Information processing system and its control method, program

Abstract

We want to be able to recognize objects with greater accuracy. [Solution] A storage means for storing registered images relating to an object, to which the type of the object is associated, A means for identifying registered images that satisfy the predetermined conditions among the registered images, using information indicating the size of the region relating to the object extracted from the captured image and predetermined conditions relating to the size, A type identification means for identifying the type of object relating to the area based on the registered image identified by the identification means, Equipped with, The aforementioned identification means uses different conditions depending on whether the shape of the object relating to the region is a first shape or a shape other than the first shape.

Claims

1. A storage means for storing registered images relating to an object, the type of the object associated with the image, If the object in the captured image is the object with the first shape among a plurality of objects with shapes including a first shape and a second shape which is different from the first shape, the identification means identifies a predetermined registered image among the registered images using a rotation image that satisfies predetermined conditions from a plurality of rotation images obtained by rotating the image containing the object, A type identification means for identifying the type of object based on the predetermined registered image identified by the identification means, An information processing system characterized by comprising the following features.

2. The predetermined condition includes the fact that the area of ​​the region relating to the object is the smallest among the plurality of rotated images. The information processing system according to claim 1, characterized by the following:

3. Further comprising a calculation means for calculating a predetermined feature quantity based on the feature quantity relating to the image and the feature quantity relating to the rotated image that satisfies the predetermined conditions, The identification means identifies the predetermined registered image that satisfies the similarity conditions from among the registered images, based on the predetermined feature quantity and the feature quantity related to the registered image. The information processing system according to claim 1, characterized by the following:

4. The predetermined feature quantity is the average value of the feature quantity relating to the image and the feature quantity relating to the rotated image that satisfies the predetermined conditions. The information processing system according to claim 3, characterized by the following:

5. The identifying means identifies a predetermined registered image that satisfies the size condition among the registered images, using information indicating the size of the area relating to the object and a condition relating to the size. The information processing system according to claim 1, characterized by the following:

6. The claim further comprises a calculation means for calculating a predetermined feature quantity based on the feature quantity relating to the image and the feature quantity relating to the rotated image that satisfies the predetermined conditions, The aforementioned specifying means is, Based on the predetermined feature quantities and the feature quantities relating to the registered images, the predetermined registered images that satisfy the similarity conditions are selected from among the registered images. Using information indicating the size of the area relating to the object and conditions relating to the size, the predetermined registered image that satisfies the conditions relating to the size is identified from among the registered images. The type identification means controls the identification of the type of object based on the predetermined registered image that satisfies the conditions relating to similarity and the conditions relating to size. The information processing system according to claim 1, characterized by the following:

7. The form further comprises a shape-identifying means for identifying the shape of the object, The shape-identifying means identifies whether the shape of the object is the first shape or the second shape, The identification means, when the shape of the object identified by the shape identification means is the first shape, identifies a predetermined registered image from among the registered images using a rotation image that satisfies predetermined conditions from among a plurality of rotation images obtained by rotating an image including the object. The information processing system according to claim 1, characterized by the following:

8. The first shape is one of the following: ellipse, quadrilateral, or polygon. The information processing system according to claim 1, characterized by the following:

9. The second shape is a perfect circle. The information processing system according to claim 1, characterized by the following:

10. The system further includes an extraction means for extracting a rectangular region from the aforementioned image as the region relating to the object. The information processing system according to claim 1, characterized by the following:

11. The aforementioned object is tableware. An information processing system according to any one of claims 1 to 5 or 7 to 10, characterized by the above.

12. The rotated image that satisfies the predetermined conditions is an image that includes the object normalized by rotation. An information processing system according to any one of claims 1 to 5 or 7 to 10, characterized by the above.

13. A method for controlling an information processing system, The storage means of the information processing system includes a storage step of storing registered images relating to an object, wherein the type of the object is associated with the storage means, The identification means of the information processing system includes, when the object in the captured image is an object of the first shape among a plurality of objects of shapes including a first shape and a second shape which is a different shape from the first shape, an identification step of identifying a predetermined registered image from among the registered images using a rotation image that satisfies predetermined conditions from among a plurality of rotation images obtained by rotating the image including the object, The type identification means of the information processing system includes a type identification step that identifies the type of the object based on the predetermined registered image identified in the identification step, A control method for an information processing system, characterized by comprising the following:

14. A program for causing at least one computer to function as one of the means of an information processing system according to any one of claims 1 to 5, 7 to 10.

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