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Integral P-channels for fast and robust region matching
DFKI, Kaiserslautern University.
DFKI, Kaiserslautern University.
Linköping University, Department of Electrical Engineering, Computer Vision. Linköping University, The Institute of Technology.
2009 (English)In:  Image Processing (ICIP), 2009 16th IEEE International Conference, 2009, 213-216 p.Conference paper (Refereed)
Abstract [en]

We present a new method for matching a region between an input and a query image, based on the P-channel representation of pixel-based image features such as grayscale and color information, local gradient orientation and local spatial coordinates. We introduce the concept of integral P-channels, which conciliates the concepts of P-channel and integral images. Using integral images, the P-channel representation of a given region is extracted with a few arithmetic operations. This enables a fast nearest-neighbor search in all possible target regions. We present extensive experimental results and show that our approach compares favorably to existing methods for region matching such as histograms or region covariance.

Place, publisher, year, edition, pages
2009. 213-216 p.
Keyword [en]
Region matching, integral images
National Category
Engineering and Technology
URN: urn:nbn:se:liu:diva-58512DOI: 10.1109/ICIP.2009.5414467OAI: diva2:342995
Available from: 2010-08-11 Created: 2010-08-11 Last updated: 2010-08-27

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