Shadow extraction of building using fusion of edge and point feature orientation from high resolution satellite imagery

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Yousefiyan Farzane; EBADI HAMID; SEDAGHAT AMIN

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Journal: ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY Year:2018 | Volume:6 | Issue:3 Page(s): 115-137

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Title

Shadow extraction of building using fusion of edge and point feature orientation from high resolution satellite imagery

Author(s)

Yousefiyan Farzane | EBADI HAMID | SEDAGHAT AMIN | Issue Writer Certificate

Keywords

Main OrientationQ1

Edge DetectionQ1

Shadow DetectionQ1

FusionQ1

Point Local FeatureQ1

Abstract

Shadow Detection is an important preprocessing step in many applications of remote sensing, particularly in high resolution images. Shadow represents information about the shape, relative position and direction of the object and in urban environments occupy a significant portion of the image. Shadow can have positive and negative effects in objects interpretation. Shadows can be regarded as a type of useful information in building position recognition and height estimation. Researchers have presented model-based methods, property-based methods and based on index to Shadow Detection. In this research, we use local feature to identify the shadow of buildings in order to detect building position recognition. After Point Local Feature extraction, we estimate their orientation. Orientation histogram calculate and due to the perpendicular edges of different buildings can extract Main Orientations. Edge map definition, which emphasizes edges only in the Main Orientations and dilate in the Main Orientations. This improved edge map is fused with initial shadow features. Edges are used to detect shadow of building and remove shadows that are not for the building. The proposed method was performed on four high-resolution image. Ground reference data obtained manually and Recall, precision and F-score, in best situation, respectively 90. 1, 88. 86 and 89. 48 indicate the efficiency and proper performance of the proposed method.

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APA: Copy

Yousefiyan, Farzane, EBADI, HAMID, & SEDAGHAT, AMIN. (2018). Shadow extraction of building using fusion of edge and point feature orientation from high resolution satellite imagery. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, 6(3 ), 115-137. SID. https://sid.ir/paper/230075/en

Vancouver: Copy

Yousefiyan Farzane, EBADI HAMID, SEDAGHAT AMIN. Shadow extraction of building using fusion of edge and point feature orientation from high resolution satellite imagery. ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY[Internet]. 2018;6(3 ):115-137. Available from: https://sid.ir/paper/230075/en

IEEE: Copy

Farzane Yousefiyan, HAMID EBADI, and AMIN SEDAGHAT, “Shadow extraction of building using fusion of edge and point feature orientation from high resolution satellite imagery,” ENGINEERING JOURNAL OF GEOSPATIAL INFORMATION TECHNOLOGY, vol. 6, no. 3 , pp. 115–137, 2018, [Online]. Available: https://sid.ir/paper/230075/en

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