Search Results - "Zhiyuan Zha"

Image Restoration via Simultaneous Nonlocal Self-Similarity Priors by Zha, Zhiyuan, Yuan, Xin, Zhou, Jiantao, Zhu, Ce, Wen, Bihan

“…Through exploiting the image nonlocal self-similarity (NSS) prior by clustering similar patches to construct patch groups, recent studies have revealed that…”
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From Rank Estimation to Rank Approximation: Rank Residual Constraint for Image Restoration by Zha, Zhiyuan, Yuan, Xin, Wen, Bihan, Zhou, Jiantao, Zhang, Jiachao, Zhu, Ce

“…In this paper, we propose a novel approach to the rank minimization problem, termed rank residual constraint (RRC) model. Different from existing low-rank…”
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A Benchmark for Sparse Coding: When Group Sparsity Meets Rank Minimization by Zha, Zhiyuan, Yuan, Xin, Wen, Bihan, Zhou, Jiantao, Zhang, Jiachao, Zhu, Ce

“…Sparse coding has achieved a great success in various image processing tasks. However, a benchmark to measure the sparsity of image patch/group is missing…”
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Image Restoration Using Joint Patch-Group-Based Sparse Representation by Zha, Zhiyuan, Yuan, Xin, Wen, Bihan, Zhang, Jiachao, Zhou, Jiantao, Zhu, Ce

“…Sparse representation has achieved great success in various image processing and computer vision tasks. For image processing, typical patch-based sparse…”
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Nonconvex Structural Sparsity Residual Constraint for Image Restoration by Zha, Zhiyuan, Yuan, Xin, Wen, Bihan, Zhang, Jiachao, Zhu, Ce

“…This article proposes a novel nonconvex structural sparsity residual constraint (NSSRC) model for image restoration, which integrates structural sparse…”
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Mixed-matrix membranes comprising porous organic molecular cage for efficient CO2 capture by Zha, Zhiyuan, Wang, Jixiao, Wang, Zhi, Zhao, Song

“…•A novel MMM comprising porous molecular cages and PVAm polymer for gas separation.•CO2-transport channels generated by CC3 crystals immobilized onto membrane…”
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Enhancing the conversational agent with an emotional support system for mental health digital therapeutics by Wang, Qing, Peng, Shuyuan, Zha, Zhiyuan, Han, Xue, Deng, Chao, Hu, Lun, Hu, Pengwei

“…As psychological diseases become more prevalent and are identified as the leading cause of acquired disability, it is essential to assist people in improving…”
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Nonconvex Weighted \ell p Minimization Based Group Sparse Representation Framework for Image Denoising by Wang, Qiong, Zhang, Xinggan, Wu, Yu, Tang, Lan, Zha, Zhiyuan

“…Nonlocal image representation or group sparsity has attracted considerable interest in various low-level vision tasks and has led to several state-of-the-art…”
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Non-convex weighted ℓ nuclear norm based ADMM framework for image restoration by Zha, Zhiyuan, Zhang, Xinggan, Wu, Yu, Wang, Qiong, Liu, Xin, Tang, Lan, Yuan, Xin

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Image denoising via group sparsity residual constraint by Zhiyuan Zha, Xin Liu, Ziheng Zhou, Xiaohua Huang, Jingang Shi, Zhenhong Shang, Lan Tang, Yechao Bai, Qiong Wang, Xinggan Zhang

“…Group sparsity has shown great potential in various low-level vision tasks (e.g, image denoising, deblurring and inpainting). In this paper, we propose a new…”
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In-situ fabricated covalent organic frameworks-polyamide hybrid membrane for highly efficient molecular separation by Zhao, Song, Zha, Zhiyuan, Mao, Chenyue, Wang, Zhi, Wang, Jixiao

“…Covalent organic frameworks (COFs) membranes fabricated via interfacial polymerization typically present high permeance but relatively low selectivity for…”
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Aza-crown ether-coupled polyamide nanofiltration membrane for efficient Li+/Mg2+ separation by Zha, Zhiyuan, Li, Tingyu, Hussein, Ismail, Wang, Ying, Zhao, Song

“…The scarcity of lithium can be effectively addressed by extracting it from salt-lake brines. In this work, aza-crown ether (diazo-18-crown-6, DA18C6) was…”
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Analyzing the group sparsity based on the rank minimization methods by Zhiyuan Zha, Xin Liu, Xiaohua Huang, Henglin Shi, Yingyue Xu, Qiong Wang, Lan Tang, Xinggan Zhang

“…Sparse coding has achieved a great success in various image processing studies. However, there is not any benchmark to measure the sparsity of image…”
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Low-Rankness Guided Group Sparse Representation for Image Restoration by Zha, Zhiyuan, Wen, Bihan, Yuan, Xin, Zhou, Jiantao, Zhu, Ce, Kot, Alex Chichung

“…As a spotlighted nonlocal image representation model, group sparse representation (GSR) has demonstrated a great potential in diverse image restoration tasks…”
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Group Sparsity Residual Constraint With Non-Local Priors for Image Restoration by Zha, Zhiyuan, Yuan, Xin, Wen, Bihan, Zhou, Jiantao, Zhu, Ce

“…Group sparse representation (GSR) has made great strides in image restoration producing superior performance, realized through employing a powerful mechanism…”
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Interlayer-modulated polyamide composite membrane for organic solvent nanofiltration by Zha, Zhiyuan, He, Pengpeng, Zhao, Song, Guo, Rui, Wang, Zhi, Wang, Jixiao

“…In this work, sandwich-like polyamide (PA) organic solvent nanofiltration (OSN) composite membranes were prepared upon hydrolyzed polyacrylonitrile (HPAN)…”
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Host-guest nanofiltration membranes having amino-complexed cucurbituril supramolecular channel for monovalent/divalent salts separation by Wang, Ying, Zhao, Song, Zha, Zhiyuan, Wang, Zhi, Wang, Jixiao

“…Nanofiltration (NF) is widely used in separation of ions with different sizes and charges. However, thin-film composite NF membrane is hard to reach satisfied…”
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Image Restoration via Reconciliation of Group Sparsity and Low-Rank Models by Zha, Zhiyuan, Wen, Bihan, Yuan, Xin, Zhou, Jiantao, Zhu, Ce

“…Image nonlocal self-similarity (NSS) property has been widely exploited via various sparsity models such as joint sparsity (JS) and group sparse coding (GSC)…”
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A Hybrid Structural Sparsification Error Model for Image Restoration by Zha, Zhiyuan, Wen, Bihan, Yuan, Xin, Zhou, Jiantao, Zhu, Ce, Kot, Alex Chichung

“…Recent works on structural sparse representation (SSR), which exploit image nonlocal self-similarity (NSS) prior by grouping similar patches for processing,…”
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Exploiting Non-Local Priors via Self-Convolution for Highly-Efficient Image Restoration by Guo, Lanqing, Zha, Zhiyuan, Ravishankar, Saiprasad, Wen, Bihan

“…Constructing effective priors is critical to solving ill-posed inverse problems in image processing and computational imaging. Recent works focused on…”
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