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Novel, label-free imaging technique brings out the inner light in T cells（图）
Novel label-free imaging technique brings out inner light T cells
2020/7/31
T cells are the immune soldiers at the frontline of the battle with infiltrating pathogens that seek to cause disease. A new studypublished in Nature Biomedical Engineering describes a ...
Local versus Global in Quasi-Conformal Mapping for Medical Imaging
Surface flattening Virtual colonoscopy Computer aided detection Gray-scale images Quasiconformal mapping Maximal dilatation Quasi-isometry Distortion Conformal modulus Quasigeodesic
2010/1/8
A method and algorithm of flattening folded surfaces, for two-dimensional representation and analysis of medical images, are presented. The method is based on an application to triangular meshes of cl...
A new method of spatial compounding imaging
Ultrasound imaging Spatial compounding Speckle reduction
2010/1/6
A new method of spatial compound imaging is presented that improves image quality without the usual requirement to decreasethe frame rate. The new method of imaging utilizes three transducers for data...
Electromagnetic Impedance Tomography (EMIT): A New Method for Impedance Imaging
Condition number electromagnetic impedance
2010/1/6
We propose a new impedance imaging method,
electromagnetic impedance tomography (EMIT), in which the
boundary electric potential measurements in electrical impedance
tomography (EIT) are augmented ...
High-Speed Fluorescence Imaging and Intensity Profiling of Femtosecond-Induced Calcium Transients
Imaging Calcium Transients
2009/9/8
We have demonstrated a combined imaging system, where the physiology of biological specimens can be imaged and profiled at 10–20 frames per second whilst undergoing femtosecond laser irradiation. Indi...
Increased Depth of Cellular Imaging in the Intact Lung Using Far-Red and Near-Infrared Fluorescent Probes
Cellular Imaging Near-Infrared Fluorescent Probes
2009/9/8
Scattering of shorter-wavelength visible light limits the fluorescence imaging depth of thick specimens such as whole organs. In this study, we report the use of four newly synthesized near-infrared a...
Impacts of Filtration on Contrast-Detail Detectability of an X-ray Imaging System
Contrast-Detail Detectability X-ray Imaging System
2009/9/8
The purpose of this study is to investigate the impacts of added filtration on the contrast-detail detectability of a digital X-ray imaging system for small animal studies. A digital X-ray imaging sys...
Assessment of Left Ventricular Function in Cardiac MSCT Imaging by a 4D Hierarchical Surface-Volume Matching Process
MSCT 4D Hierarchical Surface-Volume Matching Process
2009/9/8
Multislice computed tomography (MSCT) scanners offer new perspectives for cardiac kinetics evaluation with 4D dynamic sequences of high contrast and spatiotemporal resolutions. A new method is propose...
The Application of Diffusion- and Perfusion-Weighted Magnetic Resonance Imaging in the Diagnosis and Therapy of Acute Cerebral Infarction
Imaging Diagnosis Therapy of Acute Cerebral Infarction
2009/9/8
Diffusion- and perfusion-weighted magnetic resonance imaging (DWI and PWI) was applied for stroke diagnose in 120 acute (<48 h) ischemic stroke patients. At hyperacute (<6 h) stage, it is difficult to...
Anisotropic Elastography for Local Passive Properties and Active Contractility of Myocardium from Dynamic Heart Imaging Sequence
Myocardium Dynamic Heart Imaging Sequence
2009/9/8
Major heart diseases such as ischemia and hypertrophic myocardiopathy are accompanied with significant changes in the passive mechanical properties and active contractility of myocardium. Identificati...
ESTERR-PRO: A Setup Verification Software System Using Electronic Portal Imaging
ESTERR-PRO Imaging
2009/9/8
The purpose of the paper is to present and evaluate the performance of a new software-based registration system for patient setup verification, during radiotherapy, using electronic portal images. The...
Multimodality Imaging of the Peripheral Venous System
Multimodality Imaging Peripheral Venous System
2009/9/8
The purpose of this article is to review the spectrum of image-based diagnostic tools used in the investigation of suspected deep vein thrombosis (DVT). Summary of the experience gained by the author ...
Integration of Vibro-Acoustography Imaging Modality with the Traditional Mammography
Vibro-Acoustography Imaging Traditional Mammography
2009/9/7
Vibro-acoustography (VA) is a new imaging modality that has been applied to both medical and industrial imaging. Integrating unique diagnostic information of VA with other medical imaging is one of ou...
Adaptive Bayesian Iterative Transmission Reconstruction for Attenuation Correction in Myocardial Perfusion Imaging with SPECT/Slow-Rotation Low-Output CT Systems
Myocardial Perfusion Imaging SPECT/Slow-Rotation Low-Output CT Systems
2009/9/7
Objectives. SPECT/slow-rotation low-output CT systems can produce streak artifacts in filtered backprojection (FBP) attenuation maps, impacting attenuation correction (AC) in myocardial perfusion imag...
Towards a Noninvasive Intracranial Tumor Irradiation Using 3D Optical Imaging and Multimodal Data Registration
3D Optical Imaging Multimodal Data Registration
2009/9/7
Conformal radiotherapy (CRT) results in high-precision tumor volume irradiation. In fractioned radiotherapy (FRT), lesions are irradiated in several sessions so that healthy neighbouring tissues are b...