Search Results for author: Wolfgang Fuhl

Found 35 papers, 3 papers with code

A Trainable Feature Extractor Module for Deep Neural Networks and Scanpath Classification

no code implementations19 Mar 2024 Wolfgang Fuhl

In this paper we propose a trainable feature extraction module for deep neural networks.

Normalized Validity Scores for DNNs in Regression based Eye Feature Extraction

no code implementations18 Mar 2024 Wolfgang Fuhl

We propose a normalization in the loss formulation, which improves the accuracy of the entire approach due to the numerical balance of the normalized inaccuracy.

Head Pose Estimation Iris Segmentation +1

An Initialization Schema for Neuronal Networks on Tabular Data

no code implementations7 Nov 2023 Wolfgang Fuhl

The proposed approach shows a simple but effective approach for initializing the first hidden layer in neural networks.

Resource saving taxonomy classification with k-mer distributions and machine learning

no code implementations10 Mar 2023 Wolfgang Fuhl, Susanne Zabel, Kay Nieselt

In addition, we propose a feature space data set balancing approach, which allows reducing the data set for training and improves the performance of the classifiers.

Area of interest adaption using feature importance

no code implementations3 Mar 2023 Wolfgang Fuhl, Susanne Zabel, Theresa Harbig, Julia Astrid Moldt, Teresa Festl Wiete, Anne Herrmann Werner, Kay Nieselt

In qualitative analysis, the algorithms presented allow the AOIs to be adapted to the data, which means that errors and inaccuracies in eye tracking data can be better compensated for.

Feature Importance

One step closer to EEG based eye tracking

no code implementations3 Mar 2023 Wolfgang Fuhl, Susanne Zabel, Theresa Harbig, Julia Astrid Moldt, Teresa Festl Wiete, Anne Herrmann Werner, Kay Nieselt

In this paper, we present two approaches and algorithms that adapt areas of interest We present a new deep neural network (DNN) that can be used to directly determine gaze position using EEG data.

EEG

Deep Learning-Based Position Detection for Hydraulic Cylinders Using Scattering Parameters

no code implementations1 Sep 2022 Chen Xin, Thomas Motz, Wolfgang Fuhl, Andreas Hartel, Enkelejda Kasneci

A typical traditional method is to excite electromagnetic waves in the cylinder structure and analytically solve the piston position based on the scattering parameters measured by a sensor.

Position

Technical Report: Combining knowledge from Transfer Learning during training and Wide Resnets

1 code implementation20 Jun 2022 Wolfgang Fuhl

This idea comes from transfer learning, which uses networks pre-trained on other data and extracts different levels of the network as input for the new task.

Data Augmentation Transfer Learning

Where and What: Driver Attention-based Object Detection

2 code implementations26 Apr 2022 Yao Rong, Naemi-Rebecca Kassautzki, Wolfgang Fuhl, Enkelejda Kasneci

Human drivers use their attentional mechanisms to focus on critical objects and make decisions while driving.

Autonomous Driving Object +2

Gaze-based Object Detection in the Wild

no code implementations29 Mar 2022 Daniel Weber, Wolfgang Fuhl, Andreas Zell, Enkelejda Kasneci

For this purpose, we explore different sizes of temporal windows, which serve as a basis for the computation of heatmaps, i. e., the spatial distribution of the gaze data.

Object object-detection +1

Pistol: Pupil Invisible Supportive Tool to extract Pupil, Iris, Eye Opening, Eye Movements, Pupil and Iris Gaze Vector, and 2D as well as 3D Gaze

no code implementations18 Jan 2022 Wolfgang Fuhl, Daniel Weber, Shahram Eivazi

This paper describes a feature extraction and gaze estimation software, named \textit{Pistol} that can be used with Pupil Invisible projects and other eye trackers in the future.

Gaze Estimation

Tensor Normalization and Full Distribution Training

no code implementations AAAI Workshop AdvML 2022 Wolfgang Fuhl

In this work, we introduce pixel wise tensor normalization, which is inserted after rectifier linear units and, together with batch normalization, provides a significant improvement in the accuracy of modern deep neural networks.

