Image feature point SIFT feature point
As for SIFT feature points, the following three blogs are very detailed and will not be repeated again.https://mp.weixin.qq.com/s/XVB88f119gRqpwTTRvTyrAhttps://mp.weixin.qq.com/s/Vx-8xsXd6aXoJupr0BEMowhttps://mp.weixin.qq.com/s/8WAgDmc1R_9rGRjM9eanDg
OpenCV code test
#include <iostre ...
Posted on Mon, 18 Nov 2019 11:53:44 -0500 by sella2009
OpenCV reading and writing XML and YAML format files
1. What is XML, YAML
XML: the earliest general information markup language, with good scalability but tedious
YAML: non markup language, compared with XML, which uses empty indented lines, shows the structure of data, simplifies writing format, reduces complexity and improv ...
Posted on Sun, 17 Nov 2019 14:32:25 -0500 by Xajel
Camera calibration procedure
1. Prepare a series of pictures for camera calibration, and store the path information of the pictures in the chess.txt file;
Baidu online disk links pictures and chess.txt file. When running, change the path of pictures to the path you placed:
Links: https://pan.baidu.com/s/1OLpD7csfKtjuEMCeP7yv ...
Posted on Sat, 16 Nov 2019 09:36:55 -0500 by Xproterg^vi
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Author: Li Qiujian
PS: If you need Python learning materials for your child, click on the l ...
Posted on Thu, 14 Nov 2019 01:41:23 -0500 by aesir5
Compare the default method of opencv with the rewriting method of opencv in ORB-SLAM2, and compare the results of image feature extraction between the two methods.
Write in the same file for comparison. The main functions are as follows:
#include <opencv2/opencv.hpp& ...
Posted on Sat, 02 Nov 2019 01:01:09 -0400 by thessoro
The camera data can be easily obtained through cv2.
For example, in the following steps, you can turn on the camera display and save the picture with the q key.
capture = cv2.VideoCapture(0)
# Turn on the camera
# The following two steps set the width and he ...
Posted on Thu, 31 Oct 2019 22:48:24 -0400 by pmt2k
1. Opencv obtains the information of each layer of the imported DNN model
1. C + + code
2. Python code
II. Relevant instructions
1. Support in-depth learning framework
2. There are three parameters to import the model
1. C + + code
Posted on Wed, 30 Oct 2019 12:37:46 -0400 by devsanctum
Origin wraps opencv so that opencv related functions can be called in Origin C. Here is an example of OpenCV website to show how to call opencv in Origin C.
1. Include header file
This header file actually contains other header files, including OpenCV type related, core, image processing, Origin's own impl ...
Posted on Mon, 21 Oct 2019 11:08:40 -0400 by ricoche
0. Official document of face & Recognition
1. Install face recognition
1.1 installing dlib
1) installation and development Environmental Science
[root@localhost ~]# yum update[root@localhost ~]#yum groupinstall "Development Tools"
2) install OpenCV
[root@localhost ~]# yum ...
Posted on Fri, 18 Oct 2019 10:48:07 -0400 by niroshan
In opencv, a set of functions are provided for camera calibration. The returned values of calibration include: camera internal parameter matrix (FX FY XC YC YC), camera external parameter matrix (RT) and distortion matrix.
The calibration procedure is as follows:
1. Prepare the chessboard, and the picture of chessboard can be printed by yours ...
Posted on Wed, 16 Oct 2019 18:42:24 -0400 by xterra