Dr. Yonggang Ha Profile

Dr. Yonggang Ha

Hardware Engineer at Aurora Innovation Inc

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Author

Publications (9)

Proceedings Article | 1 September 2005 Paper

Design of a compact optical see-through head-worn display with mutual occlusion capability

Ozan Cakmakci, Yonggang Ha, Jannick Rolland

Proceedings Volume 5875, 58750H (2005) https://doi.org/10.1117/12.617963

KEYWORDS: Objectives, Distortion, Prisms, Modulators, Liquid crystal on silicon, Augmented reality, Diffractive optical elements, Lens design, Telescopes, Video

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Proceedings Article | 8 September 2004 Paper

Projection-based head-mounted displays for wearable computers

Ricardo Martins, Vesselin Shaoulov, Yonggang Ha, Jannick Rolland

Proceedings Volume 5442, (2004) https://doi.org/10.1117/12.542778

KEYWORDS: Head-mounted displays, Projection systems, Computing systems, Microlens array, Image quality, Eye, Lenses, Organic light emitting diodes, Beam splitters, 3D visualizations

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Proceedings Article | 8 September 2004 Paper

Optical modeling of a holographic single-element head-mounted display

Yonggang Ha, Vadim Smirnov, Leonid Glebov, Jannick Rolland

Proceedings Volume 5442, (2004) https://doi.org/10.1117/12.542638

KEYWORDS: Holographic optical elements, Holography, Wavefronts, Head-mounted displays, Optical design, Optical components, Chemical elements, Glasses, Diffraction, Modulation transfer functions

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Proceedings Article | 23 December 2002 Paper

Design of a wearable wide-angle projection color display

Yonggang Ha, Hong Hua, Ricardo Martins, Jannick Rolland

Proceedings Volume 4832, (2002) https://doi.org/10.1117/12.486486

KEYWORDS: Head-mounted displays, Optical design, Visualization, Lenses, Eye, Projection systems, Diffractive optical elements, LCDs, Distortion, Aspheric lenses

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Proceedings Article | 5 August 2002 Paper

Application of augmented reality to visualizing anatomical airways

Larry Davis, Felix Hamza-Lup, Jason Daly, Yonggang Ha, Seth Frolich, Catherine Meyer, Glenn Martin, Jack Norfleet, Kuo-Chi Lin, Celina Imielinska, Jannick Rolland

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478890

KEYWORDS: Visualization, Augmented reality, Computer simulations, Head-mounted displays, 3D modeling, 3D visualizations, Optical tracking, Autoregressive models, Computing systems, Eye

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Proceedings Article | 5 August 2002 Paper

Head-mounted projective displays for creating distributed collaborative environments

Jannick Rolland, Larry Davis, Yonggang Ha, Felix Hamza-Lup, Benjamin Del Vento, Chunyu Gao, Hong Hua, Frank Biocca

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478889

KEYWORDS: Head-mounted displays, Augmented reality, Visualization, Algorithm development, Motion models, 3D modeling, Optical tracking, Head, Virtual reality, Calibration

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Proceedings Article | 5 August 2002 Paper

Methods for the assessment of head-mounted displays in visual space

Yonggang Ha, Jannick Rolland

Proceedings Volume 4711, (2002) https://doi.org/10.1117/12.478898

KEYWORDS: Visualization, Monochromatic aberrations, Head-mounted displays, Modulation transfer functions, Eye, Visual optics, Image quality, Ray tracing, Distortion, Spatial frequencies

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Proceedings Article | 10 December 2001 Paper

New paradigm for head-mounted display technology: application to medical visualization and remote collaborative environments

Jannick Rolland, Y. Ha, L. Davis, Hong Hua, C. Gao, Frank Biocca

Proceedings Volume 4442, (2001) https://doi.org/10.1117/12.449956

KEYWORDS: Head-mounted displays, Visualization, Virtual reality, Projection systems, 3D visualizations, 3D modeling, 3D displays, Prototyping, Beam splitters, Geometrical optics

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Proceedings Article | 5 August 1998 Paper

Diffractive optical element for Zernike decomposition

Yonggang Ha, Dazun Zhao, Yongtian Wang, Victor Kotlyar, Svetlana Khonina, Victor Soifer

Proceedings Volume 3557, (1998) https://doi.org/10.1117/12.318300

KEYWORDS: Wavefronts, Diffractive optical elements, Zernike polynomials, Diffraction, Optical filters, Phase retrieval, Iterative methods, Phase only filters, Wavefront sensors, Optical engineering

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Showing 5 of 9 publications

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