Investigation of Local Feature Extraction

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Abstract:

Feature extraction is an important subject of image analysis, pattern recognition, computer vision, etc. It is the fundamental to solve many different image problems. As the local feature has the characteristic of invariability even after image translation and rotation, changing of zoom, illumination or viewpoint, it has been widely applied to image registration, image mosaic, object identification, target tracking, digital watermark and image retrieval. Extracting stable feature of images has attracted lots of interest. In this paper, we provide the definition of local feature and steps of extracting local feature. The difficulties and trend of this technology are also briefly discussed.

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4653-4656

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September 2014

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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