Endoscopic 3D-2D Switching via Signal Shift
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Solution Overview
Problem
Current endoscopic systems experience a significant screen non-display time when switching between 3D and 2D pictures, which hampers the efficiency of treatment and diagnosis by temporarily disrupting the visual feedback for surgeons during operations.
Innovation Solution
An endoscopic system that includes an endoscope generating right-eye and left-eye optical images, a mixer section to process and combine these images, and a switch section that allows seamless switching between 3D and 2D modes without screen blackout by using selectors and shift processors to maintain continuous video output.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the format of video signal is switched during operation, then the display can show different picture formats (3D/2D), but the screen turns off temporarily causing loss of visual feedback
Solution Approach 1:
The system performs preliminary format detection and prepares the display apparatus for the upcoming format change before actually switching the video signal format. This advance preparation eliminates the blanking period by ensuring the display is ready to immediately show the new format without turning off the screen.
Solution Approach 2:
The invention maintains continuous visual feedback during format switching by keeping the screen continuously displaying content. Instead of interrupting the display to change formats, the system ensures uninterrupted visual output throughout the format transition process.
2Adaptability or versatility
If the screen turns off during format switching, then the video signal format can be detected and changed, but the efficiency of treatment or diagnosis deteriorates
Solution Approach 1:
The display apparatus detects the incoming video signal format in advance and pre-configures itself for the upcoming format change. This preliminary detection and preparation allows the format switching to occur without interrupting the display, thereby maintaining continuous visual feedback and preventing any loss of treatment or diagnosis efficiency.
Solution Approach 2:
The system continuously provides visual feedback to the surgeon during format switching operations. By maintaining screen display throughout the format transition, the feedback mechanism remains active and uninterrupted, allowing the surgeon to continuously monitor the surgical field without visual interruptions that would reduce efficiency.
3Measurement precision
If polarized glasses are used for 3D picture display, then depth perception is improved, but the positions to stand before the display screen are extremely limited
Solution Approach 1:
The display apparatus is designed to handle multiple video signal formats (both 3D and 2D) and automatically adapt to the incoming format. This multi-functionality allows the system to provide 3D display with depth perception when needed, while also supporting 2D display and various viewing positions, making the system universally adaptable to different surgical scenarios and viewer positions.
Data Source
AI summary
A picture switch is performed to select a right picture and a left picture, a right picture and a right picture, or a left picture and a left picture without changing the kind and format of a video signal before and after a switch of a 2D picture and a 3D picture of an endoscopic system, and a picture shift is performed to horizontally shift the right picture and the left picture, and the pictures are then output to a monitor.