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Feature extraction is a key issue in contentbased
image retrieval (CBIR). In the past, a number of
texture features have been proposed in literature,
including statistic methods and spectral methods.
However, most of them are not able to accu
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Improved Active Shape Model for Facial Feature
Extraction in Color Images
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1．任意选取一个灰度图像和彩色图像，对算法中若干关键语句中的参数进行调整，得出不同的实验结果，并对这些结果进行分析。
2．根据自己所学知识，提出自己的轮廓线提取方法，与简单阈值法进行比较分析。
3．练习matlab自带算子的检测结果。
-1. Arbitrarily select a gray-scale images and color images, several key statements on the algorithm to adjust the parameters,
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摘要：变形车牌矫正和复杂牌照的文字区域提取是LPR中两个比较重要的问题。本文运用MATLAB，通过Radon
变换检测牌照的角度，使用旋转与错切变换相结合的方法来解决变形牌照矫正问题；通过对牌照区域进行颜色提取从
而消除非牌照颜色的干扰，解决复杂牌照的文字区域提取问题。-Abstract: The distortion correction and complexity of the license plate text area extraction is the LPR in the
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matlab code is designed for template matching and further extraction of water bodies from satellite images based on gradient density. code also consists of color segmentation and automatic useful cluster selections.
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matlab基于肤色的人脸特征提取，rgb转换到ycrcb空间-based on skin color segmentation matlab face feature extraction, rgb color space conversion to Ycrcb
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Matlab中的图像处理实例，降噪，颜色提取，对比度增强，可以参考(Matlab image processing examples, noise reduction, color extraction, contrast enhancement, can be referred to)
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