Image Processing
The above image shows the formula for the process of imaage processing. Its purpose is to improve or transform an image by processing it.
Computer Vision
The above image represents computer vision. It is used for extracting the meaning and understanding the image.
Frequency-Domain Understanding
Visualizing the Frequency Domain of a 2D Image explains how a 2-D FFT represents image structure through spatial frequency, magnitude, phase, distance, and direction.