Fast X-ray/CT image registration based on perspective projection triangular features

Yuanxi Sun, Huiqin Zhang, Xiaohong Chen, Shandeng Huang, Long Bai

Abstract: Highlights•Enhancing surgical navigation: X-ray/CT registration improves surgery success rates.•Challenges addressed: sparse and noisy X-ray features and multi-parameter complexity tackled.•Innovative F-PPTF method: fast registration based on perspective projection triangular features.•Superior accuracy and efficiency: improved performance over conventional methods.