Coordinate systems in OpenCV

four thousand eight hundred and seventy-two Unauthorized reproduction is prohibited Understanding the course
Course Introduction
discuss {{interaction.discussNum ? '(' + interaction.discussNum + ')' : ''}}
Suitable for people
Python developers, AI programmers, computer vision engineers, OpenCV enthusiasts
You will learn
You will have a comprehensive and profound understanding of the core API of OpenCV4 for Python
Course Introduction

OpenCV Project Practice (Python Version)

  OpenCV Python Project Practice.png

This course mainly explains the use of OpenCV 4 for Python's core API, and provides a large number of practical cases. The main contents of the course include: OpenCV 4 for Python installation, image processing, color space, channel Combination of Numpy and OpenCV, drawing graphics, threshold function, geometric transformation, image operation, filter, morphological method, graphic detection, matching template, video processing, face recognition


design sketch

 01.png

 03.png

 04.png

 05.png

 06.png

 11.png

 07.png

 15.png

 16.png

 14.png

 18.png


 20.png

common problem
Q: Which version is used by OpenCV
Answer: OpenCV uses the latest OpenCV 4
Q: Which version is used by Python
Answer: Python uses 3.10
Expand more
release
 head portrait

{{ item.user.nick_name }} {{ EROLE_NAME[item.user.identity] }}

Topping note
 Discussion Chart
{{ item.create_time }} reply
  • delete

    Are you sure to delete?

    confirm
    cancel
  • {{item. is_top==1? 'Cancel topping': 'topping'}}

    The discussion that has been set to the top, do you want to replace the existing one?

    confirm
    cancel
{{ tag.text}}
 head portrait
{{ subitem.user.nick_name }} {{ EROLE_NAME[subitem.user.identity] }}
{{ subitem.create_time }} reply
delete

Are you sure to delete?

confirm
cancel
release
{{pageType==='video '?' The discussion area grabs the sofa, and you can get double credits': 'The discussion area is empty, please say two sentences~'}}
release
{{tips.text}}
{{ noteHeaderTitle }} note {{hasMyNote? 'My notes':' Take notes'}}
{{hasMyNote? 'My notes':' Take notes'}}
Quality Notes
Updated on: {{$dayjs. format ('YYYY-MM-DD HH: mm: ss', item.last_uptime*1000) }}
 head portrait
{{ detail.username }}

Public notes are visible to others and have the opportunity to be rated as "high-quality notes" by the administrator

{{ noteEditor.content.length }}/2000

Public Notes
preservation
put questions to

The lecturer will answer your questions as soon as possible. If you choose to ask questions in public, you can get more help from students.

Record time point
Record the time when the video is played when asking questions, so as to facilitate subsequent viewing
Open questions
Submit