# AI

## MNIST

### general digital symbol recognition

28 \* 28 pixels

### handwritten yes or no symbol recognition

#### handwritten signature collector

1. create 28  _28 boxes on your screen_ 
2. _use 0 as a value to initialize a matrix which has a shape of \(28,28\)_ 
3. _when you detected a touchpoint that goes into one of the 28\*_28 boxes, you mark it as 1 
4. save that your matrix



