基于变形目镜和OLED的全景周视成像与显示技术

罗杰超; 郭俊达; 米凤文; 裘溯; 顿雄; 金伟其

doi:10.37188/CO.2019-0214

基于变形目镜和OLED的全景周视成像与显示技术

doi: 10.37188/CO.2019-0214

cstr: 32171.14.CO.2019-0214

北京理工大学光电学院光电成像技术与系统教育部重点实验室，北京 100081

基金项目: 国家自然科学基金面上项目（No. 61871034）；微光夜视技术重点实验室基金（No. J20160101）

详细信息

作者简介:
罗杰超（1995—），男，云南保山人，硕士研究生，2017年于北京理工大学获得学士学位，主要从事光电成像技术方面的研究。E-mail：853717524@qq.com

米凤文（1968—），男，吉林长春人，硕士生导师，主要从事微光与红外技术、光电检测技术和仪器方面的研究。E-mail: fwmi@bit.edu.cn

中图分类号: TN27
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出版历程
- 收稿日期: 2019-11-06
- 修回日期: 2019-12-09
- 刊出日期: 2020-08-01

Panoramic peripheral vision imaging and display technology based on a deformation eyepiece and OLED

MOE Key Laboratory of Optoelectronic Imaging Technology and System, Beijing Institute of Technology, Beijing 100081, China

Funds: Supported by Surface Project of National Natural Science Foundation of China (No. 61871034); Key Laboratory of Low-Light Level Night Vision Technology Foundation (No. J20160101)

More Information

Corresponding author: fwmi@bit.edu.cn

摘要

摘要: 在车载、舰载等运动载体或单兵警戒值守等狭窄空间，传统显示方法难以兼顾显示视场与显示分辨率。针对该问题，本文研究了一种基于变形目镜的全景/周视成像技术与系统。系统采用3路低照度摄像机+4 mm焦距镜头，构成150°左右的全景成像视场，基于FPGA处理平台完成全景图像解析、拼接、校正和显示等算法，实现视频图像大视场拼接与1/3缩放实时显示；由OLED微显示器、变形目镜组和大目镜组成的显示系统使视频图像横向扩大3倍，实时显示全景高分辨动态场景图像。实验系统对全景成像显示技术进行了验证，在军用和民用领域具有广泛的应用前景。
- 全景成像与显示 /
- FPGA /
- OLED /
- 变形目镜 /
- 图像拼接
Abstract: In narrow spaces, vehicles, carriers or for single guards on duty, traditional displays have a dilemma wherein it is difficult to balance a display’s field of view and its resolution. This paper studies panoramic/periodic imaging technology and a system based on deformable eyepieces, which is expected to provide a technical solution to effectively solve the above problems. The system uses three low-light cameras with 4 mm focal length lens to form a panoramic imaging field of view of 150°. Panoramic image analysis, stitching, correction, and display are carried out by adopted FPGA processing platform. It also has a real-time zoom display; a display system consisting of OLED micro-displays, an anamorphic eyepiece group and large eyepiece enlarges the video image horizontally by a factor of 3 and displays a panoramic high-resolution dynamic scene image in real time. The experiment verifies the feasibility of a day and night panoramic imaging display. The system has a wide array of possible applications inside and outside of the military.
- panoramic imaging and display /
- FPGA /
- OLED /
- anamorphic eyepiece /
- image stitching

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图 1 全景周视成像与显示系统整体框图

Figure 1. Overall block diagram of panoramic peripheral vision imaging and display system

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图 2 凝视型全景视频图像采集系统

Figure 2. Gaze - type panoramic video image acquisition system

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图 3 OLED微显示器及其RGB像素滤光片阵列

Figure 3. OLED micro-display and its RGB pixel filter array

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图 4 OLED微显示器分辨率扩展示意图

Figure 4. Schematic diagram of resolution expansion of OLED microdisplay

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图 5 变形目镜光学系统整体结构示意图

Figure 5. Schematic diagram of the overall structure of anamorphic eyepiece optical system

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图 6 变形镜的柱面透镜和双胶合透镜

Figure 6. Cylindrical lens and doublet lens of deformable mirror

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图 7 全景图像采集模块

Figure 7. Panoramic image acquisition module

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图 8 双线性插值法原理图

Figure 8. Principle diagram of bilinear interpolation

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图 9 全景视频图像采集与显示实验系统

Figure 9. Experimental system of panoramic video image acquisition and display

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图 10 室内场景的全景图像显示效果

Figure 10. Panoramic image display of indoor scene

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图 11 室外场景的全景图像显示效果图

Figure 11. Panoramic image display of outdoor scene

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