New bag of deep visual words based features to classify chest x-ray images for COVID-19 diagnosis.
Chiranjibi SitaulaSunil AryalPublished in: Health Inf. Sci. Syst. (2021)
Keyphrases
- x ray images
- visual words
- bag of words
- x ray
- medical images
- image features
- image classification
- bag of features
- co occurrence
- chest radiographs
- vocabulary tree
- feature space
- bag of visual words
- object retrieval
- sift descriptors
- keypoints
- spatial relationships
- scene classification
- spatial information
- text classification
- bag of words models
- feature extraction
- lung nodules
- image representation
- single view
- visual phrases
- feature vectors
- dual energy
- machine learning
- visual codebook
- maximum likelihood
- probabilistic model
- image retrieval
- pairwise
- computer vision