Wearable Blind Spot Visualization for X-Ray Angio Collision Avoidance
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Solution Overview
Problem
Operators in X-ray Angio systems face challenges in avoiding collisions between movable X-ray devices and fixed structures due to blind spots, requiring increased attention and manual effort, as existing systems rely on sensors for collision avoidance rather than providing real-time visual feedback of potential collision areas.
Innovation Solution
An image displaying system that includes a wearable device with sensors and display units, generating and displaying parallax images of a three-dimensional model to highlight blind spots, allowing operators to visualize potential collision areas and improve operational awareness without the need for additional optical imaging.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If operators manually monitor positions to avoid collisions, then collision avoidance capability is improved, but operational burden and attention requirement increase
Solution Approach 1:
The system provides real-time visual feedback by displaying blind spot areas and potential collision risks to the operator through a wearable display device. The blind spot map shows detected objects in areas not visible to the operator, and risk information is presented based on distance and relative position, enabling informed decision-making without requiring constant manual monitoring.
Solution Approach 2:
A sensor system acts as an intermediary between the movable device and the operator. Sensors detect objects in blind spots and transmit this information to the display device, which presents processed risk assessments to the operator. This intermediary system handles the complex monitoring task, freeing the operator from direct manual monitoring while maintaining safety.
2Ease of operation
If sensors are used for collision avoidance, then operational burden is reduced, but real-time visual awareness of blind spots is lost
Solution Approach 1:
The system addresses information loss by providing visual feedback through the display device. The blind spot map visually represents detected objects in blind spot areas, and risk information is displayed based on distance and position data from sensors. This feedback loop restores visual awareness of blind spots without requiring the operator to manually monitor those areas.
Solution Approach 2:
The system creates a visual copy or representation of the blind spot environment through the displayed blind spot map. Instead of directly viewing blind spots, the operator sees a processed visual representation showing detected objects, their positions, and risk levels. This copy provides sufficient information for safe operation without requiring direct visual access to blind spot areas.
3Loss of information
If optical imaging is used to visualize blind spots, then real-time visual feedback is improved, but system complexity and cost increase
Solution Approach 1:
The system uses sensor data to create a digital representation or copy of the blind spot environment rather than implementing complex optical imaging. The blind spot map is generated from sensor detections and processed information, providing visual feedback through software processing rather than additional optical hardware. This approach achieves visual feedback with reduced system complexity.
Solution Approach 2:
The system replaces potential mechanical or optical imaging solutions with sensor-based detection and software processing. Instead of using additional cameras or optical devices to visually capture blind spot areas, the system uses sensors to detect objects and processes this data into a visual representation displayed to the operator. This substitution reduces hardware complexity while maintaining visual feedback capability.
Data Source
AI summary
An image displaying system according to an embodiment includes an observation target device, a display device and processing circuitry. The display device is configured to display an image. The processing circuitry is configured to: arrange a three-dimensional model relating to the observation target device in a virtual space; acquire data indicating a relative positional relationship between an operator and the observation target device; generate an image of a three-dimensional model included in a blind area when viewed from the operator, based on the data indicating the relative positional relationship and on the three-dimensional model arranged in the virtual space; and display the image on the display device.