Steps for recognizing hand written signs
That's what you would do with images, not so much with handwriting, which needs more preprocessing and robust features because people don't write exactly the same way twice. See for example:


Improving Offline Handwritten Text Recognition with Hybrid HMM/ANN Models
Adaptive Membership Functions for Handwritten Character Recognition by Voronoi-Based Image Zoning
A visual approach to sketched symbol recognition
Feature extraction and classifier combination for image-based sketch recognition
Sketched symbol recognition with auto-completion
HBF49 feature set: A first unified baseline for online symbol recognition
Neural network-based symbol recognition using a few labeled samples