CMOS image sensing for surveillance applications and object tracking (2000)
Santos Conde, J.E., Teuner, A.S., Hillebrand, M., Stevanovic, N., Hosticka, B.J.
A survey of sensor concepts and realizations that are tailored for surveillance applications is presented. We describe the basic operating principles of CMOS imagers and summarize their most...
High speed camera system using a CMOS image sensor (2000)
Hillebrand, M., Stevanovic, N., Hosticka, B.J., Santos Conde, J.E., Teuner, A.S., Schwarz, M.
In this paper a new camera system for high speed imaging is presented which is capable of recording images with a resolution of 256x256 pixels and frame rates in excess of 1000 frames per second. It...
A CMOS image sensor for high-speed imaging (2000)
Stevanovic, N., Hillebrand, M., Hosticka, B.J., Teuner, A.S.
Acquisition of the images of fast-moving objects requires imagers with high photoresponsitivity at short integration times, synchronous exposure, and high-speed parallal readout. Previous CMOS...
Low-cost high speed CMOS camera for automotive applications (2000)
Stevanovic, N., Hillebrand, M., Hosticka, B.J., Santos Conde, J.E., Teuner, A.S.
The increased demand for more intelligence in automotive applications requires robust low-cost sensory systems. This paper presents low-cost high-speed camera employing novel CMOS sensors capable of...
Surveillance system based on detection and tracking of moving objects using CMOS imagers (1999)
Santos Conde, J.E., Teuner, A.S., Hosticka, B.J.
The present contribution presents a novel stand-alone surveillance system based on detection and tracking of moving objects using CMOS imagers. The system fuses the acquisition and processing task,...
Surveillance sensor systems using CMOS imagers (1999)
Teuner, A.S., Hillebrand, M., Hosticka, B.J., Santos Conde, J.E., Stevanovic, N.
Surveillance sensors are being applied in factory automation systems, traffic control, entrapment protection, automotive safety systems and in other applications where information about the occupancy...
A smart airbag solution based on a high speed CMOS camera system (1999)
Santos Conde, J.E., Hillebrand, M., Teuner, A. S., Stevanovic, N., Iurgel, U., Hosticka, B.J.
In this communication we present a low cost smart airbag solution based on a high speed active CMOS camera system. The system continuously monitors the seats and quickly determines the occupancy...
Rauschfilterung von echokardiographischen Bildsequenzen mit adaptiven Rangordnungsfiltern (1999)
Santos Conde, J.E., Teuner, A.S., Pichler, O., Hosticka, B.J.
Im vorliegenden Beitrag wird ein Verfahren zur Rauschfilterung von echokardiographischen Bildsequenzen mit adaptiven Orts-Zeit-Rangordnungsfiltern beschrieben, bei denen die Maske des...
A high speed camera system based on a image sensor in standard CMOS technology (1999)
Stevanovic, N., Hillebrand, M., Hosticka, B.J., Iurgel, U., Teuner, A.S.
In this contribution a novel camera system developed for high speed imaging will be presented. The core of the system consists of a CMOS image sensor manufactured in a 1 mu m standard CMOS process....
Hierarchical locally adaptive multigrid motion estimation for surveillance applications (1999)
Santos Conde, J.E., Teuner, A.S., Hosticka, B.J.
In this communication we address the problem of detection and tracking of moving objects for surveillance or occupant detection systems. The primary goal in this framework is the motion estimation of...
Pichler, O., Teuner, A.S., Hosticka, B.J.
This paper presents an unsupervised texture segmentation algorithm based on feature extraction using multichannel Gabor filtering. It is shown that feature contrast, a criterion derived for Gabor...
A motion detection system based on a CMOS photo sensor array (1998)
The aim of motion detection in image sequences using image analysis approaches has been established for a long time. Moreover, in applications like surveillance or occupancy detection segmentation of...
An interior compartment protection system based on motion detection using CMOS imagers (1998)
Teuner, A.S., Hosticka, B.J., Triftshäuser, G.
The aim of motion detection in image sequences for scene analysis is long established. Also, it can be used in applications like surveillance or occupant detection for segmentation of moving objects...
