High-resolution image reconstruction of low-resolution DCT-based compressed images.
Sung Cheol ParkMoon Gi KangC. Andrew SegallAggelos K. KatsaggelosPublished in: ICASSP (2002)
Keyphrases
- compressed images
- low resolution
- image compression
- discrete cosine transform
- high resolution
- super resolution
- dct domain
- low resolution images
- reconstructed image
- high resolution images
- dct coefficients
- compression ratio
- high quality
- subband
- wavelet transform
- compression algorithm
- image super resolution
- image processing
- visual quality
- transform domain
- filter bank
- face images
- compressed domain
- frequency domain
- low frequency
- spatial domain
- test images
- post processing
- feature vectors