哈尔滨工程大学自动化学院,哈尔滨,150001
网络首发:2011-10-10,
纸质出版:2011
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吴攀超, 王宗义, 林欣堂. 采用局部差分模型描述的彩色图像配准技术[J]. 西安交通大学学报, 2011,45(10):30-37.
Color Image Registration Algorithm Using Local Derivative Pattern Approach[J]. 2011, 45(10): 30-37.
针对光照方向、强度、色彩或摄像头参数等因素的变化导致待配准彩色图像对间存在复杂的色彩变化
从而严重影响彩色图像配准效果的问题
提出了一种对彩色变化不敏感的彩色图像配准方法.该方法首先根据彩色图像间的von Kries彩色变换模型
建立图像的彩色不变量空间
在此空间利用尺度不变量特征转换(SIFT)算法完成特征点的检测; 为加快运算速度
采用2阶局部差分模型(LDP)方法对特征点进行描述
并完成彩色图像特征间的初匹配; 再进一步利用RANSAC算法消除误匹配特征点对
得到最终的匹配特征点对.实验结果表明
该彩色图像配准方法与其他算法相比
可以快速、准确地获得彩色图像间的映射关系
因此更加适合存在色彩变化的彩色图像的配准.
Complex illumination change
caused by changes of direction
intensity and color of illumination
or camera parameters
exists between color image pair
and seriously impairs the effect of color image registration. A color image registration algorithm which is insensitive to the illumination change is proposed to solve the problem. The algorithm transforms the original RGB color image space to a color image invariant space by using the von Kries color transform model. Then key-points are detected using the scale invariant feature transform(SIFT)algorithm in the color invariant space
and are described using the second-order local derivative pattern(LDP)method to accelerate matching speed and to complete elementary matching. The RANSAC algorithm is employed to discard mismatching feature pairs and to obtain the matching feature sets. Experimental results indicate that the proposed algorithm generates mapping relation more correctly and quickly than other color image registration methods. Hence
the proposed color image registration algorithm is suitable for color images in which there exists color illumination transform.
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用于图像分割的局部区域能量最小化算法. 西安交通大学学报, 2011, 45(8): 7-12.
线结构光多传感器三维测量系统误差校正方法. 西安交通大学学报, 2011, 45(6): 75-80.
一种胸部X射线摄影图像中结节检测的多尺度匹配滤波器. 西安交通大学学报, 2011, 45(4): 30-35.
改进的人工鱼群算法和Powell法结合的医学图像配准. 西安交通大学学报, 2011, 45(4): 46-52.
一种新的浮选泡沫图像识别方法. 西安交通大学学报, 2011, 45(4): 104-108.
彩色图像分割中基于图上半监督学习算法研究. 西安交通大学学报, 2011, 45(2): 11-14.
一种准线性光束平差方法. 西安交通大学学报, 2010, 44(12): 1-4.
大变形测量数字图像的种子点匹配方法. 西安交通大学学报, 2010, 44(11): 51-55.
一种应用于光照变化场景的视频编码方法. 西安交通大学学报, 2010, 44(10): 62-66.
基于视觉原理的分类算法. 西安交通大学学报, 2010, 44(10): 116-119.
利用特征子空间评价与多分类器融合的高光谱图像分类. 西安交通大学学报, 2010, 44(8): 20-24.
应用细粒度分块重构的多信道图像信息分存算法. 西安交通大学学报, 2010, 44(6): 78-82.
一种多尺度X射线胸片图像增强算法. 西安交通大学学报, 2010, 44(6): 83-87.
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