DHAN: Encrypted JPEG image retrieval via DCT histograms-based attention networks.
Qihua FengPeiya LiZhixun LuZhibo ZhouYongdong WuJian WengFeiran HuangPublished in: Appl. Soft Comput. (2023)
Keyphrases
- image retrieval
- discrete cosine transform
- image compression
- dct coefficients
- dct domain
- jpeg images
- compressed domain
- karhunen loeve transform
- coded images
- low bit rate
- relevance feedback
- image database
- compressed images
- discrete cosine transformation
- compression algorithm
- compression standards
- run length coding
- image content
- visual features
- color histogram
- transform domain
- social networks
- coding method
- image representation
- jpeg compression
- spatial domain
- image resizing
- adaptive quantization
- quantization table
- network structure
- wavelet transform
- image quality
- video analysis
- compression scheme