Capsule Endoscope Synchronization Signal Identification
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Solution Overview
Problem
Existing capsule endoscopes face challenges in accurately identifying which imaging unit captured specific images during wireless transmission due to data errors, leading to incomplete or incorrect image reconstruction.
Innovation Solution
The system employs a synchronization signal with a unique signal constellation for each imaging unit, allowing the receiving apparatus to identify which unit captured each scan-line data, ensuring accurate image processing even with transmission errors.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If unique information is attached only to the last scan-line data to identify the imaging unit, then data transmission efficiency is improved, but reliability deteriorates because transmission errors cause the entire image to be regarded as erroneous
Solution Approach 1:
The patent divides the image data transmission into multiple scan-line segments, each with its own synchronization signal containing unique imaging unit information. This segmentation allows the receiving apparatus to identify which imaging unit captured each individual scan-line, preventing total image rejection due to transmission errors in any single segment.
Solution Approach 2:
The patent attaches synchronization signals with unique imaging unit information to each scan-line data before transmission. This preliminary attachment ensures that even if transmission errors occur, the receiving apparatus can still identify the imaging unit for each received scan-line and reconstruct the image correctly without rejecting the entire image.
2Measurement precision
If synchronization signals are attached to every piece of transmitted data, then measurement precision of image source identification is improved, but device complexity increases
Solution Approach 1:
The patent extracts the essential identification information into separate synchronization signals that are attached to each scan-line data. This extraction allows the receiving apparatus to efficiently identify the imaging unit without processing complex embedded information within the entire image data stream.
Solution Approach 2:
The synchronization signal acts as an intermediary carrier that conveys unique imaging unit information to the receiving apparatus. This intermediary structure simplifies the identification process by providing a dedicated, easily detectable signal rather than requiring complex analysis of the image data itself.
Data Source
AI summary
An in-vivo information acquiring system previously sets synchronization signals for each imaging unit which captures an image. In the in-vivo information acquiring system, a capsule endoscope transmits scan-line data of an image to be transmitted using the synchronization signal corresponding to the imaging unit which captures the image to be transmitted, and a receiving apparatus identifies that the received scan-line data forms the image captured by the imaging unit corresponding to the detected synchronization signal by detecting the synchronization signal from received information.