Wolfgang Heidrich

Latest

• Progressive self-supervised learning for CASSI computational spectral cameras
• Comparative performance analysis of multi-level diffractive lens and lens fabricated by grayscale lithography and soft-imprinting
• Limitations of hyperspectral imaging from RGB images: A data perspective
• CAL2: project update of the NRC Canada facility-class focal plane wavefront sensor for the Gemini Planet Imager 2 upgrade
• Curriculum learning for ab initio deep learned refractive optics
• Split-aperture 2-in-1 computational cameras
• Neural Étendue expander for ultra-wide-angle high-fidelity holographic display
• Additive fabrication of SiO2-based micro-optics with lag-free depth and reduced roughness
• Hexagonal diffractive optical elements
• Additive diffractive optical elements fabrication by PECVP deposition of SiO2 and lift-off process
• Aberration-aware depth-from-focus
• Extended Depth-of-Field Projector using Learned Diffractive Optics
• Diffractive lensless imaging with optimized Voronoi-Fresnel phase
• Deployment of focal plane WFS technologies on 8-m telescopes: from the Subaru SPIDERS pathfinder, to the facility-class GPI 2.0 CAL2 system
• Optical design of SPIDERS, a Subaru Pathfinder Instrument for Detecting Exoplanets and Retrieving Spectra
• Performance of the FAST self coherent camera at the NEW-EARTH lab and a simplified SCC measurement algorithm
• Pupil-plane LLOWFS simulation and laboratory results from NEW-EARTH’s high-contrast imaging testbed
• Various wavefront sensing and control developments on the Santa Cruz extreme AO laboratory (SEAL) testbedh
• Seeing through obstructions with diffractive cloaking
• Automatic lens design based on differentiable ray-tracing
• Additive lithographic fabrication of a Tilt-Gaussian-Vortex mask for focal plane wavefront sensing
• Etch-free additive lithographic fabrication methods for reflective and transmissive micro-optics
• Multispectral Illumination Estimation using Deep Unrolling Network
• End-to-End Complex Lens Design with Differentiable Ray Tracing
• Mask-ToF: Learning Microlens Masks for Flying Pixel Correction in Time-of-Flight Imaging
• Transfer Deep Learning for Reconfigurable Snapshot HDR Imaging Using Coded Masks
• Linear Polarization Demosaicking for Monochrome and Color Polarization Focal Plane Arrays
• Optical design and preliminary results of NEW EARTH, first Canadian high-contrast imaging laboratory test bench
• Upgrading the Gemini Planet Imager calibration unit with a photon counting focal plane wavefront sensor
• Learning Rank-1 Diffractive Optics for Single-shot High Dynamic Range Imaging (oral)
• Quantitative Phase and Intensity Microscopy Using Snapshot White Light Wavefront Sensing
• Polarization Demosaicking for Monochrome and Color Polarization Focal Plane Arrays
• Reconfigurable Snapshot HDR Imaging Using Coded Masks and Inception Network
• Compact Snapshot Hyperspectral Imaging with Diffracted Rotation
• A model for classical wavefront sensors and snapshot incoherent wavefront sensing
• Megapixel Adaptive Optics: Towards Correcting Large-scale Distortions in Computational Cameras
• Reconfigurable Rainbow PIV for 3D Flow Measurement
• Ultra-High Resolution Coded Wavefront Sensor
• Rainbow Particle Imaging Velocimetry for Dense 3D Fluid Velocity Imaging
• Encoded diffractive optics for full-spectrum computational imaging
• The diffractive achromat: full spectrum computational imaging with diffractive optics
• Computational imaging using lightweight diffractive-refractive optics