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picture filter
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  图像的滤
     In order to extract the iris patterns from an eye picture quickly and conveniently,the Gabor function which is formerly used to simulate the simple cells in primary visual cortex is adopted as an eye picture filter function.
     将原用于模拟脑部主要直观皮层中单细胞的GABOR函数用作眼部图像的滤波函数,可以快捷方便地从眼部图像中提取虹膜图像。
短句来源
     In order to segment the iris patterns from an eye picture quickly and conveniently,this paper treats the Gabor energy operator which was formerly used to simulate the complex cells in primary visual cortex as an eye picture filter function.
     为了能快捷方便地从眼部图像中分割虹膜图像,本文将原用于模拟脑部主要直观皮层中复杂细胞的Gabor能量算子用作眼部图像的滤波函数.
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  相似匹配句对
     On the Filter
     关于共轭滤波器
短句来源
     The Diffusion Filter and Its Application for Picture Enlargement
     扩散滤波器及其在图象放大中的应用
短句来源
     The Method of Applying the Digital Filter to Improve the Picture Quality
     用数字滤波方法提高电视图象质量
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     The Picture World
     图世界
短句来源
     Decentralized Filter
     分散滤波器
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In order to extract the iris patterns from an eye picture quickly and conveniently,the Gabor function which is formerly used to simulate the simple cells in primary visual cortex is adopted as an eye picture filter function.Through analysing and optimizing the related function parameters,this method can distinguish the iris texture from sclera texture,and distinguish the iris texture from the pupil texture much better.Therefore the iris texture extraction can be implemented conveniently.The procedure of...

In order to extract the iris patterns from an eye picture quickly and conveniently,the Gabor function which is formerly used to simulate the simple cells in primary visual cortex is adopted as an eye picture filter function.Through analysing and optimizing the related function parameters,this method can distinguish the iris texture from sclera texture,and distinguish the iris texture from the pupil texture much better.Therefore the iris texture extraction can be implemented conveniently.The procedure of the iris recognition system are be simplified,as a result,its processing speed can be improved.

将原用于模拟脑部主要直观皮层中单细胞的GABOR函数用作眼部图像的滤波函数,可以快捷方便地从眼部图像中提取虹膜图像。实验表明,通过对该GABOR函数中相关参数的分析和优化,该方法能较好地将虹膜(纹理)与巩膜、虹膜与瞳孔进行分离,从而方便地实现虹膜提取,并能简化虹膜识别系统的程序,提高其处理速度。

In order to segment the iris patterns from an eye picture quickly and conveniently,this paper treats the Gabor energy operator which was formerly used to simulate the complex cells in primary visual cortex as an eye picture filter function.Through non-CRF inhibiting,and analyzing and optimizing related function parameters,the experiment indicates that this method can distinguish the pupil texture from an eye picture much better,thus can implement the iris texture extraction conveniently,simplify...

In order to segment the iris patterns from an eye picture quickly and conveniently,this paper treats the Gabor energy operator which was formerly used to simulate the complex cells in primary visual cortex as an eye picture filter function.Through non-CRF inhibiting,and analyzing and optimizing related function parameters,the experiment indicates that this method can distinguish the pupil texture from an eye picture much better,thus can implement the iris texture extraction conveniently,simplify the procedure of the iris recognition system,and improve its processing speed.

为了能快捷方便地从眼部图像中分割虹膜图像,本文将原用于模拟脑部主要直观皮层中复杂细胞的Gabor能量算子用作眼部图像的滤波函数.实验表明,通过对该Gabor能量函数非CRF抑制、相关参数的分析和优化,该方法能较好地将瞳孔纹理从眼部图像分离,从而方便地实现虹膜提取,并能简化虹膜识别系统的程序、提高其处理速度.

To overcome the shortcomings in the existing nude picture filtering systems and image recognition techniques,a feature vector-based nude picture detection algorithm was proposed.In the algorithm,chrominance value of the YIQ color coordinate and hue value of the YUV color coordinate were taken to build the skin color model,and the SSD(sum of square difference)on a 5×5 pixel window is used as the skin texture model.Then features representing the number and proportion of skin areas are extracted from...

To overcome the shortcomings in the existing nude picture filtering systems and image recognition techniques,a feature vector-based nude picture detection algorithm was proposed.In the algorithm,chrominance value of the YIQ color coordinate and hue value of the YUV color coordinate were taken to build the skin color model,and the SSD(sum of square difference)on a 5×5 pixel window is used as the skin texture model.Then features representing the number and proportion of skin areas are extracted from skin mask images and are consequently inputted into an SVM(support vector machine).The experimental results on databases containing 457 nude pictures and 1 101 non-nude pictures show that the proposed algorithm averagely achieves 89.3% in detection accuracy,85.8% in retrieval rate,and 4.4% in error rate.

针对现有色情敏感图像识别技术的缺陷,提出了基于特征向量的敏感图像识别技术.用YIQ彩色坐标系的色度和YUV彩色坐标系的色调作为皮肤的肤色模型,以5×5象素窗口的SSD(sum of square difference)作为皮肤的纹理模型.从敏感图像的皮肤掩码图像中提取与肤色区域数量和比例等有关的6个特征.将提取的特征向量输入到SVM(support vector machine)分类机,根据输出结果判断是否为敏感图像.对含457张敏感图像和1 101张非敏感图像的实验表明,该算法分类的精确度平均达到89.3%,查全率达到85.8%,误检率为4.4%.

 
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