%A YU Xin-yi, ZHAN Yi-an, ZHU Feng, OU Lin-lin %T Improved ORB Feature Extraction Algorithm Based on Quadtree Encoding %0 Journal Article %D 2018 %J Computer Science %R %P 222-225 %V 45 %N 11A %U {https://www.jsjkx.com/CN/abstract/article_17969.shtml} %8 2019-02-26 %X An improved ORB feature extraction algorithm based on quadtree encoding was proposed in this paper,which can solve the problem that the detected feature points are too dense to show the picture information completely.Firstly,the image pyramid is built to make the scale invariance.Then,the feature points are extracted on each image pyramid and quadtree encoding is introduced to homogenize the feature point.Finally,the direction and descriptor are calculated for each feature points.In this paper,the Xtion PRO was used as an experimental tool to extract the feature points under indoor environment,and the proposed algorithm was compared with others.Experimental results show the effectiveness and accuracy of the proposed method.