Results 51 to 60 of about 71,044 (162)

SPECTRAL SUBTRACTION METHOD OF SPEECH ENHANCEMENT USING ADAPTIVE ESTIMATION OF NOISE WITH PDE METHOD AS A PREPROCESSING TECHNIQUE [PDF]

ICTACT Journal on Communication Technology, 2010
Speech Enhancement can be used as a preprocessing technique in any of the speech communication systems. Speech communication involves a speaker, listener and communication device.
D. Deepa, A. Shanmugam
doaj  

Subtraction images: A really helpful tool in non-vascular MRI

The Egyptian Journal of Radiology and Nuclear Medicine, 2014
Background: Subtraction imaging is a technique whereby an unenhanced T1-weighted sequence is digitally subtracted from the identical sequence performed after gadolinium administration.
Mohamed Eid, Ahmed Abougabal
doaj   +1 more source

A Subtraction Coronary Computed Tomography Angiography Technique to Evaluate In-stent Restenosis

CT Lilun yu yingyong yanjiu
Objective: We investigated the clinical value of subtraction coronary computed tomography angiography (sub-CCTA) in double breath-holding mode for assessing in-stent restenosis (ISR).
Yan ZHOU, Yi HE, Fang LI, Yinghao XU, Tian MA, Chaohui ZHONG   +5 more
doaj   +1 more source

Diagnostic performance of computed tomography-digital subtraction angiography and conventional magnetic resonance imaging for evaluating the vascularity of osseous spinal tumors

Journal of the Formosan Medical Association
Background and purpose: Patients with hypervascular spinal tumors may have severe blood loss during tumor resection, which increases the risks of perioperative morbidity and mortality.
Ting-Wei Liao, Yen-Heng Lin, Fon-Yih Tsuang, Chung-Wei Lee, Yu-Cheng Huang   +4 more
doaj   +1 more source

SIMPLIFIED SUBTRACTION TECHNIQUE [PDF]

American Journal of Roentgenology, 1965
openaire   +2 more sources

Φ-OTDR disturbance localization of communication optical cable based on moving variance average and spectral subtraction

电力工程技术
To address the issue of low signal-to-noise ratio in disturbance localization on power communication optical cables caused by environmental noise in phase sensitive-optical time domain reflectometry (Φ-OTDR) systems, the Φ-OTDR localization technique is ...
Wei SHEN, Xin HU, Ze ZHANG, Ling JU, Jian WU, Yi HUANG   +5 more
doaj   +1 more source

Using fractal dimension to evaluate alveolar bone defects treated with various bone substitute materials

Open Medicine, 2013
Kozakiewicz Marcin, Chaberek Sławomir, Bogusiak Katarzyna   +2 more
doaj   +1 more source

Lumbar pedicle subtraction osteotomy: techniques and outcomes

North American Spine Society Journal (NASSJ)
Pedicle subtraction osteotomy has been thoroughly described and studied over the past 2 decades, being applied mainly in the lumbar spine, followed by the thoracic spine. Our better understanding of alignment biomechanics, and the progressive refinements of the surgical technique over time made it a very efficient procedure for the management of fixed ...
Anouar Bourghli, Louis Boissiere, Ibrahim Obeid   +2 more
openaire   +3 more sources

Efficacy analysis of percutaneous balloon compression therapy for trigeminal neuralgia guided by three-dimensional digital subtraction angiography navigation

Frontiers in Neurology
IntroductionThe aim of this study was to evaluate the clinical efficacy of percutaneous microballoon compression guided by three-dimensional digital subtraction angiography (DSA) navigation in treating primary trigeminal neuralgia.MethodsWe ...
Zhennan Xu, Hui Li, Mingfa Liu, Ke Xu
doaj   +1 more source

The use of MRI digital subtraction technique in the diagnosis of traumatic pancreatic injury. [PDF]

Radiol Case Rep, 2019
Hubbard C, Kocher MR, Hardie AD.
europepmc   +1 more source