KwickClips Artificial Intelligence · 40 sec · free
Why do pixel values stop at 255?
Short answer. Eight bits give 256 values, 0 to 255.
What makes yellow?
Red plus green.
Pixel values
| Type | Values |
|---|---|
| Greyscale | 0 to 255 |
| RGB | 3 values |
| Yellow | 255, 255, 0 |
Remember
| 0 black, 255 white |
| Colour: red, green, blue |
Why do pixel values stop there? Eight bits give two fifty six values. Greyscale runs zero to two fifty five. RGB uses three values. Red plus green makes yellow. Zero is black, two fifty five white. Colour uses three.
This clip is from the full lesson: Images as Data: Pixels, Resolution, Features and Convolution — 7 minutes, with the tables, the quick answers and the whole lesson in text.
Useful for: CBSE Class 10 Artificial Intelligence (417), CBSE Class 10 Artificial Intelligence (417), CBSE Class 10 Artificial Intelligence (417)
More KwickClips from this lesson
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