X-ray Image Processing Apparatus with Adaptive Pulse Control
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Solution Overview
Problem
X-ray imaging apparatuses face challenges in minimizing radiation exposure and adjusting frame rates to accurately capture moving objects in real-time, leading to inefficient information gathering and potential image blurring.
Innovation Solution
An X-ray image processing apparatus that actively adjusts X-ray dose based on object movement using a controller that modulates X-ray pulse amplitude and width, aided by artificial intelligence algorithms like CNN or RNN to detect movement and calculate optimal frame rates, thereby optimizing image capture and reducing radiation exposure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Speed
If continuous X-ray irradiation is used to capture real-time images, then image capture speed is improved, but radiation exposure to the human body increases
Solution Approach 1:
The patent applies periodic action by switching from continuous X-ray irradiation to pulse-based periodic irradiation. The X-ray source emits radiation in discrete pulses rather than continuously, with the pulse frequency dynamically adjusted based on object movement detection. This allows the system to capture necessary images at appropriate intervals while minimizing unnecessary radiation exposure during periods when object movement is minimal or absent.
Solution Approach 2:
The patent implements dynamics by making the X-ray pulse frequency adaptive rather than fixed. The system continuously monitors object movement and dynamically adjusts the pulse frequency accordingly - increasing frequency when movement is detected and decreasing it when the object is stationary. This dynamic adjustment optimizes the balance between capturing real-time images and minimizing radiation exposure.
2Device complexity
If manual control of frame rate is used, then device complexity is reduced, but ability to respond to real-time object movement deteriorates
Solution Approach 1:
The patent applies feedback by implementing a closed-loop control system that detects object movement and uses this information to adjust X-ray pulse frequency. The system continuously monitors the object's position, compares it with previous positions to detect movement, and feeds this information back to the X-ray control mechanism to adaptively adjust the pulse rate. This automatic feedback mechanism eliminates the need for complex manual control while significantly improving responsiveness to real-time object movement.
3Object-affected harmful factors
If low frame rate is used to reduce radiation, then radiation exposure is minimized, but image quality and movement detection accuracy deteriorate
Solution Approach 1:
The patent implements dynamics by making the frame rate adaptive rather than fixed. The system dynamically adjusts the X-ray pulse frequency based on detected object movement - increasing the rate when movement is detected to maintain image quality and movement detection accuracy, and decreasing it when the object is stationary to minimize radiation exposure. This dynamic adjustment resolves the contradiction between radiation reduction and measurement precision.
Solution Approach 2:
The patent applies feedback by using movement detection results to control X-ray pulse frequency. The system continuously monitors image data for object movement, and when movement is detected, it increases the pulse frequency to capture the movement accurately. This feedback mechanism ensures that image quality and movement detection precision are maintained only when necessary, allowing radiation exposure to be minimized during stationary periods.
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
This solution allows for accurate and efficient capture of object information while minimizing radiation exposure by dynamically adjusting X-ray dose and frame rates, preventing unnecessary radiation and image blurring, and maintaining image quality.
Implementation Method 1
an X-ray detector detecting an X-ray attenuated after the irradiated X-ray is irradiated to the object
Data Source
AI summary
Disclosed is an X-ray image processing apparatus including a data obtaining unit generating first to N-th images indicating an internal structure of an object and an image processing unit receiving the first to N-th images from the data obtaining unit, detecting a movement of the object, and generating a final image from the first to N-th images based on the movement of the object. The data obtaining unit actively controls an X-ray pulse irradiated based on the movement of the object.