公开(公告)号：US12106024B2

公开(公告)日：2024-10-01

申请号：US18159922

申请日：2023-01-26

Applicant: Huazhong University of Science and Technology

Inventor： Tianxu Zhang ,  Yongjun Jia ,  Yuehuan Wang ,  Xiuchang Gu ,  Wenbing Deng ,  Kechao Wang ,  Xin Liu

IPC: G06F30/23 ,  G06T7/70 ,  G06T17/05 ,  G06V10/44

CPC classification number: G06F30/23 ,  G06T7/70 ,  G06T17/05 ,  G06V10/457 ,  G06T2207/10048

Abstract: Provided in the present invention are a geologically constrained infrared imaging detection method and system for an urban deeply-buried strip-like passage, pertaining to the crossing fields of geophysics and remote sensing technology. The method includes: establishing an urban hierarchical three-dimensional temperature field model according to urban street DEM data and geological data corresponding to urban streets; acquiring urban stratum geological background heat flux according to the urban hierarchical three-dimensional temperature field model; using a total solar radiation energy distribution model to calculate urban surface total solar radiation energy; sequentially filtering out the urban surface total solar radiation energy and the urban stratum geological background heat flux from an infrared remote sensing image of a region corresponding to a strip-like underground target, to acquire a perturbation signal image of an urban street deeply-buried strip-like passage; and using grayscale closed-operation plus an edge detection algorithm to perform detection and positioning after preprocessing the perturbation signal image of the urban street deeply-buried strip-like passage, to acquire location information of an urban strip-like underground passage. The present invention achieves inverse detection and positioning of an urban street deeply-buried strip-like passage.