Sub-images based image hashing with non-negative factorization.
Supakorn PrungsinchaiFouad KhelifiAhmed BouridanePublished in: ICECS (2012)
Keyphrases
- input image
- image data
- image collections
- test images
- image features
- image retrieval
- original images
- image classification
- image regions
- pixel values
- image analysis
- segmentation method
- high contrast
- image noise
- image pixels
- image set
- grey level
- synthesized images
- edge detection
- intensity values
- image dataset
- pixel intensities
- segmentation algorithm
- feature points
- gray value
- image blocks
- digital imaging
- gray level images
- region of interest
- reference images
- image processing algorithms
- gray level
- web images
- vanishing points
- image content
- image matching
- ccd camera
- sample images
- normalized correlation
- segmented images
- image structure
- aerial images
- similarity measure
- geometric constraints
- illumination conditions
- satellite images
- image registration
- image database
- lighting conditions
- contrast enhancement
- single image
- keypoints
- imaging process
- object recognition
- image quality
- image annotation
- multiple images
- pixel level
- image representation
- spatial information
- image segmentation
- false matches
- face images
- bounding box
- image sequences