Results 291 to 300 of about 300,325 (331)
Some of the next articles are maybe not open access.
Artifacts of Recording and Common Errors in Interpretation
2017This chapter examines the fundamental neurophysiological principles involved in determining electroencephalographic (EEG) artifact and provides general instructions for minimizing the risk of error during clinical interpretation. Examples from EEG recordings are given to illustrate common artifacts that may be challenging to the reader because they ...
William O. Tatum +2 more
openaire +1 more source
Error-compensation network for ringing artifact reduction in holographic displays
Optics LettersRecent advances in learning-based computer-generated holography (CGH) have unlocked novel possibilities for crafting phase-only holograms. However, existing approaches primarily focus on the learning ability of network modules, often neglecting the impact of diffraction propagation models.
Ganzhangqin Yuan +4 more
openaire +2 more sources
A novel multi-probe method for separating spindle radial error from artifact roundness error
The International Journal of Advanced Manufacturing Technology, 2017Conventional three-probe method of artifact roundness and spindle error measurements is subjected to the trouble of harmonic suppression, which is also mathematically complicated due to complex transformation processing. A novel three-probe method by solving system of multivariable equation (SSME) method is presented in this paper. The presented method
Ye Chen +5 more
openaire +1 more source
Errors and Artifacts of Carotid Ultrasound Evaluation
2012This chapter covers the errors than can be made in the ultrasound evaluation of carotid artery disease and suggests approaches to minimize them. The following are discussed: inter-technologist variability, inconsistent definition of percent stenosis or application of diagnostic criteria, incorrect angle of insonation, clinical situations affecting peak
openaire +1 more source
Sampling Artifact Errors in Gas/Particle Partitioning Measurements
2020In this chapter, the role of gas/particle partitioning within filters during sampling as a cause of sampling artifact errors is explored. First, a mass balance model is developed to explain variations of particulate organic carbon concentration with sampling face velocity, sampling duration and filter type. Second, preliminary results of experiments to
openaire +1 more source
Error signal artifact in apertureless scanning near-field optical microscopy
Applied Physics Letters, 2006Apertureless scanning near-field optical microscopy is a method for obtaining subwavelength optical images of nanostructures. However, great care must be taken to avoid artifactual images. We report on one artifact related to the error signal in cantilever vibration amplitude when operating in tapping mode atomic force microscopy.
Billot, Laurent +11 more
openaire +2 more sources
Technical Errors and Artifacts Causing Mistakes in Musculoskeletal Imaging
Seminars in Musculoskeletal RadiologyAbstractImaging, an essential diagnostic tool found ubiquitously in modern clinical practice, is particularly useful for evaluating musculoskeletal (MSK) pathology. However, technical errors in imaging and imaging artifacts are pitfalls that frequently diminish image quality and may lead to misinterpretation of radiologic studies by radiologists and ...
Yet Yen Yan, Wilfred C.G. Peh
openaire +1 more source
Sampling error as a misleading artifact in “key factor analysis”
Population Ecology, 1971SummaryThe influences of sampling error in key factor analysis are investigated statistically. The error involved in the data distorts the results in various misleading ways. In the course of detecting key factors by correlation analysis, the distortion arises in the following two ways: (1) the contributions made by the first and the last components of
openaire +1 more source
Error and Artifact Detection in Video Decoding: A Temporal Method
2013Video communication via error-prone networks suffers from visibility of data impairment. Lots of research effort has been made to investigate error concealment algorithms, which almost always assume that all errors have been detected successfully. However, this assumption is not always the fact.
Daqing Zhang +3 more
openaire +1 more source