🏃🏻‍♀️3. Drawing, Mouse and Control

Contents

3-1 : Line, Circle, Rectangle

  • Draw Line, Circle, Rectangle
  • 라인, 원, 사각형 그리기

OpenCV Lecture - 3. Drawing, mouse and control (1/6) : Line, Circle, Rectangle

💡 line, Point, circle, rectangle, ellipse, RotateRect, polylines, fillConvexPoly

3-2 : Ellipse

  • Draw Ellipse, rotateRect
  • 타원 그리기, rotateRect 이용하여 그리는 방법

OpenCV Lecture - 3. Drawing, mouse and control (2/6) : Ellipse

3-3 : PolyLine, fillconvexPoly

  • Draw PolyLine
  • PolyLine 그리기

OpenCV Lecture - 3. Drawing, mouse and control (3/6) : PolyLine, fillconvexPoly

3-4 : putText, drawContours, findContours

  • PutText, Draw outline using drawContours
  • Text 출력(그리기)하기
  • drawContours으로 외곽선 그리기

OpenCV Lecture - 3. Drawing, mouse and control (4/6) : putText, drawContours, findContours

💡 drawContours, findContours, Point, RotateRect, putText

3-5 : Mouse Event

  • Mouse event, assignment 3-1
  • 마우스 이벤트 실습, 과제 3-1번 !!

OpenCV Lecture - 3. Drawing, mouse and control (5/6) : Mouse Event

💡 CV_EVENT_LBUTTONDOWN, CV_EVENT_LBUTTONU, EVENT_RBUTTONDOWN, EVENT_MOUSEMOVE, setMouseCallback

3-6 : Trackbar control

  • Trackbar practice
  • 트랙바 컨트롤 실습

OpenCV Lecture - 3. Drawing, mouse and control (6/6) : Trackbar control

💡 createTrackbar, cvtColor, GaussianBlur, Canny

Trackbar Testing video

https://youtu.be/1FST3B4vlR8

https://youtu.be/BpWUJkNB4O4

Reference

Drawing example source code

Mouse event example

🙇🏻 Thank you!

🎁 Source code, Material(pdf) and example images 👇

https://www.marearts.com/products/opencv-lecture-materials-1

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