Results 31 to 40 of about 3,465,798 (241)

Three Dimensional Electrical Impedance Tomography [PDF]

open access: yes, 1996
The electrical resistivity of mammalian tissues varies widely and is correlated with physiological function. Electrical impedance tomography (EIT) can be used to probe such variations in vivo, and offers a non-invasive means of imaging the internal ...
A Albert   +27 more
core   +1 more source

The diagnostic accuracy of 3D ultrasound compared to 2D ultrasound and MRI in the assessment of deep myometrial invasion in endometrial cancer patients: A systematic review

open access: yesTaiwanese Journal of Obstetrics & Gynecology, 2022
Endometrial cancer is a common malignancy in women worldwide, with myometrial invasion (MI) being an important prognostic factor, usually assessed via imaging techniques.
Apostolos Ziogas   +6 more
doaj   +1 more source

Stretchable ultrasonic transducer arrays for three-dimensional imaging on complex surfaces

open access: yesScience Advances, 2018
Ultrasound adds the third dimension to wearable sensors. Ultrasonic imaging has been implemented as a powerful tool for noninvasive subsurface inspections of both structural and biological media.
Hongjie Hu   +24 more
semanticscholar   +1 more source

Single-pixel three-dimensional imaging with time-based depth resolution [PDF]

open access: yesNature Communications, 2016
Time-of-flight three-dimensional imaging is an important tool for applications such as object recognition and remote sensing. Conventional time-of-flight three-dimensional imaging systems frequently use a raster scanned laser to measure the range of each
Min Sun   +6 more
semanticscholar   +1 more source

Three Dimensional Shape Reconstruction via Polarization Imaging and Deep Learning

open access: yesSensors, 2023
Deep-learning-based polarization 3D imaging techniques, which train networks in a data-driven manner, are capable of estimating a target’s surface normal distribution under passive lighting conditions.
Xianyu Wu   +4 more
doaj   +1 more source

A bright organic NIR-II nanofluorophore for three-dimensional imaging into biological tissues

open access: yesNature Communications, 2018
Fluorescence imaging of biological systems in the second near-infrared (NIR-II, 1000–1700 nm) window has shown promise of high spatial resolution, low background, and deep tissue penetration owing to low autofluorescence and suppressed scattering of long
Hao Wan   +18 more
semanticscholar   +1 more source

Three‐dimensional decoupling imaging method for wideband two‐dimensional multiple‐input‐multiple‐output radar

open access: yesIET Radar, Sonar & Navigation, 2022
Wideband two‐dimensional multiple input multiple output (MIMO) radar can be used for target three‐dimensional (3‐D) imaging. As the echo of wideband MIMO radar is derived from both time and spatial sampling, the time‐frequency coupling is contained ...
Shanshan Ding   +4 more
doaj   +1 more source

Volume Holographic Hyperspectral Imaging [PDF]

open access: yes, 2004
A volume hologram has two degenerate Bragg-phase-matching dimensions and provides the capability of volume holographic imaging. We demonstrate two volume holographic imaging architectures and investigate their imaging resolution, aberration, and ...
Barbastathis, George   +2 more
core   +1 more source

Application of Three-Dimensional Technology for the Preoperative Evaluation of Retroperitoneal Tumors

open access: yesIEEE Access, 2019
With the development of computer medical imaging technology, three-dimensional technology has been gradually applied in medicine. We try to investigate the application value of 3D technology in the preoperative evaluation of retroperitoneal tumors.
Zhaojie Su   +7 more
doaj   +1 more source

Artificial Intelligence Applications in Orthodontics

open access: yesJournal of the California Dental Association, 2023
Objective This manuscript describes strategies for assessment of precision of several diagnostic artificial intelligence (AI) tools in orthodontics, available open-source image analysis platforms, as well as the use of three-dimensional (3D) surface ...
Felicia Miranda   +18 more
doaj   +1 more source

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