Launched at AWS re:Invent 2018, Amazon Sagemaker Ground Truth is a capability of Amazon SageMaker that makes it easy to annotate machine learning datasets. Customers can efficiently and accurately label image and text data with built-in workflows, or any other type of data with custom workflows. Data samples are automatically distributed to a workforce (private, 3rd party or MTurk), and annotations are stored in Amazon Simple Storage Service (S3). Optionally, automated data labeling may also be enabled, reducing both the amount of time required to label the dataset, and the associated costs.

About a year ago, I met with Automotive customers who expressed interest in labeling 3-dimensional (3D) datasets for autonomous driving. Captured by LIDAR sensors, these datasets are particularly large and complex. Data is stored in frames that typically contain 50,000 to 5 million points, and can weigh up to hundreds of Megabytes each. Frames are either stored individually, or in sequences that make it easier to track moving objects.

As you can imagine, labeling these datasets is extremely time-consuming, as workers need to navigate complex 3D scenes and annotate many different object classes. This often requires building and managing very complex tools. Always looking to help customers build simpler and more efficient workflows, the Ground Truth team gathered more feedback, and got to work.

Today, I’m extremely happy to announce that you can use Amazon Sagemaker Ground Truth to label 3D point clouds using a built-in editor, and state-of-the-art assistive labeling features.

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