[PDF][PDF] A frequency based hierarchical fast search block matching algorithm for fast video communication

N Al-Najdawi, S Tedmori, OA Alzubi… - International …, 2016‏ - pdfs.semanticscholar.org
Numerous fast-search block motion estimation algorithms have been developed to
circumvent the high computational cost required by the full-search algorithm. These …

Fuzzy image processing and recognition: uncertainty handling and applications

SK Pal - International Journal of Image and Graphics, 2001‏ - World Scientific
Image processing and analysis in fuzzy set theoretic framework is addressed. Various
uncertainties involved in these problems and the relevance of fuzzy set theory in handling …

Estimation of time-varying velocities of moving objects by time-frequency representations

I Djurovic, S Stankovic - IEEE Transactions on Image …, 2003‏ - ieeexplore.ieee.org
An approach to the estimation of motion parameters of moving objects in a video-sequence,
by using the SLIDE (subspace-based line detection algorithm) algorithm, is considered. The …

Motion analysis using 3D high-resolution frequency analysis

T Ueda, K Fujii, S Hirobayashi… - … on Image Processing, 2012‏ - ieeexplore.ieee.org
The spatiotemporal spectra of a video that contains a moving object form a plane in the 3D
frequency domain. This plane, which is described as the theoretical motion plane, reflects …

Estimation of multiple accelerated motions using chirp-Fourier transform and clustering

DS Alexiadis, GD Sergiadis - IEEE transactions on image …, 2006‏ - ieeexplore.ieee.org
Motion estimation in the spatiotemporal domain has been extensively studied and many
methodologies have been proposed, which, however, cannot handle both time-varying and …

Model-based clustering based on variational learning of hierarchical infinite beta-liouville mixture models

W Fan, N Bouguila - Neural Processing Letters, 2016‏ - Springer
In this work, we develop a statistical framework for data clustering which uses hierarchical
Dirichlet processes and Beta-Liouville distributions. The parameters of this framework are …

Integration of frequency and space for multiple motion estimation and shape-independent object segmentation

A Briassouli, N Ahuja - … transactions on circuits and systems for …, 2008‏ - ieeexplore.ieee.org
A video containing multiple objects undergoing independent translational and rotational
motions is analyzed through a combination of spatial-and frequency-domain …

Velocity and acceleration estimation in video sequences by the local polynomial periodogram

S Stankovic, I Djurovic… - … Symposium on Signal …, 2003‏ - ieeexplore.ieee.org
Motion parameters estimation is performed by using the local polynomial periodogram. The
presented method provides the estimation of velocity and acceleration, simultaneously. It is …

Motion parameters estimation by new propagation approach and time–frequency representations

I Djurović, S Stanković, A Ohsumi, H Ijima - Signal Processing: Image …, 2004‏ - Elsevier
Estimation of time-varying motion parameters of moving objects is considered. The motion
parameters are mapped into the instantaneous frequency (IF) of a frequency modulated …

Estimation of multiple, time-varying motions using time-frequency representations and moving-objects segmentation

DS Alexiadis, GD Sergiadis - IEEE transactions on image …, 2008‏ - ieeexplore.ieee.org
We extend existing spatiotemporal approaches to handle time-varying motions estimation of
multiple objects. It is shown that multiple, time-varying motions estimation is equivalent to the …