SIMILAR ITEM DETECTION

摘要

A method to determine image similarities. The method may include obtaining a first image and a second image and determining a discrete transform difference between a first discrete transform of the first image and a second discrete transform of the second image. The method may also include determining multiple first intensity vectors for the first image and determining multiple second intensity vectors for the second image. The method may also include determining an intensity vector difference between the multiple first intensity vectors and the multiple second intensity vectors and determining a color difference between a first color histogram of the first image and a second color histogram of the second image. The method may also include determining a similarity between the first image and the second image based on the discrete transform difference, the intensity vector difference, and the color difference.

主权项

1. A system, comprising:
a database configured to store a first image associated with a first product offered for sale and a second image associated with a second product offered for sale; and a computing system communicatively coupled to the database, the computing system configured to:
determine a similarity between the first image and the second image; andbased on a result of the determination, alter a presentation of the second image to a buyer,wherein determining the similarity between the first image and the second image includes:
applying a discrete transform to the first image to generate a first transform matrix that is a frequency representation of the first image;applying the discrete transform to the second image to generate a second transform matrix that is a frequency representation of the second image;determining a discrete transform difference between the first transform matrix of the first image and the second transform matrix of the second image;determining a plurality of first intensity vectors for the first image, each of the plurality of first intensity vectors corresponding to a different one of a plurality of first pixels of the first image;determining a plurality of second intensity vectors for the second image, each of the plurality of second intensity vectors corresponding to a different one of a plurality of second pixels of the second image;determining an intensity vector difference between the plurality of first intensity vectors and the plurality of second intensity vectors;generating first color information of the first image based on one or more first color histograms of hue and saturation of the first image;generating second color information of the second image based on one or more second color histograms of hue and saturation of the second image;determining a color difference between the first image and the second image using the first color information and the second color information; anddetermining the similarity between the first image and the second image based on the discrete transform difference, the intensity vector difference, and the color difference.