Multi-Pass Imaging Positioning for Suspicious-Item Localization
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Solution Overview
Problem
Existing security inspection technologies face challenges in accurately locating suspicious items detected in a previous inspection during subsequent inspections, leading to reduced efficiency.
Innovation Solution
An imaging positioning method involving multiple inspections using a first and second inspection system, with a conveying system to accurately position suspicious items on a second imaging beam plane for precise inspection, utilizing a predetermined distance and current coordinate information to enhance accuracy and efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a single-pass inspection scheme is adopted, then the inspection process is simple and fast, but the accuracy of locating suspicious items deteriorates
Solution Approach 1:
The inspection process is divided into multiple passes: a first inspection to identify suspicious items and a second inspection to precisely locate them. The system segments the inspection task into identification phase and localization phase, allowing each phase to be optimized independently for both speed and accuracy
Solution Approach 2:
The first inspection serves as a preliminary action that identifies suspicious items before the second inspection. By pre-identifying potential threats in the first pass, the system prepares targeted localization in the second pass, improving overall locating accuracy without sacrificing the speed advantage of automated inspection
2Measurement precision
If manual inspection is performed for suspicious items, then the accuracy of identification improves, but the inspection efficiency deteriorates
Solution Approach 1:
The system creates a virtual model of the three-dimensional object from the first inspection data, allowing precise localization of suspicious items in computer space. This virtual copying eliminates the need for physical manual inspection while maintaining high identification accuracy through automated image processing and coordinate transformation algorithms
Solution Approach 2:
The manual mechanical inspection process is replaced by an automated computer-based system that performs coordinate transformations and image correlations. The system substitutes human operators with algorithms that automatically calculate target positions and guide the second inspection, maintaining accuracy while dramatically improving efficiency
3Measurement precision
If multiple inspections are performed on the same object, then the accuracy of suspicious item localization improves, but the inspection time deteriorates
Solution Approach 1:
The system dynamically adjusts the inspection process based on findings from the first inspection. Rather than performing fixed, exhaustive multiple inspections, the system adapts the second inspection to focus only on identified suspicious areas, reducing unnecessary inspection time while maintaining high localization accuracy for critical items
Solution Approach 2:
The second inspection applies partial action by focusing computational and inspection resources only on the specific suspicious items identified in the first inspection. Rather than re-inspecting the entire object, the system performs targeted localization on suspected areas, reducing overall inspection time while achieving sufficient accuracy for security purposes
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Improves the accuracy and efficiency of security inspections by precisely positioning suspicious items for further inspection, reducing the need for manual checks and enhancing overall inspection efficiency.
Implementation Method 1
X-rays are used to inspect luggage objects
Data Source
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AI summary
The present disclosure provides an imaging positioning method and an imaging inspection system, which may be applied to a field of security inspection technology. The method includes: performing a first inspection on an object by a first inspection system to generate a first inspection information; determining at least one suspect position of the object according to the first inspection information; conveying the object to a second inspection system by a conveying system, where the second inspection system is configured to generate a first imaging beam plane and a second imaging beam plane; locating the object on the first imaging beam plane, and performing a second inspection on the object to generate a second inspection information; determining at least one target position of the object according to the first inspection information and the second inspection information, where the target position is associated with the suspect position; and controlling the conveying system to move the object from the first imaging beam plane to the second imaging beam plane according to a predetermined distance between the first imaging beam plane and the second imaging beam plane and a current coordinate information of the at least one target position, so that the at least one target position of the object is located on the second imaging beam plane, so as to perform a third inspection on the object.