A method for authenticating bottom design of purple sand teapot

Abstract

The invention discloses a method for identifying the authenticity of purple sand teapot bottom style, which comprises the following steps: zooming the purple sand teapot bottom style image, extractingthe key points of purple sand teapot bottom style image under different scale spaces; scaling the purple sand teapot bottom style image; from the extracted key points, a number of key points existingin different scales being selected as stable points adaptively; calculating the matching ratio of the stable points of the two bottoms of the purple sand teapot, and judging the similarity of the twobottoms of the purple sand teapot according to the matching ratio, so as to judge the authenticity of the purple sand teapot.

Description

technical field [0001] The invention relates to the field of authenticity identification of purple clay teapots, in particular to a method for identifying authenticity of purple clay teapot bottom inscriptions. Background technique [0002] With the rapid development of network and computer, people use the network to obtain more and more information from digital images. On the surface, the image information gives people an intuitive and real feeling. At the same time, with the rapid development of image processing and computer graphics technology, people can easily produce high-fidelity images. [0003] The inscription of the purple clay teapot is an important evidence for the identification of the age of the purple clay teapot and the name of the maker. It is also an important basis for the valuation of the purple clay teapot in the cultural, museum, antiques and auction circles. An important basis for collectors to identify purple clay teapots. [0004] The inscriptions ...

AI Technical Summary

Problems solved by technology

[0004] The inscriptions on the counterfeit teapots are very similar to those on genuine teapots. Problems such as lighting, angles, and shadows will cause differences in the inscription images on the bottom of the teapots in different environments. Therefore, collectors of teapots often cannot spot the teapots with the naked eye. Identify some small texture differences on the bottom of the teapot to identify the authenticity of the teapot

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