Sebastian Stabinger

Sebastian Stabinger
University of Innsbruck | UIBK · Institute of Computer Science

Master of Science

About

32
Publications
4,085
Reads
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197
Citations
Citations since 2017
28 Research Items
195 Citations
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Publications

Publications (32)
Preprint
Full-text available
Training deep neural networks is a very demanding task, especially challenging is how to adapt architectures to improve the performance of trained models. We can find that sometimes, shallow networks generalize better than deep networks, and the addition of more layers results in higher training and test errors. The deep residual learning framework...
Article
Fine-tuning transformer models after unsupervised pre-training reaches a very high performance on many different natural language processing tasks. Unfortunately, transformers suffer from long inference times which greatly increases costs in production. One possible solution is to use knowledge distillation, which solves this problem by transferrin...
Article
Full-text available
Convolutional neural networks have become the state-of-the-art method for image classification in the last 10 years. Despite the fact that they achieve superhuman classification accuracy on many popular datasets, they often perform much worse on more abstract image classification tasks. We will show that these difficult tasks are linked to relation...
Article
Full-text available
Data analysis plays an increasingly valuable role in sports. The better the data that is analysed, the more concise training methods that can be chosen. Several solutions already exist for this purpose in the tennis industry; however, none of them combine data generation with a wristband and classification with a deep convolutional neural network (...
Preprint
Full-text available
Fine-tuning transformer models after unsupervised pre-training reaches a very high performance on many different NLP tasks. Unfortunately, transformers suffer from long inference times which greatly increases costs in production and is a limiting factor for the deployment into embedded devices. One possible solution is to use knowledge distillation...
Article
Convolutional neural networks have established themselves over the past years as the state of the art method for image classification, and for many datasets, they even surpass humans in categorizing images. Unfortunately, the same architectures perform much worse when they have to compare parts of an image to each other to correctly classify this i...
Preprint
Full-text available
Designing neural network architectures is a challenging task and knowing which specific layers of a model must be adapted to improve the performance is almost a mystery. In this paper, we introduce a novel methodology to identify layers that decrease the test accuracy of trained models. Conflicting layers are detected as early as the beginning of t...
Preprint
Convolutional neural networks have established themselves over the past years as the state of the art method for image classification, and for many datasets, they even surpass humans in categorizing images. Unfortunately, the same architectures perform much worse when they have to compare parts of an image to each other to correctly classify this i...
Article
A recently proposed method in deep learning groups multiple neurons to capsules such that each capsule represents an object or part of an object. Routing algorithms route the output of capsules from lower-level layers to upper-level layers. In this paper, we prove that state-of-the-art routing procedures decrease the expressivity of capsule network...
Article
Full-text available
Designing neural network architectures is a challenging task and knowing which specific layers of a neural network must be adapted to improve the performance is almost a mystery. In this paper, we introduce the conflicting_bundle.py module to identify layers that decrease the accuracy of trained networks. Therefore, this software-module helps machi...
Article
Full-text available
Highly efficient training is a must in professional sports. Presently, this means doing exercises in high number and quality with some sort of data logging. In American football many things are logged, but there is no wearable sensor that logs a catch or a drop. Therefore, the goal of this paper was to develop and verify a sensor that is able to do...
Preprint
Designing neural network architectures is a challenging task and knowing which specific layers of a model must be adapted to improve the performance is almost a mystery. In this paper, we introduce a novel theory and metric to identify layers that decrease the test accuracy of the trained models, this identification is done as early as at the begin...
Presentation
Diese Arbeit befasst sich mit der Anwendung von neuronalen Netzen auf Daten von Wearables beim Fangen im American Football. Das Ziel war es Fangversuche als gefangen oder nicht gefangen zu mindesten 95 % richtig zu klassifizieren. In einem Experiment mit 700 Pässen konnte die Machbarkeit nachgewiesen werden.
Preprint
Full-text available
Convolutional Neural Networks (CNNs) have become the state of the art method for image classification in the last 7 years, but despite the fact that they achieve super human performance on many classification datasets, there are lesser known datasets where they almost fail completely and perform much worse than humans. We will show that these probl...
Chapter
Deep convolutional neural networks (CNNs) are widely known for their outstanding performance in classification and regression tasks over high-dimensional data. This made them a popular and powerful tool for a large variety of applications in industry and academia. Recent publications show that seemingly easy classification tasks (for humans) can be...
Preprint
Aspect-Target Sentiment Classification (ATSC) is a subtask of Aspect-Based Sentiment Analysis (ABSA), which has many applications e.g. in e-commerce, where data and insights from reviews can be leveraged to create value for businesses and customers. Recently, deep transfer-learning methods have been applied successfully to a myriad of Natural Langu...
Preprint
Classical neural networks add a bias term to the sum of all weighted inputs. For capsule networks, the routing-by-agreement algorithm, which is commonly used to route vectors from lower level capsules to upper level capsules, calculates activations without a bias term. In this paper we show that such a term is also necessary for routing-by-agreemen...
Preprint
Deep convolutional neural networks (CNNs) are widely known for their outstanding performance in classification and regression tasks over high-dimensional data. This made them a popular and powerful tool for a large variety of applications in industry and academia. Recent publications show that seemingly easy classifaction tasks (for humans) can be...
Preprint
Full-text available
The capsules of Capsule Networks are collections of neurons that represent an object or part of an object in a parse tree. The output vector of a capsule encodes the so called instantiation parameters of this object (e.g. position, size, or orientation). The routing-by-agreement algorithm routes output vectors from lower level capsules to upper lev...
Article
Full-text available
Over the last couple of years, deep learning and especially convolutional neural networks have become one of the work horses of computer vision. One limiting factor for the applicability of supervised deep learning to more areas is the need for large, manually labeled datasets. In this paper we propose an easy to implement method we call guided lab...
Article
Full-text available
Convolutional Neural Networks have become state of the art methods for image classification over the last couple of years. By now they perform better than human subjects on many of the image classification datasets. Most of these datasets are based on the notion of concrete classes (i.e. images are classified by the type of object in the image). In...
Article
Full-text available
Software testing is an important tool to ensure software quality. However, testing in robotics is a hard task due to dynamic environments and the expensive development and time-consuming execution of test cases. Most testing approaches use model-based and / or simulation-based testing to overcome these problems. We propose a model-free skill-centri...
Conference Paper
Full-text available
We try to determine the progress made by convolutional neural networks over the past 25 years in classifying images into abstractc lasses. For this purpose we compare the performance of LeNet to that of GoogLeNet at classifying randomly generated images which are differentiated by an abstract property (e.g., one class contains two objects of the sa...
Conference Paper
Full-text available
Humans are generally good at learning abstract concepts about objects and scenes (e.g.\ spatial orientation, relative sizes, etc.). Over the last years convolutional neural networks have achieved almost human performance in recognizing concrete classes (i.e.\ specific object categories). This paper tests the performance of a current CNN (GoogLeNet)...
Conference Paper
Full-text available
In this paper we explore how social gaze in an assembly robot affects how naïve users interact with it. In a controlled experimental study, 30 participants instructed an industrial robot to fetch parts needed to assemble a wooden toolbox. Participants either interacted with a robot employing a simple gaze following the movements of its own arm, or...

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