Multi-Panel Detector With Overlapping Markers For Artifact-Free Stitching
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Solution Overview
Problem
Digital radiographic equipment requires lengthy photographing times and additional moving units for stitching images, and existing solutions often result in artifacts due to the inclusion of markers in the final image.
Innovation Solution
A multi-panel detector system with markers between overlapping panels, where the markers are designed to be excluded from the final image, allowing for accurate alignment and stitching without additional moving parts and artifacts.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a single detector panel moves up and down or left and right to capture whole body images, then the photographing time becomes long and an additional driving unit is required, but the stitching precision can be improved
Solution Approach 1:
The detector is divided into multiple panels (first panel, second panel, third panel) that are arranged to overlap in the vertical direction. Each panel captures a portion of the image simultaneously, eliminating the need for sequential movement and reducing photographing time while maintaining stitching precision through the overlapping regions.
2Measurement precision
If a ruler is installed between the patient and the detector panel to increase stitching precision, then the stitching precision is improved, but the ruler appears as an artifact in the image
Solution Approach 1:
Markers are placed in the overlapping regions between adjacent panels to serve as reference points for alignment. These markers enable precise stitching without requiring a ruler to be positioned in front of the patient, thus avoiding the introduction of artifacts into the radiographic image.
3Measurement precision
If markers are placed between panels to enable accurate image matching, then the image stitching accuracy is improved, but the markers may appear as artifacts in the final image
Solution Approach 1:
The markers are strategically positioned only in the overlapping regions between adjacent panels, where they serve as alignment references. By limiting marker placement to these specific local areas rather than across the entire detector surface, the patent minimizes the risk of markers appearing as artifacts in the final stitched image while maintaining matching accuracy.
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
Enables efficient image stitching across multiple panels without the need for additional moving units and eliminates markers from the final image, resulting in accurate and artifact-free radiographic images.
Implementation Method 1
The radiation transmitting part may have higher radiation transmittance than radiation transmittance of a frame portion of the first panel
Data Source
AI summary
Provided are a multi-panel detector including a marker to accurately match images photographed on a plurality of panels, and an imaging system including the same. A detector according to an exemplary embodiment of the present invention includes: a panel unit including a first panel and a second panel disposed while partially overlapping a rear portion of an end of the first panel; at least one marker disposed between a front portion of the first panel and a front portion of the second panel; and a radiation transmitting part formed at an end of the first panel and provided with the marker.