2018

Guided projections for analyzing the structure of high-dimensional data A powerful data transformation method named guided projections is proposed creating new possibilities to reveal the group structure of…

T. Ortner, P. Filzmoser, M. Rohm, C. Breiteneder, S. Brodinova

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2017

Finding groups in large and high-dimensional data using a k-means-based algorithm S. Brodinova, P. Filzmoser, T. Ortner, C. Breiteneder, M. Zaharieva: "Finding groups in large and high-dimensional data using a k-means-based…	S. Brodinova, P. Filzmoser, T. Ortner, C. Breiteneder, M. Zaharieva	Details
Robust and sparse clustering for high-dimensional data We introduce a robust and sparse clustering procedure for high-dimensional data. The robustness aspect is addressed by a weighting function…	S. Brodinova, P. Filzmoser, T. Ortner, M. Zaharieva, C. Breiteneder	Details
Grouping and outlier detection using robust sparse clustering S. Brodinova, P. Filzmoser, T. Ortner, M. Zaharieva, C. Breiteneder: "Grouping and outlier detection using robust sparse clustering"; Talk: Olomouc…	S. Brodinova, P. Filzmoser, T. Ortner, M. Zaharieva, C. Breiteneder	Details
Local projection for outlier detection T. Ortner, P. Filzmoser, S. Brodinova, M. Zaharieva, C. Breiteneder: "Local projection for outlier detection"; Talk: Olomouc Days of Applied…	T. Ortner, P. Filzmoser, S. Brodinova, M. Zaharieva, C. Breiteneder	Details
Automatic Classification of Functional Gait Disorders This article proposes a comprehensive investigation of the automatic classification of functional gait disorders based solely on ground reaction…	D. Slijepcevic, M. Zeppelzauer, A. Gorgas, C. Schwab, M. Schüller, A. Baca, C. Breiteneder, B. Horsak	Details
Clustering of imbalanced high-dimensional media data S. Brodinova, M. Zaharieva, P. Filzmoser, T. Ortner, C. Breiteneder: "Clustering of imbalanced high-dimensional media data"; Advances in Data…	S. Brodinova, M. Zaharieva, P. Filzmoser, T. Ortner, C. Breiteneder	Details
Unsupervised group feature selection for media classification The selection of an appropriate feature set is crucial for the efficient analysis of any media collection. In general, feature selection strongly…	M. Zaharieva, C. Breiteneder, M. Hudec	Details
Ground reaction force measurements for gait classification tasks: Effects of different PCA-based representations D. Slijepcevic, B. Horsak, C. Schwab, A. Raberger, M. Schüller, A. Baca, C. Breiteneder, M. Zeppelzauer: "Ground reaction force measurements for gait…	D. Slijepcevic, B. Horsak, C. Schwab, A. Raberger, M. Schüller, A. Baca, C. Breiteneder, M. Zeppelzauer	Details

2016

Guided projections for analysising the structure of high dimensional data T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder, S. Brodinova: "Guided projections for analysising the structure of high dimensional data";…	T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder, S. Brodinova	Details
Forward Projection for High-Dimensional Data We provide a novel view on group structure in data. Projecting observations onto a subspace spanned by a small selection of observations, we…	T. Ortner, P. Filzmoser, S. Brodinova, M. Zaharieva, C. Breiteneder	Details
Group Detection in the Context of Imbalanced Data The problem of group detection with no prior knowledge, i.e clustering, is one of the most important tasks in data analysis. It has been addressed in…	S. Brodinova, M. Zaharieva, P. Filzmoser, T. Ortner, C. Breiteneder	Details
Evaluation of robust PCA for supervised audio outlier detection Outliers often reveal crucial information about the underlying data such as the presence of unusual observations that require for in-depth analysis.…	S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder	Details
Group Feature Selection for Audio-Based Video Genre Classification The performance of video genre classification approaches strongly depends on the selected feature set. Feature selection requires for expert…	G. Sageder, M. Zaharieva, C. Breiteneder	Details
Interactive Segmentation of Rock-Art in High-Resolution 3D Reconstructions M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, C. Breiteneder, H. Bischof: "Interactive Segmentation of Rock-Art in High-Resolution 3D…	M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, C. Breiteneder, H. Bischof	Details
Interactive 3D Segmentation of Rock-Art by Enhanced Depth Maps and Gradient Preserving Regularization M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, S. Schulter, C. Breiteneder, H. Bischof: "Interactive 3D Segmentation of Rock-Art by Enhanced…	M. Zeppelzauer, G. Poier, M. Seidl, C. Reinbacher, S. Schulter, C. Breiteneder, H. Bischof	Details

