simple AI web application


Image Annotation refers to the process of annotating images from a dataset with labels to train a machine learning model. Image annotation is a way to transfer human high-level knowledge of the image content to the model. Different models require different labeling. There are three common annotation types in machine vision applications: 1. Classification, 2. Object detection and 3. Image segmentation. saiwa provides three annotation services to support these three annotation types: classification annotation, bounding box annotation and boundary annotation.

For classification applications, the entire image is classified by one or multiple pre-defined classes. In segmentation, on the other hand, the object(s) of interest is (are) defined by a closed boundary around them. Each image may contain one or more objects. Two types of labels in segmentation are of most interest: 1) bounding box and 2) boundary annotation (i.e. polygonal mask). For more details about these annotation types, please refer to saiwa annotation white paper. Using a handy simple user interface, saiwa makes the process of drawing all these types of annotations easy and fast. After making all labels, there are multiple formats (txt and json) for export that fits requirements of different machine learning schemes.

saiwa image annotation service provides the following features:


  • Support the three common types of annotations
  • Interactive interface with minimal necessary clicks for complex boundaries
  • Export in common annotation formats (i.e. txt and json)
  • Multiple, overlapping and fine granularity labels
  • Exporting and archiving the results in user cloud space or locally
  • Service customization by saiwa© team using “Request for customization” option
  • Preview and download the annotated imagesImage annotation is a mandatory step in supervised learning that has numerous applications in all machine learning and deep learning solutions.


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