Articles with "vector analysis" as a keyword



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Quantifying (non)parallelism of gut microbial community change using multivariate vector analysis

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Published in 2022 at "Ecology and Evolution"

DOI: 10.1002/ece3.9674

Abstract: Parallel evolution of phenotypic traits is regarded as strong evidence for natural selection and has been studied extensively in a variety of taxa. However, we have limited knowledge of whether parallel evolution of host organisms… read more here.

Keywords: parallelism; ecology; vector analysis; evolution ... See more keywords
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Leveraging autoencoders in change vector analysis of optical satellite images

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Published in 2021 at "Journal of Intelligent Information Systems"

DOI: 10.1007/s10844-021-00670-9

Abstract: Various applications in remote sensing demand automatic detection of changes in optical satellite images of the same scene acquired over time. This paper investigates how to leverage autoencoders in change vector analysis, in order to… read more here.

Keywords: autoencoders change; satellite images; optical satellite; vector analysis ... See more keywords
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Review and Study of Uterine Bioelectrical Waveforms and Vector Analysis to Identify Electrical and Mechanosensitive Transduction Control Mechanisms During Labor in Pregnant Patients

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Published in 2020 at "Reproductive Sciences"

DOI: 10.1007/s43032-020-00358-5

Abstract: The bioelectrical signals that produce uterine contractions during parturition are not completely understood. The objectives are as follows: (1) to review the literature and information concerning uterine biopotential waveforms generated by the uterus, known to… read more here.

Keywords: labor; analysis; fast waves; vector analysis ... See more keywords
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An improved change detection approach using tri-temporal logic-verified change vector analysis

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Published in 2020 at "Isprs Journal of Photogrammetry and Remote Sensing"

DOI: 10.1016/j.isprsjprs.2020.01.026

Abstract: Abstract Change vector analysis (CVA) is an effective and widely used unsupervised change detection algorithm in remote sensing. It separates changed pixels from unchanged pixels by binarizing bi-temporal difference image. However, the results and performance… read more here.

Keywords: change; change detection; approach; vector analysis ... See more keywords
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Astigmatic outcomes in myopic wavefront-guided laser in situ keratomileusis versus wavefront-guided photorefractive keratectomy using vector analysis.

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Published in 2018 at "Journal of cataract and refractive surgery"

DOI: 10.1016/j.jcrs.2018.07.022

Abstract: PURPOSE To compare astigmatic outcomes between eyes having wavefront-guided laser in situ keratomileusis (LASIK) and eyes having wavefront-guided photorefractive keratectomy (PRK). SETTING Byers Eye Institute, Stanford University School of Medicine, Palo Alto, California, USA. DESIGN Prospective… read more here.

Keywords: wavefront; astigmatic outcomes; vector analysis; wavefront guided ... See more keywords
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DIAGNOSIS OF SARCOPENIA WITH COMPUTED TOMOGRAPHY AND BIOELECTRICAL IMPEDANCE VECTOR ANALYSIS IN CANCER PATIENTS

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Published in 2019 at "Nutrition"

DOI: 10.1016/j.nut.2019.08.006

Abstract: Sarcopenia is a predictor of poorer prognosis in cancer patients. Emerging data suggest the association between computed tomography (CT)-defined body composition and clinical outcomes. The aim of the study was to compare imaging method with… read more here.

Keywords: sarcopenia; computed tomography; impedance vector; bioelectrical impedance ... See more keywords
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Challenging assumptions of notational transparency: the case of vectors in engineering mathematics

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Published in 2017 at "International Journal of Mathematical Education in Science and Technology"

DOI: 10.1080/0020739x.2017.1356390

Abstract: ABSTRACT The notation for vector analysis has a contentious nineteenth century history, with many different notations describing the same or similar concepts competing for use. While the twentieth century has seen a great deal of… read more here.

Keywords: engineering; mathematics; challenging assumptions; notation ... See more keywords
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Perioperative Interstitial Fluid Expansion Predicts Major Morbidity Following Pancreatic Surgery: Appraisal by Bioimpedance Vector Analysis.

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Published in 2019 at "Annals of Surgery"

DOI: 10.1097/sla.0000000000003536

Abstract: OBJECTIVE To evaluate whether perioperative bioimpedance vector analysis (BIVA) predicts the occurrence of surgery-related morbidity. SUMMARY BACKGROUND DATA BIVA is a reliable tool to assess hydration status and compartimentalized fluid distribution. METHODS The BIVA of… read more here.

Keywords: morbidity; predicts major; vector analysis; surgery ... See more keywords
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Unsupervised Deep Change Vector Analysis for Multiple-Change Detection in VHR Images

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Published in 2019 at "IEEE Transactions on Geoscience and Remote Sensing"

DOI: 10.1109/tgrs.2018.2886643

Abstract: Change detection (CD) in multitemporal images is an important application of remote sensing. Recent technological evolution provided very high spatial resolution (VHR) multitemporal optical satellite images showing high spatial correlation among pixels and requiring an… read more here.

Keywords: change; change vector; change detection; vector analysis ... See more keywords
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High-Density Surface EMG Denoising Using Independent Vector Analysis

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Published in 2020 at "IEEE Transactions on Neural Systems and Rehabilitation Engineering"

DOI: 10.1109/tnsre.2020.2987709

Abstract: High-density surface electromyography (HD-sEMG) can provide rich temporal and spatial information about muscle activation. However, HD-sEMG signals are often contaminated by power line interference (PLI) and white Gaussian noise (WGN). In the literature, independent component… read more here.

Keywords: high density; method; vector analysis; density surface ... See more keywords
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Vector analysis of moderate to high myopic astigmatism after small-incision lenticule extraction (SMILE): 12-month follow-up

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Published in 2022 at "European Journal of Ophthalmology"

DOI: 10.1177/11206721221080821

Abstract: Purpose To evaluate the refractive outcomes of small-incision lenticule extraction (SMILE) surgery in moderate to high myopic astigmatism Study Design Prospective interventional case series Methods This study evaluated 111 eyes of 68 patients treated with… read more here.

Keywords: small incision; myopic astigmatism; month; astigmatism ... See more keywords