2015

Simulation of Robust PCA for Supervised Audio Outlier Detection S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder: "Simulation of Robust PCA for Supervised Audio Outlier Detection"; Talk:…	S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder	Details
Evaluation of Robust PCA for Supervised Audio Outlier Detection Outliers often reveal crucial information about the underlying data such as the presence of unusual observations that require for in-depth analysis.…	S. Brodinova, T. Ortner, P. Filzmoser, M. Zaharieva, C. Breiteneder	Details

2014

Graph-based Similarity of Petroglyphs M. Seidl, E. Wieser, M. Zeppelzauer, A. Pinz, C. Breiteneder: "Graph-based Similarity of Petroglyphs"; in: "VISART "Where Computer Vision Meets…

M. Seidl, E. Wieser, M. Zeppelzauer, A. Pinz, C. Breiteneder

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2013

Stereo Matching - State-of-the-Art and Research Challenges M. Bleyer, C. Breiteneder: "Stereo Matching - State-of-the-Art and Research Challenges"; in: "Advanced Topics in Computer Vision", issued by:…	M. Bleyer, C. Breiteneder	Details
Acoustic Detection of Elephant Presence in Noisy Environments The automated acoustic detection of elephants is an important factor in alleviating the human-elephant conflict in Asia and Africa. In this paper, we…	M. Zeppelzauer, A. Stöger, C. Breiteneder	Details
Automated Social Event Detection in Large Photo Collections M. Zaharieva, M. Zeppelzauer, C. Breiteneder: "Automated Social Event Detection in Large Photo Collections"; in: "ICMR '13 Proceedings of the 3rd ACM…	M. Zaharieva, M. Zeppelzauer, C. Breiteneder	Details

2012

Automated Petroglyph Image Segmentation with Interactive Classifier Fusion The number of high quality images of rock panels containing petroglyphs grows steadily. Different time-consuming manual methods to determine and…	M. Seidl, C. Breiteneder	Details
Recurring Element Detection in Movies Recurring elements in movies contribute significantly to the development of narration, themes, or even mood. The detection of such elements is…	M. Zaharieva, C. Breiteneder	Details
Advances in Multimedia Modeling K. Schoeffmann, B. Merialdo, A. Hauptmann, C. Ngo, Y. Andreopoulos, C. Breiteneder: "Advances in Multimedia Modeling"; in series "Lecture Notes in…	K. Schoeffmann, B. Merialdo, A. Hauptmann, C. Ngo, Y. Andreopoulos, C. Breiteneder	Details
Archive Film Material - A novel Challenge for Automated Film Analysis M. Zeppelzauer, D. Mitrovic, C. Breiteneder: "Archive Film Material - A novel Challenge for Automated Film Analysis"; The Frames Cinema Journal, 1…	M. Zeppelzauer, D. Mitrovic, C. Breiteneder	Details
A Generic Approach for Social Event Detection in Large Photo Collections In this paper we explore the performance of a generic methodology for the detection of social events in large photo collections. The proposed…	M. Zeppelzauer, M. Zaharieva, C. Breiteneder	Details

2011

Detection and Classification of Petroglyphs in Gigapixel Images With the advances of digital photography, the number of high quality images of rock panels containing petroglyphs grows steadily. Different…	M. Seidl, C. Breiteneder	Details
Cross-Modal Analysis of Audio-Visual Film Montage A stylistic device frequently employed by filmmakers is the synchronous montage (composition) of audio and visual elements. Synchronous montage helps…	M. Zeppelzauer, D. Mitrovic, C. Breiteneder	Details
Retrieval of Visual Composition in Film The spatial arrangement of visual elements of an image, i.e. the visual composition, is a research subject in the domain of visual arts which include…	D. Mitrovic, M. Zeppelzauer, M. Zaharieva, C. Breiteneder	Details
Features in visual media analysis Today, film analysis is still a tedious process performed mostly manually by film experts. Existing computer vision approaches aim at improved…	M. Zaharieva	Details
Gradual transition detection in historic film material-a systematic study The segmentation of films and videos into shots requires the detection of gradual transitions such as dissolves and fades. There are two types of…	M. Seidl, M. Zeppelzauer, D. Mitrovic, C. Breiteneder	Details
Retrieval of motion composition in film M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder: "Retrieval of motion composition in film"; Digital Creativity, 22 (2011), 4; 219 - 234.	M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder	Details
Syntactic and Semantic Concepts in Audio-Visual Media In recent years tremendous amounts of audio-visual media have become available to the public and increased the demand for efficient access and…	D. Mitrovic, M. Zeppelzauer	Details
Film Analysis of Archive Documentaries Film experts, archives and museums state highly demanding requirements for automated film analysis. The experimental style of archive documentaries…	M. Zaharieva, D. Mitrovic, M. Zeppelzauer, C. Breiteneder	Details

