Browsing by Keywords "Computer generated holography"
Now showing items 1-18 of 18
-
Capture, processing, and display of real-world 3D objects using digital holography
(2010)"Digital holography for 3D and 4D real-world objects' capture, processing, and display" (acronym "Real 3D") is a research project funded under the Information and Communication Technologies theme of the European Commission's ... -
Circularly configured multi-SLM holographic display system
(IEEE, 2011)The designed circular holographic display system produces ghost-like 3D optical reconstructions of a computer generated 3D model. System uses six phase-only reflective-type spatial light modulators (SLMs) that are configured ... -
Color holographic reconstruction using multiple SLMs and LED illumination
(S P I E - International Society for Optical Engineering, 2009)A color holographic reconstruction technique by using three light emitting diodes (LEDs) is described. Reflective type phase-only spatial light modulators (SLMs) are used since they are suitable for in-line phase holograms. ... -
Current research activities on holographic video displays
(S P I E - International Society for Optical Engineering, 2010)"True 3D" display technologies target replication of physical volume light distributions. Holography is a promising true 3D technique. Widespread utilization of holographic 3D video displays is hindered by current technological ... -
Effect of sample locations on computation of the exact scalar diffraction field (in English)
(IEEE, 2012)Computer generated holography is one of common methods to obtain three-dimensional visualization. It can be explained by behavior of propagating waves and interference. To calculate the scalar diffraction pattern on a ... -
Exact diffraction calculation from fields specified over arbitrary curved surfaces
(Elsevier, 2011-07-30)Calculation of the scalar diffraction field over the entire space from a given field over a surface is an important problem in computer generated holography. A straightforward approach to compute the diffraction field from ... -
Feature issue of digital holography and 3D imaging (DH) introduction
(Optical Society of American (OSA), 2014)The OSA Topical Meeting "Digital Holography and 3D Imaging (DH)," was held in Seattle, Washington, July 13-17, 2014. Feature issues based on the DH meeting series have been released by Applied Optics (AO) since 2007. This ... -
Holographic 3DTV research within the european 3DTV project
(Optical Society of America, 2008)A European project on 3DTV has been functional since September 2004. Holographic displays for 3DTV and signal processing issues associated with diffraction and holography are among research interests. The research has ... -
Infrared digital holography applications for virtual museums and diagnostics of cultural heritage
(2011)Infrared digital holograms of different statuettes are acquired. For each object, a sequence of holograms is recorded rotating the statuette with an angular step of few degrees. The holograms of the moving objects are used ... -
Multi-SLM holographic display system with planar configuration
(IEEE, 2010)Holographic display system that uses six phase-only spatial light modulators (SLMs) performs holographic reconstructions from the phase-hologram of a point cloud that is extracted from 3D object. The SLMs are tiled as a ... -
Processing of optically-captured digital holograms for three-dimensional display
(2009)In digital holography, holograms are usually optically captured and then two-dimensional slices of the reconstruction volume are reconstructed by computer and displayed on a two-dimensional display. When the recording is ... -
Quality comparison and acceleration for digital hologram generation method based on segmentation
(IEEE, 2009)A holographic fringe pattern generation methods is based on Fraunhofer diffraction and subsequent segmentation and approximation of the fringe pattern. Several modifications of the original algorithm are already proposed ... -
Real-time color holographic video display system
(IEEE, 2009)A real-time multi-GPU color holographic video display system computes holograms from 3D video of a rigid object. System has three main stages; client, server and optics. 3D coordinate and texture information are kept in ... -
Real-time fringe pattern generation with high quality
(Optical Society of America, 2009)A hologram computation procedure and its GPU implementation are presented. The procedure is based on partitioning. Each segment has an approximate but simpler frequency domain representation. Quality of the results is ... -
Real-time multiple SLM color holographic display using multiple GPU acceleration
(Optical Society of America, 2009)A real-time color holographic video display system computes holograms from point cloud of a rigid object by using multi-GPU system and uses three different colored LEDs for reconstruction. Experimental results are satisfactory. ... -
Simulation of scalar optical diffraction between arbitrarily oriented planes
(IEEE, 2004)Scalar optical diffraction between arbitrarily oriented planes for monochromatic waves is analyzed and a simulator based on a discrete model is developed. The model is based directly on the Rayleigh-Sommerfeld diffraction ... -
Some mathematical properties of the uniformly sampled quadratic phase function and associated issues in digital Fresnel diffraction simulations
(SPIE - International Society for Optical Engineering, 2004)The quadratic phase function is fundamental in describing and computing wave-propagation-related phenomena under the Fresnel approximation; it is also frequently used in many signal processing algorithms. This function has ... -
Thereconstruction quality improvement of holographic stereograms via variable size segmentation
(2010)As computer generated holograms becomes more common, the fast computation of holographic interference patterns in digital environment becomes a necessity. Since the computation time of holograms via Fresnel (or ...
