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我国是世界上小麦种植面积最大和消费最高的国家之一。小麦为国际主粮之一，也是食品工业的重要原料。作为最重要粮食品种之一的小麦，其价值与用途取决于它的品质。因此，基于信号处理技术，研究客观、便捷的小麦品质测定方法对提高小麦品质、减少产后损失、保证国家粮食安全具有十分重要的意义。本课题拟在研究、分析国内外无损检测技术在农产品品质分析应用现状和研究进展的基础上，研究小麦籽粒声信号的预处理方法。根据声学检测原理，研制出小麦籽粒的声信号采集装置，首先采集小麦籽粒下落碰撞所产生的声音信号，对小麦声信号进行编辑
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The system has been developed to implement data cleaning techniques .If the data in the data bases are incomplete, noisy and inconsistent and we wish to analyze data by data mining techniques, then we have to preprocess the data by using preprocessin
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As the years of intensive research and development went by, and with the birth of
several new conferences and workshops such as IWFHR (International Workshop
on Frontiers in Handwriting Recognition),1 ICDAR (International Conference on
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采用了Harrtraining和离子滤波算法实现了拥挤人群人头计数，非常有用。VC++和Opencv开发，采用Oepncv中的Harrtraining训练一个分类器即可运行-Human detection and tracking in high density
crowds is an unsolved problem. Standard preprocessing techniques such
as background modeling fail when most of the
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Logarithm transform is the preprocessing techniques used to normalize the illumination variation.
In the log domain the re
ectance and illumination of the image can be easily
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The problem of intrusion detection has been studied and received a lot of attention in
machine learning and data mining in the literature survey. The existing techniques are not
effective to improve the classification accuracy and to reduce high
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Diagnosing Prostate cancer is a challenging task for Urologists,
Radiologists, and Oncologists. Ultrasound imaging is one of the
hopeful techniques used for early detection of prostate cancer.
The Region of interest (ROI) is identified by diffe
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基于小波预处理技术的低频振荡Prony分析-Preprocessing techniques based on wavelet analysis of low frequency oscillation Prony
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完整的车牌识别系统，包括车牌图像预处理技术、定位技术、字符分割技术、字符识别技术。车牌识别系统编程实现，包含源码和可执行程序。-Complete license plate recognition system, including the license plate image preprocessing techniques, positioning technology, character segmentation, character recognition technology. L
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Image preprocessing techniques
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使用OPENCV库提供的接口，实现人脸的识别功能。
在一个人脸识别系统中，应用多种预处理技术对将要识别的图片进行标准化处理是极其重要的。多数人脸识别算法对光照条件十分敏感，所以假如在暗室训练，在明亮的房间就可能不会被识别出来等等。比如脸部也应当在图片的一个十分固定的位置（比如眼睛位置为相同的像素坐标），固定的大小，旋转角度，头发和装饰，表情（笑，怒等），光照方向（向左或向上等），这就是在进行人脸识别前，使用好的图片预处理过滤器十分重要的原因。你还应该做一些其它事情，比如去除脸部周围的多余像素（
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