APPARATUS AND METHOD FOR IMAGE SEGMENTATION USING DUAL DICTIONARY LEARNING

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According to an embodiment of the present invention, a method for dividing an image comprises the steps of : obtaining a division target image to be divided into a plurality of parts; obtaining a first dictionary which is a group of one or more filters representing a feature of a sample image; obtaining a second dictionary which is a group of one or more filters representing a feature of a divided sample image generated by dividing the sample image into a plurality of parts; generating a result sparse code group which is a group of sparse codes for the division target image; and generating a result image by dividing the division target image into a plurality of parts by using the result sparse code group and the second dictionary.