9 citations · 63 across the 23 of their papers we have counts for
25 papers
HoloChrome: Polychromatic Illumination for Speckle Reduction in Holographic Near-Eye Displays
Florian Schiffers, Grace Kuo, Nathan Matsuda +2
Holographic displays hold the promise of providing authentic depth cues, resulting in enhanced immersive visual experiences for near-eye applications. However, current holographic…
Multisource Holography
Grace Kuo, Florian Schiffers, Douglas Lanman +2
Holographic displays promise several benefits including high quality 3D imagery, accurate accommodation cues, and compact form-factors. However, holography relies on coherent illum…
Accurate Eye Tracking from Dense 3D Surface Reconstructions using Single-Shot Deflectometry
Jiazhang Wang, Tianfu Wang, Bingjie Xu +2
Eye-tracking plays a crucial role in the development of virtual reality devices, neuroscience research, and psychology. Despite its significance in numerous applications, achieving…
Stochastic Light Field Holography
Florian Schiffers, Praneeth Chakravarthula, Nathan Matsuda +5
The Visual Turing Test is the ultimate goal to evaluate the realism of holographic displays. Previous studies have focused on addressing challenges such as limited étendue and imag…
Optimization-Based Eye Tracking using Deflectometric Information
Tianfu Wang, Jiazhang Wang, Oliver Cossairt +1
Eye tracking is an important tool with a wide range of applications in Virtual, Augmented, and Mixed Reality (VR/AR/MR) technologies. State-of-the-art eye tracking methods are eith…
Simultaneous Color Computer Generated Holography
Eric Markley, Nathan Matsuda, Florian Schiffers +2
Computer generated holography has long been touted as the future of augmented and virtual reality (AR/VR) displays, but has yet to be realized in practice. Previous high-quality, c…
Denoising Fast X-Ray Fluorescence Raster Scans of Paintings
Henry Chopp, Alicia McGeachy, Matthias Alfeld +3
Macro x-ray fluorescence (XRF) imaging of cultural heritage objects, while a popular non-invasive technique for providing elemental distribution maps, is a slow acquisition process…
Pupil-aware Holography
Praneeth Chakravarthula, Seung-Hwan Baek, Florian Schiffers +7
Holographic displays promise to deliver unprecedented display capabilities in augmented reality applications, featuring a wide field of view, wide color gamut, spatial resolution,…
Anatomy of a superorganism -- structure and growth dynamics of army ant bivouacs
Thomas Bochynek, Florian Schiffers, André Aichert +3
Beyond unicellular and multicellular organisms, there is a third type of structural complexity in living animals: that of the mechanical self-assembly of groups of distinct multice…
Characterizing the Immaterial. Noninvasive Imaging and Analysis of Stephen Benton's Hologram Engine no. 9
Marc Walton, Pengxiao Hao, Marc Vermeulen +2
Invented in 1962, holography is a unique merging of art and technology. It persisted at the scientific cutting edge through the 1990s, when digital imaging emerged and supplanted f…
LiveView: Dynamic Target-Centered MPI for View Synthesis
Sushobhan Ghosh, Zhaoyang Lv, Nathan Matsuda +3
Existing Multi-Plane Image (MPI) based view-synthesis methods generate an MPI aligned with the input view using a fixed number of planes in one forward pass. These methods produce…
Plot2Spectra: an Automatic Spectra Extraction Tool
Weixin Jiang, Eric Schwenker, Trevor Spreadbury +3
Different types of spectroscopies, such as X-ray absorption near edge structure (XANES) and Raman spectroscopy, play a very important role in analyzing the characteristics of diffe…
Removing Blocking Artifacts in Video Streams Using Event Cameras
Henry H. Chopp, Srutarshi Banerjee, Oliver Cossairt +1
In this paper, we propose EveRestNet, a convolutional neural network designed to remove blocking artifacts in videostreams using events from neuromorphic sensors. We first degrade…
EXSCLAIM! -- An automated pipeline for the construction of labeled materials imaging datasets from literature
Eric Schwenker, Weixin Jiang, Trevor Spreadbury +3
Due to recent improvements in image resolution and acquisition speed, materials microscopy is experiencing an explosion of published imaging data. The standard publication format,…
SkinScan: Low-Cost 3D-Scanning for Dermatologic Diagnosis and Documentation
Merlin A. Nau, Florian Schiffers, Yunhao Li +7
The utilization of computational photography becomes increasingly essential in the medical field. Today, imaging techniques for dermatology range from two-dimensional (2D) color im…
A Two-stage Framework for Compound Figure Separation
Weixin Jiang, Eric Schwenker, Trevor Spreadbury +3
Scientific literature contains large volumes of complex, unstructured figures that are compound in nature (i.e. composed of multiple images, graphs, and drawings). Separation of th…
E3D: Event-Based 3D Shape Reconstruction
Alexis Baudron, Zihao W. Wang, Oliver Cossairt +1
3D shape reconstruction is a primary component of augmented/virtual reality. Despite being highly advanced, existing solutions based on RGB, RGB-D and Lidar sensors are power and d…
2-Step Sparse-View CT Reconstruction with a Domain-Specific Perceptual Network
Haoyu Wei, Florian Schiffers, Tobias Würfl +4
Computed tomography is widely used to examine internal structures in a non-destructive manner. To obtain high-quality reconstructions, one typically has to acquire a densely sample…
Disassemblable Fieldwork CT Scanner Using a 3D-printed Calibration Phantom
Florian Schiffers, Thomas Bochynek, Andre Aichert +3
The use of computed tomography (CT) imaging has become of increasing interest to academic areas outside of the field of medical imaging and industrial inspection, e.g., to biology…
Improved Spectral Imaging Microscopy for Cultural Heritage through Oblique Illumination
Lindsay Oakley, Stephanie Zaleski, Billie Males +2
This work presents the development of a flexible microscopic chemical imaging platform for cultural heritage that utilizes wavelength-tunable oblique illumination from a point sour…
Semantic Segmentation for Compound figures
Weixin Jiang, Eric Schwenker, Maria Chan +1
Scientific literature contains large volumes of unstructured data,with over 30\% of figures constructed as a combination of multiple images, these compound figures cannot be analyz…
Uncalibrated Deflectometry with a Mobile Device on Extended Specular Surfaces
Florian Willomitzer, Chia-Kai Yeh, Vikas Gupta +4
We introduce a system and methods for the three-dimensional measurement of extended specular surfaces with high surface normal variations. Our system consists only of a mobile hand…
Stretchcam: Zooming Using Thin, Elastic Optics
Daniel C. Sims, Oliver Cossairt, Yonghao Yu +1
Stretchcam is a thin camera with a lens capable of zooming with small actuations. In our design, an elastic lens array is placed on top of a sparse, rigid array of pixels. This len…
Subsampled Phase Retrieval for On-chip Lensless Holographic Video
Donghun Ryu, Zihao Wang, Kuan He +2
On-chip holographic video is a convenient way to monitor biological samples simultaneously at high spatial resolution and over a wide field-of-view. However, due to the limited rea…