A simulation method of laser pulse echo of jungle target based on KD tree acceleration
Through the jungle target laser pulse echo simulation method based on KD tree acceleration, the problem of low echo simulation efficiency of lidar in jungle environment is solved, and fast and accurate laser pulse echo simulation and data provision are achieved, which is suitable for a variety of analysis and lidar development.
Patent Information
- Application Number
- CN202111545608.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2021-12-16
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2041-12-16
AI Technical Summary
The prior art cannot effectively simulate the scattering effect of laser pulses emitted by lidar in complex jungle background environments, resulting in low echo time domain waveform efficiency and inaccurate results, especially the failure to consider multiple reflection effects.
The jungle target laser pulse echo simulation method based on KD tree acceleration is adopted, and the photon tracking process is accelerated by constructing tree physical models and laser scattering models, the photon tracking process is accelerated using the KD tree structure, the scattering events of photons and the trunk and the canopy are calculated, and the pulse echo of the lidar is combined with the importance sampling technology.
It realizes rapid simulation of laser pulse echoes for jungle targets, provides a large amount of input data at low cost, and is suitable for training a variety of analytical algorithms and the development of lidars, saving manpower and material resources.