頁籤選單縮合
題 名 | Transmitting Capsule Endoscope Images with Wireless LAN and Smart Antenna Systems |
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作 者 | Miaou, Shaou-gang; Jeng, Shiann-Shiun; Tsung, Chen-Wan; Hsiao, Chih-Hong; Lin, Tah-Yeong; | 書刊名 | 醫學工程 |
卷 期 | 18:5 民95.10 |
頁 次 | 頁246-254 |
分類號 | 410.1644 |
關鍵詞 | Wireless local area network; Smart antenna; Capsule endoscope image; |
語 文 | 英文(English) |
英文摘要 | Capsule endoscopy gradually replaces traditional endoscopy in some applications and becomes a state-of-the-art tool to detect the problems of intestines. When capsule endoscopy is used, a patient swallows a capsule-like micro-camera. An image sequence is then taken by the capsule endoscope and transmitted to a receiver carried by the patient. Eventually, these image data will be transmitted to a desktop computer and examined by a doctor. To start the diagnosis earlier and avoid limiting the patient's movement, an on-line wireless transmission for this last link is desirable. For this link, WLAN (Wireless Local Area Network) standard is a good candidate due to its high enough data rate and commercial availability. However, wireless links often result in transmission errors that are unacceptable for medical related applications, including medical image transmission. In this paper, we propose a WLAN system with smart antenna to transmit the capsule endoscope images and evaluate its performance. The simulation results demonstrate that utilizing the smart antenna can enhance the error resilient capability of the WLAN over an error prone wireless channel and provides a much reliable data link for the transmission of capsule endoscope images than the original standard. |
本系統中英文摘要資訊取自各篇刊載內容。