67,868 Works

Depth-expression characteristics of multi-projection 3D display systems [Invited]

Soon-Gi Park, Jong-Young Hong, Chang-Kun Lee, Matheus Miranda, Youngmin Kim & Byoungho Lee
A multi-projection display consists of multiple projection units. Because of the large amount of data, a multi-projection system shows large, high-quality images. According to the projection geometry and the optical configuration, multi-projection systems show different viewing characteristics for generated three-dimensional images. In this paper, we analyzed the various projection geometries of multi-projection systems, and explained the different depth-expression characteristics for each individual projection geometry. We also demonstrated the depth-expression characteristic of an experimental multi-projection system.

Media 1: Depth-expression characteristics of multi-projection 3D display systems [Invited]

Soon-Gi Park, Jong-Young Hong, Chang-Kun Lee, Matheus Miranda, Youngmin Kim & Byoungho Lee
Originally published in Applied Optics on 20 September 2014 (ao-53-27-G198)

Media 1: Depth-expression characteristics of multi-projection 3D display systems [Invited]

Soon-Gi Park, Jong-Young Hong, Chang-Kun Lee, Matheus Miranda, Youngmin Kim & Byoungho Lee
Originally published in Applied Optics on 20 September 2014 (ao-53-27-G198)

Depth-expression characteristics of multi-projection 3D display systems [Invited]

Soon-Gi Park, Jong-Young Hong, Chang-Kun Lee, Matheus Miranda, Youngmin Kim & Byoungho Lee
A multi-projection display consists of multiple projection units. Because of the large amount of data, a multi-projection system shows large, high-quality images. According to the projection geometry and the optical configuration, multi-projection systems show different viewing characteristics for generated three-dimensional images. In this paper, we analyzed the various projection geometries of multi-projection systems, and explained the different depth-expression characteristics for each individual projection geometry. We also demonstrated the depth-expression characteristic of an experimental multi-projection system.

Media 4: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 4: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
A method for fast computer hologram generation for long-depth objects using double wavefront recording planes (WRPs) and a graphics-processing unit (GPU) is presented. The WRPs are placed between the object and the hologram plane. Each WRP records the wavefront from a section of the object. Double WRPs can provide a shorter calculation time and enhanced reconstructed image quality compared with a single WRP, especially for long-depth objects. The average generation speed of two WRPs is...

Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
A method for fast computer hologram generation for long-depth objects using double wavefront recording planes (WRPs) and a graphics-processing unit (GPU) is presented. The WRPs are placed between the object and the hologram plane. Each WRP records the wavefront from a section of the object. Double WRPs can provide a shorter calculation time and enhanced reconstructed image quality compared with a single WRP, especially for long-depth objects. The average generation speed of two WRPs is...

Media 3: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 3: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 2: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 2: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 1: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 1: Generation speed and reconstructed image quality enhancement of a long-depth object using double wavefront recording planes and a GPU

Anh-Hoang Phan, Mei-Lan Piao, Sang-Keun Gil & Nam Kim
Originally published in Applied Optics on 01 August 2014 (ao-53-22-4817)

Media 9: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 9: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Using full-sky imaging polarimetry, we measured the celestial distribution of polarization during sunset and sunrise at partial (78% and 72%) and full (100%) moon in the red (650 nm), green (550 nm), and blue (450 nm) parts of the spectrum. We investigated the temporal change of the patterns of degree p and angle α of linear polarization of sunlit and moonlit skies at dusk and dawn. We describe here the position change of the neutral points of sky...

Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Using full-sky imaging polarimetry, we measured the celestial distribution of polarization during sunset and sunrise at partial (78% and 72%) and full (100%) moon in the red (650 nm), green (550 nm), and blue (450 nm) parts of the spectrum. We investigated the temporal change of the patterns of degree p and angle α of linear polarization of sunlit and moonlit skies at dusk and dawn. We describe here the position change of the neutral points of sky...

Media 8: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 8: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 7: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 7: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 6: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 6: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

Media 5: Polarization transition between sunlit and moonlit skies with possible implications for animal orientation and Viking navigation: anomalous celestial twilight polarization at partial moon

András Barta, Alexandra Farkas, Dénes Száz, Ádám Egri, Pál Barta, József Kovács, Balázs Csák, István Jankovics, Gyula Szabó & Gábor Horváth
Originally published in Applied Optics on 10 August 2014 (ao-53-23-5193)

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