نتایج جستجو برای: psf estimation

تعداد نتایج: 264787  

2015
Po-Ju Ke Takeshi Miki

Plants affect microbial communities and abiotic properties of nearby soils, which in turn influence plant growth and interspecific interaction, forming a plant-soil feedback (PSF). PSF is a key determinant influencing plant population dynamics, community structure, and ecosystem functions. Despite accumulating evidence for the importance of PSF and development of specific PSF models, different ...

Journal: :International journal of extreme manufacturing 2021

Abstract Light field imaging technology can obtain three-dimensional (3D) information of a test surface in single exposure. Traditional light reconstruction algorithms not only take long time to trace back the original image, but also require exact parameters system, such as position and posture microlens array (MLA), which will cause errors reconstructed image if these cannot be precisely obta...

2015
Christopher A. Yarosh Joseph R. Iacona Carol S. Lutz Kristen W. Lynch

PTB-associated splicing factor (PSF) is an abundant and essential nucleic acid-binding protein that participates in a wide range of gene regulatory processes and cellular response pathways. At the protein level, PSF consists of multiple domains, many of which remain poorly characterized. Although grouped in a family with the proteins p54nrb/NONO and PSPC1 based on sequence homology, PSF contain...

2012
Xinyu Zhao Soo-Young Lee Sang-Hee Lee Byung-Gook Kim Han-Ku Cho

The relative critical dimension variation of nanoscale features has become large enough to significantly affect the minimum feature size and maximum circuit density realizable in most lithographic processes. One source of such variation is the line edge roughness (LER). In the electron-beam lithographic process, the fluctuation of exposure (energy deposited) in the resist is one of the main fac...

Journal: :Revista panamericana de salud publica = Pan American journal of public health 2012
Katherine E Mues Joana C Resende Otávio C dos Santos Lilian G Perez José A Ferreira Juan S Leon

OBJECTIVE To assess factors influencing perspectives on Brazil's national Family Health Program (PSF) by exploring satisfaction with PSF units and home-visit community health agents and perceptions about PSF unit accessibility among frequent users (primary caretakers of children under age 5) in Vespasiano, Minas Gerais. METHODS Data were collected though cross-sectional household surveys to d...

2015
Christopher A. Yarosh Iulia Tapescu Matthew G. Thompson Jinsong Qiu Michael J. Mallory Xiang-Dong Fu Kristen W. Lynch

PSF (a.k.a. SFPQ) is a ubiquitously expressed, essential nuclear protein with important roles in DNA damage repair and RNA biogenesis. In stimulated T cells, PSF binds to and suppresses the inclusion of CD45 exon 4 in the final mRNA; however, in resting cells, TRAP150 binds PSF and prevents access to the CD45 RNA, though the mechanism for this inhibition has remained unclear. Here, we show that...

2001
Elisa H. Barney Smith

Degradations that occur during scanning can cause errors in Optical Character Recognition (OCR). Scans made in bilevel mode (no grey scale) from high contrast source patterns are the input to the estimation processes. 1\vo scanner system parameters are estimated from bilevel scans using models of the scanning process and bilevel source patterns. The scanner's point spread function (PSF) width a...

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