Locating Edges and Removing Ringing Artifacts in JPEG Images by Frequency-Domain Analysis.
Irina PopoviciWilliam Douglas WithersPublished in: IEEE Trans. Image Process. (2007)
Keyphrases
- ringing artifacts
- jpeg images
- discrete cosine transform
- compressed images
- compression algorithm
- image deblurring
- spatial domain
- data hiding
- dct coefficients
- frequency domain
- jpeg compression
- lossy compression
- compressed domain
- wireless channels
- high frequency
- image compression
- computational complexity
- blurred images
- reconstructed image
- sharp edges
- denoising