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Integrated Spatial and Frequency Domain 2D Motion Segmentation and Alexia Briassouli, Narendra Ahuja
 

Summary: Integrated Spatial and Frequency Domain 2D Motion Segmentation and
Estimation
Alexia Briassouli, Narendra Ahuja
Beckman Institute
Department of Electrical and Computer Engineering
University of Illinois at Urbana-Champaign
Urbana, IL 61801, USA
{ briassou, ahuja }@vision.ai.uiuc.edu
Abstract
A video containing multiple objects in rotational and
translational motion is analyzed through a combination of
spatial and frequency domain representations. It is ar-
gued that the combined analysis can take advantage of the
strengths of both representations. Initial estimates of con-
stant, as well as time-varying, translation and rotation ve-
locities are obtained from frequency analysis. Improved
motion estimates and motion segmentation for the case of
translation are achieved by integrating spatial and Fourier
domain information. For combined rotational and trans-
lational motions, the frequency representation is used for

  

Source: Ahuja, Narendra - Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign

 

Collections: Computer Technologies and Information Sciences; Engineering