特征算法源码的相关内容

文章 2023-12-20 来自：开发者社区

OpenCV中应用尺度不变特征变换SIFT算法讲解及实战（附源码）

需要源码和图片请点赞关注收藏后评论区留言私信~~~应用尺度不变特征变换（SIFT）尺度不变特征变换是用于图像处理领域的一种局部特征检测算法，SIFT算法（1999）发现了图像或者视频中的特征，并由英国哥伦比亚大学获得专利。通常，我们可以使用特征进行分类或聚类。SIFT相对于平移、缩放和旋转是不变的SIFT算法描述如下输入：原始图像输出：图像的SIFT特征点方法：（1）使用高斯模糊滤波器以不同的比....

文章 2022-06-06 来自：开发者社区

【语音识别】基于傅立叶变换和MFCC特征结合DTW算法实现0-9的数字语音识别含Matlab源码

1 简介 1、语音识别系统概述语音信号是一种典型的非平稳信号，并且在录音过程中不免受到电噪音，呼吸产生的气流噪音以及录音环境下的突发噪音的影响，所以语音信号要经过预滤波、采样量化、分帧、加窗、预加重、端点检测等预处理过程后才可以进行下一步的特征征参数提取等工作。在接下来的语音训练阶段，我们将那些信号状态良好，携带噪声小且特征参数....

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