Prof. Gordon Wetzstein Profile

Prof. Gordon Wetzstein

Assoc. Prof, Electrical Engineering & Computer Sci at Stanford Univ

SPIE Involvement:

Conference Program Committee | Author

Proceedings Article | 15 March 2023 Presentation + Paper

Deep optics: learning cameras and optical computing systems

Gordon Wetzstein

Proceedings Volume 12438, 124380A (2023) https://doi.org/10.1117/12.2646050

KEYWORDS: Image processing, Imaging systems, Computing systems, Optical computing, Evolutionary algorithms, Mathematical optimization, Cameras, Reconstruction algorithms, Machine learning, Design and modelling

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Proceedings Article | 15 March 2023 Presentation + Paper

Partially coherent neural holography with fast spatial light modulators

Suyeon Choi, Manu Gopakumar, Yifan Peng, Jonghyun Kim, Matthew O'Toole, Gordon Wetzstein

Proceedings Volume 12435, 1243502 (2023) https://doi.org/10.1117/12.2655404

KEYWORDS: Spatial light modulators, Computer generated holography, Holographic displays, Machine learning, Holography, 3D modeling, 3D image processing, 3D acquisition, Quantization, Image quality

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Proceedings Article | 8 March 2023 Presentation + Paper

Enabling ultra-compact, high-quality 3D displays with neural holography

Manu Gopakumar, Suyeon Choi, Jonghyun Kim, Yifan Peng, Gordon Wetzstein

Proceedings Volume 12445, 124450C (2023) https://doi.org/10.1117/12.2655127

KEYWORDS: Holographic displays, Image quality, Wave propagation, Holography, Machine learning, Holograms, Computer generated holography, 3D displays

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Proceedings Article | 28 March 2021 Presentation + Paper

High-quality holographic displays using double SLMs and camera-in-the-loop optimization

Suyeon Choi, Yifan Peng, Jonghyun Kim, Gordon Wetzstein

Proceedings Volume 11765, 117650R (2021) https://doi.org/10.1117/12.2584044

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Proceedings Article | 23 April 2020 Presentation + Paper

Efficient non-line-of-sight imaging with computational single-photon imaging

David Lindell, Matthew O'Toole, Gordon Wetzstein

Proceedings Volume 11386, 113860C (2020) https://doi.org/10.1117/12.2559217

KEYWORDS: Non-line-of-sight propagation, Imaging systems, Sensors, Image acquisition, Reflectivity, Image resolution, Reconstruction algorithms, Temporal resolution, Light scattering, Confocal microscopy

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Proceedings Article | 2 April 2020 Open Access

Computational Eyeglasses and Near-Eye Displays with Focus Cues (Conference Presentation)

Gordon Wetzstein

Proceedings Volume 11310, 113101K (2020) https://doi.org/10.1117/12.2566399

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Proceedings Article | 16 March 2020 Paper

Comparison of head pose tracking methods for mixed-reality neuronavigation for transcranial magnetic stimulation

Supriya Sathyanarayana, Christoph Leuze, Brian Hargreaves, Bruce Daniel, Gordon Wetzstein, Amit Etkin, Mahendra Bhati, Jennifer McNab

Proceedings Volume 11315, 113150L (2020) https://doi.org/10.1117/12.2547917

KEYWORDS: Head, Cameras, Calibration, Mixed reality, Brain

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Purpose: Repetitive Transcranial Magnetic Stimulation (rTMS) is an important treatment option for medication resistant depression. It uses an electromagnetic coil that needs to be positioned accurately at a specific location and angle next to the head such that specific brain areas are stimulated. Existing image-guided neuronavigation systems allow accurate targeting but add cost, training and setup times, preventing their wide-spread use in the clinic. Mixed-reality neuronavigation can help mitigate these issues and thereby enable more widespread use of image-based neuronavigation by providing a much more intuitive and streamlined visualization of the target. A mixed-reality neuronavigation system requires two core functionalities: 1) tracking of the patient's head and 2) visualization of targeting-related information. Here we focus on the head tracking functionality and compare three different head tracking methods for a mixed-reality neuronavigation system. Methods: We integrated three head tracking methods into the mixed reality neuronavigation framework and measured their accuracy. Specifically, we experimented with (a) marker-based tracking with a mixed reality headset (optical see-through head-mounted display (OST-HMD)) camera, (b) marker-based tracking with a world-anchored camera and (c) markerless RGB-depth (RGB-D) tracking with a world-anchored camera. To measure the accuracy of each approach, we measured the distance between real-world and virtual target points on a mannequin head. Results: The mean tracking error for the initial head pose and the head rotated by 10° and 30° for the three methods respectively was: (a) 3.54±1.10 mm, 3.79±1.78 mm and 4.08±1.88 mm, (b) 3.97±1.41 mm, 6.01±2.51 mm and 6.84±3.48 mm, (c) 3.16±2.26 mm, 4.46±2.30 mm and 5.83±3.70 mm. Conclusion: For the initial head pose, all three methods achieved the required accuracy of < 5 mm for TMS treatment. For smaller head rotations of 10°, only the marker-based (a) and markerless method (c) delivered sufficient accuracy for TMS treatment. For larger head rotations of 30°, only the marker-based method (a) achieved sufficient accuracy. While the markerless method (c) did not provide sufficient accuracy for TMS at the larger head rotations, it offers significant advantages such as occlusion-handling and stability and could potentially meet the accuracy requirements with further methodological refinements.

Proceedings Article | 15 October 2012 Paper

Light field optical flow for refractive surface reconstruction

Emishaw Iffa, Gordon Wetzstein, Wolfgang Heidrich

Proceedings Volume 8499, 84992H (2012) https://doi.org/10.1117/12.981608

KEYWORDS: Electroluminescent displays, Cameras, Refraction, Optical flow, Calibration, Data modeling, Reconstruction algorithms, Motion estimation, Visualization, Spatial resolution

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Proceedings Article | 7 February 2012 Paper

Beyond parallax barriers: applying formal optimization methods to multilayer automultiscopic displays

Douglas Lanman, Gordon Wetzstein, Matthew Hirsch, Wolfgang Heidrich, Ramesh Raskar

Proceedings Volume 8288, 82880A (2012) https://doi.org/10.1117/12.907146

KEYWORDS: LCDs, 3D displays, Polarization, 3D volumetric displays, Spatial resolution, Prototyping, Opacity, Integral imaging, Signal attenuation, Convolution

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Proceedings Article | 21 April 2005 Paper

Interacting with augmented holograms

Oliver Bimber, Thomas Zeidler, Anselm Grundhoefer, Gordon Wetzstein, Mathias Moehring, Sebastian Knoedel, Uwe Hahne

Proceedings Volume 5742, (2005) https://doi.org/10.1117/12.596860

KEYWORDS: Holograms, Holography, Visualization, Digital holography, Computer graphics, Projection systems, Scanners, Multiplexing, LCDs, Prototyping

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Showing 5 of 10 publications

Conference Committee Involvement (12)

Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) VI

27 January 2025 | San Francisco, California, United States

Optoelectronic Imaging and Multimedia Technology XI

12 October 2024 | Nantong, Jiangsu, China

Optical Architectures for Displays and Sensing in Augmented, Virtual, and Mixed Reality (AR, VR, MR) V

29 January 2024 | San Francisco, California, United States

Optoelectronic Imaging and Multimedia Technology X

15 October 2023 | Beijing, China

Digital Optical Technologies 2023

26 June 2023 | Munich, Germany

Showing 5 of 12 Conference Committees

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