Downloads

Once you have registered, returned the signed end-user agreement and have received a username and password, click here to open a new window showing the various downloads that are available. Note that at present we only offer the training data, while the testing data will be released mid-May. Each of the zipfiles with training data contains 15 thousand files and each of the zipfiles with testing data contains 10 thousand files. For more information about the dataset, including the textual features, visual features, concept features and regions, please click here.

Training data

• train_images.zip
  This file contains the training images.
• train_metadata.zip
  This file contains the metadata (tags, exif, licenses) of the training images.
• train_annotations.zip
  This file contains the concept annotations of the training images.
• train_regions.zip
  This file contains the locations ('regions') of the interest points detected in the training images.
• train_features_surf.zip
  This file contains the SURF features of the training images
• train_features_topsurf.zip
  This file contains the TOP-SURF features of the training images
• train_features_sift.zip
  This file contains the SIFT features of the training images
• train_features_csift.zip
  This file contains the C-SIFT features of the training images
• train_features_rgbsift.zip
  This file contains the RGB-SIFT features of the training images
• train_features_opponentsift.zip
  This file contains the OPPONENT-SIFT features of the training images
• train_features_gist.zip
  This file contains the GIST features of the training images

Testing data

• test_images.zip
  This file contains the testing images.
• test_metadata.zip
  This file contains the metadata (tags, exif, licenses) of the testing images.
• test_annotations.zip
  This file contains the concept annotations of the testing images.
• test_regions.zip
  This file contains the locations ('regions') of the interest points detected in the testing images.
• test_features_surf.zip
  This file contains the SURF features of the testing images
• test_features_topsurf.zip
  This file contains the TOP-SURF features of the testing images
• test_features_sift.zip
  This file contains the SIFT features of the testing images
• test_features_csift.zip
  This file contains the C-SIFT features of the testing images
• test_features_rgbsift.zip
  This file contains the RGB-SIFT features of the testing images
• test_features_opponentsift.zip
  This file contains the OPPONENT-SIFT features of the testing images
• test_features_gist.zip
  This file contains the GIST features of the testing images

Retrieval data

• queries.xml
  This file contains the queries for the concept retrieval subtask.
• retrieval_images.zip
  This file contains the 200,000 images to use for the concept retrieval subtask.
• retrieval_metadata.zip
  This file contains the metadata (tags, exif, licenses) of the retrieval images.
• retrieval_judgments.zip
  This file contains the query relevance judgments of the pooled images.