Information processing apparatus and information processing method

1. An information processing apparatus, comprising:

one or more processors configured to

acquire a shape characteristic of a target entity;

acquire a material characteristic of a material included in at least one portion of the target entity;

determine an extent to which the acquired material characteristic of the target entity matches a predetermined material characteristic based upon a magnitude of differences between the acquired material characteristic and the predetermined material characteristic, wherein the predetermined material characteristic is correlated with at least one portion of a three-dimensional model;

determine a degree of similarity between the shape characteristic of the target entity and a shape characteristic of the three-dimensional model based on a shape robust characteristic calculated from the three-dimensional model and including a set of vectors that remain unchanged under robustness operations including a rotating and a blurring of a shape of the target entity; and

determine that the target entity is one of a genuine copy and a pirated copy based on the determined extent to which the acquired material characteristic of the target entity matches the predetermined material characteristic and the determined degree of similarity between the shape characteristic of the target entity and the shape characteristic of the three-dimensional model.

2. The information processing apparatus according to claim 1 , wherein the three-dimensional model comprises a three-dimensional printing model.

3. The information processing apparatus according to claim 1 , wherein the shape characteristic of the target entity is obtained by scanning the target entity.

4. The information processing apparatus according to claim 1 , wherein the predetermined material characteristic comprises: a specific composition contained in a material; or a specific composition combination of a material.

5. The information processing apparatus according to claim 1 , wherein the material characteristic and the predetermined material characteristic are characterized by a visual characteristic.

6. The information processing apparatus according to claim 5 , wherein

the determining the extent to which the acquired material characteristic of the target entity matches the predetermined material characteristic comprises: matching an image of the target entity with an image of a reference entity, wherein the reference entity is made from the material having the predetermined material characteristic according to the three-dimensional model.

7. The information processing apparatus according to claim 1 , wherein the material characteristic and the predetermined material characteristic comprise one or more of: a chemical property, a microstructure characteristic, a combustion characteristic, a dissolving characteristic, a transmittance, a reflectivity, a perspective structure characteristic under X-rays, and a position and/or an embedding manner of a specific material in an entity.

8. The information processing apparatus according to claim 1 , further comprising:

a storage device configured to store a predetermined material characteristics of each three-dimensional model in a predetermined three-dimensional model set.

9. An information processing method, comprising:

acquiring a shape characteristic of a target entity;

acquiring a material characteristic of a material included in at least one portion of the target entity;

determining an extent to which the acquired material characteristic of the target entity matches a predetermined material characteristic based upon a magnitude of differences between the acquired material characteristic and the predetermined material characteristic, wherein the predetermined material characteristic is correlated with at least one portion of a three-dimensional model;

determining a degree of similarity between the shape characteristic of the target entity and a shape characteristic of the three-dimensional model based on a shape robust characteristic calculated from the three-dimensional model and including a set of vectors that remain unchanged under robustness operations including a rotating and a blurring of a shape of the target entity; and

determining that the target entity is one of a genuine copy and a pirated copy based on the determined extent to which the acquired material characteristic of the target entity matches the predetermined material characteristic and the determined degree of similarity between the shape characteristic of the target entity and the shape characteristic of the three-dimensional model.

10. The information processing apparatus according to claim 1 , wherein the degree of similarity between the shape characteristic of the target entity and the shape characteristic of the three-dimensional model is determined by comparing the shape robust characteristic of the three-dimensional model with a shape characteristic of the at least one portion of the target entity and comparing the shape robust characteristic of the three-dimensional model with a plurality of additional portions of the target entity that are adjacent to the at least one portion of the target entity.

11. The information processing method according to claim 9 , further comprising:

determining the degree of similarity between the shape characteristic of the target entity and the shape characteristic of the three-dimensional model includes

comparing the shape robust characteristic of the three-dimensional model with a shape characteristic of the at least one portion of the target entity, and

comparing the shape robust characteristic of the three-dimensional model with a plurality of additional portions of the target entity that are adjacent to the at least one portion of the target entity.