Guidelines and quotas in Amazon Rekognition Custom Labels - Rekognition
Supported RegionsQuotas

Guidelines and quotas in Amazon Rekognition Custom Labels

The following sections provide guidelines and quotas when using Amazon Rekognition Custom Labels.

Supported Regions

For a list of AWS Regions where Amazon Rekognition Custom Labels is available, see AWS Regions and Endpoints in the Amazon Web Services General Reference.

Quotas

The following is a list of limits in Amazon Rekognition Custom Labels. For information about limits you can change, see AWS Service Limits. To change a limit, see Create Case.

Training

  • Supported file formats are PNG and JPEG image formats.

  • Maximum number of training datasets in a version of a model is 1.

  • Maximum dataset manifest file size is 1 GB.

  • Minimum number of unique labels per Objects, Scenes, and Concepts (classification) dataset is 2.

  • Minimum number of unique labels per Object Location (detection) dataset is 1.

  • Maximum number of unique labels per manifest is 250.

  • Minimum number of images per label is 1.

  • Maximum number of images per Object Location (detection) dataset is 250,000.

    The limit for Asia Pacific (Mumbai) and Europe (London) AWS Regions is 28,000 images.

  • Maximum number of images per Objects, Scenes, and Concepts (classification) dataset is 500,000. The default is 250,000. To request an increase, see Create Case.

    The limit for Asia Pacific (Mumbai) and Europe (London) AWS Regions is 28,000 images. You can't request a limit increase.

  • Maximum number of labels per image is 50.

  • Minimum number of bounding boxes in an image is 0.

  • Maximum number of bounding boxes in an image is 50.

  • Minimum image dimension of image file in an Amazon S3 bucket is 64 pixels x 64 pixels.

  • Maximum image dimension of image file in an Amazon S3 bucket is 4096 pixels x 4096 pixels.

  • Maximum file size for an image in an Amazon S3 bucket is 15 MB.

  • Maximum image aspect ratio is 20:1.

Testing

  • Maximum number of testing datasets in a version of a model is 1.

  • Maximum dataset manifest file size is 1 GB.

  • Minimum number of unique labels per Objects, Scenes, and Concepts (classification) dataset is 2.

  • Minimum number of unique labels per Object Location (detection) dataset is 1.

  • Maximum number of unique labels per dataset is 250.

  • Minimum number of images per label is 0.

  • Maximum number of images per label is 1000.

  • Maximum number of images per Object Location (detection) dataset is 250,000.

    The limit for Asia Pacific (Mumbai) and Europe (London) AWS Regions is 7,000 images.

  • Maximum number of images per Objects, Scenes, and Concepts (classification) dataset is 500,000. The default is 250,000. To request an increase, see Create Case.

    The limit for Asia Pacific (Mumbai) and Europe (London) AWS Regions is 7,000 images. You can't request a limit increase.

  • Minimum number of labels per image per manifest is 0.

  • Maximum number of labels per image per manifest is 50.

  • Minimum number of bounding boxes in an image per manifest is 0.

  • Maximum number of bounding boxes in an image per manifest is 50.

  • Minimum image dimension of an image file in an Amazon S3 bucket is 64 pixels x 64 pixels.

  • Maximum image dimension of an image file in an Amazon S3 bucket is 4096 pixels x 4096 pixels.

  • Maximum file size for an image in an Amazon S3 bucket is 15 MB.

  • Supported file formats are PNG and JPEG image formats.

  • Maximum image aspect ratio is 20:1.

Detection

  • Maximum size of images passed as raw bytes is 4 MB.

  • Maximum file size for an image in an Amazon S3 bucket is 15 MB.

  • Minimum image dimension of an input image file (stored in an Amazon S3 bucket or supplied as image bytes) is 64 pixels x 64 pixels.

  • Maximum image dimension of an input image file (stored in an Amazon S3 or supplied as image bytes) is 4096 pixels x 4096 pixels.

  • Supported file formats are PNG and JPEG image formats.

  • Maximum image aspect ratio is 20:1.

Model copying

  • The maximum number of project policies that you can attach to a project is 5.

  • The maximum number of concurrent copy jobs in a destination is 5.