object-detection-examples



README.md

Object detection is the task of locating and identifying objects within images. Here we start you off with a basic example:

  • People, Bikes, and Cars: Trains a model to detect and classify objects in images of people, bikes, and cars.
  • Coffee, Pens, and Computers: Trains a model to detect and classify objects in images of coffee mugs, pens and computer monitors.
  • Couches, Chairs, Tables and Beds: Trains a model to detect and classify objects in images of couches, chairs, tables and beds.
  • Azure Notebooks: While Notebooks are in mode (beta), some features might be buggy or not available. If you are having trouble with dependencies in your JLab environment. Try waiting a few minutes, restarting the Python 3.6 kernel, and trying again.
  • Training Data: In order for an object detection model to identify a particular object, it must have seen other objects with the same label. To build an object detection model that identifies what you want, you would need to retrain the model, using bounded and labeled images of the type you want.
  • Model Runtime: The out-of-the box model takes a long time to train on CPU. At this moment, Azure doesn't support GPU training on notebook instances. So if you need that, please check out some of these Google Colab examples.
  • Model Size: Try converting the CoreML model's weights to half-precision if you are worried about the size of the resulting model. This doesn't mean you sacrifice half of your accuracy, it simply means it uses less floating points in the weights of the model. To read more about this, check out Apple's article on this topic.

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Also check out Turi Create's documentation on object detection basics.

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