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通过人脸图像归一化，人脸检测，特征提取等处理后，实现人脸识别功能-Through the Human face image normalization, face detection, feature extraction, such as treatment, the realization of face recognition feature
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完整的表情识别系统一般包括人脸表情图像捕获、预处理、人脸检测与定位、
人脸分割与归一化、人脸表情特征提取、人脸表情识别。本文着重研究了人脸表
情特征提取、特征选择及表情分类等关键问题，并提出了一些改进的方法，同时
进行了仿真实验-Complete expression recognition systems typically include facial expression image capture, preprocessing, face detection and loca
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利用模版图像对原图像进行归一化处理，完成图像的归一化-Template image using the original image normalization, the normalization of image
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pre-processing image
-smoothing image
-histogram normalization
edge detection
-canny edge detection
draw contours
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小熊工具箱是由中科院对地观测中心在读博士胡勇将自己写的IDL代码整理而成，包含许多实用功能：相对辐射归一化、矩匹配相对辐射校正、趋势分析、最大值合成、MODIS质量数据转换、批量矢量裁剪、MRT批处理、TVDI、ROI分离器、批量生成缩略图、批量生成影像范围（shp）-Bear toolbox by CAS CEODE PhD Hu Yong will write their own IDL code cleanup is made, it contains many useful featur
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在图像照度不均匀的情况下，可以通过Gamma校正，将图像整体亮度提高或降低。在实际中可以采用两种不同的方式进行Gamma标准化，平方根、对数法。(In the case of uneven image illumination, the image brightness can be increased or decreased by Gamma correction. In practice, Gamma normalization, square root, and logarithmic
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集成的图像预处理方法，包括图像直方图均衡化，直方图规格化，中间还有CT图像的重建，产生sheeplogan 模型，产生投影数据，CT图像重建(Integrated image preprocessing methods, including image histogram equalization, histogram normalization, and CT image reconstruction in the middle, produce sheeplogan model, gener
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Histogram extraction and histogram normalization
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利用线性Hough变换和Canny边缘探测得到的所输入虹膜图像上各点的坐标，最终通过归一化产生一个虹膜的特征模板。(The coordinates of each point on the iris image are obtained by using the linear Hough transform and the Canny edge detection. Finally, a feature template of the iris is generated by the norma
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