Mastering OpenCV 4 with Python

Image-processing steps

Image processing includes the following three steps:

1. Get the image to work with. This process usually involves some functions so that you can read the image from different sources (camera, video stream, disk, online resources).
2. Process the image by applying image-processing techniques to achieve the required functionality (for example, detecting a cat in an image).
3. Show the result of the processing step (for example, drawing a bounding box in the image and then saving it to disk).

Furthermore, step two can be broken down into three processing levels:

• Low-level process
• Mid-level process
• High-level process

The low-level process usually takes an image as the input and then outputs another image. Example procedures ...