Edge-Preserving Cross-Sharpening of Multi-Modal Images

摘要

We present a simple technique for enhancing multi-modal images. The unsharp masking (UM) is at first nonlinearized to prevent ha-los around large edges. This edge-preserving UM is then extended to cross-sharpening of multi-modal images where a component image is sharpened with the aid of more clear edges in another component image.