4-Camera VGA-resolution capsule endoscope with 80Mb/s body-channel communication transceiver and Sub-cm range capsule localization

2018 IEEE International Solid - State Circuits Conference - (ISSCC) Pub Date : 2018-02-01 DOI:10.1109/ISSCC.2018.8310294

Jaeeun Jang, Jihee Lee, Kyoung-Rog Lee, Jiwon Lee, Minseo Kim, Yongsu Lee, Joonsung Bae, H. Yoo

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引用次数: 23

Abstract

Recently, capsule endoscopes are emerging as an alternative to the cable-attached endoscopes since not only mitigating pain and fear of patients but also acquiring additional information about unexplained lesions for accurate diagnoses. Nevertheless, their applicability has been mainly limited by insufficient viewing angles and image qualities [1]. Especially, a single end-facing camera with VGA resolution images suffers from blurred and blind zone through digestive canal, increasing its overall miss-rate up to 20%, which is fatal in diagnosis [2]. A 4-camera capsule was proposed to support 360°-visual angle [1], however, full 360° images were just stored on a Flash EPROM without wireless image transmission, real-time image viewing and capsule tracking. Full 360° high resolution images with multi-cameras inherently require high data-rate wireless telemetry inside the capsule, but previous wireless capsule endoscopes [3] did not support wireless transmission of panoramic view images because of their limited bandwidth with the coin battery.

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4摄像头vga分辨率胶囊内窥镜，具有80Mb/s体通道通信收发器和亚厘米范围胶囊定位

最近，胶囊内窥镜正在成为电缆内窥镜的替代方案，因为它不仅减轻了患者的疼痛和恐惧，而且还获得了关于无法解释的病变的额外信息，以便准确诊断。然而，其适用性主要受到视角和图像质量不足的限制[1]。特别是VGA分辨率的单端面摄像头，其消化道图像存在模糊盲区，总体漏检率高达20%，在诊断中具有致命的意义[2]。提出了一种支持360°视角的4摄像头胶囊[1]，但全360°图像仅存储在Flash EPROM中，没有无线图像传输、实时图像查看和胶囊跟踪。带有多摄像头的全360°高分辨率图像本身就需要胶囊内部的高数据速率无线遥测，但以往的无线胶囊内窥镜[3]由于硬币电池的带宽有限，不支持全景图像的无线传输。

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2018 IEEE International Solid - State Circuits Conference - (ISSCC)

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