基于OV7962的车载全景摄像头设计

张宝龙; 李丹; 郭艳艳; 郭海成

doi:10.3788/YJYXS20153004.0634

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基于OV7962的车载全景摄像头设计

器件驱动与控制 | 更新时间：2020-08-12

- 基于OV7962的车载全景摄像头设计
- Panoramic camera design for automotive applications based on OV7962
- 液晶与显示 2015年30卷第4期页码：634-640
- 作者机构：
  
  1. 香港科技大学显示技术研究中心, 香港九龙
  2. 天津科技大学电子信息与自动化学院天津,300222
- 作者简介：
- 基金信息：
  
  天津市科技支撑计划资助项目(No.13ZCZDGX03000)()
- DOI：10.3788/YJYXS20153004.0634
  中图分类号： TP212.14
- 收稿日期：2014-10-13，
  
  修回日期：2014-11-17，
  
  纸质出版日期：2015-08-05
- 稿件说明：
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张宝龙, 李丹, 郭艳艳, 郭海成. 基于OV7962的车载全景摄像头设计[J]. 液晶与显示, 2015,30(4): 634-640

ZHANG Bao-long, LI Dan, GUO Yan-yan, KWOK Hoi-sing. Panoramic camera design for automotive applications based on OV7962[J]. , 2015,30(4): 634-640
张宝龙, 李丹, 郭艳艳, 郭海成. 基于OV7962的车载全景摄像头设计[J]. 液晶与显示, 2015,30(4): 634-640 DOI： 10.3788/YJYXS20153004.0634.

ZHANG Bao-long, LI Dan, GUO Yan-yan, KWOK Hoi-sing. Panoramic camera design for automotive applications based on OV7962[J]. , 2015,30(4): 634-640 DOI： 10.3788/YJYXS20153004.0634.

摘要

为了实现车载摄像头的超广角成像

解决倒车影像系统不能全面照顾周围视角的问题

设计了一款超广角车载摄像头。对该摄像头所采用的图像传感器、超广角成像技术、硬件电路设计及接口EMC防护的应用进行研究。根据当前车厂对摄像头的要求选择了基于美国Omnivision公司的CMOS图像传感器OV7962作为成像芯片。采用一种新的凝视型视场全景成像技术鱼眼透镜成像

并通过匹配成像芯片的参数计算出镜头的焦距和分辨率。对摄像头硬件电路的设计及接口电磁兼容性(EMC)防护进行测试和改进。实验结果表明:摄像头可实现210超广角成像

接口EMC防护已通过ISO-7637-2 脉冲5b标准测试。满足了对倒车影像系统全面顾及周围视角的要求

另外该车载全景摄像头还具有成本低、性能稳定、分辨率高、夜视效果好等优势。

Abstract

In order to realize ultra-wide-angle image for automotive camera

an ultra-wide-angle automotive camera is designed to solve comprehensive monitoring perspective issue in reversing image system.Its applied such as image sensor and ultra-wide-angle imaging technique

hardware circuit design and the EMC protection of interface are investigated. We opted for a Omnivision-based CMOS image sensors OV7962 according to the current auto companies' requirements. The lens adoptes the new staring panoramic imaging technologyfish-eye lens imaging and calculating the focal length and resolution of the lens by matching the parameters of image chip. The hardware circuit design and EMC protection of the camera are tested and improved.Experimental results indicate that the camera can achieve 210 ultra-wide-angle image and the EMC protection of interface has passed the ISO-7637-2 pulse 5b testing standard.It can satisfy the comprehensive monitoring around perspective requirements of reversing image system.In addition

this automotive panoramic camera also has the advantages of low cost

stable performance

high resolution

as well as super night vision.

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references

于宝龙. 基于可重构的汽车全景视觉辅助系统的研究与实现 [D].北京:北京交通大学,2014. Yu B L.Research and implementation of the reconfigurable car panoramic vision system [D].Beijing:Beijing Jiaotong University, 2014.(in Chinese)[2] 冷坤,沈星,胡振程. 基于环视系统的车道偏离预警系统研究 [J]. 国外电子测量技术. 2012,31(12): 42-44. Leng K, Shen X, Hu Z C.Research on lane departure warning system based on surround view assistance system [J].Foreign Electronic Measurement Technology, 2012,31(12): 42-44.(in Chinese)[3] 苏宛新. 一种高帧频CMOS图像传感器系统设计 [J]. 液晶与显示, 2013,28(6):956-962. Su W X.Design of high frame frequency CMOS image sensor system [J].Chinese Journal of Liquid Crystals and Displays,2013,28(6): 956-962.(in Chinese)[4] 张贵祥,金光,郑亮亮,等. 高速多通道CCD图像数据处理与传输系统设计 [J]. 液晶与显示, 2011,26(3):397-403. Zhang G X, Jin G, Zheng L L, et al. Desigh of high-speed and multi-channel CCD image data processing and transmission system [J].Chinese Journal of Liquid Crystals and Displays,2011,26(3): 397-403.(in Chinese)[5] 陈圣聪, 林峰. 超短焦全景鱼眼镜头的研究与设计 [J]. 光电工程,2012,39(2):49-52. Chen S C, LIN F.Research and design of super short-focus panoramic fish-eye lens [J].Opto-Electronic Engineering, 2012,39(2): 49-52.(in Chinese)[6] Hughes C,Denny P,Jones E.Accuracy of fish-eye lens models [J]. Applied Optics,2010,49(17):3338-3347.[7] Samavatian V, Radan A. A novel low-ripple interleaved buck-boost converter with high efficiency and low oscillation for fuel-cell applications.Electrical Power and Energy Systems, 2014, 63:446-454.[8] Lee C F, Mok P K T. Monolithic current-mode CMOS DC-DC converter with on-chip current-sensing technique[J].IEEE Journal of Solid State Circuits, 2004, 39(1):3-14.[9] 涂杨. 开关电源的EMC改善 [D].广州:华南理工大学,2012. Tu Y.Research on improving EMC of the power supply [D].Guangzhou:South China University of Technology, 2012.(in Chinese)[10] 余召锋,于颖,徐鸣谦. 国内外汽车电磁兼容研究发展状况 [J]. 客车技术与研究, 2007,(2):8-10. Yu Z F, Yu Y, Xu M Q.Over view on automot ive EMC research at home and abroad [J].Bus & Coach Technology and Research, 2007,2 : 8-10.(in Chinese)[11] Gagern C. EMC Testing of Automotive & MilitarySystem [M].Berlin: Presentation of ROHDE & SCHWA2 RZ,2002.

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