Title
Cross-Domain Ground-Based Cloud Classification Based on Transfer of Local Features and Discriminative Metric Learning.
Abstract
Cross-domain ground-based cloud classification is a challenging issue as the appearance of cloud images from different cloud databases possesses extreme variations. Two fundamental problems which are essential for cross-domain ground-based cloud classification are feature representation and similarity measurement. In this paper, we propose an effective feature representation called transfer of local features (TLF), and measurement method called discriminative metric learning (DML). The TLF is a generalized representation framework that can integrate various kinds of local features, e.g., local binary patterns (LBP), local ternary patterns (LTP) and completed LBP (CLBP). In order to handle domain shift, such as variations of illumination, image resolution, capturing location, occlusion and so on, the TLF mines the maximum response in regions to make a stable representation for domain variations. We also propose to learn a discriminant metric, simultaneously. We make use of sample pairs and the relationship among cloud classes to learn the distance metric. Furthermore, in order to improve the practicability of the proposed method, we replace the original cloud images with the convolutional activation maps which are then applied to TLF and DML. The proposed method has been validated on three cloud databases which are collected in China alone, provided by Chinese Academy of Meteorological Sciences (CAMS), Meteorological Observation Centre (MOC), and Institute of Atmospheric Physics (IAP). The classification accuracies outperform the state-of-the-art methods.
Year
DOI
Venue
2018
10.3390/rs10010008
REMOTE SENSING
Keywords
Field
DocType
ground-based cloud classification,machine learning,transfer of local features,discriminative metric learning
Computer vision,Local ternary patterns,Pattern recognition,Atmospheric physics,Discriminant,Local binary patterns,Metric (mathematics),Artificial intelligence,Geology,Discriminative model,Image resolution,Cloud computing
Journal
Volume
Issue
ISSN
10
1
2072-4292
Citations 
PageRank 
References 
1
0.39
11
Authors
5
Name
Order
Citations
PageRank
Zhong Zhang114132.42
Donghong Li231.43
Shuang Liu33622.95
Baihua Xiao437740.56
Xiaozhong Cao5155.41