Image feature point extracting system and application thereof

The invention discloses an image feature point extracting system and an application thereof. The system is composed of a feature point determination unit, a feature point extraction unit and a texturerichness determination unit. The feature point determination unit carries out feature point determination on a point in an image based on a feature point determination threshold. The feature point extraction unit in communication connection with the feature point determination unit is used for extracting a corresponding feature point. The texture richness determination unit in communication withthe feature point determination unit and the feature point extraction unit is used for analyzing whether the feature point extracted by the feature point extraction unit meets a corresponding point requirement of benchmark data according to the benchmark data and forming updating data to change the determination threshold correspondingly when the feature point does not meet corresponding point requirement. 本发明公开了图像特征点提取系统及