Learning the semantics of object–action relations by observation

EE Aksoy, A Abramov, J Dörr, K Ning… - … Journal of Robotics …, 2011 - journals.sagepub.com
Recognizing manipulations performed by a human and the transfer and execution of this by
a robot is a difficult problem. We address this in the current study by introducing a novel …

Realtime phase-based optical flow on the GPU

K Pauwels, MM Van Hulle - 2008 IEEE Computer Society …, 2008 - ieeexplore.ieee.org
Phase-based optical flow algorithms are characterized by high precision and robustness,
but also by high computational requirements. Using the CUDA platform, we have …

[PDF][PDF] Early cognitive vision: Feedback mechanisms for the disambiguation of early visual representation

N Pugeault - 2008 - academia.edu
Recent years have seen considerable progress in low level image processing as well as
model based, vision applications. Joining the two fields proves to be a difficult problem due …

A two-level real-time vision machine combining coarse-and fine-grained parallelism

LBW Jensen, A Kjær-Nielsen, K Pauwels… - Journal of real-time …, 2010 - Springer
In this paper, we describe a real-time vision machine having a stereo camera as input
generating visual information on two different levels of abstraction. The system provides …

Cue and sensor fusion for independent moving objects detection and description in driving scenes

N Chumerin, MM Van Hulle - Signal Processing Techniques for …, 2008 - Springer
In this study we present an approach to detecting, describing and tracking independently
moving objects (IMOs) in stereo video sequences acquired by on-board cameras on a …

Segmenting color images into surface patches by exploiting sparse depth data

B Dellen, G Alenya, S Foix… - 2011 IEEE Workshop on …, 2011 - ieeexplore.ieee.org
We present a new method for segmenting color images into their composite surfaces by
combining color segmentation with model-based fitting utilizing sparse depth data, acquired …

Fine grain pipeline architecture for high performance phase-based optical flow computation

M Tomasi, F Barranco, M Vanegas, J Díaz… - Journal of Systems …, 2010 - Elsevier
Accurate motion analysis of real life sequences is a very active research field due to its
multiple potential applications. Currently, new technologies offer us very fast and accurate …

Local image phase, energy and orientation extraction using FPGAs

J Díaz, E Ros, S Mota, R Carrillo - International Journal of …, 2008 - Taylor & Francis
Local features such as phase, energy and orientation have been widely used in the
literature for multiple computer vision applications such as edge detection, texture analysis …

[PDF][PDF] 3d semantic representation of actions from effcient stereo-image-sequence segmentation on gpus

A Alexey, EE Aksoy, J Dörr, F Wörgötter… - … 3D Data Processing …, 2010 - upcommons.upc.edu
A novel real-time framework for model-free stereo-video segmentation and stereo-segment
tracking is presented, combining real-time optical flow and stereo with image segmentation …

Segment tracking via a spatiotemporal linking process including feedback stabilization in an nd lattice model

B Dellen, EE Aksoy, F Wörgötter - Sensors, 2009 - mdpi.com
Model-free tracking is important for solving tasks such as moving-object tracking and action
recognition in cases where no prior object knowledge is available. For this purpose, we …