On the Performance of Li's Unsupervised Image Classifier and the Optimal Cropping Position of Images for Forensic Investigations.
Ahmad Ryad SoobhanyRichard LearyK. P. LamPublished in: Int. J. Digit. Crime Forensics (2011)
Keyphrases
- input image
- image data
- image collections
- image features
- image content
- test images
- image retrieval
- image classification
- original images
- aspect ratio
- labeled images
- image regions
- image database
- image set
- region of interest
- image pixels
- image analysis
- edge detection
- sample images
- unlabeled images
- segmentation method
- pixel values
- lighting conditions
- tv camera
- image matching
- feature points
- precise localization
- image annotation
- semantic labels
- segmentation algorithm
- position and orientation
- relative position
- geometric distortions
- extracted features
- image editing
- gaussian noise
- camera positions
- multiscale
- visual features
- image representation
- digital imaging
- digital forensics
- lighting direction
- single image
- object detectors
- feature extraction
- secret image
- bounding box
- object categories
- geometric attacks
- training set
- image coordinates
- high resolution
- image segmentation
- jpeg compression
- object recognition
- image registration
- face images
- gray level
- web images
- jpeg images