338113.

Corresponding Authors: Qi-Kai Lu     Email: qikai_lu@whu.edu.cn
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Tian-Bi Jiang, Gui-Song Xia, Qi-Kai Lu, Wei-Ming Shen.Retrieving Aerial Scene Images with Learned Deep Image-Sketch Features[J]  Journal of Computer Science and Technology, 2017,V32(4): 726-737
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