Using Python, OpenCV reads every frame of the video, writes the video after modification

Write the video to a file using OpenCV 3 and save it on your own disk Try to only support writing in avi format. mp4 format will generate files but cannot play them. There is a format error; However, if you're trying to write videos in your own application as an archive using OpenCV, be prepared to: ...

Posted by p2grace on Tue, 23 Jun 2020 20:15:27 -0700

The evolution of semantic segmentation model and the reading of related papers

This paper summarizes and analyzes the evolution process of the mainstream semantic segmentation model architecture, involving more than 20 models including FCN, DeepLab series, RefineNet, PSPNet, BiSeNet, FastFCN, ConvCRFs, DUpsampling, DFANet, DANet, FickleNet, LedNet, ACNet, etc., which were origina ...

Posted by thewabbit1 on Tue, 23 Jun 2020 18:49:26 -0700

In addition to FastJson, you should also know about Jackson

At the end of last month, I received a message about fastjson security vulnerability, and suddenly thought that there seemed to have been many such events (on fastjson). In terms of security, although the chance of getting shot is small, in this era of increasingly complex information, security has beco ...

Posted by makoy on Fri, 05 Jun 2020 21:13:33 -0700

Implementation of Mina Tcp Socket Client

1. Introducing dependencies <!-- https://mvnrepository.com/artifact/org.apache.mina/mina-core --> <dependency> <groupId>org.apache.mina</groupId> <artifactId>mina-core</artifactId> <version>2.0.7</version> </dependency>   2. Create ...

Posted by Wildbug on Wed, 27 May 2020 09:59:54 -0700

Hive quick start series (12) | introduction and use of hive data compression

                   . Catalog 1, Hadoop source compilation supports Snappy compression 1.1 resource preparation 1.2 jar package installation 1.3 compiling source code 2, Hadoop compression configuration 2 ...

Posted by pavanpuligandla on Tue, 05 May 2020 23:29:55 -0700

Voice communication solution summary

Voice communication scheme System level solutions and self built protocols windows platform, linux platform, embedded linux platform, mcu platform 1. Voice solution of wired communication developed on Embedded Linux This scheme is developed on Embedded Linux. The audio scheme is based on ALSA. The voice communication is related to user ...

Posted by vtb on Tue, 21 Apr 2020 18:12:51 -0700

FFmpeg setting OpenMax hardware encoding

OpenMax is a unified multimedia framework. ffmpeg supports H264 OpenMax encoding. This paper records how to enable OpenMax encoding. ffmpeg version: 4.0 OpenMax header version: 1.2 First download ffmepg, then the header file of OpenMax, and extract the zip of the header file to get Copy the header file to the include of the corresponding pla ...

Posted by thebopps on Thu, 16 Apr 2020 09:11:16 -0700

Tron Block Chain PHP Docking Development Kit [TronTool]

The TronTool development kit is designed to rapidly increase support for Tron/USDT-TRC20 digital assets for PHP applications in scenarios that use their own Tron block chain nodes as well as in lightweight deployment scenarios based on Tron's official public API services.Official TronTool download address: http://sc.hubwiz.com/codebag/tron-php- ...

Posted by bmbc on Thu, 09 Apr 2020 18:42:42 -0700

Course assignment - get all campus news

Operation requirements: Take out all the news of a news list page and wrap it into a function. Get the total number of news articles and calculate the total number of pages. Get all news details for all news list pages. Find a topic that you are interested in, do data crawling and word segmentation analysis. Can't be the same as other students ...

Posted by zubinkasad on Thu, 02 Apr 2020 22:18:00 -0700

Spring boot + websocket + netty to push messages

Thank you for your reference- http://bjbsair.com/2020-04-01/tech-info/18392.html One of the application scenarios of Netty in the project: the message push function can be used to push messages to all users, or to specify a user. The spring boot project is created. The background server uses Netty technology, and the front page uses WebSocket t ...

Posted by jpadie on Thu, 02 Apr 2020 08:24:30 -0700