[deep learning practical notes] yoloV3 multi object tracking pytorch implementation

Deep learning target tracking 1. Essence: get characteristic map, output classification and location by convolution neural network. 2. Classification of target tracking: ① Single class multitarget tracking: MTCNN, Retinaface ② Multi class and multi-target tracking: RCNN, spp net, fast RCNN / fast ...

Posted by scampbell on Thu, 18 Jun 2020 00:43:32 -0700

day03 switch & loop statement

1. switch statement 1.1 branch statement switch statement format switch (expression){ case 1: Statement body 1; break; case 2: Statement body 2; break; ... default: Statement body n+1; break; } Execution process: First calculate the value of the expression Secondly, compare wit ...

Posted by gobbly2100 on Wed, 17 Jun 2020 23:56:25 -0700

Finish MySQL (all) 2 in half a day

Finish MySQL in half a day (all) Finish MySQL (all) 1 in half a day The blogger uses MySQL version 8.0, and the storage engine is InnoDB. We don't explain InnoDB in detail here. If necessary, we recommend you to know This article Blog (or Baidu) https://www.jianshu.com/p/519fd7747137 3A. Add, delete, ...

Posted by pella.d on Wed, 17 Jun 2020 23:46:05 -0700

day8-python tuples, dictionaries, collections.

Article Directory Tuples, Dictionaries and Collections 1. Tuples 1. What is a tuple 1) Empty tuples: () 2) Tuples of a single element: (element) 3) Tuples of multiple elements: 2. Get the elements in the tuple 1) List of ways to get elements tuple support 2) Other ways (the same applies to lists) ...

Posted by suresh_m76 on Wed, 17 Jun 2020 09:25:45 -0700

Python notes 1 - numpy section

Start to sort out the important modules of python and the parts that you often forget. First, let's study and sort out numpy. First of all, numpy (Numerical Python) is a very important library of python. It is also a program library that I often use in my study and work process. It is mainly used for ar ...

Posted by mccormr7 on Tue, 16 Jun 2020 20:30:40 -0700

Thread Job: java implements multithreaded co-computing of quadratic equations of one variable

The school teacher set up two small threading jobs 1. Design aTest.cpp, defines variables: unsigned int sum=0; creates two threads T1 and T2, T1 behavior: sum+=1; T2 behavior: sum+=2; when the sum is greater than 1000000, outputs the sum value and ends the program. Q1: Run the program 10 times and rec ...

Posted by landonmkelsey on Tue, 16 Jun 2020 09:42:00 -0700

Exploring the inner of React -- postMessage & Scheduler

postMessage & Scheduler Write in front This article contains a certain amount of source code explanation, in which the author writes some contents to replace the official notes (that is, writing is almost equal to not writing that kind). If readers prefer the original code, Moveable step Official warehouse , read in combination. For this ...

Posted by literom on Mon, 15 Jun 2020 19:21:15 -0700

Basic use of Lucene and Solr

Lucene Lucene is a full-text search tool, which provides a complete set of APIs for creating, searching and indexing functions. We can call these APIs in the code to realize our search services. Inverted index Lucene implements index function based on inverted file index structure. So what is an i ...

Posted by pointsplat on Mon, 15 Jun 2020 01:13:25 -0700

Django CBV: form processing

CBV Reference link: https://docs.djangoproject.com/en/3.0/topics/class-based-views/generic-editing/ (official document of Django) CBV is Class Based View, which is to build a view through class. Different from FBV(Function Based View), by using class inheritance and mixins, CBV has higher code ...

Posted by miha on Mon, 15 Jun 2020 00:51:15 -0700

Competition between brothers -- ArrayList and LinkedList

In the process of daily development, we often use the list structure. Many brothers started to write such statements directly: List < x x x > x = new ArrayList < > ();. But there are many ways to implement list, and LinkedList is a general way to implement list without thread safety. We unde ...

Posted by adrianTNT on Mon, 15 Jun 2020 00:19:33 -0700