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Content Provider | IET Digital Library |
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Author | Khan, Tareq Shrestha, Ravi Imtiaz, Md. Shamin Wahid, Khan A. |
Abstract | Presented is a new power-efficient colour generation algorithm for wireless capsule endoscopy (WCE) application. In WCE, transmitting colour image data from the human intestine through radio frequency (RF) consumes a huge amount of power. The conventional way is to transmit all R, G and B components of all frames. Using the proposed dictionary-based colour generation scheme, instead of sending all R, G and B frames, first one colour frame is sent followed by a series of grey-scale frames. At the receiver end, the colour information is extracted from the colour frame and then added to colourise the grey-scale frames. After a certain number of grey-scale frames, another colour frame is sent followed by the same number of grey-scale frames. This process is repeated until the end of the video sequence to maintain the colour similarity. As a result, over 50% of RF transmission power can be saved using the proposed scheme, which will eventually lead to a battery life extension of the capsule by 4–7 h. The reproduced colour images have been evaluated both statistically and subjectively by professional gastroenterologists. The algorithm is finally implemented using a WCE prototype and the performance is validated using an ex-vivo trial. |
Starting Page | 52 |
Ending Page | 57 |
Page Count | 6 |
Volume Number | 2 |
e-ISSN | 20533713 |
Issue Number | Issue 2, Apr (2015) |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/htl/2/2 |
Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/htl.2014.0086 |
Journal | Healthcare Technology Letters |
Publisher Date | 2015-02-05 |
Access Restriction | Open |
Rights Holder | © The Institution of Engineering and Technology |
Subject Keyword | Biology And Medical Computing Biomedical Imaging/measurement Biomedical Optical Imaging Colour Image Data Transmission Colour Similarity Colour-reproduction Algorithm Computer Vision And Image Processing Technique Dictionary-based Colour Generation Scheme Endoscopes Gastrointestinal Diagnosis Grey-scale Frames Human Intestine Image Colour Analysis Image Sequence Medical Image Processing Optical And Laser Radiation Optical, Image And Video Signal Processing Patient Diagnostic Method And Instrumentation Variable Video Frame Transmission Video Sequence Video Signal Processing Wireless Capsule Endoscopy |
Content Type | Text |
Resource Type | Article |
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