NDLI: A matching method based on marker-controlled watershed segmentation

Content Provider	IEEE Xplore Digital Library
Author	Hu, Y. Nagao, T.
Copyright Year	2004
Description	Author affiliation: Graduate Sch. of Environ. & Inf. Sci., Yokohama Nat. Univ., Japan (Hu, Y.; Nagao, T.)
Abstract	A new template matching method that is based on marker-controlled watershed segmentation (TMCWS) is presented. It is applied to recognize numbers on special metal plates on production lines where traditional image recognition methods do not work well. In contrast to previous matching algorithms, TMCWS firstly creates a marker image for each pattern, and then takes both the pattern image and its corresponding marker image as a template window and shifts this window across a gradient space or an unknown image pixel by pixel to do a search. At each position, the marker image is used to try to extract the contour of the target object with the help of marker-controlled watershed segmentation, and the pattern image is employed to evaluate the extracted shape in each trial. All the pattern images and their corresponding marker images are tried and the pattern that best matches the target object is the recognition result. TMCWS contains shape extraction procedures. Experiments are performed with this method on nearly 400 images of metal plates and the test results show its effectiveness in recognizing numbers in noisy images.
Starting Page	283
Ending Page	286
File Size	324501
Page Count	4
File Format	PDF
ISBN	0780385543
ISSN	15224880
DOI	10.1109/ICIP.2004.1418745
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-10-24
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Image recognition Image segmentation Pattern matching Pixel Shape Production Pattern recognition Target recognition Performance evaluation Testing
Content Type	Text
Resource Type	Article

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