18 April 2018 Semiautomatic right-angle building extraction from very high-resolution aerial images using graph cuts with star shape constraint and regularization
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Abstract
This paper proposes a method of semiautomatic right-angle building extraction from very high resolution (VHR) aerial images, based on graph cuts with star shape constraint and regularization. In the proposed method, first, the image block containing the target building is obtained by a seed line from humans. Next, the image block is preprocessed by bilateral filtering and then the simple linear iterative clustering oversegmentation method was used to segment the image into small regions. Then regions that contain the pixels belonging to the seed line are merged as the foreground area, and the background area is automatically composed by annular regions near the imagery boundary. With the obtained foreground and background areas, the graph cuts model with the star shape prior is used to acquire the building object. Finally, we defined a method of detecting the building orientation and proposed a regularizing building method based on the corners and the building orientation. The experiments performed on two VHR aerial images demonstrate the accuracy and stability of the proposed method.
© 2018 Society of Photo-Optical Instrumentation Engineers (SPIE)
Chunsen Zhang, Chunsen Zhang, Yan Hu, Yan Hu, WeiHong Cui, WeiHong Cui, } "Semiautomatic right-angle building extraction from very high-resolution aerial images using graph cuts with star shape constraint and regularization," Journal of Applied Remote Sensing 12(2), 026005 (18 April 2018). https://doi.org/10.1117/1.JRS.12.026005 . Submission: Received: 7 September 2017; Accepted: 28 March 2018
Received: 7 September 2017; Accepted: 28 March 2018; Published: 18 April 2018
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