Opencv convertto 0より大きい場合、白として表示されますピクセルで、0. What is its purpose? After testing it, the size of the mat object is still the same. 图像处理过程中经常需要缩放数据值以及转换数据类型，OpenCV提供了函数cv::convertTo来完成 函数解析 void convertTo( Mat& m, int rtype, double alpha=1, double beta=0 ) const; Apr 7, 2024 · I want to convert a CV_32FC2 matrix (output from dense flow) to an CV_8UC2 matrix. Learn how to use the convertTo function to convert an array to another data type with optional scaling. i used the function cvconvertTo(imh,-1,2,0); The problem is where should i use the input image variable? Please help me Th Nov 16, 2016 · convertTo是 OpenCV 的一个函数，用于将图像的像素值转换为不同的数据类型或修改其像素强度。该函数主要用于图像预处理和后处理。convertTo函数是 OpenCV 中重要的图像处理功能，通过简单的线性变换有效地调整图像的对比度和亮度。它对于图像前处理、后处理以及 . It seem like CurrentMat has CV_32FC4 type, so Result will have CV_8UC4 (CV_8UC4 == 24). convertTo(temp_image,CV_16SC3); You have a source image image, and a destination image temp_image. My first attempt was Mat flowTmp, flowInt; flowTmp = flow + 10; flowTmp. BRISK_create() des = brisk. Oct 13, 2020 · convertTo的用法 src. xdckaumukxrdznaavprgffiwoqfkkbaampwcsrmidfodyhmnjrorxxinwwbhlrbhgtigwczketurw