N-O Cool-chic speeds encoding 1000x for neural image compression
New encoder network bypasses overfitting, slashing encoding time without sacrificing quality.
Deep Dive
N-O Cool-chic reduces encoding complexity by a factor of 1000 compared to Cool-chic by bypassing the overfitting procedure and adding an encoder network, while maintaining competitive performance.
Key Points
- N-O Cool-chic eliminates per-image overfitting, reducing encoding time by a factor of 1000.
- Decoder complexity stays at ~2000 multiplications per pixel, competitive with VVC.
- Uses a learned encoder network to produce compressed representations directly, enabling real-time encoding.
Why It Matters
Makes neural image compression practical for real-time applications by solving the slow encoding bottleneck.