Results 11 to 20 of about 1,459,329 (226)

Edge enhanced depth perception with binocular meta-lens

Opto-Electronic Science
The increasing popularity of the metaverse has led to a growing interest and market size in spatial computing from both academia and industry. Developing portable and accurate imaging and depth sensing systems is crucial for advancing next-generation ...
Xiaoyuan Liu, Jingcheng Zhang, Borui Leng, Yin Zhou, Jialuo Cheng, Takeshi Yamaguchi, Takuo Tanaka, Mu Ku Chen   +7 more
doaj   +2 more sources

Choroidal Thickness in Different Degrees of Myopia Measured by Enhanced Depth Imaging Mode Optical Coherence Tomography [PDF]

International Journal of Medical Arts, 2022
Background: Choroidal thickness [CT] is associated with many ocular conditions. Different generations of optical coherence tomography [OCT] are important for clinical application.Objective: This study aimed to evaluate the effect of myopia on CT by the ...
Esraa Abd-Elkhalek, Heba Abdelrahman, Mona Aly, Ahmed Abdullah   +3 more
doaj   +1 more source

Structure-function relationships in glaucoma using enhanced depth imaging optical coherence tomography-derived parameters: a cross-sectional observational study. [PDF]

BMC Ophthalmol, 2019
BackgroundTo investigate structural and functional correlations in glaucoma patients using enhanced depth imaging spectral-domain optical coherence tomography (EDI OCT)-derived parameters.MethodsWe prospectively enrolled healthy participants and ...
Lopes FS, Matsubara I, Almeida I, Dorairaj SK, Vessani RM, Paranhos A, Prata TS.   +6 more
europepmc   +2 more sources

Evaluation of choroidal tumors with optical coherence tomography: enhanced depth imaging and OCT-angiography features. [PDF]

Eye (Lond), 2017
Cennamo G, Romano MR, Breve MA, Velotti N, Reibaldi M, de Crecchio G, Cennamo G.   +6 more
europepmc   +2 more sources

High-Speed 600 GHz-Band Terahertz Imaging Scanner System with Enhanced Focal Depth

Photonics, 2022
Lenses/mirrors with fast data acquisition speeds and extended focal depths have practical importance in terahertz (THz) imaging systems. Thus, a high-speed 600 GHz-band THz imaging scanner system with enhanced focal depth is presented in this work.
Yaheng Wang, Li Yi, Masayoshi Tonouchi, Tadao Nagatsuma   +3 more
doaj   +1 more source

Optic disc vessel density in nonglaucomatous and glaucomatous eyes: an enhanced-depth imaging optical coherence tomography angiography study. [PDF]

Clin Ophthalmol, 2018
Purpose To evaluate the ability of enhanced-depth imaging (EDI) optical coherence tomography angiography (OCTA) to detect vascular signals inside the glaucomatous optic disc. Patients and methods Ten glaucomatous eyes of 8 subjects and 11 nonglaucomatous
Yoshikawa Y, Shoji T, Kanno J, Kimura I, Hangai M, Shinoda K.   +5 more
europepmc   +2 more sources

Depth-of-Field Enhancement in Integral Imaging by Selective Depth-Deconvolution [PDF]

Journal of Display Technology, 2014
One of the major drawbacks of the integral imaging technique is its limited depth of field. Such limitation is imposed by the numerical aperture of the microlenses. In this paper, we propose a method to extend the depth of field of integral imaging systems in the reconstruction stage.
Navarro Fructuoso, Héctor, Saavedra Tortosa, Genaro, Martínez Corral, Manuel, Sjöström, Marten, Olsson, Roger   +4 more
openaire   +2 more sources

Imaging evidence of diabetic choroidopathy in vivo: angiographic pathoanatomy and choroidal-enhanced depth imaging. [PDF]

PLoS ONE, 2013
PURPOSE: To describe the pathoanatomy of diabetic choroidopathy (DC) in pre-diagnosed diabetic retinopathy (DR) cases and to provide angiographic and optical evidence for DC using indocyanine green angiography (ICGA) and enhanced depth imaging spectral ...
Rui Hua, Limin Liu, Xinling Wang, Lei Chen   +3 more
doaj   +1 more source

An image-guided network for depth edge enhancement

EURASIP Journal on Image and Video Processing, 2021
Abstract With the rapid development of 3D coding and display technologies, numerous applications are emerging to target human immersive entertainments. To achieve a prime 3D visual experience, high accuracy depth maps play a crucial role.
Kuan-Ting Lee, En-Rwei Liu, Jar-Ferr Yang, Li Hong   +3 more
openaire   +2 more sources

Image enhancement by unsharp masking the depth buffer [PDF]

ACM SIGGRAPH 2006 Papers on - SIGGRAPH '06, 2006
We present a simple and efficient method to enhance the perceptual quality of images that contain depth information. Similar to an unsharp mask, the difference between the original depth buffer content and a low-pass filtered copy is utilized to determine information about spatially important areas in a scene.
Luft, Thomas, Colditz, Carsten, Deussen, Oliver   +2 more
openaire   +2 more sources