A step-by-step walk through for each of these is provided on the [CNTK wiki](https://github.com/Microsoft/CNTK/wiki/Tutorials).
* Hello World - Logistic Regression ([Details](https://github.com/Microsoft/CNTK/wiki/Tutorial))
* Image Hands On ([Details](https://github.com/Microsoft/CNTK/wiki/Hands-On-Labs-Image-Recognition))
* SLU (Language Understanding) Hands On ([Details](https://github.com/Microsoft/CNTK/wiki/Hands-On-Labs-Language-Understanding))
* Object detection using Fast R-CNN ([Code](https://github.com/Microsoft/CNTK/tree/master/Examples/Image/Detection/FastRCNN), [Details](https://github.com/Microsoft/CNTK/wiki/Object-Detection-using-Fast-R-CNN))