Peter Eisert

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An overview of 3D and free viewpoint video is given in this paper with special focus on related standardization activities in MPEG. Free viewpoint video allows the user to freely navigate within real world visual scenes, as known from virtual worlds in computer graphics. Examples are shown, highlighting standards conform realization using MPEG-4. Then the(More)
ICASSP’99, Phoenix, USA, pp. 3509-3512, March 1999. In this paper we present a volumetric method for the 3-D reconstruction of real world objects from multiple calibrated camera views. The representation of the objects is fully volume-based and no explicit surface description is needed. The approach is based on multi-hypothesis tests of the voxel model(More)
The enforcement of intellectual property rights is difficult for digital data. One possibility to support the enforcement is the embedding of digital watermarks containing information about copyright owner and/or receiver of the data. Watermarking methods have already been presented for audio, images, video, and polygonal 3D models. In this paper, we(More)
In this paper we present a method for the estimation of three-dimensional motion from 2-D image sequences showing head and shoulder scenes typical for video telephone and tele-conferencing applications. We use a 3-D model that speci es the color and shape of the person in the video. Additionally, the model constrains the motion and deformation in the face(More)
1Department of Biophysical and Electronic Engineering, University of Genoa, Via Opera Pia 11a, 16145 Genoa, Italy 2Computer Vision & Graphics, Image Processing Department, Heinrich-Hertz-Institute Berlin, Fraunhofer-Institute for Telecommunications, 10587 Berlin, Germany 3R&D Department, Exent Technologies Ltd., 25 Bazel Street, P.O. Box 2645, Petach Tikva(More)
This paper presents a new approach for feature description used in image processing and robust image recognition algorithms such as 3D camera tracking, view reconstruction or 3D scene analysis. State of the art feature detectors distinguish interest point detection and description. The former is commonly performed in scale space, while the latter is used to(More)
A system for the automatic reconstruction of real-world objects from multiple uncalibrated camera views is presented. The camera position and orientation for all views, the 3-D shape of the rigid object, as well as the associated color information, are recovered from the image sequence. The system proceeds in four steps. First, the internal camera(More)
We show that traditional waveform coding and 3-D model-based coding are not competing alternatives, but should be combined to support and complement each other. Both approaches are combined such that the generality of waveform coding and the efficiency of 3-D model-based coding are available where needed. The combination is achieved by providing the(More)
In this paper, we describe a dynamic texture overlay method from monocular images for real-time visualization of garments in a virtual mirror environment. Similar to looking into a mirror when trying on clothes, we create the same impression but for virtually textured garments. The mirror is replaced by a large display that shows the mirrored image of a(More)