Fractional scaling of image and video in DCT domain.
Yunlong ZhaoMohan S. KankanhalliTat-Seng ChuaPublished in: ICIP (1) (2003)
Keyphrases
- dct domain
- image blocks
- digital video
- low pass filtering
- jpeg images
- image data
- image features
- input image
- multiscale
- image retrieval
- pixel domain
- jpeg compressed images
- image classification
- video data
- post processing
- image resizing
- video watermarking
- quantization step
- image representation
- test images
- spatial domain
- multimedia
- image segmentation
- watermark detection
- low frequency
- transform domain
- discrete cosine transform
- video transcoding
- dct coefficients
- reference frame
- key frames
- low level
- feature extraction
- compressed domain
- human visual system
- video frames
- digital images
- high resolution
- video sequences