Binary Patent Image Retrieval Using the Hierarchical Oriented Gradient Histogram.
Hui NiZhenhua GuoBiqing HuangPublished in: ICSS (2015)
Keyphrases
- image retrieval
- color histogram
- image database
- intellectual property
- binary tree
- orientation histogram
- retrieval method
- information retrieval
- retrieval accuracy
- relevance feedback
- text retrieval
- selectivity estimation
- image search
- hierarchical structure
- image content
- prior art
- visual features
- gradient magnitude
- edge detection
- color and texture features
- patent search
- image annotation
- early vision
- hamming distance
- image collections
- image matching
- gray level
- image representation
- information retrieval systems
- multiscale
- high level
- image processing