Robust Perceptual Image Hashing Based on Ring Partition and NMF.

Zhenjun Tang Xianquan Zhang Shichao Zhang

Published in: IEEE Trans. Knowl. Data Eng. (2014)

Keyphrases

image noise
image data
image features
partial occlusion
image classification
input image
image segmentation
image analysis
single image
image representation
multiscale
image retrieval
empirically derived
high resolution
segmentation algorithm
perceptual quality
edge detection
low level
negative matrix factorization
image content
image matching
image collections
natural images
pixel values
feature descriptors
human perception
human visual system
perceptual grouping
geometric distortions
computer vision