Results 41 to 50 of about 3,201,373 (283)

Improved triangular-based star pattern recognition algorithm for low-cost star trackers

open access: yesJournal of King Saud University: Computer and Information Sciences, 2021
Star identification algorithms based on triangular-pattern are more suitable for low-cost star trackers since they require less star density in the field of view to operate effectively.
Abderrahim Nabi   +2 more
doaj   +1 more source

Solid Pseudopapillary Neoplasm of the Pancreas in Children and Adolescents: Expert Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Solid pseudopapillary neoplasm of the pancreas (SPN) is a rare low‐grade malignant exocrine pancreatic tumor, mostly discovered during the second decade of life in females, with a very good prognosis, provided microscopically complete surgical excision is achieved.
Sabine Irtan   +18 more
wiley   +1 more source

A Robust Star Identification Algorithm Based on a Masked Distance Map

open access: yesRemote Sensing, 2022
The authors of this paper propose a robust star identification algorithm for a ‘Lost-In-Space’-mode star tracker for lost-cost CubeSat missions. A two-step identification framework and an embedded validation mechanism were designed to accelerate the ...
Hao Yuan, Dongxu Li, Jie Wang
doaj   +1 more source

Ovarian Sex Cord Stromal Tumors in Children and Adolescents—The European Standard Clinical Practice Recommendations

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT As part of the European Cooperative Study Group for Paediatric Rare Tumours initiative, we developed standard clinical practice guidelines for ovarian sex cord stromal tumors, based on comprehensive national and international cohort analyses, literature review, and a final expert consensus conference.
Dominik T. Schneider   +15 more
wiley   +1 more source

Anatomical identifications of stars: Textual descriptions in Ptolemy's star catalogue

open access: yesStudies in History and Philosophy of Science, 2022
In this survey paper, we examine the language Ptolemy uses in his star catalogue to describe stars. We focus on anatomical descriptions (more than 700 in the catalogue), i.e., textual entries used to identify objects by relating them to body-parts of imaginary constellation figures.
openaire   +2 more sources

Acute Neurological Events in Children With Hemoglobin SC Disease: A Multicenter Retrospective Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Introduction Neurological manifestations in children with hemoglobin SC (HbSC) disease remain insufficiently characterized, particularly regarding acute events. The aim of this study was to describe the spectrum and frequency of acute neurological events in a multicenter cohort of children with HbSC disease.
Célia Paulmin   +11 more
wiley   +1 more source

Construction of the Guide Star Catalog for Double Fine Guidance Sensors Based on SSBK Clustering

open access: yesSensors, 2022
In the Chinese Survey Space Telescope (CSST), the Fine Guidance Sensor (FGS) is required to provide high-precision attitude information of the space telescope. The fine star guide catalog is an essential part of the FGS. It is not only the basis for star
Yuanyu Yang   +3 more
doaj   +1 more source

STAR General Assembly February 2019

open access: yes, 2019
Report of the STAR research unit General Assembly during the Second STAR ...
Grodent, Denis
core   +1 more source

Star routes [PDF]

open access: yes, 2007
A brief history of "star routes" used by the United States Postal ...

core  

Infant Embryonal CNS Tumors: Molecular Insights and Treatment Considerations for Contemporary Pediatric Neuro‐Oncology

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Embryonal tumors comprise the majority of malignant central nervous system (CNS) neoplasms diagnosed in children under 3 years of age. Compared with their counterparts in older children, these tumors exhibit distinct molecular biology and a more aggressive clinical phenotype, while their management is complicated by the heightened ...
Sudarshawn Damodharan   +3 more
wiley   +1 more source

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