Results 41 to 50 of about 113,063 (166)

Deep Belief Network Modeling for Automatic Liver Segmentation

open access: yesIEEE Access, 2019
The liver segmentation in CT scan images is a significant step toward the development of a quantitative biomarker for computer-aided diagnosis. In this paper, we propose an automatic feature learning algorithm based on the deep belief network (DBN) for ...
Mubashir Ahmad   +7 more
doaj   +1 more source

Radiationless optical modes in metasurfaces: recent progress and applications

open access: yesLight: Science & Applications
Non-radiative optical modes attracted enormous attention in optics due to strong light confinement and giant Q-factor at its spectral position. The destructive interference of multipoles leads to zero net-radiation and strong field trapping.
Naseer Muhammad   +4 more
doaj   +1 more source

Mixed Reality Images

open access: yes, 2023
The interplay of physical reality and digital media technologies is getting enhanced by new interfaces. The age of hyper-reality turns into the age of hyper-aesthetics and immersive image technologies – like mixed reality – enable a completely novel form of interaction and user relation with the virtual image structures, the different screen ...
openaire   +1 more source

Large Depth‐of‐Field, Large Eyebox, and Wide Field‐of‐View Freeform‐Holographic Augmented Reality Near‐Eye Display

open access: yesAdvanced Science
Augmented reality (AR) presents virtual information seamlessly integrated with real‐world scenes, advancing information interaction for human society. Traditional AR displays struggle to simultaneously achieve large depth‐of‐field (DOF), large viewing ...
Yongdong Wang   +4 more
doaj   +1 more source

Multiple Features Decomposition for Subcutaneous Vein Extraction and Measurement

open access: yesIEEE Access, 2018
Subcutaneous veins should be accurately segmented to satisfy the emerging demands in biometrics-based identity recognition, automated intravenous injection, and vascular surgical navigation.
Jingfan Fan   +6 more
doaj   +1 more source

Lossless intrinsic image decomposition via learning shading feature filtering

open access: yesComputational Visual Media
Intrinsic image decomposition decomposes an image into reflectance and shading. It has been applied in image editing, augmented reality, and geometry estimation. However, the complete decoupling between reflectance and shading, as well as the consistency
Hao Sha   +5 more
doaj   +1 more source

High-Performance CsPbI2Br Perovskite Solar Cells with Zinc and Manganese Doping

open access: yesNanoscale Research Letters, 2019
Photovoltaic performances of CsPbI2Br solar cells are still lower than those of hybrid inorganic–organic perovskite solar cells, and researchers are exploring ways to improve their efficiencies.
Ubaid Khan   +4 more
doaj   +1 more source

Design Method of Time‐Multiplexed Ultrashort Throw Ratio Projection System with Low Distortion and Uniform Resolution

open access: yesAdvanced Photonics Research
Time‐multiplexed laser projection is recognized as a promising projection technology owing to its broad color gamut and high energy efficiency. The escalating demands for enhanced laser safety and reduced space occupation necessitate the development of ...
Yuefan Shan   +5 more
doaj   +1 more source

Curved Holographic Augmented Reality Near-Eye Display System Based on Freeform Holographic Optical Element with Extended Field of View

open access: yesPhotonics
At present, most near-eye display devices adopt flat substrates, which have problems such as limited field of view (FOV) and bulky shape, while the curved structure is expected to expand the FOV with appropriate volume. In this paper, we propose a curved
Hong Xu, Yuan Xu, Changyu Wang, Juan Liu
doaj   +1 more source

Augmented reality surgical navigation: Clinical applications, key technologies, and future directions

open access: yesVirtual Reality & Intelligent Hardware
Surgical navigation has evolved significantly through advances in augmented reality, virtual reality, and mixed reality, improving precision and safety across many clinical applications, including neurosurgery, maxillofacial, spinal, and arthroplasty ...
Yuanyuan WANG   +11 more
doaj   +1 more source

Home - About - Disclaimer - Privacy