Výsledky vyhledávání - optimal s-thresholding algorithm

Analysis of optimal thresholding algorithms for compressed sensing Autor Zhao, Yun-Bin, Luo, Zhi-Quan

“…•Propose a new and general framework of optimal k-thresholding algorithm.•Establish the first guaranteed performance result for a large family of relaxed optimal k-thresholding algorithms ROTω and ROTPω…”
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Partial gradient optimal thresholding algorithms for a class of sparse optimization problems Autor Meng, Nan, Zhao, Yun-Bin, Kočvara, Michal, Sun, Zhongfeng

“… A typical type of thresholding algorithms for solving such a problem adopts the traditional full steepest descent direction or Newton-like direction as a search direction to generate an iterate…”
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Heavy-Ball-Based Optimal Thresholding Algorithms for Sparse Linear Inverse Problems Autor Sun, Zhong-Feng, Zhou, Jin-Chuan, Zhao, Yun-Bin

“… Compared to other sparsity-aware algorithms, the advantage of optimal k -thresholding method lies in that it performs thresholding and error metric reduction simultaneously and thus works stably…”
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Newton-Type Optimal Thresholding Algorithms for Sparse Optimization Problems Autor Meng, Nan, Zhao, Yun-Bin

“… In this paper, we propose the so-called Newton-type optimal k -thresholding (NTOT) algorithm which is motivated by the appreciable performance of both Newton-type methods and the optimal k -thresholding technique for signal recovery…”
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Size Projection Algorithm: Optimal Thresholding Value Selection for Image Segmentation of Electrical Impedance Tomography Autor Nie, Peng-Fei, Han, Yan, Wang, Jian, Yang, Na, Li, Kun, Zhang, Min

“…Thresholding is an efficient step to extract quantitative information since the potential artefacts are often introduced by the point-spread effect of…”
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An adaptive data compression technique based on optimal thresholding using multi-objective PSO algorithm for power system data Autor Karthika, S., Rathika, P.

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Stability of optimal shapes and convergence of thresholding algorithms in linear and spectral optimal control problems: Stability of optimal shapes and convergence Autor Chambolle, Antonin, Mazari-Fouquer, Idriss, Privat, Yannick

“…We prove the convergence of the fixed-point (also called thresholding) algorithm in three optimal control problems under large volume constraints…”
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Stability of optimal shapes and convergence of thresholding algorithms in linear and spectral optimal control problems Autor Chambolle, Antonin, Mazari-Fouquer, Idriss, Privat, Yannick

“…We prove the convergence of the fixed-point (also called thresholding) algorithm in three optimal control problems under large volume constraints…”
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A fast scheme for optimal thresholding using genetic algorithms Autor Yin, Peng-Yeng

“… In this paper, a fast scheme using genetic algorithms is proposed to render these optimal thresholding techniques more practical…”
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Fuzzy entropy based optimal thresholding using bat algorithm Autor Ye, Zhi-Wei, Wang, Ming-Wei, Liu, Wei, Chen, Shao-Bin

“…[Display omitted] •A thresholding method is proposed using fuzzy entropy and bat algorithm…”
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Fully automated segmentation of a hip joint using the patient-specific optimal thresholding and watershed algorithm Autor Kim, Jung Jin, Nam, Jimin, Jang, In Gwun

“…•Fully automated segmentation is proposed using the patient-specific optimal thresholding and watershed algorithm…”
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An adaptive differential evolution algorithm to optimal multi-level thresholding for MRI brain image segmentation Autor Tarkhaneh, Omid, Shen, Haifeng

“…•The ALDE algorithm works better for MRI image analysis than DE variants.•The ALDE algorithm is less sensitive to increasing number of thresholds…”
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Learning Optimal Nonlinearities for Iterative Thresholding Algorithms Autor Kamilov, Ulugbek S., Mansour, Hassan

“…Iterative shrinkage/thresholding algorithm (ISTA) is a well-studied method for finding sparse solutions to ill-posed inverse problems…”
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Between hard and soft thresholding: optimal iterative thresholding algorithms Autor Liu, Haoyang, Rina Foygel Barber

“…Iterative thresholding algorithms seek to optimize a differentiable objective function over a sparsity or rank constraint by alternating between gradient steps that reduce the objective…”
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Performance Comparison of Firefly and Cuckoo Search Algorithms in Optimal Thresholding of Cancer Cell Images Autor Wonohadidjojo, Daniel Martomanggolo

“… The second stage was optimal fuzzy entropy based image thresholding. In the thresholding stage, the first method used Firefly Algorithm (FA…”
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Optimal multilevel thresholding using bacterial foraging algorithm Autor Sathya, P.D., Kayalvizhi, R.

“…► We develop BF algorithm based multilevel thresholding for image segmentation. ► We find the optimal threshold values for gray images by BF algorithm…”
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A novel algorithm for optimal image thresholding of biological data Autor Padmanabhan, Krishnan, Eddy, William F., Crowley, Justin C.

“…▶ We present a novel thresholding algorithm, maximum correlation thesholding (MCT). ▶ MCT optimal thresholds images by using a solution to the correlation coefficient…”
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Investigation of butterfly optimization and gases Brownian motion optimization algorithms for optimal multilevel image thresholding Autor Sowjanya, Kotte, Injeti, Satish Kumar

“…•Detailed literature survey.•Mathematical modelling and problem formation.•Problem specific implementation of BO and GBMO algorithms…”
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Tsallis entropy based optimal multilevel thresholding using cuckoo search algorithm Autor Agrawal, Sanjay, Panda, Rutuparna, Bhuyan, Sudipta, Panigrahi, B.K.

“…In this paper, optimal thresholds for multi-level thresholding in an image are obtained by maximizing the Tsallis entropy using cuckoo search algorithm…”
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Heavy-ball-based optimal thresholding algorithms for sparse linear inverse problems Autor Zhong-Feng, Sun, Jin-Chuan Zhou, Yun-Bin, Zhao

“… Compared to other sparsity-aware algorithms, the advantage of optimal \(k\)-thresholding method lies in that it performs thresholding and error metric reduction…”
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