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浙江大学学报(工学版)
计算机技术﹑电信技术     
边缘加强型的彩色空间最稳极值区域
潘能杰,于慧敏
浙江大学 信息与电子工程学系,浙江 杭州 310027
Edge-enhanced maximally stable color regions
PAN Neng-jie, YU Hui-min
Department of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China
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摘要:

缘加强型的彩色空间最稳极值区域(EMSCR)利用对模糊变化具有较好鲁棒性的边缘信息来约束稳定极值区域的检测,通过加强边缘处像素点之间的差异性,减小区域内部像素点之间的差异性,从而提高模糊不变性;EMSCR采用具有良好光照不变性的Opponent颜色空间,使区域特征具有更好的光照不变性.实验表明,与MSCR相比,EMSCR在保持其具有丰富相关区域特征这一优点的同时,全面提高了其不变性,与MSER相比,EMSCR提高了部分不变性,尤其是对于图像模糊,不变性有大幅度的提高,且EMSCR所获得的相关区域特征明显多于MSER.

Abstract:

The proposed edge-enhanced MSCR (EMSCR) integrated image edge information which had strong image blur robustness to enhance the detection of stable extremal regions. The edge information was got by the idea of assigning a probability of boundary for every pixel. Then the edge information was utilized by strengthening the differences between edge pixel and region interior pixel and weakening the differences between the region interior pixels. Stable color regions were detected at the Opponent color space which had better illumination invariance. Experimental results show that EMSCR  improves the invariance of MSCR in almost all image transformations when holding the advantage of more corresponding region features. EMSCR  improves the invariance of MSER in some image transformations, especially for image blur. The corresponding region features detected by EMSCR are also more than that detected by MSER.

出版日期: 2014-08-04
:  TN 911  
基金资助:

国家“973”重点基础研究发展规划资助项目(2012CB316400)

通讯作者: 于慧敏,男,教授     E-mail: yhm2005@zju.edu.cn
作者简介: 潘能杰(1987-),男,硕士生,从事计算机视觉、图像处理的研究.E-mail: pnj85086@zju.edu.cn
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潘能杰,于慧敏. 边缘加强型的彩色空间最稳极值区域[J]. 浙江大学学报(工学版), 10.3785/j.issn.1008-973X.2014.07.014.

PAN Neng-jie, YU Hui-min. Edge-enhanced maximally stable color regions. JOURNAL OF ZHEJIANG UNIVERSITY (ENGINEERING SCIENCE), 10.3785/j.issn.1008-973X.2014.07.014.

链接本文:

http://www.zjujournals.com/eng/CN/10.3785/j.issn.1008-973X.2014.07.014        http://www.zjujournals.com/eng/CN/Y2014/V48/I7/1241

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