Hierarchical Image Retrieval Method Based on Bag-of-Visual-Word and Eight-point Algorithm with Feature Clouds for Visual Indoor Positioning.
Tainhui ZhangShizeng GuoLin MaWeixiao MengPublished in: APCC (2022)
Keyphrases
- retrieval method
- image retrieval
- visual words
- visual vocabulary
- image features
- content based image
- bag of words
- visual phrases
- image classification
- visual features
- image representation
- image content
- object retrieval
- color histogram
- bag of visual words
- medical image retrieval
- visual content
- visual codebook
- keypoints
- bag of features
- spatial relations
- low level
- scene classification
- spatial information
- retrieval scheme
- image descriptors
- image database
- spatial relationships
- image data
- retrieval accuracy
- visual information
- image collections
- indoor positioning
- image matching
- image regions
- feature vectors
- low level features
- machine learning
- co occurrence
- action recognition
- graph cuts
- web images
- scale space
- video retrieval
- feature matching
- multiscale
- text classification
- feature extraction
- object categories