Fast pixel-size-based large-scale enlargement and reduction of image: adaptive combination of bilinear interpolation and discrete cosine transform.
Shu-Mei GuoChih-Yuan HsuGuo-Ching ShihChia-Wei ChenPublished in: J. Electronic Imaging (2011)
Keyphrases
- bilinear interpolation
- discrete cosine transform
- image blocks
- input image
- linear interpolation
- jpeg images
- interpolation algorithm
- pixel values
- color difference
- multiscale
- pixel level
- image compression
- image segmentation
- test images
- dct coefficients
- interpolation methods
- image data
- transform domain
- color features
- spatial correlation
- image features
- segmentation method
- binary images
- post processing