Contents

• Background
• How to work
• Snapshots

Background

• OS : Windows11
• IDE : Visual Studio 2022 Community
• dependency : opencv
• Finding several parameters for pre-processing of an img when you want to get edge data of specifc area.
• Can be used with 2 different types of pre-processing in real-time.
  1. Canny-edge method
  2. Masking HLS color-space img

How to work

1. Canny-Edge Trackbar : Dragging either max or min threshold value on trackbar.
2. HLS Trackbar : Depend on your purpose, You can drag 6 parameters to mask each Color boundary.

Snapshots

1. Trackbar by Canny-edge algorithm method
2. Trackbar by masking specific HLS color element

Original Img
Canny-edge Img
HLS Color mask Img