Masterarbeiten – Angeboten

Beschreibung The large field of view of fisheye lenses provides major benefits in many application areas like autonomous driving or video surveillance. However, the strong radial distortions lead to problems in a variety of image and video signal processing tasks such as frame rate up-conversion wh... Weiterlesen

Filter Curve Estimation of Multispectral Cameras Light spectra are an important source of information for many classification tasks. These range from applications in agriculture and medicine to tasks in forensics, e.g. to detect abnormalities that are not visible to the human eye: Typicall... Weiterlesen

Proposal for a Master Thesis Topic: Deep Learning Methods for Bearing Fault Detection   Description: The measurable vibrations of machines during operation contain much information about the machine's condition. During normal operation a machine exhibits a characteristic vibration signat... Weiterlesen

Vorschlag für eine Masterarbeit / Forschungspraktikum Thema: Zeitlich-Örtliche Prädiktion für eine effizientere Videocodierung Beschreibung: Aufgrund der hohen anfallenden Datenmenge bei Videos ist es wichtig, diese verlustbehaftet zu komprimieren. Nur so wird es möglich Filme auf Datenträgern z... Weiterlesen

Proposal for a Master Thesis Topic: Underdetermined Source Separation by Combination of Directivity Gain Description: Acoustic mixtures are ubiquitous in signal processing, and recovering the constituent signal components is often highly desirable. Besides the typically convolutive demixing mode... Weiterlesen

Proposal for a Master Thesis Topic: Source Localization using Manifold Learning Description: Acoustic source localization is a precondition for many subsequent signal processing algorithms. It can be accomplished by mapping one or more acoustic features via an analytical mathematical model or a ... Weiterlesen

Proposal for a Master Thesis Topic: Learning Data-Dependent Transformations for Ego-Noise Suppression Description: Robot audition describes the research area of human-robot interaction by speech. Therefore, robots are often equipped with microphone arrays to capture their surrounding acoustic sc... Weiterlesen

Proposal for a Master Thesis Topic: Fast Multichannel Nonnegative Matrix Factorization (MNMF) for Ego-noise Suppression Description: Ego-noise, i.e., the mechanical noise of robots, is a severe problem in robot audition since it corrupts recordings and therefore degrades performance of, e.g., a ... Weiterlesen

Proposal for a Master Thesis Topic: Exploring Attention Models for Speech Enhancement Description: In the field of machine learning, recurrent neural networks (RNNs) using long short-term memory (LSTM) have achieved impressive results in natural language processing, text prediction, speech enha... Weiterlesen

Proposal for a Master Thesis Topic: Evaluation of the Spatial Distribution of Ego-Noise employing Multichannel Non-Negative Matrix Factorization Description: Mobile robots generate significant self-induced noise, e.g., by its mechanical joints and motors, which is referred to as ego-noise. Its s... Weiterlesen

Proposal for a Master Thesis Topic: Dereverberation with the Weighted Prediction Error Method Description: A speech signal recorded in a room will inevitably be affected by reverberant components produced by the reflections of sound waves on walls or objects in the acoustic environment. Reverber... Weiterlesen

Proposal for a Master Thesis Topic: Double-Talk Detection for Robot Audition Description: In an Acoustic Echo Cancellation (AEC) problem, the performance of an acoustic echo canceler is usually impaired by the presence of a near-end interferer. This double-talk situation is often addressed using... Weiterlesen

Proposal for a Master Thesis Topic: Coherence-based Multichannel Double-talk Detection Description: In a multichannel acoustic echo cancellation scenario, an active near-end speaker poses a serious challenge to the identification of the acoustic echo paths between loudspeaker and microphones, as... Weiterlesen

Proposal for a Master Thesis Topic: Blind Blind Sampling Rate Offset Estimation for Wireless Acoustic Sensor Networks through Coherence Drift Estimation Description: In Wireless Acoustic Sensor Networks (WASNs) spatially distributed nodes allow for multi-channel array signal processing tasks, e.... Weiterlesen

Proposal for a Master Thesis Topic: Analyse und Steuerung von Adaptiven Mikrofonarrays Description: Robot audition describes the research area that aims at providing humanoid robots with ’technical ears’ to allow, e.g., reaction to acoustic events and speech communication with humans. For this, ... Weiterlesen

Proposal for a Master Thesis Topic: Adaptive Speech Dereverberation based on Linear Prediction Description: A speech signal recorded in a room will inevitably be affected by reverberant components produced by the reflections of sound waves on walls or objects in the acoustic environment. Reverbe... Weiterlesen

Proposal for a Master Thesis Topic: Acoustic Source Tracking using Manifold Learning Description: The aim of acoustic source localization is to estimate the position of one or several sound sources from observed microphone signals. For moving sources usually a tracking algorithm is appended, whi... Weiterlesen

Proposal for a Master Thesis Topic: Acoustic Scene Analysis with Manifold Learning Description: The knowledge of physical parameters describing the acoustics of a room is highly relevant for a multitude of applications, e.g., automatic speech recognition. The reverberation time T60 is one of the... Weiterlesen

Proposal for a Master Thesis Topic: A probabilistic approach to image resampling Description: Image processing often produces pixels that are not located on integer pixel positions. If an image is e.g. rotated, the pixels are located on non-integer positions after the rotation. We refer to thes... Weiterlesen

Proposal for a Master Thesis Topic: A Denoising Autoencoder for Speech Enhancement Description: Speech Enhancement describes the attempt to remove noise and interfering speakers from speech recordings. Even though many algorithms have been proposed to approach this challenge, it is far from bein... Weiterlesen