US 8,571,273 B2 · Method and apparatus for performing feature extraction using local primitive code

Abstract

Various methods for feature extraction using local primitive code are provided. One example method includes determining an origin block within an image, an arc, an arc orientation, and a distance between the origin block and the arc. In this regard, the origin block may include one or more pixels of the image. The example method also includes determining at least one arc block. In this regard, the arc block may be located on the arc and the arc may be located with respect to the origin block based on the arc orientation and the distance. Some or all of the at least one arc blocks may include one or more pixels of the image. The example method also includes determining at least one feature value based on attributes of the origin block and the at least one arc block. Similar and related example methods and example apparatuses are also provided.

Claims20

Dependent claims

A method comprising:

determining an origin block within an image, an arc, an arc orientation, and a distance between the origin block and the arc, the origin block including one or more pixels of the image;
determining at least one arc block, the arc block being located on the arc and the arc being located with respect to the origin block based on the arc orientation and the distance, the at least one arc block including one or more pixels of the image;
and
determining, via a processor, at least one feature value based on attributes of the origin block and the at least one arc block.

1 more element

An apparatus comprising at least one processor and at least one memory including computer program code, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus or an other apparatus to perform at least the following:

determining an origin block within an image, an arc, an arc orientation, and a distance between the origin block and the arc, the origin block including one or more pixels of the image;
determining at least one arc block, the arc block being located on the arc and the arc being located with respect to the origin block based on the arc orientation and the distance, the at least one arc block including one or more pixels of the image;
and
determining at least one feature value based on attributes of the origin block and the at least one arc block.

1 more element

An computer program product comprising at least one non-transitory computer-readable storage medium having executable computer-readable program code instructions stored therein, the computer-readable program code instructions configured to:

determine an origin block within an image, an arc, an arc orientation, and a distance between the origin block and the arc, the origin block including one or more pixels of the image;
determine at least one arc block, the arc block being located on the arc and the arc being located with respect to the origin block based on the arc orientation and the distance, the at least one arc block including one or more pixels of the image;
and
determine at least one feature value based on attributes of the origin block and the at least one arc block.

1 more element

Dependencies are inferred from the claim text.

Method and apparatus for performing feature extraction using local primitive code

Life of this patent

Method and apparatus for performing feature extraction using local primitive code

Life of this patent

Abstract

Claims20