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- W2378640816 abstract "Aimed at edge-detection in side-scan sonar( SSS) images,multi-resolution analysis is used on the SSS image based on 2-D discrete wavelet transform. After non-maxima suppression on wavelet coefficients on large level, lowfrequency component is reconstructed on small level. Combined with lowfrequency components on different levels,a feature vector is extracted for each pixel from the components,and then the feature space is constructed. The dimensionality of the space is reduced using principle component analysis. The feature vectors are then clustered into disjoint clusters using K-Mean clustering. Edges are extracted from clusters. The image containing a shipwreck is used to verify the algorithm,with a target and its shadowadded in homogeneous region of the SSS image. In the experiment,the accuracy rate of the edge detected is 0. 90, indicating the validity of the algorithm." @default.
- W2378640816 created "2016-06-24" @default.
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- W2378640816 date "2014-01-01" @default.
- W2378640816 modified "2023-09-25" @default.
- W2378640816 title "Application of 2-D Discrete Wavelet Transform in Target-detection of Side-scan Sonar Images" @default.
- W2378640816 hasPublicationYear "2014" @default.
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