Provided is a tissue extraction system (10) for extracting tissue from a subject by using an image, wherein the tissue extraction system (10) comprises: an imaging unit (11) for arranging coordinate axes to capture a plurality of sequences； a conversion unit (12) for converting the plurality of sequences captured by the imaging unit (11) into histogram space in which the sequences are described in terms of the coordinate axes； and an extraction unit (13) for extracting tissue of the subject from the distribution of the histogram produced by the conversion unit (12).
