Drawing Shapes on an Image with a Mouse
Explore how to manually draw shapes on images using mouse interactions in OpenCV with C++. Understand how mouse events trigger drawing functions and how to clear drawings, enabling personalized image editing beyond automatic techniques.
We'll cover the following...
We'll cover the following...
In Photoshop, we crop an image by drawing a shape on it. We can’t always rely on drawing shapes automatically using code. We may want to work on the image manually to add the personal touch. In those cases, we can use our mouse to draw shapes. OpenCV provides us the feature to detect various mouse operations, such as left-click and ...