An Improved Feature Vector for Content-based Image Retrieval in DCT Domain.
Cong BaiKidiyo KpalmaJoseph RonsinPublished in: VISAPP (1) (2013)
Keyphrases
- dct domain
- feature vectors
- dct coefficients
- spatial domain
- post processing
- compressed domain
- digital video
- compressed images
- human visual system
- transform domain
- image features
- feature set
- discrete cosine transform
- low pass filtering
- quantization step
- image resizing
- video transcoding
- jpeg compression
- image processing
- low frequency
- multimedia
- high frequency
- face images
- preprocessing
- key frames
- image blocks
- digital images
- low level
- optical flow