Maximum and Leaky Maximum Propagation

no code implementations21 May 2021 Wolfgang Fuhl

In this work, we present an alternative to conventional residual connections, which is inspired by maxout nets.

The Gaze and Mouse Signal as additional Source for User Fingerprints in Browser Applications

no code implementations11 Jan 2021 Wolfgang Fuhl, Daniel Weber, Shahram Eivazi

However, human gaze acquisition in the browser also has disadvantages, such as inaccuracies via webcam and the restriction that the user must first allow access to the camera.

Explainable Online Validation of Machine Learning Models for Practical Applications

no code implementations2 Oct 2020 Wolfgang Fuhl, Yao Rong, Thomas Motz, Michael Scheidt, Andreas Hartel, Andreas Koch, Enkelejda Kasneci

The presented algorithm based on conditional probabilities is also online capable and requires only a fraction of memory compared to the kNN algorithm.

BIG-bench Machine Learning General Classification +1

Weight and Gradient Centralization in Deep Neural Networks

no code implementations2 Oct 2020 Wolfgang Fuhl, Enkelejda Kasneci

Batch normalization is currently the most widely used variant of internal normalization for deep neural networks.

Rotated Ring, Radial and Depth Wise Separable Radial Convolutions

no code implementations2 Oct 2020 Wolfgang Fuhl, Enkelejda Kasneci

We also discuss the influence of purely rotational invariant features on accuracy.

Multi Layer Neural Networks as Replacement for Pooling Operations

no code implementations12 Jun 2020 Wolfgang Fuhl, Enkelejda Kasneci

This kind of pooling allows for the integration of multi-layer neural networks directly into a model as a pooling operation by restructuring the data and, as a result, learnin complex pooling operations.

Semantic Segmentation

Differential Privacy for Eye Tracking with Temporal Correlations

no code implementations20 Feb 2020 Efe Bozkir, Onur Günlü, Wolfgang Fuhl, Rafael F. Schaefer, Enkelejda Kasneci

New generation head-mounted displays, such as VR and AR glasses, are coming into the market with already integrated eye tracking and are expected to enable novel ways of human-computer interaction in numerous applications.

General Classification

Training Decision Trees as Replacement for Convolution Layers

no code implementations24 May 2019 Wolfgang Fuhl, Gjergji Kasneci, Wolfgang Rosenstiel, Enkelejda Kasneci

Our approach reduces the complexity of convolutions by replacing it with binary decisions.

Learning to Validate the Quality of Detected Landmarks

no code implementations29 Jan 2019 Wolfgang Fuhl, Enkelejda Kasneci

In addition, we evaluated the impact of the validation loss on the landmark accuracy based on uniform sampling.

Head Pose Estimation

PuRe: Robust pupil detection for real-time pervasive eye tracking

1 code implementation24 Dec 2017 Thiago Santini, Wolfgang Fuhl, Enkelejda Kasneci

state-of-the-art algorithms by 25. 05 and 10. 94 percentage points, respectively, demonstrating the meaningfulness of PuRe's confidence measure.

Pupil Detection Specificity

PupilNet: Convolutional Neural Networks for Robust Pupil Detection

no code implementations19 Jan 2016 Wolfgang Fuhl, Thiago Santini, Gjergji Kasneci, Enkelejda Kasneci

Real-time, accurate, and robust pupil detection is an essential prerequisite for pervasive video-based eye-tracking.

Position Pupil Detection

Bayesian Identification of Fixations, Saccades, and Smooth Pursuits

no code implementations24 Nov 2015 Thiago Santini, Wolfgang Fuhl, Thomas Kübler, Enkelejda Kasneci

Smooth pursuit eye movements provide meaningful insights and information on subject's behavior and health and may, in particular situations, disturb the performance of typical fixation/saccade classification algorithms.

General Classification Specificity

ElSe: Ellipse Selection for Robust Pupil Detection in Real-World Environments

no code implementations20 Nov 2015 Wolfgang Fuhl, Thiago C. Santini, Thomas Kuebler, Enkelejda Kasneci

Fast and robust pupil detection is an essential prerequisite for video-based eye-tracking in real-world settings.

Pupil Detection

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