Spherical Soft Assignment: Improving Image Representation in Content-Based Image Retrieval.
Liefu AiJunqing YuTao GuanPublished in: PCM (2012)
Keyphrases
- image representation
- bag of visual words
- soft assignment
- visual words
- bag of words
- image classification
- multiscale
- spatial pyramid
- visual vocabulary
- image retrieval
- object recognition
- image features
- image content
- scene classification
- object retrieval
- visual content
- scene recognition
- action recognition
- feature space
- sparse coding
- sparse representation
- object categories
- text retrieval
- multimedia content
- low level features
- discriminative power
- image descriptors
- natural images
- sift descriptors
- machine learning
- visual features
- text classification
- keypoints
- feature extraction
- computer vision