Table 1 Proposed interline prediction modes
From: An energy-efficient low-memory image compression system for multimedia IoT products
Mode | Prediction eq. (1L mode 1 × 8 block, 2L mode 2 × 8 block) | Color channel |
|---|---|---|
Vertical | Px, y = Px, y + 1 = Rx, y − 1 | Luma, chroma |
Left | Px, y + m = (Rx − 2 − m, y − 1 + Rx − 1 − m,  y − 1) ≫ 1,    m = 0 or 1 | Luma |
DC | \( {P}_{x,y}={P}_{x,y+1}=\left(\sum \limits_{i\in {B}_x}{R}_{i,y-1}\right)\gg 3,\kern6em {B}_x=\left\{\mathrm{all}\ x\ \mathrm{of}\ R\right\} \) | Luma, chroma |
Right | Px, y + m = (Rx + 1 + m, y − 1 + Rx + 2 + m,  y − 1) ≫ 1,   m = 0 or 1 | Luma |