The barcode localization is an important prerequisite for its reading. This work deals with the barcode localization in an image. This thesis briefly describes the meaning of barcodes, principles and algorithms of its localization. The main part of this work is concentrated on analysis, concept and implementation of the new localization method. The proposed approach is based on the observation of changes in the intensity profile. Due to this method is fast and accurate. In order to test the rate of success of the algorithm, set of five hundred pictures has been taken. The result is the implementation suitable for real-time usage in the barcode reader application
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