AI Article Synopsis
- Wireless capsule endoscopy (WCE) is an effective method for diagnosing gastrointestinal disorders like colon cancer and bleeding through visual inspection of images by physicians.
- A new on-chip bleeding sensor is proposed to automatically prescreen for bleeding in real-time by analyzing blood's optical properties.
- The study found specific reflection ratios of blood at certain wavelengths and validated the sensor's design using small LEDs and photodiodes, making it a promising addition to WCE devices for quick GI bleeding detection.
Article Abstract
Wireless capsule endoscopy (WCE) has been an effective and safe way to diagnose gastrointestinal (GI) disorders, such as, colon cancers, polyps and bleeding. The detection of bleeding and other anomalies is currently determined through conventional visual inspection of the WCE images by the physicians. An on-chip bleeding sensor is thus required, that can perform an automatic prescreening of the bleeding areas in real-time using blood's optical properties to assist the diagnosis. In this study, a spectrophotometer was initially used to evaluate the chromatic properties of blood. It is found that the reflection ratio pairs of 700 nm to 630 nm and 480 nm to 530 nm provide important statistics to separate blood from non-blood samples. It has been implemented hardware using small LEDs and photodiodes to validate the results. Therefore, the proposed sensor system works as a good candidate to be integrated in a WCE device to detect GI bleeding quickly and in real-time.
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| http://dx.doi.org/10.1109/EMBC44109.2020.9176340 | DOI Listing |
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