Boosted Learning of Visual Word Weighting Factors for Bag-of-Features Based Medical Image Retrieval.
Jingyan WangYongping LiYing ZhangHonglan XieChao WangPublished in: ICIG (2011)
Keyphrases
- visual words
- bag of features
- medical image retrieval
- bag of words
- image classification
- weighting factors
- co occurrence
- bag of visual words
- keypoints
- image representation
- visual vocabulary
- object categories
- action recognition
- spatial information
- scene classification
- image retrieval
- image features
- object recognition
- image processing
- object detection
- feature space
- gaussian mixture model
- similarity measure
- distance metric learning
- image collections
- information extraction
- text mining
- visual features
- unsupervised learning
- em algorithm
- text classification