| Popis: |
We compare using traditional separable filter banks with a simple non-separable filter bank with orientation selectivity, for image compression. The image is decomposed into 19 subbands (6-level) using a separable octave-band decomposition. The high-frequency subband at each decomposition level is split into two bands with an orientation selective filter bank. The image data is then coded using stack-run coding. Results based on subjective testing showed an improvement in the oriented data of the reconstructed images. |
