Improved contourlet transform construction and its application to surface defect recognition of metals
Sign Up to like & getrecommendations! Published in 2020 at "Multidimensional Systems and Signal Processing"
DOI: 10.1007/s11045-020-00720-5
Abstract: A new multiscale subspace method of feature extraction based on improved contourlet transform (ICT) and kernel spectral regression (KSR) is proposed. We construct the ICT according to the construction mode of contourlet transform and nonsubsampled… read more here.
Keywords: construction; surface; contourlet; improved contourlet ... See more keywords
Effective payload and improved security using HMT Contourlet transform in medical image steganography
Sign Up to like & getrecommendations! Published in 2019 at "Health and Technology"
DOI: 10.1007/s12553-018-00285-1
Abstract: This paper implements a novel approach for image steganography based on Hidden Markov Tree (HMT) Contourlet transform. In this paper, the biomedical image considers as a cover image and it is mapped to a specific… read more here.
Keywords: medical image; image steganography; hmt contourlet; image ... See more keywords
Towed Streamer-based Simultaneous Source Separation by Contourlet Transform
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Geoscience and Remote Sensing"
DOI: 10.1109/tgrs.2022.3181598
Abstract: Simultaneous towed-streamer marine acquisition has the advantages of reducing the total time requirements and costs of surveys. However, the seismic records obtained are blended seismic data, so the successful deblending of such data is the… read more here.
Keywords: bayesian threshold; contourlet transform; contourlet; towed streamer ... See more keywords