Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/20336
Title: Utilizing multiple subpixel shifted images in subpixel mapping with image interpolation
Authors: Wang, Q
Shi, W 
Keywords: Image interpolation
Remote sensing
Subpixel mapping (SPM)
Subpixel shifted images
Superresolution mapping
Issue Date: 2014
Publisher: Institute of Electrical and Electronics Engineers
Source: IEEE geoscience and remote sensing letters, 2014, v. 11, no. 4, 6594805, p. 798-802 How to cite?
Journal: IEEE geoscience and remote sensing letters 
Abstract: In this letter, multiple subpixel shifted images (MSIs) were utilized to increase the accuracy of subpixel mapping (SPM), based on the fast bilinear and bicubic interpolation. First, each coarse spatial resolution image of MSI is soft classified to obtain class fraction images. Using bilinear or bicubic interpolation, all fraction images of MSI are upsampled to the desired fine spatial resolution. The multiple fine spatial resolution images for each class are then integrated. Finally, the integrated fine spatial resolution images are used to allocate hard class labels to subpixels. Experiments on two remote sensing images showed that, with MSI, both bilinear and bicubic interpolation-based SPMs are more accurate. The new methods are fast and do not need any prior spatial structure information.
URI: http://hdl.handle.net/10397/20336
ISSN: 1545-598X
DOI: 10.1109/LGRS.2013.2279138
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