Results 21 to 30 of about 3,372,624 (300)

Contrast-Enhanced Ultrasound

open access: yesBioMed Research International, 2015
The recent decade has witnessed the great improvement of contrast-enhanced ultrasound (CEUS) and its extensive use in clinical practice, which is undoubtedly the major breakthrough in the field of diagnostic ultrasound in recent years. The concept of CEUS can be looked back to 60s in the last century, whereas only in 2000s CEUS regained increasing ...
Hui-Xiong Xu   +3 more
openaire   +2 more sources

Delaunay triangulation based image enhancement for echocardiography images [PDF]

open access: yes, 2009
A novel image enhancement approach for automatic echocardiography image processing is proposed. The main steps include undecimated wavelet based speckle noise reduction, edge detection, followed by a regional enhancement process that employs Delaunay ...
Ahanathapillai, V.   +2 more
core   +3 more sources

Real-time contrast enhancement to improve speech recognition. [PDF]

open access: yesPLoS ONE, 2011
An algorithm that operates in real-time to enhance the salient features of speech is described and its efficacy is evaluated. The Contrast Enhancement (CE) algorithm implements dynamic compressive gain and lateral inhibitory sidebands across channels in ...
Joshua M Alexander   +2 more
doaj   +1 more source

Contrast enhanced CT on PET/CT imaging in clinical routine: an international survey

open access: yesFrontiers in Medicine, 2023
AimTo perform an international survey about PET/CT imaging with contrast enhanced CT (PET/ceCT) in clinical routine worldwide.MethodsA questionnaire of ten questions was prepared for health professionals, addressing the following issues: (1) general ...
Salvatore Annunziata   +16 more
doaj   +1 more source

Peeling Plaids Apart: Context Counteracts Cross-Orientation Contrast Masking [PDF]

open access: yes, 2009
Background: Contrast discrimination for an image is usually harder if another image is superimposed on top. We asked whether such contrast masking may be enhanced or relieved depending on cues promoting integration of both images as a single pattern ...
Verghese, P.   +5 more
core   +2 more sources

Quantitative analysis of cardiac left ventricular variables obtained by MRI at 3 T : a pre- and post-contrast comparison [PDF]

open access: yes, 2012
Short-axis cine images are acquired during cardiac MRI in order to determine variables of cardiac left ventricular (LV) function such as ejection fraction (EF), end-diastolic volume (EDV), end-systolic volume (ESV), stroke volume (SV) and LV mass.
Crowe, E. A.   +15 more
core   +1 more source

An Adaptive Image Contrast Enhancement Technique for Low-Contrast Images

open access: yesIEEE Access, 2019
Contrast enhancement is important and plays vital role in many applications. Histogram equalization-based techniques are widely used techniques for contrast enhancement.
Awais Mahmood   +3 more
doaj   +1 more source

Contrast-enhanced endoscopic ultrasound

open access: yesEndoscopic Ultrasound, 2012
The European Federation of Societies for Ultrasound in Medicine and Biology (EFSUMB) introduced guidelines on the use of contrast-enhanced ultrasound (CEUS) in 2004. This EFSUMB-document focused mainly on liver applications. However, new applications extending beyond the liver were developed thereafter.
Dietrich, Christoph F.   +2 more
openaire   +3 more sources

An Adaptive Dynamic Range Compression with Local Contrast Enhancement Algorithm for Real-Time Color Image Enhancement

open access: yes, 2013
Dynamic range compression has become an important function used in modern digital video cameras to improve visual quality of color images suffered from low dynamic range and poor contrast defects.
Tsai, Chi-Yi; Huang, Chih-Hung   +1 more
core   +1 more source

European Standard Clinical Practice Guideline and EXPeRT Recommendations for the Diagnosis and Management of Gastroenteropancreatic Neuroendocrine Neoplasms in Children and Adolescents

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Pediatric gastroenteropancreatic neuroendocrine neoplasms (GEP‐NENs) are extremely rare and clinically heterogeneous. Management has largely been extrapolated from adult practice. This European Standard Clinical Practice Guideline (ESCP), developed by the EXPeRT network in collaboration with adult NEN experts, provides (adult) evidence ...
Michaela Kuhlen   +23 more
wiley   +1 more source

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