2010

Scene Segmentation in Artistic Archive Documentaries Scene segmentation is a crucial task in the structural analysis of film. State-of-the-art scene segmentation algorithms usually target fiction films…	D. Mitrovic, S. Hartlieb, M. Zeppelzauer, C. Breiteneder	Details
A Study Of Gradual Transition Detection in Historic Film Material The detection of gradual transitions focuses on two types of approaches: unified approaches, i.e. one detector for all gradual transition types, and…	M. Seidl, M. Zeppelzauer, C. Breiteneder	Details
Camera Take Reconstruction In this paper we focus on a novel issue in the field of video retrieval stemming from film analysis, namely the investigation of film montage…	M. Zaharieva, M. Zeppelzauer, C. Breiteneder, D. Mitrovic	Details
A Novel Trajectory Clustering Approach for Motion Segmentation We propose a novel clustering scheme for spatio-temporal segmentation of sparse motion fields obtained from feature tracking. The approach allows for…	M. Zeppelzauer, M. Zaharieva, D. Mitrovic, C. Breiteneder	Details
Archive Film Comparison In this paper, the authors present an approach for video comparison, in which an instantiated framework allows for the easy comparison of different…	M. Zaharieva, M. Zeppelzauer, D. Mitrovic, C. Breiteneder	Details
Features for Content-Based Audio Retrieval Today, a large number of audio features exists in audio retrieval for ifferent purposes, such as automatic speech recognition, music information…	D. Mitrovic, M. Zeppelzauer, C. Breiteneder	Details

2009

Finding the Missing Piece: Content-Based Video Comparison The contribution of this paper consists of a framework for video comparison that allows for the analysis of different movie versions. Furthermore, a…	M. Zaharieva, M. Zeppelzauer, D. Mitrovic, C. Breiteneder	Details
A Review of Serious Games as Psychological Support in Health Videogames are a special form of new technologies. Initially they have been conceived for entertainment; however, during the last years, a new wave…	A. Lopez, J. Santamaría, I. Krug, L. Gamazo, K. Gunnard, E. Kalapanidas, D. Konstantas, T. Ganchev, O. Kocsis, T. Lam, T. Raguin, C. Breiteneder, H. Kaufmann, C. Davarakis, F. Aranda, S. Jiménez-Murcia	Details
Automatic Analysis - First Results in Shot Boundary Detection The project Digital Formalism: The Vienna Vertov Collection1 is a joint effort of archivists, film- and computer scientists with the goal of gaining…	M. Zeppelzauer, D. Mitrovic, C. Breiteneder	Details
Playmancer Project: A Serious Videogame as Additional Therapy Tool for Eating and Impulse Control Disorders Reviews and few non-controlled studies showed the effectiveness of several specific designed computer video-games as an additional form of treatment…	S. Jiménez-Murcia, F. Aranda, E. Kalapanidas, D. Konstantas, T. Ganchev, O. Kocsis, T. Lam, J. Santamaría, T. Raguin, C. Breiteneder, H. Kaufmann, C. Davarakis	Details

2008

Analysis of Historical Artistic Documentaries The paper introduces a novel interdisciplinary project addressing the analysis of historical artistic films. The type of employed material has not…

M. Zeppelzauer, D. Mitrovic, C. Breiteneder

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2006

Discrimination and Retrieval of Animal Sounds D. Mitrovic, M. Zeppelzauer, C. Breiteneder: "Discrimination and Retrieval of Animal Sounds"; Poster: IEEE Multimedia Modelling Conference, Beijing;…	D. Mitrovic, M. Zeppelzauer, C. Breiteneder	Details
Towards a Taxonomy of Display Styles for Ubiquitous Multimedia In this article, a domain independent taxonomy of sign functions, rooted in an analysis of physical signs found in public space, is presented. This…	F. Ledermann, C. Breiteneder	Details
Towards a Taxonomy of Display Styles for Ubiquitous Multimedia In this article, a domain independent taxonomy of sign functions, rooted in an analysis of physical signs found in public space, is presented. This…	F. Ledermann, C. Breiteneder	Details

2005

CoCoMA: Content and Context Aware Multimedia Content Retrieval, Delivery and C. Breiteneder, H. Eidenberger: "CoCoMA: Content and Context Aware Multimedia Content Retrieval, Delivery and"; Poster: ECDL 2005, Vienna; 09-04-2005.

