Výsledky vyhledávání - Gradient-based retrieval algorithm

A Fast Gradient-Based Iterative Algorithm for Undersampled Phase Retrieval Autor Li, Qiang, Huang, Lei, Liu, Wei, Sun, Weize, Zhang, Peichang

“… )-norm minimization in the case of sparse signals. A gradient-based phase retrieval via majorization- minimization technique (G-PRIME…”
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Improved Inverse First-Order Reliability Method for Analyzing Long-Term Response Extremes of Floating Structures Autor Wang, Junrong, Bai, Zhuolantai, Xie, Botao, Gui, Jie, Gong, Haonan, Zhou, Yantong

“… A modified gradient-based retrieval algorithm in conjunction with the inverse first-order reliability method (IFORM…”
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High-precision aberration retrieval with a scanning quadrant detector and gradient-based evolutionary particle swarm optimization algorithm Autor Liu, Zuoyu, Liu, Zhangchen, Li, Shuqiang, Li, Ruipeng, Chai, Haiyang, Liu, Yongkai, Lv, Furui, Li, Yatian, Wu, Jiabin, Gao, Shijie

“… Additionally, phase retrieval and calibration techniques for optical systems provide novel approaches for both post-assembly detection of optomechanical systems and monitoring the optical system's on-orbit status…”
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Stochasticity helps to navigate rough landscapes: comparing gradient-descent-based algorithms in the phase retrieval problem Autor Mignacco, Francesca, Urbani, Pierfrancesco, Zdeborová, Lenka

“…In this paper we investigate how gradient-based algorithms such as gradient descent (GD), (multi-pass…”
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Stochasticity helps to navigate rough landscapes: comparing gradient-descent-based algorithms in the phase retrieval problem Autor Mignacco, Francesca, Urbani, Pierfrancesco, Zdeborová, Lenka

“…In this paper we investigate how gradient-based algorithms such as gradient descent, (multi-pass…”
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Measurement of polarization aberration of high numerical-aperture optical systems via gradient-based phase retrieval Autor Cao, Zhaolou, Zhai, Chunjie

“…•A two-step algorithm consisting of a multi-plane Gerchberg-Saxton algorithm and a gradient-based optimization algorithm is proposed to recover the complex light field…”
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Research on rotational velocity measurement performance enhancement based on an amplitude-phase joint modulation algorithm Autor Wang, Hongyang, Liu, Hao, Zhang, Zijing, Cui, Chengshuai, Lyu, Xinran, Song, Jiayu, Zhao, Yuan

“…) algorithm that incorporates a dual optimization strategy combining gradient-based correction and random perturbation, effectively preventing convergence to local optima…”
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Effective Cloud Detection and Segmentation Using a Gradient-Based Algorithm for Satellite Imagery: Application to Improve PERSIANN-CCS Autor Hayatbini, Negin, Hsu, Kuo-lin, Sorooshian, Soroosh, Zhang, Yunji, Zhang, Fuqing

“… In this study, a new gradient-based cloud-image segmentation algorithm is developed using image processing techniques…”
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Stochastic Gradient Descent long short-term memory based secure encryption algorithm for cloud data storage and retrieval in cloud computing environment Autor Suganya, M., Sasipraba, T.

“… Encryption is the most important method of data protection. Consequently, several accessible encryption strategies are utilized to provide security, integrity, and authorized access by employing modern cryptographic algorithms…”
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Gradient-based multiresolution image fusion Autor Petrovic, V.S., Xydeas, C.S.

“…A novel approach to multiresolution signal-level image fusion is presented for accurately transferring visual information from any number of input image…”
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Gradient-based explanation for non-linear non-parametric dimensionality reduction Autor Corbugy, Sacha, Marion, Rebecca, Frénay, Benoît

“…Dimensionality reduction (DR) is a popular technique that shows great results to analyze high-dimensional data. Generally, DR is used to produce visualizations…”
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An Undersampled Phase Retrieval Algorithm via Gradient Iteration Autor Li, Qiang, Liu, Wei, Huang, Lei, Sun, Weize, Zhang, Peichang

“…) algorithm, a gradient-based PRIME algorithm is proposed to solve a quadratic approximation of the original problem…”
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A gradient based dual detection model for shot boundary detection Autor Kar, T., Kanungo, P.

“…An efficient video shot boundary detection is highly desirable for subsequent semantic video content analysis and retrieval applications…”
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An aeroelastic optimisation framework for manufacturable variable stiffness composite wings including critical gust loads Autor Wang, Zhijun, Peeters, Daniël, De Breuker, Roeland

“… The framework is constructed by sequentially and iteratively solving two sub-problems: aeroelastic tailoring and lay-up retrieval, using gradient-based algorithms with full-analytical sensitivities provided…”
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Diagnostic Evaluation of Policy-Gradient-Based Ranking Autor Yu, Hai-Tao, Huang, Degen, Ren, Fuji, Li, Lishuang

“…Learning-to-rank has been intensively studied and has shown significantly increasing values in a wide range of domains, such as web search, recommender…”
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Algorithm for Image Retrieval Based on Edge Gradient Orientation Statistical Code Autor Fu, Xiang, Li, Weiye, Zhao, Yonggang, Zeng, Jiexian

“… Considering that the edge gradient direction histograms and edge direction autocorrelogram do not have the rotation invariance, we put forward the image retrieval algorithm which is based on edge…”
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Three-Dimensional Complex Point Spread Function Reconstruction via Multi-Image Phase Retrieval in the Frequency Domain Autor Xian, Fenglin, Cui, Fenping, Pei, Shixin, Tu, Bing, Cao, Zhaolou

“… In this work, a multi-image phase retrieval algorithm is proposed to retrieve the wavefront of either a scalar or vector beam in the frequency domain…”
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Gradient-based strategy of designing cascaded phase holograms for arbitrary distribution behind arbitrary aperture Autor Li, Hengyang, Xu, Jiaming, Luo, Qin, Hu, Cong, Xiao, Yu, Tang, Xiahui, Xu, Gang, Qin, Yingxiong

“… of optical system that forces the light path deviate from the unconstrained situation. To bridge the gap between the ideal simplified phase modulation system and the real aperture-constrained system, we propose an inverse design algorithm (GOODBAP…”
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Non-Coherent DOA Estimation via Proximal Gradient Based on a Dual-Array Structure Autor Wan, Zhengyu, Liu, Wei

“…Although the non-coherent direction of arrival (DOA) estimation problem can be solved by sparse phase retrieval algorithms, known reference signals are required to deal with the inherent ambiguity issue of this approach…”
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Optimized projection for hashing Autor Chu, Chaoqun, Gong, Dahan, Chen, Kai, Guo, Yuchen, Han, Jungong, Ding, Guiguang

“…•For the orthogonality-constrained problem of OPH, we put forward an effective learning algorithm.•We carry out extensive experiments for ANN search and CBDR…”
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