Exploiting JPEG Compression for Image Retrieval.
David EdmundsonGerald SchaeferPublished in: ISM (2012)
Keyphrases
- jpeg compression
- image retrieval
- digital images
- watermarking algorithm
- image watermarking
- discrete wavelet transform
- image database
- image authentication
- watermarking scheme
- quantization step
- gaussian noise
- dct coefficients
- peak signal to noise ratio
- additive noise
- visual words
- image representation
- post processing
- maximum likelihood
- signal processing
- multiresolution
- feature space
- computational complexity