C. Breiteneder, H. Eidenberger

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2003

VizIR - A Framework for Visual Information Retrieval In this paper the visual information retrieval project VizIR is presented. The goal of the project is the implementation of an open visual…	H. Eidenberger, C. Breiteneder	Details
Visual Similarity Measurement with the Feature Contrast Model The focus of this paper is on similarity modeling. In the first part we revisit underlying concepts of similarity modeling and sketch the currently…	H. Eidenberger, C. Breiteneder	Details

2002

A Framework for User Interface Design in Visual Information Retrieval This paper describes the user interface framework of the VizIR project. VizIR is an open project to develop a Java-based, extendible and…	H. Eidenberger, C. Breiteneder	Details
An Experimental Study on the Performance of Visual Information Retrieval Similarity Models This paper is an experimental study on the performance of the two major methods for macro-level similarity measurement: linear weighted merging and…	H. Eidenberger, C. Breiteneder	Details
Semantic Feature Layers in Content-based Image Retrieval: Implementation of Human World Features The major problem of most CBIR approaches is bad quality in terms of recall and precision. As a major reason for this, the semantic gap between…	H. Eidenberger, C. Breiteneder	Details
JEmblazoner: Construction of Coats of Arms Images from Textual Descriptions This paper describes the free software component JEmblazoner. JEmblazoner is a Java-based user interface for Content-based Image Retrieval (CBIR) in…	C. Breiteneder, H. Eidenberger, M. Wasinger	Details
Lookmark: A 2.5D Web Information Visualization System Lookmarks are thumbnails of existing web pages that can be arranged within a 2.5-dimensional space, just like documents can be arranged on a normal…	C. Breiteneder, H. Eidenberger, G. Fiedler, M. Raab	Details
Macro-level Similarity Measurement in VizIR This paper analyzes the similarity measurement in Content-based Image and Video Retrieval systems (CBIR). The goal is to identify preliminaries for…	H. Eidenberger, C. Breiteneder	Details
A Framework for Visual Information Retrieval In this paper a visual information retrieval project (VizIR) is presented. The goal of the project is the implementation of an open Content-based…	H. Eidenberger, C. Breiteneder	Details

2001

A Re-Usable Software Framework For Authoring And Managing Web Exhibitions In the course of a Web development project for the Museum für Völkerkunde in Vienna, ViEx, a reuse framework supporting authoring and managing…	C. Breiteneder, H. Platzer, M. Hitz	Details
Bhutan: A Virtual Exhibition "Bhutan: Fortress of the Gods" was a successful exhibition shown at the Museum für Völkerkunde in Vienna. Later, other museums throughout Europe…	C. Breiteneder, H. Platzer, M. Hitz, J. Stockinger	Details

2000

Suchmodell-basiertes Content-based Image Retrieval Die explosive Entwicklung des Internets in den letzten Jahren ermöglichte es, relativ kostengünstig Datenbestände von Museen, Archiven, etc.…	H. Eidenberger	Details
Content-based Image Retrieval in Digital Libraries Today's systems for Content-Based Image Retrieval (CBIR) suffer from several drawbacks: First, user interfaces are much too complicated for average…	C. Breiteneder, H. Eidenberger	Details
Performance-optimized feature ordering for Content-based Image Retrieval We present a method to improve the performance of content-based image retrieval (CBIR) systems. The idea is based on the concept of query models [1],…	H. Eidenberger, C. Breiteneder	Details
Automatic Query Generation for Content-based Image Retrieval We describe a subsystem of a content-based image retrieval (CBIR) environment that supports a user in the definition of image similarity. Out of a…	C. Breiteneder, H. Eidenberger	Details

1999

Merging Image Features by Self-organizing Maps in Content-based Image Retrieval This paper shows how merging by linear combination of weighted distance values can be performed. A weighting algorithm is presented for the automatic…	C. Breiteneder, D. Merkl, H. Eidenberger	Details
A Retrieval System for Coats of Arms The paper describes a project aiming at content-based retrieval of coats of arms to facilitate information finding. The retrieval system should be…	C. Breiteneder, H. Eidenberger	Details
Content-based Image Retrieval of Coats of Arms The paper describes a content-based image retrieval system for coats of arms. The characteristics of arms are analyzed and specific features for…	C. Breiteneder, H. Eidenberger	Details