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Hyper spectral imaging has recently become one of the most active research areas in remote sensing. Hyper spectral imagery possesses more spectral information than multispectral imagery because the number of spectral bands in hyper spectral imagery is in the hundreds rather than in the tens. However, the high dimensions of hyper spectral images cause redundancy in spatial-spectral feature domain and consider only spectral and spatial features only and ability of the classifier to excel even as training HSI images are limited. However, unless develop suitable algorithms for target detection or classification of the hyper spectral images data becomes difficult. Therefore, it is becomes essential to consider different features and find exact target detection rate to improve classification rate. In order to overcome this problem in this study presents a novel classification framework for hyper spectral data. Proposed system uses a graph based representation, Restricted Bipartite Graphs (RBG) for exact detection of the class values. Before that the feature of the HSI images are selected using the Gaussian Firefly Algorithm (GFA) for multiple feature selection and Local-Fisher’s Discriminant Analysis (LFDA) based feature projection are performed in a raw spectral-spatial feature space for effective dimensionality reduction. Then RBG is proposed to represent the reduced feature results into graphical manner to solve exact target class matching problem, in hyper spectral imaginary. Classification is performed using the Hybrid Genetic Fuzzy Neural Network (HGFNN), Genetic algorithm is used to optimize the weights of the fuzzifier and the defuzzifier for labeled and unlabeled data samples. Experimentation results show that the proposed GFA-LFDA-RBG-HGFNN method outperforms in terms of the classification accuracy and less misclassification results than traditional methods.

Restricted Bipartite Graphs Based Target Detection for Hyperspectral Image Classification with GFA-LFDA Multi Feature Selection