| 基于OV2640的微型胶囊内窥镜系统设计 |
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| 引用本文： | 程,磊,刘,波,徐建省等.基于OV2640的微型胶囊内窥镜系统设计[J].传感器与微系统,2014(2):73-76,79. |
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| 作者姓名： | 程 磊 刘 波 徐建省等 |
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| 作者单位： | [1]武汉科技大学信息科学与工程学院,湖北武汉430081 [2]中国科学院电工研究所,北京100190 |
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| 基金项目： | 国家自然科学基金资助项目（60705035,61075087,61203331,61005065）;冶金工业过程系统科学湖北省重点实验室开放基金重点项目（Z201102）;河南省高等学校控制工程重点学科开放基金资助项目（KG2011-01）;湖北省教育厅科研计划重点资助项目（D20131105）;湖北省自然科学基金重点资助项目（2010CDA005） |
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| 摘 要： | 为了实现消化道疾病的无痛检查,研究并设计了一种基于OV2640的微型胶囊内窥镜无线图像传输系统,该系统由2.4GHz低功耗射频收发芯片nRF24LE1和CMOS图像传感器OV2640构成。分析了图像无线传输的原理与图像压缩技术,介绍了该系统的硬件结构。实验结果表明:该系统可得到清晰的图像,系统运行稳定,功耗低,体内微型胶囊内窥镜直径只有13 mm,为微型胶囊内窥镜的临床诊断提供了一种可行方案。
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| 关 键 词： | 无线胶囊内窥镜 JPEG压缩 OV图像传感器 nRFLE |
Design of micro capsule endoscopy system based on OV2640 |
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| CHENG Lei;LIU Bo;XU Jian-sheng;WU Huai-yu;CHEN Yang.Design of micro capsule endoscopy system based on OV2640[J].Transducer and Microsystem Technology,2014(2):73-76,79. |
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| Authors: | CHENG Lei;LIU Bo;XU Jian-sheng;WU Huai-yu;CHEN Yang |
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| Affiliation: | CHENG Lei;LIU Bo;XU Jian-sheng;WU Huai-yu;CHEN Yang(School of Information Science and Engineering, Wuhan University of Science and Technology, Wuhan 430081, China;Institute of Electrical Engineering, Chinese Academy of Sciences, Beijing 100190, China) |
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| Abstract: | In order to achieve painless check of digestive tract diseases,a kind of micro capsule endoscope wireless image transmission system based on OV2640 is researched and designed.The system is composed of 2.4 GHz RF transceiver chip of nRF24LE1 and CMOS camera sensor of OV2640.The principle of image wireless transmission and image compression technology are analyzed,and hardware structure of this system is introduced.Experimental results show that the system can obtain clear image,the system operates stably and low power consumption,diameter of in vivo microcapsule endoscope is only 13mm,and provide a feasible solution for clinical diagnosis of micro capsule endoscopy. |
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| Keywords: | wireless capsule endoscope JPEG compress OV2640 image sensor nRF24LE1 |
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