首页 opencv 车辆识别svm 模型数据集

opencv 车辆识别svm 模型数据集

上传者： hai411741962 | 上传时间： 2023-10-26 14:21:58 | 文件大小： 13.55MB | 文件类型： ZIP
实现步骤： 分析训练数据，提取图片HOG特征。 训练分类器 应用滑动窗口(sliding windows)实现车辆检测 应用热力图(heatMap)过滤错误检测(false positive) 分析训练数据，提取图片HOG特征 训练数据为64x64x3的RBG图片，包含车辆与非车辆图片两类，车辆图片8792张，非车辆图片8968张。 车牌图片数据预处理操作 数据集中的照片需要进行车牌定位、二值化、调整角度、最后分割成单个字符才可用于模型训练的字符集。将分割好的字符图片分别存放在对应的文件夹中，以便后续训练工作。在进行车牌定位时，考虑不同拍摄环境下所拍摄的图片质量参差不齐，传统的利用边缘检测算法进行定位的方法会出现较大偏差，所以利用颜色再定位的方法，对Sobel定位后的区域进行边界缩小，提高定位的准确性. 车牌字符分割以及特征提取字符分割过程包括对定位到的车牌图块灰度化、二值化、投影分析、去上下边框、根据阈值进行分割，得到用于识别的字符块。分割后的图块需要进行特征提取，才可以用于SVM训练与识别 SVM算法在车牌识别中的应用 支持向量机（SVM）是一种建立在统计学习理论基础上的分类方法

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