activity
20202023
most citedBaseline and Triangulation Geometry in a Standard Plenoptic Camera

46 citations · 85 across the 9 of their papers we have counts for

collaborators

9 papers

cs.CV2023

StofNet: Super-resolution Time of Flight Network

Christopher Hahne, Michel Hayoz, Raphael Sznitman

Time of Flight (ToF) is a prevalent depth sensing technology in the fields of robotics, medical imaging, and non-destructive testing. Yet, ToF sensing faces challenges from complex…

cs.CV2023

Geometric Ultrasound Localization Microscopy

Christopher Hahne, Raphael Sznitman

Contrast-Enhanced Ultra-Sound (CEUS) has become a viable method for non-invasive, dynamic visualization in medical diagnostics, yet Ultrasound Localization Microscopy (ULM) has ena…

cs.RO2023

3-Dimensional Sonic Phase-invariant Echo Localization

Christopher Hahne

Parallax and Time-of-Flight (ToF) are often regarded as complementary in robotic vision where various light and weather conditions remain challenges for advanced camera-based 3-Dim…

cs.CV2023

Learning How To Robustly Estimate Camera Pose in Endoscopic Videos

Michel Hayoz, Christopher Hahne, Mathias Gallardo +4

Purpose: Surgical scene understanding plays a critical role in the technology stack of tomorrow's intervention-assisting systems in endoscopic surgeries. For this, tracking the end…

cs.SD2022

Multimodal Exponentially Modified Gaussian Oscillators

Christopher Hahne

Acoustic modeling serves audio processing tasks such as de-noising, data reconstruction, model-based testing and classification. Previous work dealt with signal parameterization of…

eess.IV2020★ 16 cited

Real-Time Refocusing using an FPGA-based Standard Plenoptic Camera

Christopher Hahne, Andrew Lumsdaine, Amar Aggoun +1

Plenoptic cameras are receiving increasing attention in scientific and commercial applications because they capture the entire structure of light in a scene, enabling optical trans…

eess.IV2020★ 18 cited

PlenoptiCam v1.0: A light-field imaging framework

Christopher Hahne, Amar Aggoun

Light-field cameras play a vital role for rich 3-D information retrieval in narrow range depth sensing applications. The key obstacle in composing light-fields from exposures taken…

cs.IR2020★ 46 cited

Baseline and Triangulation Geometry in a Standard Plenoptic Camera

Christopher Hahne, Amar Aggoun, Vladan Velisavljevic +2

In this paper, we demonstrate light field triangulation to determine depth distances and baselines in a plenoptic camera. Advances in micro lenses and image sensors have enabled pl…

eess.IV2020★ 5 cited

PlenoptiSign: an optical design tool for plenoptic imaging

Christopher Hahne, Amar Aggoun

Plenoptic imaging enables a light-field to be captured by a single monocular objective lens and an array of micro lenses attached to an image sensor. Metric distances of the light-…