随笔分类 -  OpenCV

摘要:Opencv-Facial-Landmark-Detection 利用OpenCV中的LBF算法进行人脸关键点检测(Facial Landmark Detection) Note: OpenCV3.4+OpenCV-Contrib以及上支持Facemark 下面是Amusi具体利用OpenCV中的L 阅读全文
posted @ 2019-05-27 21:28 Jerry_Jin 阅读(3947) 评论(0) 推荐(0) 编辑
摘要:When installing OpenCV: Do: Then: The file /usr/lib/x86_64-linux-gnu/libvtkRenderingPythonTkWidgets.so is also not found but both of these appear to b 阅读全文
posted @ 2019-05-27 21:27 Jerry_Jin 阅读(3506) 评论(0) 推荐(0) 编辑
摘要:When using OpenCV reshape and gets this error: Let's look at the documentation of the reshape function, Wrong parameters can also cause this error Acc 阅读全文
posted @ 2019-05-21 17:42 Jerry_Jin 阅读(2624) 评论(0) 推荐(0) 编辑
摘要:一、算法介绍 KCF全称为Kernel Correlation Filter 核相关滤波算法。是在2014年由Joao F. Henriques, Rui Caseiro, Pedro Martins, and Jorge Batista提出来的,算法出来之后也算是轰动一时,这个算法不论是在跟踪效果 阅读全文
posted @ 2019-01-03 17:02 Jerry_Jin 阅读(74195) 评论(1) 推荐(7) 编辑
摘要:Click here to download the source code to this post. In this tutorial, you’ll learn how to use the YOLO object detector to detect objects in both imag 阅读全文
posted @ 2018-11-13 16:03 Jerry_Jin 阅读(5540) 评论(0) 推荐(0) 编辑
摘要:Super fast color transfer between images About a month ago, I spent a morning down at the beach, walking along the sand, letting the crisp, cold water 阅读全文
posted @ 2018-11-13 15:18 Jerry_Jin 阅读(2506) 评论(0) 推荐(0) 编辑
摘要:代码 先给出代码,再详细解释一下过程: #include <opencv2/core/core.hpp> #include <opencv2/imgproc/imgproc.hpp> #include <opencv2/highgui/highgui.hpp> #include <iostream> 阅读全文
posted @ 2018-09-05 18:51 Jerry_Jin 阅读(941) 评论(0) 推荐(0) 编辑
摘要:I have always been using OpenCV’s VideoCapture API to capture images from webcam or USB cameras. OpenCV supports V4L2 and I wanted to use something other than OpenCV’s VideoCapture API so I started di... 阅读全文
posted @ 2018-08-25 16:36 Jerry_Jin 阅读(3328) 评论(0) 推荐(0) 编辑
摘要:Android OpenCV Java:Codes: smallImg.copyTo( bigImg.submat( y, smallImg.rows(), x, smallImg.cols() ) );C++: image是原图,logo和mask是小幅图像,其中182,63,215,235,分别是覆盖位置左上角的点和覆盖的width和height[cpp] view plain copycv... 阅读全文
posted @ 2018-08-22 19:54 Jerry_Jin 阅读(3709) 评论(0) 推荐(0) 编辑
摘要:Mat的step,size,step1,elemSize,elemSize1这几个属性非常容易混淆。 OpenCV的官方参考手册也没有解释清楚这几个概念。前一段时间研究了一下每个属性的含义,如果有什么错误,欢迎大家指正。step1(i):每一维元素的通道数step[i]:每一维元素的大小,单位字节size[i]:每一维元素的个数elemSize():每个元素大小,单位字节elemSize1():每... 阅读全文
posted @ 2018-08-22 19:52 Jerry_Jin 阅读(3621) 评论(0) 推荐(1) 编辑
摘要:Title:OpenCVOpenCV像素值的获取与设置Fn 1 :使用 Mat 中对矩阵元素的地址定位的知识 (参考博文:OpenCV中对Mat里面depth,dims,channels,step,data,elemSize和数据地址计算的理解)Code 1 :int main(){ //新建一个uchar类型的单通道矩阵(grayscale image 灰度图) Mat m(400,... 阅读全文
posted @ 2018-08-21 17:34 Jerry_Jin 阅读(18208) 评论(0) 推荐(1) 编辑