Building high-altitude parabolic point blind quantitative evidence obtaining method and system

Abstract

The invention provides a building high-altitude parabolic point blind-vision quantitative evidence obtaining method and a building high-altitude parabolic point blind-vision quantitative evidence obtaining system. A first camera and a second camera are arranged at the right corner and the left corner of the top of a building respectively to shoot parabolic videos, and the positions of parabolic points are determined in the modes of video frame-by-frame point tracing superposition, parabolic point imaging included angle calibration, wall-attached imaging surface parabolic point calculation andactual parabolic point calculation. According to the blind quantitative evidence obtaining method and system for the high-altitude parabolic point of the building, the first camera and the second camera are deployed at the crossed visual angle, the imaging range is adjusted to be close to the floor, it is ensured that the private space of all owners is shielded in an imaging blind area, and therefore various disputes and litigation caused by privacy leakage are avoided; according to the invention, through frame-by-frame point-tracing superposition, calibration and analysis processing of the parabolic video, the parabolic trajectory is reconstructed, the position of the parabolic point can be accurately obtained, and evidence obtaining quantification is achieved.

Description

technical field [0001] The invention relates to the field of video monitoring, in particular to a method and system for quantitative evidence collection of high-altitude parabolic spots in buildings. Background technique [0002] It is difficult to confirm the person responsible for throwing objects from high altitudes in residential buildings, especially those who are injured by falling objects and cause death or disability. For this reason, the "Tort Liability Law of the People's Republic of China" clearly stipulates the responsibility for throwing objects at high altitudes. If the source of the objects cannot be confirmed, the whole Residents of the building may become defendants and share the responsibility. Obviously, this is unfair to innocent owners. In order to clearly identify the perpetrators, some communities have begun to deploy high-altitude parabolic monitoring systems to solve this problem. [0003] The existing building high-altitude parabolic monitoring sys...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the technical problems that the existing building high-altitude parabolic monitoring system violates the privacy of the owner and the high-altitude parabolic points of the building are difficult to quantify and obtain evidence, the present invention proposes a method and system for blind quantitative evidence collection of high-altitude parabolic points in buildings. The first camera and the second camera adjust the imaging range close to the floor to ensure that the privacy space of all owners is shielded from the blind area of ​​imaging, and introduce parabolic trajectory reconstruction technology to achieve forensics and quantification

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