concepts.md

Succinct cheatsheet of computer vision concepts and building blocks

Colour Spaces

BGR:

Standard colour image. Same as RGB image.

When not use:

When not to use:

In most cases you should not perform image processing with BGR/RGB images.

HSV:

Hue, Saturation and value. Hue = dominant color; the names that we give to colors (such as green, yellow, blue, and red) correspond to the different hue values. Saturation = how vivid the color is; pastel colors have low saturation, colors of the rainbow = highly saturated. Brightness/Value = luminosity of a color.

When not use:

When not to use:

LAB:

When not use:

When not to use:

---

Channel

Short-Description:

Colour images are composed of 3 channels. Each of these channels correspond to the intensity value of one of the three primary colors.

Practical application example:

A BGR image is said to have 3 channels: a blue channel, a green channel and a red channel. A gray-scale image has 1 channel.

When to use:

When not to use:

Related CV topics:

---

Histogram

Short-Description: Describe

Practical application example:

When to use:

When not to use:

Related CV topics:

---