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基于色差梯度的彩色边缘检测方法 被引量：1

Color Image Edge Detection Based on Color Difference Gradient Operator
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摘要 彩色图像有亮度、色调和饱和度的信息.为了充分利用彩色图像丰富的信息,在L*a*b*颜色空间中,利用色差梯度算子对彩色图像进行边缘检测.该方法能检测出更符合视觉特性的彩色边缘.实验结果证明了这种方法是有效的,优于基于灰度的边缘检测方法. Color image possess the full information of brightness, hue and saturation. To take full advantage of the plentiful information of Color image, we established Color image Edge Detection based on color difference gradient operator, within the L ＊ a＊ b ＊ space. Compared with detection method based on the gradation, it＇s more effective. What＇s more, it can detect Color image Edge matching condition of visual characteristic. The methods apply in the areas of detecting edge of monitoring color image.
作者 张光年
机构地区 首都师范大学信息工程学院
出处 《首都师范大学学报（自然科学版）》 2008年第4期5-9,共5页 Journal of Capital Normal University：Natural Science Edition
基金 北京市科委"计算机多媒体监控系统"资助项目
关键词 彩色边缘检测 L＊a＊b＊颜色空间 色差梯度算子 color edge detection, L ＊ a ＊ b ＊ color space, color difference gradient operator
分类号 TN911.73 [电子电信—通信与信息系统]
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参考文献6

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  • 1Yao Mengkai. Researches on heliostats concentrating and imaging strategy and control system in solar power tower system [ D ]. ttangzhou : Zhejiang University, 2012.
  • 2Robaa S M. Evaluation of sunshine duration from cloud data in Egypt[J]. Energy, 2008, 33(5): 785--795.
  • 3Bosch J L, Kleissl J. Cloud motion vectors from a network of ground sensors in a solar power plant [J]. Solar Energy, 2013, 95: 13--20.
  • 4Comstock J M, Ackerman T P, Mace G G. Ground- based lidar and radar remote sensing of tropical cirrus clouds at Nauru Island: Cloud statistics and radiative impacts [J]. Journal of Geophysical Research : Atmospheres, 2002, 107(D23) : 4714.
  • 5Hammer A, Heinemann D, Lorenz E, et al. Short-term forecasting of solar radiation: A statistical approach using satellite data[J]. Solar Energy, 1999, 67(1-3) : 139--150.
  • 6Escrig H, Batlles F J, Alonso J, et al. Cloud detection, classification and motion estimation using geostationary satellite imagery for cloud cover forecast[J]. Energy, 2013, 55: 853--859.
  • 7Kazantzidis A, Tzoumanikas P, Bais A F, et al. Cloud detection and classification with the use of whole-sky ground-based images[J]. Atmospheric Research, 2012, 113 : 80-88.
  • 8Pfister G, McKenzie R L, Liley J B, et al. Cloud coverage based on all-sky imaging and its impact on surface solar irradianee [J]. Journal of Applied Meteorology, 2003, 42(10) : 1421--1434.
  • 9Cazorla A, Olmo F J, Alados-Arboledas L. Development of a sky imager for cloud cover assessment [ J ]. Journal of the Optical Society of America A, 2008, 25 (1) : 29-- 39.
  • 10Marquez R, Coimbra C F M. Intra-hour DNI forecasting based on cloud tracking image analysis[J]. Solar Energy, 2013, 91 : 327--336.

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首都师范大学学报（自然科学版）
2008年 第4期

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