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Blind Separation of Permuted Alias Image with Motion Blurred Using Image Enhancement in NSCT Domain
DUAN Xin-tao,WANG Jing-juan,PENG Tao,LI Fei-fei,LIU Shang-Wang,LIU Tuan-ning 보안공학연구지원센터 2016 International Journal of Signal Processing, Image Vol.9 No.3
Focused on the issue that motion blurred permuted alias image blind separation, an algorithm using image enhancement based on nonsubsampled contourlet transform (NSCT) domain was proposed. Firstly, permuted alias image was decomposed into low-frequency sub-band and high-frequency sub-bands, which were obtained by spare decomposition based on NSCT domain. Coefficients of high-frequency sub-bands were enhanced according to Bayesian shrinkage threshold and nonlinear gain function, and the enhanced version was got by this method. Then the permuted alias image and the enhanced version were blocked, the correlation coefficients were estimated by each corresponding sub-block, because the permuting image was changed larger, the permuting image could be separated by using threshold method. Experimental results show that the proposed algorithm can separate the permuting image effectively from the permuted alias image in spite of the motion blurred direction, blur degree, size, location and the number of permuting image.
Contributed Mini Review : Role of Wnt signaling in fracture healing
( Hui Yun Xu ),( Jing Duan ),( Dan Dan Ning ),( Jing Bao Li ),( Ruo Fei Liu ),( Rui Xin Yang ),( Jean X Jiang ),( Peng Shang ) 생화학분자생물학회(구 한국생화학분자생물학회) 2014 BMB Reports Vol.47 No.12
The Wnt signaling pathway is well known to play major roles in skeletal development and homeostasis. In certain aspects, fracture repair mimics the process of bone embryonic development. Thus, the importance of Wnt signaling in fracture healing has become more apparent in recent years. Here, we summarize recent research progress in the area, which may be conducive to the development of Wnt-based therapeutic strategies for bone repair.
Sheng-hai Zhang,Ying-zi Wang,Fan-yun Meng,You-lin Li,Cai-xia Li,Fei-peng Duan,Qing Wang,Xiu-ting Zhang,Chun-ni Zhang 대한약학회 2015 Archives of Pharmacal Research Vol.38 No.5
Flavonoid glycosides are metabolized byintestinal bacteria, giving rise to a wide range of phenolicacids that may exert systemic effects in the body. Themicrobial metabolism of flavonoids extracted from theleaves of Diospyros kaki (FLDK) by intestinal bacteria wasinvestigated in vitro. High-performance liquid chromatography/linear trap quadrupole orbitrap mass spectrometrywas performed to analyze the metabolites of flavonoidsin vivo using Xcalibur2.1 software. The results showed thatthe levels of flavonoid glycosides and flavonoid aglyconesdecreased rapidly in the process of microbial metabolismby intestinal bacteria in vitro, and the metabolic rate maybe related to the concentration of intestinal bacteria in theculture solution. In vivo metabolites of FLDK weredetected in rat plasma and urine after oral administration ofFLDK. Eight flavonoids were identified in the urine, andthree were identified in the plasma; however, flavonoidaglycones were not found in the plasma.