%0 Journal Article
%T Quaternion and Color Image Edge Detection<br>四元数与彩色图像边缘检测
%A LANG Fang-Nian
%A ZHOU Ji-Liu
%A YAN Bin
%A SONG En-Bing
%A ZHONG Fan
%A <br>郎方年
%A 周激流
%A 闫斌
%A 宋恩彬
%A 钟凡
%J 计算机科学
%D 2007
%I 
%X Regarding R,G, B of color iamge pixel as the three weights of color space vector, two color iamge edge detec- tion algorithms have been proposed using corresponding knowledge of vector field flux and quaternion. Maximizing vec- tor flux based detection algorithm can detect more edge details comparing conventional algorithm, simultaneously, this algorithm has quite self-adaptive ability to different nature iamges. A novel edge detection algorithm also be proposed based on quaternion using the easy quaternion expressing of vector rotating. Experiment result illuminate that the two algorithms have good detection effects to color iamge, especially, quaternion vector rotating based algorithm can detect much more texture details which the conventional algorithm can't realize it.
%K Vector field
%K Quatity field
%K Quaternion
%K Gradient
%K Edge detect
%K Sobel operator<br>矢量场
%K 数量场
%K 四元数
%K 梯度
%K 边缘检测
%K Sobel算子
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=C7D7BBD61C90708B4BE6C5CE289B03C5&yid=A732AF04DDA03BB3&vid=339D79302DF62549&iid=708DD6B15D2464E8&sid=D2742EEE6F4DF8FE&eid=CEC789B3C68C3BB3&journal_id=1002-137X&journal_name=计算机科学&referenced_num=3&reference_num=6