Python 1. Face recognition OpenCV Linux

Turn from https://blog.csdn.net/chen801090/article/details/95072592 , the original text is to identify Huang Jiaju and Huang Jiaqiang. The difference is that this article changes to Wanxi and Jiang Shuying. Why do you choose them... In addition, add a recognizer to download in the link (the resource ...

Posted by alan007 on Thu, 16 Jan 2020 07:56:43 -0800

ubuntu 18.04 configuration opencv3.4.5+contrib+cuda10.0

1: Preparations First, configure opencv3.4.5+contrib, so you only need to continue to configure cuda on this basis. For how to configure opencv-3.4.5 + opencv-3.4.5, see this blog: opencv-3.4.5+contrib Then download cuda 10.0 at: CUDA 10.0 download II. CUDA installation install Open the terminal ...

Posted by mwichmann4 on Wed, 15 Jan 2020 01:02:34 -0800

Building a remote monitoring system using nodejs and python 1. Video capture module

How to use python and nodejs to build a remote monitoring system without saying anything. 1. Platform and Environment Python 3.6, opencv3.0 or above (or some functionality in cv2 is unavailable) nodejs8.9.4 relies on the following { "name": "video", "version": "1.0.0", "description": "Simple live video program", "m ...

Posted by mgmoses on Mon, 13 Jan 2020 08:07:10 -0800

Jetson Nano study notes

Catalog 1. Development environment configuration 1.1 update source and software 2.1 installing Code OSS The following is a simple demonstration of how to use Code OSS to execute Python scripts. 2.2 installation of Qt5 3. Project cases 3.1 face detection 3.1.1 installation of pip 3.1.2 install Python ...

Posted by Birmingham on Mon, 13 Jan 2020 05:21:04 -0800

Python opencv: reading, modifying and displaying pictures

opencv+Python is used to learn the basic operation of image processing. Now it is sorted out as follows, as learning notes and forgetting records. 1. Picture loading You can read the picture from the local path and get its size: import cv2 img = cv2.imread('Tree.jpg') shape = img.shape The results are as follows: 2. Pic ...

Posted by spider0176 on Mon, 06 Jan 2020 00:49:18 -0800

Tensorbboard write picture

The default channel for opencv to read pictures is bgr, which is not a common rgb. A conversion is needed to display the pictures normally. Otherwise, there will be color confusion!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!   Write picture seems to be asynchronous operation You need to wait for a while to write in. If you don't set the wait, you wil ...

Posted by Wolfsoap on Sun, 05 Jan 2020 18:14:16 -0800

opencv replaces solid background with transparent background

Recently, in the development of matting project, a colleague wants to remove a color. It's very easy to use OpenCV. I use opencv3, which has foreach to use The pictures to be cut are as follows: He wants to remove the black (0,0,0) background, so the code is as follows: #include <opencv2/core/core.hpp> #include <opencv2/highgui/h ...

Posted by pod2oo5 on Sat, 04 Jan 2020 22:58:11 -0800

Ubuntu 18.04 install artificial intelligence image processing tool OpenCV

Picture.png python version installation $ sudo pip install opencv-python $ sudo pip install opencv-contrib-python C++ installation Install OpenCV dependency $ sudo apt-get update $ sudo apt-get upgrade # development tool $ sudo apt-get install build-essential cmake unzip pkg-config # Graphics library $ sudo apt-get instal ...

Posted by xenophobia on Wed, 01 Jan 2020 17:00:48 -0800

Opencv development note 6: pixel reading and writing (2) comparison of reading and writing efficiency

1, How to calculate efficiency To calculate the efficiency of a program, you need to get the time it takes for the program to run to its current location Two simple timing functions getTickCount() and getTickFrequency() are provided in opencv     double t = (double)getTickCount();     // do something ...     t = ((double)get ...

Posted by lmaster on Sat, 21 Dec 2019 12:36:25 -0800

Kinect2 runs RGB-D interface under orb slam2 through ROS

Written in front In the last article, I recorded the driver of Kinect2 installed in Ubuntu and the bridge running in ROS. Now I can't wait to run the RGB-D interface under ORB-SLAM2. Modify ORB-SLAM2 After installing the Kinect2 driver, execute: roslaunch kinect_bridge kinect_bridge.launch Then execute the following comm ...

Posted by potatoCode on Tue, 17 Dec 2019 14:05:40 -0800