Grading Image Retrieval Based on DCT and DWT Compressed Domains Using Low-Level Features.
Cheng-You WangXinyue ZhangRongyang ShanXiao ZhouPublished in: J. Commun. (2015)
Keyphrases
- image retrieval
- discrete cosine transform
- discrete wavelet transform
- image database
- data compression
- image compression
- visual features
- data structure
- compressed domain
- real world
- block dct
- relevance feedback
- low bit rate
- transform domain
- low frequency
- spatial domain
- multiresolution
- blocking artifacts
- digital watermarking
- retrieval precision
- image collections
- image content
- wavelet coefficients
- wavelet transform
- multiscale