A high frame rate image sensor in standard CMOS-technology (1998)
Stevanovic, N., Hillebrand, M., Hosticka, B.J., Iurgel, U., Teuner, A.S.
An integrated CMOS image sensor suitable for monitoring fast motion e.g. in very fast industrial processes, crash tests, and high speed machine vision has been developed and tested. The test chip...
Computergestützte Endokarderkennung echokardiographischer Bildsequenzen (1998)
Teuner, A.S., Santos Conde, J.E., Pichler, O., Hosticka, B.J.
In der Ultraschalldiagnostik müssen für den Nachweis koronarer Herzerkrankungen mit Hilfe der Streß-Echokardiographie die Bewegungen des Endokards während der Systole und Diastole vollständig...
Santos Conde, J.E., Teuner, A.S., Pichler, O., Hosticka, B.J.
Im vorliegenden Beitrag wird ein automatisiertes Verfahren zur Endokarderkennung in digitalen echokardiographischen Bildsequenzen vorgestellt. Das vorgeschlagene Verfahren gliedert sich modular in...
Rotations- und skaleninvariante Textursegmentierung mit Mehrkanalfilterung (1997)
Pichler, O., Santos Conde, J.E., Teuner, A.S., Hosticka, B.J.
Es wird ein neuartiger Algorithmus zur rotations- und skaleninvarianten Texturerkennung vorgestellt. Das Verfahren basiert auf der Merkmalextraktion durch eine polar-logarithmisch angeordnete...
Orientation- and scale-invariant recognition of textures in multi-object scenes (1997)
Teuner, A.S., Pichler, O., Santos Conde, J.E., Hosticka, B.J.
This contribution describes a novel approach to orientation and scale-invariant detection of textured objects in images. It performs both, a segmentation of multi-object scenes and the identification...
Orientation- and scale-invariant recognition of textures in multi-object scenes (1997)
Teuner, A.S., Pichler, O., Santos Conde, J.E., Hosticka, B.J.
This contribution describes a novel approach to orientation and scale-invariant detection of textured objects in images. It performs both, a segmentation of multi-object scenes and the identification...
CMOS photosensor arrays with on-chip signal processing (1997)
Schanz, M., Brockherde, W., Hauschild, R., Hosticka, B.J., Teuner, A.S.
This communication presents several linear photosensor arrays implemented in a standard CMOS technology that are based on active pixel sensing principle and utilize on-chip signal processing.
Moderne Methoden zur digitalen Bildverarbeitung basieren auf der Anwendung von Zeit-Frequenztransformationen. Von besonderem Interesse ist hier die Gabor-Transformation, deren Analyse und...
Unsupervised motion segmentation of image sequences using adaptive filtering (1996)
Pichler, O., Hosticka, B.J., Teuner, A.S.
In this paper we present a new method for feature extraction in unsupervised motion segmentation of image sequences. This method is based on the multichannel filtering of the input image sequence...
Hackstein, J., Pichler, O., Teuner, A.S.
Im vorliegenden Beitrag wird ein automatisiertes Verfahren zur Berechnung der Ejektionsfraktion anhand von Ultraschallbildern vorgestellt. Ein als Sequenzanalyse bezeichneter Algorithmus...
Computation of the ejection ratio of the ventricle from echocardiographic image sequences (1996)
Teuner, A.S., Pichler, O., Hosticka, B.J.
Our contribution deals with the automatic computation of the ventricle volume ratio of the human heart at the end-systolic and the end-diastolic phases based on echocardiographic image sequences. The...
Pichler, O., Teuner, A.S., Hosticka, B.J.
In recent studies on image analysis an increasing effort has been carried out in the area of wavelet transform techniques for the discrimination and classification of textural images. These methods...
Unsupervised texture segmentation of images using tuned matched Gabor filters (1995)
Teuner, A.S., Pichler, O., Hosticka, B.J.
In this correspondence, we propose a novel method for efficient image analysis that uses tuned matched Gabor filters. The algorithmic determination of the parameters of the Gabor filters is based on...
A multichannel algorithm for image segmentation with iterative feedback (1995)
Pichler, O., Hosticka, B.J., Teuner, A.S.
In this paper we present a segmentation algorithm for multichannel image analysis. It is based on a novel method that significantly improves the segmentation performance with respect to both...