DCT Sign-Based Similarity Measure for JPEG Image Retrieval.
Fitri ArniaIkue IizukaMasaaki FujiyoshiHitoshi KiyaPublished in: IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (2007)
Keyphrases
- similarity measure
- image retrieval
- discrete cosine transform
- dct coefficients
- image compression
- dct domain
- jpeg images
- coded images
- low bit rate
- compression standards
- karhunen loeve transform
- compressed domain
- discrete cosine transformation
- feature vectors
- compressed images
- adaptive quantization
- image database
- quantization table
- transform domain
- spatial domain
- relevance feedback
- mutual information
- image resizing
- jpeg compression
- distance measure
- compression algorithm
- image similarity
- image representation
- post processing
- image quality
- run length coding
- similarity search
- image coding
- blocking artifacts
- compression ratio
- video codec
- jpeg compressed images
- similarity measurement
- wavelet coding
- image content
- compression scheme
- image matching
- lossless compression
- visual features
- image coder
- coding method
- subband
- error concealment
- huffman coding
- shape coding
- watermarking algorithm
- filter bank
- rate distortion
- frequency domain