The present invention relates to a method for recognizing an object in an image, and a device therefor. The method for recognizing an object in an input image according to the present invention may comprise: an object recognition step for detecting objects in the image and recognizing the detected objects to determine one or more candidate categories corresponding to the objects; a main object selection step for selecting a main object among the objects included in the image on the basis of a recognition accuracy degree; a space estimation step for estimating a space to which the selected main object belongs, using a space-object relationship model which has predefined relationships between the space and the objects; a candidate category selection step for selecting some of the candidate categories corresponding to the objects according to the estimated space; and a category determination step for determining a category of the objects among the selected candidate categories.
METHOD FOR RECOGNIZING OBJECT ON BASIS OF SPACE-OBJECT RELATIONSHIP GRAPH, AND DEVICE THEREFOR