no code implementations • 27 Feb 2024 • Wen Cao, Ehsan Miandji, Jonas Unger
This paper considers a compressive multi-spectral light field camera model that utilizes a one-hot spectralcoded mask and a microlens array to capture spatial, angular, and spectral information using a single monochrome sensor.
1 code implementation • 14 Jan 2024 • Ehsan Miandji, Tanaboon Tongbuasirilai, Saghi Hajisharif, Behnaz Kavoosighafi, Jonas Unger
In this paper, we formulate BRDF acquisition as a compressed sensing problem, where the sensing operator is one that performs sub-sampling of the BRDF signal according to a set of optimal sample directions.
1 code implementation • ACM SIGGRAPH Conference Proceedings 2022 • Param Hanji, Rafał K. Mantiuk, Gabriel Eilertsen, Saghi Hajisharif, Jonas Unger
As the problem of reconstructing high dynamic range (HDR) images from a single exposure has attracted much research effort, it is essential to provide a robust protocol and clear guidelines on how to evaluate and compare new methods.
no code implementations • 27 May 2022 • Rym Jaroudi, Lukáš Malý, Gabriel Eilertsen, B. Tomas Johansson, Jonas Unger, George Baravdish
This paper presents the Standalone Neural ODE (sNODE), a continuous-depth neural ODE model capable of describing a full deep neural network.
no code implementations • 11 Feb 2022 • George Baravdish, Gabriel Eilertsen, Rym Jaroudi, B. Tomas Johansson, Lukáš Malý, Jonas Unger
The inverse problem of supervised reconstruction of depth-variable (time-dependent) parameters in a neural ordinary differential equation (NODE) is considered, that means finding the weights of a residual network with time continuous layers.
1 code implementation • 10 Dec 2021 • Karin Stacke, Jonas Unger, Claes Lundström, Gabriel Eilertsen
We bring forward a number of considerations, such as view generation for the contrastive objective and hyper-parameter tuning.
no code implementations • 17 Sep 2021 • Apostolia Tsirikoglou, Karin Stacke, Gabriel Eilertsen, Jonas Unger
The scarcity of labeled data is a major bottleneck for developing accurate and robust deep learning-based models for histopathology applications.
1 code implementation • 19 Aug 2021 • Gabriel Eilertsen, Saghi Hajisharif, Param Hanji, Apostolia Tsirikoglou, Rafal K. Mantiuk, Jonas Unger
Here, we reproduce a typical evaluation using existing as well as simulated SI-HDR methods to demonstrate how different aspects of the problem affect objective quality metrics.
no code implementations • 23 Apr 2021 • Gabriel Eilertsen, Apostolia Tsirikoglou, Claes Lundström, Jonas Unger
This work investigates the use of synthetic images, created by generative adversarial networks (GANs), as the only source of training data.
no code implementations • 20 May 2020 • Apostolia Tsirikoglou, Karin Stacke, Gabriel Eilertsen, Martin Lindvall, Jonas Unger
One such scenario relates to detecting tumor metastasis in lymph node tissue, where the low ratio of tumor to non-tumor cells makes the diagnostic task hard and time-consuming.
1 code implementation • 13 Feb 2020 • Gabriel Eilertsen, Daniel Jönsson, Timo Ropinski, Jonas Unger, Anders Ynnerman
of neural network classifiers, and train a large number of models to represent the weight space.
1 code implementation • 25 Sep 2019 • Karin Stacke, Gabriel Eilertsen, Jonas Unger, Claes Lundström
Most centrally, we present a novel measure for evaluating the distance between domains in the context of the learned representation of a particular model.
no code implementations • CVPR 2019 • Gabriel Eilertsen, Rafał K. Mantiuk, Jonas Unger
The regularization is formulated to account for different types of motion that can occur between frames, so that temporally stable CNNs can be trained without the need for video material or expensive motion estimation.
2 code implementations • 19 Oct 2018 • Magnus Wrenninge, Jonas Unger
We introduce Synscapes -- a synthetic dataset for street scene parsing created using photorealistic rendering techniques, and show state-of-the-art results for training and validation as well as new types of analysis.
2 code implementations • 20 Oct 2017 • Gabriel Eilertsen, Joel Kronander, Gyorgy Denes, Rafał K. Mantiuk, Jonas Unger
We demonstrate that our approach can reconstruct high-resolution visually convincing HDR results in a wide range of situations, and that it generalizes well to reconstruction of images captured with arbitrary and low-end cameras that use unknown camera response functions and post-processing.
no code implementations • 17 Oct 2017 • Apostolia Tsirikoglou, Joel Kronander, Magnus Wrenninge, Jonas Unger
We present an overview and evaluation of a new, systematic approach for generation of highly realistic, annotated synthetic data for training of deep neural networks in computer vision tasks.
no code implementations • 22 Aug 2013 • Joel Kronander, Stefan Gustavson, Gerhard Bonnet, Anders Ynnerman, Jonas Unger
We present an implementation in CUDA and show real-time performance for an experimental 4 Mpixel multi-sensor HDR video system.