Efficient outsourced extraction of histogram features over encrypted images in cloud.
Yanli RenXinpeng ZhangDawu GuGuorui FengPublished in: Sci. China Inf. Sci. (2021)
Keyphrases
- image features
- histogram analysis
- primitive features
- original images
- image data
- binary patterns
- salient features
- color histogram
- filtered images
- test images
- image classification
- spatial relationships
- input image
- pixel intensities
- color features
- image database
- feature matching
- gabor filters
- extracting features
- orientation histogram
- three dimensional
- image analysis
- image retrieval
- gray level co occurrence matrix
- image descriptors
- feature set
- spatial information
- sample images
- image content
- enhanced image
- feature extraction
- image registration
- feature points
- extracted features
- pixel wise
- histogram of oriented gradients
- object recognition
- image texture
- image regions
- automatically extracted
- edge detection
- co occurrence
- geometric constraints
- keypoints
- color space
- segmentation method
- statistical moments
- feature selection
- image matching
- dominant color
- texture features
- color and texture features
- similarity measure
- image set
- image collections
- cloud computing
- feature vectors
- shape context
- feature descriptors
- grey level