Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W7, 719-722, 2017
https://doi.org/10.5194/isprs-archives-XLII-2-W7-719-2017
© Author(s) 2017. This work is distributed under
the Creative Commons Attribution 4.0 License.
 
13 Sep 2017
A ROBUST DESCRIPTOR BASED ON SPATIAL AND FREQUENCY STRUCTURAL INFORMATION FOR VISIBLE AND THERMAL INFRARED IMAGE MATCHING
Z. Fu1,2, Q. Qin1, C. Wu1, Y. Chang1, and B. Luo1 1State Key Laboratory of Information Engineering in Surveying, Mapping and Remote Sensing, Wuhan University, Wuhan, China
2Information and Network Centre, Yunnan Minzu University, Kunming, China
Keywords: Multimodal Descriptor, Visible and Thermal Infrared Image Matching, Spatial Structural Information, Frequency Structural Information, Multi-spatial Regions Division Abstract. Due to the differences of imaging principles, image matching between visible and thermal infrared images still exist new challenges and difficulties. Inspired by the complementary spatial and frequency information of geometric structural features, a robust descriptor is proposed for visible and thermal infrared images matching. We first divide two different spatial regions to the region around point of interest, using the histogram of oriented magnitudes, which corresponds to the 2-D structural shape information to describe the larger region and the edge oriented histogram to describe the spatial distribution for the smaller region. Then the two vectors are normalized and combined to a higher feature vector. Finally, our proposed descriptor is obtained by applying principal component analysis (PCA) to reduce the dimension of the combined high feature vector to make our descriptor more robust. Experimental results showed that our proposed method was provided with significant improvements in correct matching numbers and obvious advantages by complementing information within spatial and frequency structural information.
Conference paper (PDF, 1451 KB)


Citation: Fu, Z., Qin, Q., Wu, C., Chang, Y., and Luo, B.: A ROBUST DESCRIPTOR BASED ON SPATIAL AND FREQUENCY STRUCTURAL INFORMATION FOR VISIBLE AND THERMAL INFRARED IMAGE MATCHING, Int. Arch. Photogramm. Remote Sens. Spatial Inf. Sci., XLII-2/W7, 719-722, https://doi.org/10.5194/isprs-archives-XLII-2-W7-719-2017, 2017.

BibTeX EndNote Reference Manager XML